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Number of items: 143.

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Article
Christmann, J. ORCID: https://orcid.org/0000-0002-5044-1192, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Khan, S. A. , Kleiner, T. ORCID: https://orcid.org/0000-0001-7825-5765, Müller, R. , Morlighem, M. , Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Rückamp, M. ORCID: https://orcid.org/0000-0003-2512-7238, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Zeising, O. ORCID: https://orcid.org/0000-0002-1284-8098 and Humbert, A. ORCID: https://orcid.org/0000-0002-0244-8760 (2021)
Elastic deformation plays a non-negligible role in Greenland’s outlet glacier flow. ,
Communications Earth & Environment, 2 (232) .
doi:10.1038/s43247-021-00296-3 , hdl:10013/epic.53d3383c-d47e-4e66-93c1-de0932d19922
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Trantow, T. , Herzfeld, U. C. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Nilsson, J. (2021)
Sensitivity of glacier elevation analysis and numerical modeling to CryoSat-2 SIRAL retracking techniques ,
Computers & Geosciences, 146 , p. 104610 .
doi:10.1016/j.cageo.2020.104610 , hdl:10013/epic.77800f91-ebe0-4459-af95-1713876ea3f2

Article
Neckel, N. , Franke, S. , Helm, V. , Drews, R. and Jansen, D. (2021)
Evidence of Cascading Subglacial Water Flow at Jutulstraumen Glacier (Antarctica) Derived From Sentinel‐1 and ICESat‐2 Measurements ,
Geophysical Research Letters, 48 (20) .
doi:https://www.doi.org/10.1029/2021gl094472 , hdl:10013/epic.d0356403-3a8d-4060-b578-0528b076f59a
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Rettelbach, T. , Langer, M. , Nitze, I. , Jones, B. , Helm, V. , Freytag, J. C. and Grosse, G. (2021)
A Quantitative Graph-Based Approach to Monitoring Ice-Wedge Trough Dynamics in Polygonal Permafrost Landscapes ,
Remote Sensing, 13 (16), p. 3098 .
doi:https://www.doi.org/10.3390/rs13163098 , hdl:10013/epic.3e73e654-5bc1-421e-9b87-7d81fa779938
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Franke, S. , Eisermann, H. , Jokat, W. , Eagles, G. , Asseng, J. , Miller, H. , Steinhage, D. , Helm, V. , Eisen, O. and Jansen, D. (2021)
Preserved landscapes underneath the Antarctic Ice Sheet reveal the geomorphological history of Jutulstraumen Basin ,
Earth Surface Processes and Landforms, 46 (13), pp. 2728-2745 .
doi:https://www.doi.org/10.1002/esp.5203 , hdl:10013/epic.4b0d069e-22a4-4f12-a5e3-28829d52b5ca
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Article
Kowalewski, S. , Helm, V. , Morris, E. M. and Eisen, O. (2021)
The regional-scale surface mass balance of Pine Island Glacier, West Antarctica, over the period 2005–2014, derived from airborne radar soundings and neutron probe measurements ,
The Cryosphere, 15 (3), pp. 1285-1305 .
doi:https://www.doi.org/10.5194/tc-15-1285-2021 , hdl:10013/epic.3b37dfd3-6df5-4fef-8d52-ee12ce7b6fa3
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Abdalla, S. , Abdeh Kolahchi, A. , Ablain, M. , Adusumilli, S. , Aich Bhowmick, S. , Alou-Font, E. , Amarouche, L. , Andersen, O. B. , Antich, H. , Aouf, L. , Arbic, B. , Armitage, T. , Arnault, S. , Artana, C. , Aulicino, G. , Ayoub, N. , Badulin, S. , Baker, S. , Banks, C. , Bao, L. , Barbetta, S. , Barceló-Llull, B. , Barlier, F. , Basu, S. , Bauer-Gottwein, P. , Becker, M. , Beckley, B. , Bellefond, N. , Belonenko, T. , Benkiran, M. , Benkouider, T. , Bennartz, R. , Benveniste, J. , Bercher, N. , Berge-Nguyen, M. , Bettencourt, J. , Blarel, F. , Blazquez, A. , Blumstein, D. , Bonnefond, P. , Borde, F. , Bouffard, J. , Boy, F. , Boy, J. P. , Brachet, C. , Brasseur, P. , Braun, A. , Brocca, L. , Brockley, D. , Brodeau, L. , Brown, S. , Bruinsma, S. , Bulczak, A. , Buzzard, S. , Cahill, M. , Calmant, S. , Calzas, M. , Camici, S. , Cancet, M. , Capdeville, H. , Carabajal, C. C. , Carrere, L. , Cazenave, A. , Chassignet, E. P. , Chauhan, P. , Cherchali, S. , Chereskin, T. , Cheymol, C. , Ciani, D. , Cipollini, P. , Cirillo, F. , Cosme, E. , Coss, S. , Cotroneo, Y. , Cotton, D. , Couhert, A. , Coutin-Faye, S. , Crétaux, J. F. , Cyr, F. , d’Ovidio, F. , Darrozes, J. , David, C. , Dayoub, N. , De Staerke, D. , Deng, X. , Desai, S. , Desjonqueres, J. D. , Dettmering, D. , Di Bella, A. , Díaz-Barroso, L. , Dibarboure, G. , Dieng, H. B. , Dinardo, S. , Dobslaw, H. , Dodet, G. , Doglioli, A. , Domeneghetti, A. , Donahue, D. , Dong, S. , Donlon, C. , Dorandeu, J. , Drezen, C. , Drinkwater, M. , Du Penhoat, Y. , Dushaw, B. , Egido, A. , Erofeeva, S. , Escudier, P. , Esselborn, S. , Exertier, P. , Fablet, R. , Falco, C. , Farrell, S. L. , Faugere, Y. , Femenias, P. , Fenoglio, L. , Fernandes, J. , Fernández, J. G. , Ferrage, P. , Ferrari, R. , Fichen, L. , Filippucci, P. , Flampouris, S. , Fleury, S. , Fornari, M. , Forsberg, R. , Frappart, F. , Frery, M. l. , Garcia, P. , Garcia-Mondejar, A. , Gaudelli, J. , Gaultier, L. , Getirana, A. , Gibert, F. , Gil, A. , Gilbert, L. , Gille, S. , Giulicchi, L. , Gómez-Enri, J. , Gómez-Navarro, L. , Gommenginger, C. , Gourdeau, L. , Griffin, D. , Groh, A. , Guerin, A. , Guerrero, R. , Guinle, T. , Gupta, P. , Gutknecht, B. D. , Hamon, M. , Han, G. , Hauser, D. , Helm, V. , Hendricks, S. , Hernandez, F. , Hogg, A. , Horwath, M. , Idžanović, M. , Janssen, P. , Jeansou, E. , Jia, Y. , Jia, Y. , Jiang, L. , Johannessen, J. A. , Kamachi, M. , Karimova, S. , Kelly, K. , Kim, S. Y. , King, R. , Kittel, C. M. , Klein, P. , Klos, A. , Knudsen, P. , Koenig, R. , Kostianoy, A. , Kouraev, A. , Kumar, R. , Labroue, S. , Lago, L. S. , Lambin, J. , Lasson, L. , Laurain, O. , Laxenaire, R. , Lázaro, C. , Le Gac, S. , Le Sommer, J. , Le Traon, P. Y. , Lebedev, S. , Léger, F. , Legresy, B. , Lemoine, F. , Lenain, L. , Leuliette, E. , Levy, M. , Lillibridge, J. , Liu, J. , Llovel, W. , Lyard, F. , Macintosh, C. , Makhoul Varona, E. , Manfredi, C. , Marin, F. , Mason, E. , Massari, C. , Mavrocordatos, C. , Maximenko, N. , McMillan, M. , Medina, T. , Melet, A. , Meloni, M. , Mertikas, S. , Metref, S. , Meyssignac, B. , Minster, J. F. , Moreau, T. , Moreira, D. , Morel, Y. , Morrow, R. , Moyard, J. , Mulet, S. , Naeije, M. , Nerem, R. S. , Ngodock, H. , Nielsen, K. , Nilsen, J. E. Ø. , Niño, F. , Nogueira Loddo, C. , Noûs, C. , Obligis, E. , Otosaka, I. , Otten, M. , Oztunali Ozbahceci, B. , P. Raj, R. , Paiva, R. , Paniagua, G. , Paolo, F. , Paris, A. , Pascual, A. , Passaro, M. , Paul, S. , Pavelsky, T. , Pearson, C. , Penduff, T. , Peng, F. , Perosanz, F. , Picot, N. , Piras, F. , Poggiali, V. , Poirier, É. , Ponce de León, S. , Prants, S. , Prigent, C. , Provost, C. , Pujol, M. I. , Qiu, B. , Quilfen, Y. , Rami, A. , Raney, R. K. , Raynal, M. , Remy, E. , Rémy, F. , Restano, M. , Richardson, A. , Richardson, D. , Ricker, R. , Ricko, M. , Rinne, E. , Rose, S. K. , Rosmorduc, V. , Rudenko, S. , Ruiz, S. , Ryan, B. J. , Salaün, C. , Sanchez-Roman, A. , Sandberg Sørensen, L. , Sandwell, D. , Saraceno, M. , Scagliola, M. , Schaeffer, P. , Scharffenberg, M. G. , Scharroo, R. , Schiller, A. , Schneider, R. , Schwatke, C. , Scozzari, A. , Ser-giacomi, E. , Seyler, F. , Shah, R. , Sharma, R. , Shaw, A. , Shepherd, A. , Shriver, J. , Shum, C. , Simons, W. , Simonsen, S. B. , Slater, T. , Smith, W. , Soares, S. , Sokolovskiy, M. , Soudarin, L. , Spatar, C. , Speich, S. , Srinivasan, M. , Srokosz, M. , Stanev, E. , Staneva, J. , Steunou, N. , Stroeve, J. , Su, B. , Sulistioadi, Y. B. , Swain, D. , Sylvestre-baron, A. , Taburet, N. , Tailleux, R. , Takayama, K. , Tapley, B. , Tarpanelli, A. , Tavernier, G. , Testut, L. , Thakur, P. K. , Thibaut, P. , Thompson, L. , Tintoré, J. , Tison, C. , Tourain, C. , Tournadre, J. , Townsend, B. , Tran, N. , Trilles, S. , Tsamados, M. , Tseng, K. H. , Ubelmann, C. , Uebbing, B. , Vergara, O. , Verron, J. , Vieira, T. , Vignudelli, S. , Vinogradova Shiffer, N. , Visser, P. , Vivier, F. , Volkov, D. , von Schuckmann, K. , Vuglinskii, V. , Vuilleumier, P. , Walter, B. , Wang, J. , Wang, C. , Watson, C. , Wilkin, J. , Willis, J. , Wilson, H. , Woodworth, P. , Yang, K. , Yao, F. , Zaharia, R. , Zakharova, E. , Zaron, E. D. , Zhang, Y. , Zhao, Z. , Zinchenko, V. and Zlotnicki, V. (2021)
Altimetry for the future: Building on 25 years of progress ,
Advances in Space Research, 68 (2), pp. 319-363 .
doi:https://www.doi.org/10.1016/j.asr.2021.01.022 , hdl:10013/epic.112153d4-dca7-42a8-b7a8-ae8298998653

Article
Hofstede, C. , Beyer, S. , Corr, H. , Eisen, O. , Hattermann, T. , Helm, V. , Neckel, N. , Smith, E. C. , Steinhage, D. , Zeising, O. and Humbert, A. (2021)
Evidence for a grounding line fan at the onset of a basal channel under the ice shelf of Support Force Glacier, Antarctica, revealed by reflection seismics ,
The Cryosphere, 15 (3), pp. 1517-1535 .
doi:https://www.doi.org/10.5194/tc-15-1517-2021 , hdl:10013/epic.91e41f86-a04e-4d73-bce6-bccfbe7bdfa5
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Jutila, A. , King, J. , Paden, J. , Ricker, R. , Hendricks, S. , Polashenski, C. , Helm, V. , Binder, T. and Haas, C. (2021)
High-Resolution Snow Depth on Arctic Sea Ice From Low-Altitude Airborne Microwave Radar Data ,
IEEE Transactions on Geoscience and Remote Sensing, 60 (99), pp. 1-16 .
doi:https://www.doi.org/10.1109/tgrs.2021.3063756 , hdl:10013/epic.8b2fce9a-a8a8-4ea1-a158-3178e3174597
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Carlsen, T. , Birnbaum, G. , Ehrlich, A. , Helm, V. , Jäkel, E. , Schäfer, M. and Wendisch, M. (2020)
Parameterizing anisotropic reflectance of snow surfaces from airborne digital camera observations in Antarctica ,
The Cryosphere, 14 (11), pp. 3959-3978 .
doi:https://www.doi.org/10.5194/tc-14-3959-2020 , hdl:10013/epic.ad095254-8b1f-42f6-bf0a-91dd2a87c64c

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Otosaka, I. N. , Shepherd, A. , Casal, T. G. , Coccia, A. , Davidson, M. , Di Bella, A. , Fettweis, X. , Forsberg, R. , Helm, V. , Hogg, A. E. , Hvidegaard, S. M. , Lemos, A. , Macedo, K. , Kuipers Munneke, P. , Parrinello, T. , Simonsen, S. B. , Skourup, H. and Sørensen, L. S. (2020)
Surface Melting Drives Fluctuations in Airborne Radar Penetration in West Central Greenland ,
Geophysical Research Letters, 47 (17), e2020GL088293 .
doi:https://www.doi.org/10.1029/2020gl088293 , hdl:10013/epic.05040821-dd2e-414e-b932-d13a445ac8ca
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Krieger, L. , Strößenreuther, U. , Helm, V. , Floricioiu, D. and Horwath, M. (2020)
Synergistic Use of Single-Pass Interferometry and Radar Altimetry to Measure Mass Loss of NEGIS Outlet Glaciers between 2011 and 2014 ,
Remote Sensing, 12 (6), p. 996 .
doi:https://www.doi.org/10.3390/rs12060996 , hdl:10013/epic.6af8354f-b67b-4675-b759-d03499893584
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Franke, S. , Jansen, D. , Binder, T. , Dörr, N. , Helm, V. , Paden, J. , Steinhage, D. and Eisen, O. (2020)
Bed topography and subglacial landforms in the onset region of the Northeast Greenland Ice Stream ,
Annals of Glaciology, 61 (81), pp. 143-153 .
doi:https://www.doi.org/10.1017/aog.2020.12 , hdl:10013/epic.b1caa2bd-9f06-4fef-8438-f165a2c84e39
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Morlighem, M. , Rignot, E. , Binder, T. , Blankenship, D. , Drews, R. , Eagles, G. , Eisen, O. , Ferraccioli, F. , Forsberg, R. , Fretwell, P. , Goel, V. , Greenbaum, J. S. , Gudmundsson, H. , Guo, J. , Helm, V. , Hofstede, C. , Howat, I. , Humbert, A. , Jokat, W. , Karlsson, N. B. , Lee, W. S. , Matsuoka, K. , Millan, R. , Mouginot, J. , Paden, J. , Pattyn, F. , Roberts, J. , Rosier, S. , Ruppel, A. , Seroussi, H. , Smith, E. C. , Steinhage, D. , Sun, B. , Broeke, M. R. v. d. , Ommen, T. D. v. , Wessem, M. v. and Young, D. A. (2020)
Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet ,
Nature Geoscience, 13 (2), pp. 132-137 .
doi:https://www.doi.org/10.1038/s41561-019-0510-8 , hdl:10013/epic.4e481a2c-cfab-47f1-843a-27ddc0d83ae0
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Meloni, M. , Bouffard, J. , Parrinello, T. , Dawson, G. , Garnier, F. , Helm, V. , Di Bella, A. , Hendricks, S. , Ricker, R. , Webb, E. , Wright, B. , Nielsen, K. , Lee, S. , Passaro, M. , Scagliola, M. , Simonsen, S. B. , Sandberg Sørensen, L. , Brockley, D. , Baker, S. , Fleury, S. , Bamber, J. , Maestri, L. , Skourup, H. , Forsberg, R. and Mizzi, L. (2020)
CryoSat Ice Baseline-D validation and evolutions ,
The Cryosphere, 14 (6), pp. 1889-1907 .
doi:https://www.doi.org/10.5194/tc-14-1889-2020 , hdl:10013/epic.17ae3518-4f03-485c-b4d7-506ab900a023
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Neckel, N. , Zeising, O. , Steinhage, D. , Helm, V. and Humbert, A. (2020)
Seasonal Observations at 79°N Glacier (Greenland) From Remote Sensing and in situ Measurements ,
Frontiers in Earth Science, 8 , 142- .
doi:https://www.doi.org/10.3389/feart.2020.00142 , hdl:10013/epic.99ee180d-a69b-4b0a-92e2-af19767fee8f
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Antonova, S. , Thiel, C. , Höfle, B. , Anders, K. , Helm, V. , Zwieback, S. , Marx, S. and Boike, J. (2019)
Estimating tree height from TanDEM-X data at the northwestern Canadian treeline ,
Remote Sensing of Environment, 231 , p. 111251 .
doi:https://www.doi.org/10.1016/j.rse.2019.111251 , hdl:10013/epic.6478967e-aa02-4a25-ad83-2a554b58b229

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Schröder, L. , Horwath, M. , Dietrich, R. , Helm, V. , van den Broeke, M. R. and Ligtenberg, S. R. (2019)
Four decades of Antarctic surface elevation changes from multi-mission satellite altimetry ,
The Cryosphere, 13 (2), pp. 427-449 .
doi:https://www.doi.org/10.5194/tc-13-427-2019 , hdl:10013/epic.7e15faaf-f259-4575-86b2-5345f9cba9e5
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Rückamp, M. , Neckel, N. , Berger, S. , Humbert, A. and Helm, V. (2019)
Calving Induced Speedup of Petermann Glacier ,
Journal of Geophysical Research: Earth Surface, 124 (1), pp. 216-228 .
doi:https://www.doi.org/10.1029/2018jf004775 , hdl:10013/epic.f4400cbb-57b1-4a23-8a02-fc8a0a4c24b5
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Humbert, A. , Steinhage, D. , Helm, V. , Beyer, S. and Kleiner, T. (2018)
Missing Evidence of Widespread Subglacial Lakes at Recovery Glacier, Antarctica ,
Journal of Geophysical Research: Earth Surface, 123 (11), pp. 2802-2826 .
doi:https://www.doi.org/10.1029/2017jf004591 , hdl:10013/epic.2cfa7ae5-c211-47d2-9a82-f9e136d64478
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Zhang, B. , Zhang, E. , Liu, L. , Khan, S. A. , van Dam, T. , Yao, Y. , Bevis, M. and Helm, V. (2018)
Geodetic measurements reveal short-term changes of glacial mass near Jakobshavn Isbræ (Greenland) from 2007 to 2017 ,
Earth and Planetary Science Letters, 503 , pp. 216-226 .
doi:https://www.doi.org/10.1016/j.epsl.2018.09.029 , hdl:10013/epic.f8a92688-0178-4d94-bc9d-be80308d9a57

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Sandberg Sørensen, L. , Simonsen, S. , Langley, K. , Gray, L. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Nilsson, J. , Stenseng, L. , Skourup, H. , Forsberg, R. and Davidson, M. (2018)
Validation of CryoSat-2 SARIn Data over Austfonna Ice Cap Using Airborne Laser Scanner Measurements ,
Remote Sensing, 10 (9), p. 1354 .
doi:10.3390/rs10091354 , hdl:10013/epic.c8e347b9-8135-42bb-83ab-c3a13dd4822f
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The IMBIE team, Shepherd, A. , Sasgen, I. ORCID: https://orcid.org/0000-0002-8993-0989 and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2018)
Mass balance of the Antarctic Ice Sheet from 1992 to 2017 ,
Nature, 558 (7709), pp. 219-222 .
doi:10.1038/s41586-018-0179-y , hdl:10013/epic.7f0d293c-6cf4-4659-827e-d2a3b39aebfb

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Shepherd, A. , Ivins, E. , Rignot, E. , Smith, B. , van den Broeke, M. , Velicogna, I. , Whitehouse, P. , Briggs, K. , Joughin, I. , Krinner, G. , Nowicki, S. , Payne, T. , Scambos, T. , Schlegel, N. , A, G. , Agosta, C. , Ahlstrøm, A. , Babonis, G. , Barletta, V. , Blazquez, A. , Bonin, J. , Csatho, B. , Cullather, R. , Felikson, D. , Fettweis, X. , Forsberg, R. , Gallee, H. , Gardner, A. , Gilbert, L. , Groh, A. , Gunter, B. , Hanna, E. , Harig, C. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Horvath, A. , Horwath, M. , Khan, S. , Kjeldsen, K. K. , Konrad, H. , Langen, P. , Lecavalier, B. , Loomis, B. , Luthcke, S. , McMillan, M. , Melini, D. , Mernild, S. , Mohajerani, Y. , Moore, P. , Mouginot, J. , Moyano, G. , Muir, A. , Nagler, T. , Nield, G. , Nilsson, J. , Noel, B. , Otosaka, I. , Pattle, M. E. , Peltier, W. R. , Pie, N. , Rietbroek, R. , Rott, H. , Sandberg-Sørensen, L. , Sasgen, I. ORCID: https://orcid.org/0000-0002-8993-0989, Save, H. , Scheuchl, B. , Schrama, E. , Schröder, L. ORCID: https://orcid.org/0000-0002-6862-0930, Seo, K. W. , Simonsen, S. , Slater, T. , Spada, G. , Sutterley, T. , Talpe, M. , Tarasov, L. , van de Berg, W. J. , van der Wal, W. , van Wessem, M. , Vishwakarma, B. D. , Wiese, D. , Wouters, B. and The IMBIE team, T. I. t. (2018)
Mass balance of the Antarctic Ice Sheet from 1992 to 2017 ,
Nature, 558 (7709), pp. 219-222 .
doi:10.1038/s41586-018-0179-y , hdl:10013/epic.58ba5281-747b-44e4-9497-77af46fa3069

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King, J. , Skourup, H. , Hvidegaard, S. M. , Rösel, A. , Gerland, S. , Spreen, G. , Polashenski, C. , Helm, V. and Liston, G. E. (2018)
Comparison of Freeboard Retrieval and Ice Thickness Calculation From ALS, ASIRAS, and CryoSat-2 in the Norwegian Arctic to Field Measurements Made During the N-ICE2015 Expedition ,
Journal of Geophysical Research: Oceans, 123 (2), pp. 1123-1141 .
doi:https://www.doi.org/10.1002/2017jc013233 , hdl:10013/epic.833f804b-dfe8-4605-84d6-aedc6bfca636

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Karlsson, N. B. , Binder, T. , Eagles, G. , Helm, V. , Pattyn, F. , Van Liefferinge, B. and Eisen, O. (2018)
Glaciological characteristics in the Dome Fuji region and new assessment for “Oldest Ice” ,
The Cryosphere, 12 (7), pp. 2413-2424 .
doi:https://www.doi.org/10.5194/tc-12-2413-2018 , hdl:10013/epic.c347a7b3-cc66-431d-a41a-4494e50a0baf
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Kjær, K. H. , Larsen, N. K. , Binder, T. , Bjørk, A. A. , Eisen, O. , Fahnestock, M. A. , Funder, S. , Garde, A. A. , Haack, H. , Helm, V. , Houmark-Nielsen, M. , Kjeldsen, K. K. , Khan, S. A. , Machguth, H. , McDonald, I. , Morlighem, M. , Mouginot, J. , Paden, J. D. , Waight, T. E. , Weikusat, C. , Willerslev, E. and MacGregor, J. A. (2018)
A large impact crater beneath Hiawatha Glacier in northwest Greenland ,
Science Advances, 4 (11), eaar8173- .
doi:https://www.doi.org/10.1126/sciadv.aar8173 , hdl:10013/epic.df3645ba-80d7-477b-ba57-1df014f8de5f
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Article
Berger, S. , Drews, R. , Helm, V. , Sun, S. and Pattyn, F. (2017)
Detecting high spatial variability of ice shelf basal mass balance, Roi Baudouin Ice Shelf, Antarctica ,
The Cryosphere, 11 (6), pp. 2675-2690 .
doi:https://www.doi.org/10.5194/tc-11-2675-2017 , hdl:10013/epic.c484abdf-a73b-4707-80cf-acc88cad573f
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Article
Obu, J. , Lantuit, H. , Grosse, G. , Günther, F. , Sachs, T. , Helm, V. and Fritz, M. (2017)
Coastal erosion and mass wasting along the Canadian Beaufort Sea based on annual airborne LiDAR elevation data ,
Geomorphology, 293 , pp. 331-346 .
doi:https://www.doi.org/10.1016/j.geomorph.2016.02.014 , hdl:10013/epic.47349
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Article
Overly, T. B. , Hawley, R. L. , Helm, V. , Morris, E. M. and Chaudhary, R. N. (2016)
Greenland annual accumulation along the EGIG line, 1959–2004, from ASIRAS airborne radar and neutron-probe density measurements ,
The Cryosphere, 10 (4), pp. 1679-1694 .
doi:https://www.doi.org/10.5194/tc-10-1679-2016 , hdl:10013/epic.48374
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Article
Schwegmann, S. , Rinne, E. , Ricker, R. , Hendricks, S. and Helm, V. (2016)
About the consistency between Envisat and CryoSat-2 radar freeboard retrieval over Antarctic sea ice ,
The Cryosphere, 10 (4), pp. 1415-1425 .
doi:https://www.doi.org/10.5194/tc-10-1415-2016 , hdl:10013/epic.48202
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Article
Martín‐Español, A. , Zammit‐Mangion, A. , Clarke, P. J. , Flament, T. , Helm, V. , King, M. A. , Luthcke, S. B. , Petrie, E. , Rémy, F. , Schön, N. , Wouters, B. and Bamber, J. L. (2016)
Spatial and temporal Antarctic Ice Sheet mass trends, glacio‐isostatic adjustment, and surface processes from a joint inversion of satellite altimeter, gravity, and GPS data ,
Journal of Geophysical Research: Earth Surface, 121 (2), pp. 182-200 .
doi:https://www.doi.org/10.1002/2015jf003550 , hdl:10013/epic.48375
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Article
Khan, S. A. , Sasgen, I. , Bevis, M. , van Dam, T. , Bamber, J. L. , Wahr, J. , Willis, M. , Kjær, K. H. , Wouters, B. , Helm, V. , Csatho, B. , Fleming, K. , Bjørk, A. A. , Aschwanden, A. , Knudsen, P. and Munneke, P. K. (2016)
Geodetic measurements reveal similarities between post–Last Glacial Maximum and present-day mass loss from the Greenland ice sheet ,
Science Advances, 2 (9), e1600931- .
doi:https://www.doi.org/10.1126/sciadv.1600931 , hdl:10013/epic.48881
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Article
Radosavljevic, B. , Lantuit, H. , Pollard, W. , Overduin, P. , Couture, N. , Sachs, T. , Helm, V. and Fritz, M. (2015)
Erosion and Flooding—Threats to Coastal Infrastructure in the Arctic: A Case Study from Herschel Island, Yukon Territory, Canada ,
Estuaries and Coasts, 39 (4), pp. 900-915 .
doi:https://www.doi.org/10.1007/s12237-015-0046-0 , hdl:10013/epic.46279
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Article
Seehaus, T. , Marinsek, S. , Helm, V. , Skvarca, P. and Braun, M. (2015)
Changes in ice dynamics, elevation and mass discharge of Dinsmoor–Bombardier–Edgeworth glacier system, Antarctic Peninsula ,
Earth and Planetary Science Letters, 427 , pp. 125-135 .
doi:https://www.doi.org/10.1016/j.epsl.2015.06.047 , hdl:10013/epic.46032

Article
Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Perovich, D. K. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Gerdes, R. (2015)
Impact of snow accumulation on CryoSat-2 range retrievals over Arctic sea ice: An observational approach with buoy data ,
Geophysical Research Letters .
doi:10.1002/2015GL064081 , hdl:10013/epic.45726
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Article
Ricker, R. , Hendricks, S. , Perovich, D. K. , Helm, V. and Gerdes, R. (2015)
Impact of snow accumulation on CryoSat‐2 range retrievals over Arctic sea ice: An observational approach with buoy data ,
Geophysical Research Letters, 42 (11), pp. 4447-4455 .
doi:https://www.doi.org/10.1002/2015gl064081 , hdl:10013/epic.46821

Article
Humbert, A. , Steinhage, D. , Helm, V. , Hoerz, S. , Berendt, J. , Leipprand, E. , Christmann, J. ORCID: https://orcid.org/0000-0002-5044-1192, Plate, C. and Müller, R. (2015)
On the link between surface and basal structures of the Jelbart Ice Shelf, Antarctica ,
Journal of Glaciology, 61 (229), pp. 975-986 .
doi:https://www.doi.org/10.3189/2015jog15j023 , hdl:10013/epic.46208

Article
Hawley, R. L. , Brandt, O. , Dunse, T. , Hagen, J. O. , Helm, V. , Kohler, J. , Langley, K. , Malnes, E. and Høgda, K. A. (2013)
Using airborne Ku-band altimeter waveforms to investigate winter accumulation and glacier facies on Austfonna, Svalbard ,
Journal of Glaciology, 59 (217), pp. 893-899 .
doi:https://www.doi.org/10.3189/2013jog13j051 , hdl:10013/epic.42037

Article
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Drews, R. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488 (2011)
Validierung von CryoSat-2 Datenprodukten – Genauigkeit und Eindringverhalten ,
Rundtischgespräch: Georadar - Erfahrungen und Perspektiven, Freiberg . 6. + 7. Okt. 2011, Mitteilungen Sonderband I/2011 .
hdl:10013/epic.39265
[thumbnail of rtg9_AWI_vhelm_2011_rdrews_dst.pdf]
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Article
Willatt, R. , Laxon, S. , Giles, K. , Cullen, R. , Haas, C. and Helm, V. (2011)
Ku-band radar penetration into snow cover on Arctic sea ice using airborne data ,
Annals of Glaciology, 52 (57), pp. 197-205 .
doi:https://www.doi.org/10.3189/172756411795931589 , hdl:10013/epic.37028
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Article
Hvidegaard, S. M. , Forsberg, R. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Skourup, H. , Stenseng, L. , Hanson, S. and Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 (2009)
CRYOVEX 2008 - Final Report ,
DTU Space, Technical Report 2/2009. .
hdl:10013/epic.35790
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Article
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Dietrich, R. and Rülke, A. (2009)
CryoVEx08/09-Antarctica Data Acquisition and Final Processing Report ,
Alfred Wegener Institute, Bremerhaven, Germany. .
hdl:10013/epic.35779
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Article
Dunse, T. , Eisen, O. , Helm, V. , Rack, W. , Steinhage, D. and Parry, V. (2008)
Characteristics and small-scale variability of GPR signals and their relation to snow accumulation in Greenland’s percolation zone ,
Journal of Glaciology, 54 (185), pp. 333-342 .
doi:https://www.doi.org/10.3189/002214308784886207 , hdl:10013/epic.31451

Article
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2008)
CryoVEx 2007 - Data Acquisition and Final Processing Report ,
Alfred Wegener Institute, Bremerhaven, Germany. .
hdl:10013/epic.35791
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Article
Stenseng, L. , Hvidegaard, S. M. , Skourup, H. , Forsberg, R. , Andersen, C. J. , Hanson, S. , Cullen, R. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2007)
Airborne Lidar and Radar Measurements In and Around Greenland CryoVEx 2006 ,
Danish National Space Center Technical Report 9 .
hdl:10013/epic.33645
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Article
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Göbell, S. , Rack, W. , Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500, Nixdorf, U. and Boebel, T. (2006)
CryoVEx 2004 and 2005 (BoB) data acquisition and final report ,
Alfred Wegener Institute, Bremerhaven, Germany. .
hdl:10013/epic.34417
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Article
Jokat, W. ORCID: https://orcid.org/0000-0002-7793-5854, Berger, D. , Bohlmann, H. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hensch, M. , Jousselin, D. , Klein, C. , Lensch, N. , Liersch, P. , Martens, H. , Medow, A. , Micksch, U. , Rabenstein, L. , Rogenhagen, J. , Salat, C. , Schmidt-Aursch, M. C. ORCID: https://orcid.org/0000-0002-2393-4514 and Schwenk, A. (2004)
Marine Geophysics, The Expedition ARKTIS XIX/4 of the Research Vessel POLARSTERN in 2003, Reports of Legs 4a and 4b ,
Berichte zur Polar- und Meeresforschung, 475 , pp. 11-37 .
hdl:10013/epic.21300

Article
Jokat, W. ORCID: https://orcid.org/0000-0002-7793-5854, Berger, D. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Kunsch, B. , Lensch, N. , Martens, H. , Rogenhagen, J. , Salat, C. , Schmidt-Aursch, M. C. ORCID: https://orcid.org/0000-0002-2393-4514, Schubert, B. , Traub, B. and Wollny, K. (2003)
Geophysical investigations ,
Die Expedition ARKTIS XVIII/2 mit FS Polarstern, 2002, Berichte zur Polarforschung, 449 , pp. 8-32 .
hdl:10013/epic.19662

Inbook

Inbook
Ricker, R. , Hendricks, S. , Helm, V. and Gerdes, R. (2015)
Classification of CryoSat-2 Radar Echoes / Lohmann, G. ORCID: https://orcid.org/0000-0003-2089-733X, Meggers, H. , Unnithan, V. , Wolf-Gladrow, D. ORCID: https://orcid.org/0000-0001-9531-8668, Notholt, J. and Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517 (editors) ,
In: Towards an Interdisciplinary Approach in Earth System Science, (Springer Earth System Sciences), Heidelberg [u.a.], Springer International Publishing, 251 p., ISBN: 9783319138640 .
doi:https://www.doi.org/10.1007/978-3-319-13865-7_17 , hdl:10013/epic.45046
[thumbnail of rricker_v3.pdf]
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Thesis

Thesis -PhD
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2008)
Airborne SAR / Interferometric Radar Altimeter System (ASIRAS) - Kalibrierung, Validierung und Interpretation der Messergebnisse ,
PhD thesis, Universittät Bremen.
hdl:10013/epic.33643
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Thesis -Diplom
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2003)
Die Struktur des Kontinentalrandes im Gebiet des Larsenschelfes, Antarktische Halbinsel ,
Diplom thesis, Technische Universität Bergakademie Freiberg.
hdl:10013/epic.28534
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Conference

Conference -Poster
Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Beyer, S. ORCID: https://orcid.org/0000-0002-3731-0278, Binder, T. , Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Dörr, N. ORCID: https://orcid.org/0000-0002-7594-7886, Paden, J. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2020)
Ice flow and the conditions of the ice-bed interface at the onset of the Northeast Greenland Ice Stream ,
AGU Fall Meeting 2020 - Online Everywhere, Online, 1 December 2020 - 17 December 2020 .
hdl:10013/epic.e28176e6-d09b-4413-8e33-bb41e4011e10
[thumbnail of agu_2020_fall_iposter.pdf]
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Conference -Talk
Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Westhoff, J. , Bons, P. D. , Weikusat, I. ORCID: https://orcid.org/0000-0002-3023-6036, Binder, T. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X and Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820 (2020)
Folded ice stratigraphy in North East Greenland: A three dimensional structural analysis ,
ESA - 2020 European Polar Science Week, Virtual Event, 26 October 2020 - 30 October 2020 .
hdl:10013/epic.79970606-2e4d-4b7a-b1ad-3a5c401b512c
[thumbnail of 2020_10_29_ESA.pdf]
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Conference -Talk
Koch, I. , Drews, R. , Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Schannwell, C. , Visnjevic, V. , Streng, K. , Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Pattyn, F. (2020)
Ice shelf internal reflection horizons reveal past dynamics and oceanic melt ,
FRISP 2020 - 34th Forum for Research into Ice Shelf Processes, Online, 16 June 2020 - 25 June 2020 .
hdl:10013/epic.83c07012-a04c-41e9-999b-82da018d2d4e

Conference -Talk
Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Binder, T. , Bons, P. D. , Dahl-Jensen, D. , Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Miller, H. , Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Paden, J. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Weikusat, I. ORCID: https://orcid.org/0000-0002-3023-6036 (2020)
3D-Structure ofNEGIS shearmarginsfromradarstratigraphy ,
EGU General Assembly 2020 | Sharing Geoscience Online, 4 May 2020 - 8 May 2020 .
doi:10.5194/egusphere-egu2020-20424 , hdl:10013/epic.9dcf69cd-603d-45c2-a334-209ba405b392
[thumbnail of EGU2020-20424_presentation.pdf]
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Conference -Poster
Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Miller, H. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Dahl-Jensen, D. , Jie, Y. , O'Neill, C. and Gogineni, P. (2020)
Deformation structures at the margins of ice streams ,
80. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, München, Germany, 23 March 2020 - March 2020 .
hdl:10013/epic.7dcb8abc-41bd-483a-8fe3-2aacb17af03e
[thumbnail of DGG.pdf]
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Conference -Poster
Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Miller, H. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Dahl-Jensen, D. , Jie, Y. , O'Neill, C. and Gogineni, P. (2020)
An ice stream margin as seen with high resolution radar ,
IASC Workshop on the Dynamics; Mass Budget of Arctic Glaciers & the ASC Network on Arctic Glaciology Annual Meeting, 28 January 2020 - 30 January 2020 .
hdl:10013/epic.8b7f5ced-1ea3-4bc6-9108-aaa09d717107
[thumbnail of Obergurgl_final.pdf]
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Conference -Talk
Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Binder, T. , Dörr, N. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Paden, J. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2019)
Bedrock Topography and Subglacial Landforms of the North East Greenland Ice Stream ,
EastGRIP Steering Committee Meeting, Copenhagen, Denmark., Copenhagen, Denmark, November 2019 - unspecified .
hdl:10013/epic.7abf3e41-342e-4b9d-9453-2c8b59235881
[thumbnail of EGRIP_SC_2019_NEGIS_Bedrock_Steven_Franke.pdf]
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Conference -Talk
Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Binder, T. , Drews, R. , Dörr, N. , Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Humbert, A. , Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Paden, J. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Yan, S. and Miller, H. (2019)
AWI’s airborne Ultra-Wideband Radar for sounding and imaging of ice sheets and shelves ,
IGS Symposium Five Decades of Radioglaciology, Stanford, California, USA, 8 July 2019 - 12 July 2019 .
hdl:10013/epic.74d32b03-de27-4eb4-a069-9c1f4a75bb54

Conference -Keynote
MacGregor, J. , Fahnestock, M. , Binder, T. , Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Kjaer, K. , Larsen, N. , Morlighem, M. and Paden, J. (2019)
The ultrawideband airborne radar survey of Hiawatha Glacier and its implications for future investigations of ice-sheet margins ,
IGS Symposium Five Decades of Radioglaciology, Stanford, California, USA, 8 July 2019 - 12 July 2019 .
hdl:10013/epic.e22b3fc3-23c9-415b-9ba9-0810ce2cd696

Conference -Poster
Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Binder, T. , Dörr, N. , John, P. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2019)
Ice Thickness and Bed Conditions of the North East Greenland Ice Stream ,
IGS 2019 Five Decades of Radioglaciology, Stanford, California, USA, July 2019 - unspecified .
hdl:10013/epic.fafc8490-bd3d-4204-8e74-aae22519ceb4
[thumbnail of IGS_Radioglaciology_2019_Stanford_StevenFranke.pdf]
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Conference -Talk
Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Binder, T. , Bons, P. D. , Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Miller, H. and Paden, J. (2019)
Signature of NEGIS shear margins in radar stratigraphy ,
IGS Symposium Five Decades of Radioglaciology, Stanford, USA, 8 July 2019 - 12 July 2019 .
hdl:10013/epic.d35f8a2d-62af-4329-a04d-416e9cc2d228

Conference -Talk
Nitze, I. ORCID: https://orcid.org/0000-0002-1165-6852, Grosse, G. ORCID: https://orcid.org/0000-0001-5895-2141, Boike, J. ORCID: https://orcid.org/0000-0002-5875-2112, Langer, M. ORCID: https://orcid.org/0000-0002-2704-3655, Lantuit, H. ORCID: https://orcid.org/0000-0003-1497-6760, Lange, S. ORCID: https://orcid.org/0000-0002-9398-1041, Grünberg, I. ORCID: https://orcid.org/0000-0002-5748-8102, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Sachs, T. , Hartmann, J. , Kumar, A. , Brauchle, J. , Bucher, T. , Gessner, M. and Kohnert, K. (2019)
Airborne LiDAR and stereo-photogrammetric characterization of permafrost landscapes and thaw subsidence ,
4th Helmholtz Data Science Symposium, Helmholtz Zentrum Geesthacht, Germany, 20 June 2019 - 21 June 2019 .
hdl:10013/epic.d4a469c3-f249-4018-aa67-eb485759bb3f
[thumbnail of INitze_4thDataScienceSymposium_2019_Geesthacht.pdf]
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Conference -Poster
Matsuoka, K. , Van Liefferinge, B. , Binder, T. , Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Karlsson, N. , Pattyn, F. and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2019)
Bed diagnosis in the Dome Fuji region, East Antarctica, using airborneradar data and englacial attenuation estimates ,
EGU General Assembly, Vienna, 7 April 2019 - 12 April 2019 .
hdl:10013/epic.d440bb01-0132-4e98-9a0e-24b0446da2ed
[thumbnail of EGU2019-11263-1.pdf]
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Conference -Poster
Berger, S. ORCID: https://orcid.org/0000-0003-4095-9323, Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Dörr, N. , Drews, R. , Pattyn, F. and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2019)
Detecting and monitoring ice-shelf basal mass balance in Dronning Maud Land, East Antarctica ,
EGU General Assembly, Vienna, 7 April 2019 - 12 April 2019 .
hdl:10013/epic.145178fb-0220-4f24-a161-edd946290906
[thumbnail of EGU2019-2769-2.pdf]
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Conference -Talk
Sobiech-Wolf, J. , Ullmann, T. , Kunz, J. , Kneisel, C. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Helm, V. , Hartmann, J. , Baumhauer, R. and Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X (2019)
Detektion der Auftauschicht in Permafrostgebieten mittels flugzeuggestütztem GPR ,
79. Jahrestagung DGG, Braunschweig, 4 March 2019 - 7 March 2019 .
hdl:10013/epic.4e49867a-7a43-4419-8ea4-fb258da0e02c

Conference -Talk
Grosse, G. ORCID: https://orcid.org/0000-0001-5895-2141, Boike, J. ORCID: https://orcid.org/0000-0002-5875-2112, Lantuit, H. ORCID: https://orcid.org/0000-0003-1497-6760, Günther, F. ORCID: https://orcid.org/0000-0001-8298-8937, Heim, B. ORCID: https://orcid.org/0000-0003-2614-9391, Langer, M. ORCID: https://orcid.org/0000-0002-2704-3655, Nitze, I. ORCID: https://orcid.org/0000-0002-1165-6852, Antonova, S. ORCID: https://orcid.org/0000-0002-5310-786X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Sachs, T. (2019)
Airborne Remote Sensing of Permafrost Landscape Dynamics ,
AWI Kolloqium, Bremerhaven, 13 February 2019 - 13 February 2019 .
hdl:10013/epic.881abe87-1da1-4fbf-ba02-8c230a429b18
[thumbnail of Grosse_et_al_2019-03_AirborneRSPermafrost.pdf]
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Conference -Community Service
Pfeiffenberger, H. ORCID: https://orcid.org/0000-0002-4081-9956, Frickenhaus, S. ORCID: https://orcid.org/0000-0002-0356-9791, Nerger, L. ORCID: https://orcid.org/0000-0002-1908-1010, Piepenburg, D. ORCID: https://orcid.org/0000-0003-3977-2860, Niehoff, B. , Lange, S. ORCID: https://orcid.org/0000-0002-9398-1041, Behrendt, A. ORCID: https://orcid.org/0000-0001-5746-1631, Pfalz, G. ORCID: https://orcid.org/0000-0003-1218-177X, Koppe, R. ORCID: https://orcid.org/0000-0002-2826-3932, Fischer, P. ORCID: https://orcid.org/0000-0002-3357-5420, Mieruch-Schnülle, S. ORCID: https://orcid.org/0000-0003-1150-221X, Wittig, R. , Leefmann, T. , Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Buttigieg, P. L. ORCID: https://orcid.org/0000-0002-4366-3088, Klockmann, M. , Emeis, K. C. , Rath, W. and Wölfl, A. C. (2018)
Second Data Science Symposium at AWI ,
Second Data Science Symposium, Bremerhaven, Auditorium Nordseemuseum, 6 December 2018 - 6 December 2018 .
hdl:10013/epic.f2362c6e-2c6c-4962-a1f6-dd7a9d6f2eb0
[thumbnail of Second_Datascience_Symposium_AWI.pdf]
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Conference -Talk
Franke, S. ORCID: https://orcid.org/0000-0001-8462-4379, Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Binder, T. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Paden, J. , Weikusat, I. ORCID: https://orcid.org/0000-0002-3023-6036 and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2018)
First results of the AWI-Polar 6 airborne radio echo sounding survey around EGRIP drill site ,
Eastgrip Steering Committee Meeting 2018, Copenhagen, Denmark, 12 November 2018 - 16 November 2018 .
hdl:10013/epic.75158506-3dfc-446c-a15f-4a1cabb57d60
[thumbnail of EGRIP_Steering_Committee_2019_StevenFranke__FirstResultsOfTheAWI-Polar6AirborneRadioEchoSoundingSurveyAroundEGRIPDrillSite_compressed.pdf]
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Conference -Poster
Antonova, S. , Höfle, B. , Thiel, C. , Marx, S. , Anders, K. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Boike, J. ORCID: https://orcid.org/0000-0002-5875-2112 (2018)
Estimation of forest properties in a treeline zone using TanDEM-X and airborne laser scanning data ,
5th European Conference on Permafrost (EUCOP 2018), Chamonix, France, 23 June 2018 - 1 July 2018 .
hdl:10013/epic.abf71925-2556-47b4-bf56-cf74a08a0fb2

Conference -Talk
Berger, S. ORCID: https://orcid.org/0000-0003-4095-9323, Drews, R. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Sun, S. , Pattyn, F. and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2018)
Detecting high spatial variability of ice-shelf basal mass balance ,
EGU General Assembly, Vienna, 8 April 2018 - 13 April 2018 .
hdl:10013/epic.8d47965b-495c-4400-8c71-4ef6174c040d
[thumbnail of EGU2018-2072-1.pdf]
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Conference -Talk
Karlsson, N. B. , Binder, T. , Eagles, G. ORCID: https://orcid.org/0000-0001-5325-0810, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Pattyn, F. , Van Liefferinge, B. and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2018)
Glaciological characteristics in the Dome Fuji region and new assessment for 1.5 Ma old ice ,
EGU General Assembly, Vienna, 8 April 2018 - 13 April 2018 .
hdl:10013/epic.3a9106cd-a83e-435f-9b6a-c2a894f53a38
[thumbnail of EGU2018-8372.pdf]
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Conference -Invited talk
Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Binder, T. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Humbert, A. , Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Miller, H. (2017)
Peering into ice sheets: the use of AWI’s new radar magnifying glass ,
Kolloquium DLR Institut für Hochfrequenztechnik und Radarsysteme .
hdl:10013/epic.2a4ce64f-4f0f-4792-aa4e-983bc3f5697c

Conference -Poster
Antonova, S. , Anders, K. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Höfle, B. , Marx, S. and Boike, J. ORCID: https://orcid.org/0000-0002-5875-2112 (2017)
Bistatic coherence from CoSSC TanDEM-X data for tree height estimation in the Canadian Subarctic ,
5th HGF Alliance “Remote Sensing and Earth System Dynamics” Week, 26 June 2017 - 30 June 2017 .
hdl:10013/epic.51387
[thumbnail of Alliance_week_2017.pdf]
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Conference -Talk
Drews, R. , Mayer, C. , Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Ehlers, T. , Pattyn, F. , Berger, S. ORCID: https://orcid.org/0000-0003-4095-9323, Favier, L. , Hewitt, I. H. , Ng, F. , Fürst, J. , Gillet-Chaulet, F. , Bergeot, N. and Matsuoka, K. (2017)
Fun at Antarctic grounding lines: Ice-shelf channels and sediment transport ,
EGU General Assembly, Vienna, 23 April 2017 - 28 April 2017 .
hdl:10013/epic.7f3243c8-40b5-4436-81e4-48df805f2ba5
[thumbnail of EGU2017-12173.pdf]
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Conference -Poster
Radosavljevic, B. ORCID: https://orcid.org/0000-0001-6095-9078, Lantuit, H. ORCID: https://orcid.org/0000-0003-1497-6760, Pollard, W. , Overduin, P. ORCID: https://orcid.org/0000-0001-9849-4712, Couture, N. J. , Sachs, T. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Fritz, M. ORCID: https://orcid.org/0000-0003-4591-7325 (2016)
Threats to Coastal Infrastructure from Erosion and Flooding: A Case Study from Herschel Island, Yukon Territory, Canada ,
11th International Conference on Permafrost, Potsdam, Germany, 20 June 2016 - 24 June 2016 .
hdl:10013/epic.48146
[thumbnail of 2016_Radosavljevic_ICOP.pdf]
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Conference -Talk
Wouters, B. , Bamber, J. , Ligtenberg, S. , Kuipers-Munneke, P. , van den Broeke, M. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Hurkmans, R. T. W. L. (2016)
A 15 year continuous time series of mass trends for the Greenland ice sheet from satellite altimetry ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48370

Conference -Talk
Sandberg Sørensen, L. , Baker, S. , Csatho, B. , Forsberg, R. , Gourmelen, N. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Langley, K. , Martinez, B. , Nienow, P. , Schrama, E. , Shepherd, A. , Davidson, M. and Simonsen, S. B. (2016)
CryoSat Land Ice Product Validation within the CryoVal-LI project ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48364

Conference -Talk
Knöfel, C. , Scheinert, M. , Schröder, L. , Strößenreuther, U. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Horwath, M. (2016)
CryoSat-2 calibration/validation in Antarctica: Quantifying uncertainties utilising different satellite, airborne and ground-based techniques ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48363

Conference -Poster
Seehaus, T. , Marinsek, S. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Skvarca, P. , Seco, J. and Braun, M. (2016)
Observation of Changes in Ice Dynamics at the northern Antarctic Peninsula ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48367

Conference -Poster
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Humbert, A. (2016)
Recent ice-volume and mass change of Greenland and Antarctica by CryoSat-2 altimetry ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48368

Conference -Poster
Konrad, H. , Hogg, A. , Morris, L. , Smith, A. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Mulvany, R. , Gurney, R. J. and Shepherd, A. (2016)
Stratigraphy and surface accumulation variations on Pine Island Glacier, West Antarctica, from airborne, ground-based and satellite observations ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48366

Conference -Poster
Hogg, A. , Shepherd, A. , Nagler, T. , Gilbert, L. , Wuite, J. , Muir, A. , Corr, H. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Rott, H. and Drinkwater, M. (2016)
Utility of CryoSat-2 data for locating the ice sheet grounding line and determining ice shelf thickness: Final outcomes of the ESA STSE GLITter project ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48369

Conference -Talk
Schröder, L. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Richter, A. , Fedorov, D. , Eberlein, L. , Brovkov, E. , Knöfel, C. , Horwath, M. and Lukin, V. (2016)
Validation of CryoSat-2 products over the East Antarctica Ice Sheet ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.48365

Conference -Poster
Jansen, D. ORCID: https://orcid.org/0000-0002-4412-5820, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Luckman, A. J. and Bevan, S. (2016)
Observed rift propagation in the Larsen C Ice Shelf from Sentinel 1-A radar data ,
EGU General Assembly 2016, Vienna, Austria, 17 April 2016 - 22 April 2016 .
hdl:10013/epic.47801
[thumbnail of DanielaJansenEGU2016Postersmall.pdf]
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Conference -Poster
Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Kaleschke, L. , Schwegmann, S. , Rinne, E. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2016)
Arctic and Antarctic Sea-Ice Thickness Derived from CryoSat-2, SMOS, and Envisat ,
EGU 2016, Vienna, 18 April 2016 - 22 April 2016 .
hdl:10013/epic.47758
[thumbnail of rricker_egu_poster_v3.pdf]
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Conference -Poster
Shfaqat, A. K. , Sasgen, I. ORCID: https://orcid.org/0000-0002-8993-0989, Bevis, M. , van Dam, T. , Wahr, J. , Bamber, J. , Wouters, B. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Willis, M. , Csatho, B. , Knudsen, P. , Kuipers-Munneke, P. and Kjaer, K. (2016)
Iceland hotspot track in southeast Greenland causes huge present-day vertical viscoelastic motion of the bedrock ,
EGU General Assembly 2016, Vienna, Austria, 17 April 2016 - 22 April 2016 .
hdl:10013/epic.48372

Conference -Talk
Berger, S. , Drews, R. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Rack, W. , Lenaerts, J. , Ligtenberg, S. and Pattyn, F. (2016)
Observing ice-shelf channels and basal melting from space ,
EGU General Assembly 2016, Vienna, Austria, 17 April 2016 - 22 April 2016 .
hdl:10013/epic.48371

Conference -Invited talk
Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Kaleschke, L. ORCID: https://orcid.org/0000-0001-7086-3299 and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2016)
Sea Ice Thickness obtained from Space ,
Ifremer colloquium, Ifremer, Brest, France .
hdl:10013/epic.7d787f23-8859-438f-9580-ee7f32cc9c4f
[thumbnail of ifremer_seminar.pdf]
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Conference -Poster
Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Humbert, A. , Rosenau, R. and Ebermann, B. (2016)
Near real time surface velocity measurements of North-East Greenland Ice Stream outlet glaciers from Sentinel-1A data ,
ESA Living Planet Symposium, Prague, Czech Republic, 9 May 2016 - 13 May 2016 .
hdl:10013/epic.47918
[thumbnail of nneckel_Poster_Prag_final.pdf]
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Conference -Poster
Binder, T. , Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Humbert, A. and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2016)
Phase-sensitive radar on thick Antarctic ice – how well does it work? ,
EGU General Assembly 2016, Vienna, 17 April 2016 - 22 April 2016 .
hdl:10013/epic.47755
[thumbnail of EGU2016-17840.pdf]
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Conference -Invited talk
Radosavljevic, B. ORCID: https://orcid.org/0000-0001-6095-9078, Lantuit, H. ORCID: https://orcid.org/0000-0003-1497-6760, Pollard, W. , Overduin, P. ORCID: https://orcid.org/0000-0001-9849-4712, Couture, N. J. , Sachs, T. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Fritz, M. ORCID: https://orcid.org/0000-0003-4591-7325 (2015)
Coastal Hazard Vulnerability Assessment: A Case Study of Erosion and Flooding on Herschel Island, Yukon Territory, Canada ,
AGU Fall Meeting, San Francisco, California, USA, 14 December 2015 - 18 December 2015 .
hdl:10013/epic.46682
[thumbnail of Radosavljevic_AGU.pdf]
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Conference -Invited talk
Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Perovich, D. K. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2015)
The impact of the snow cover on sea-ice thickness products, retrieved by Ku band radar altimeters ,
AGU Fall Meeting, San Francisco, December 2015 - December 2015 .
hdl:10013/epic.62893cf9-1e04-4d46-ab04-fb87c40e0d3c
[thumbnail of C31A-06.pdf]
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Conference -Invited talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2015)
Observing ice-volume change in Greenland and Antarctica using CryoSat-2 altimetry ,
IUGG, Prague, 22 June 2015 - 2 July 2015 .
hdl:10013/epic.48359

Conference -Poster
Humbert, A. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Kleiner, T. ORCID: https://orcid.org/0000-0001-7825-5765 and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2015)
How swampy is the base of Recovery Glacier, Antarctica? ,
International Symposium on Hydrology of Glaciers and Ice Sheets, Iceland, 21 June 2015 - 26 June 2015 .
hdl:10013/epic.49352

Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Eagles, G. ORCID: https://orcid.org/0000-0001-5325-0810, Müller, C. , Binder, T. , Kässbohrer, J. , Drews, R. , Lenaerts, J. , Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X (2015)
Circular surface depression on Roi Baudoin Ice Shelf, Dronning Maud Land, East Antarctica - characteristics and possible origin ,
European Geophysical Union, 12 April 2015 - 15 April 2015 .
hdl:10013/epic.45044

Conference -Talk
Simonsen, S. B. , Sørensen, L. S. , Nilsson, J. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Langley, K. , Forsberg, R. , Hvidegaard, S. M. and Skourup, H. (2015)
Validating Cryosat-2 elevation estimates with airborne laser scanner data for the Greenland ice sheet, Austfonna and Devon ice caps ,
EGU General Assembly 2015, Vienna, Austria, 12 April 2015 - 17 April 2015 .
hdl:10013/epic.45313

Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2015)
CryoSat-2 QWG 6, Land Ice Validation ,
CryoSat-2 QWG 6, Mullard Space Science Laboratory, Dorking, UK, 16 March 2015 - 19 March 2015 .
hdl:10013/epic.45314

Conference -Poster
Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Kasper, D. , Kleiner, T. ORCID: https://orcid.org/0000-0001-7825-5765 and Humbert, A. (2014)
New Insights in the Existence of Lakes Beneath the Recovery Glacier Drainage Basin, Antarctica ,
AGU Fall Meeting, San Francisco, 15 December 2014 - 19 December 2014 .
hdl:10013/epic.49292

Conference -Talk
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Haas, C. and Davidson, M. (2014)
Uncertainties of Sea Ice Thickness from CryoSat-2 ,
International Sea Ice Concentration and Thickness Evaluation and Intercomparison Workshop, University of Hamburg, 19 September 2014 - unspecified .
hdl:10013/epic.45047
[thumbnail of Hendricks_AWI_CryoSat-2.pdf]
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Conference -Poster
Obu, J. , Lantuit, H. ORCID: https://orcid.org/0000-0003-1497-6760, Fritz, M. ORCID: https://orcid.org/0000-0003-4591-7325, Grosse, G. ORCID: https://orcid.org/0000-0001-5895-2141, Sachs, T. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2014)
Short-term geomorphic dynamics of the Yukon and Herschel Island coasts based on LIDAR DEMs from 2012 and 2013 ,
EUCOP4 European Conference on Permafrost, Evora, Portugal, 19 June 2014 - 21 June 2014 .
hdl:10013/epic.43741
[thumbnail of EUCOP_Obu_poster.pdf]
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Conference -Talk
Obu, J. , Lantuit, H. ORCID: https://orcid.org/0000-0003-1497-6760, Fritz, M. ORCID: https://orcid.org/0000-0003-4591-7325, Heim, B. ORCID: https://orcid.org/0000-0003-2614-9391, Myers-Smith, I. , Sachs, T. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2014)
Soil organic carbon and total nitrogen on the Herschel Island ,
CAPP workshop, Stockholm University, 12 May 2014 - 14 May 2014 .
hdl:10013/epic.44435
[thumbnail of CAPP_2014_Obu.pdf]
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Conference -Talk
Goeller, S. , Thoma, M. ORCID: https://orcid.org/0000-0002-4033-3905, Grosfeld, K. ORCID: https://orcid.org/0000-0001-5936-179X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Miller, H. (2014)
Dynamics and mass export of the Ross Ice Streams in West Antarctica, triggered by subglacial hydrological processes ,
REKLIM Workshop, Bad Salzschlirf, Germany, 31 March 2014 - 2 April 2014 .
hdl:10013/epic.43383
[thumbnail of TitlePage_Talk_REKLIM_Workshop_2014_BadSalzschlirf.pdf]
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Conference -Talk
Obu, J. , Lantuit, H. ORCID: https://orcid.org/0000-0003-1497-6760, Fritz, M. ORCID: https://orcid.org/0000-0003-4591-7325, Heim, B. ORCID: https://orcid.org/0000-0003-2614-9391, Schirrmeister, L. ORCID: https://orcid.org/0000-0001-9455-0596, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Wolter, J. ORCID: https://orcid.org/0000-0001-6179-7621 (2014)
Organic carbon and nitrogen release by coastal erosion in the western Canadian Arctic ,
ESA DUE Permafrost Workshop, ESA ESRIN, Frascati (Rome), Italy, 11 February 2014 - 13 February 2014 .
[thumbnail of Obu_DUE_Permafrost_2014.pdf]
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Conference -Poster
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Langhammer, L. and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2013)
Ku-Band penetration obtained from airborne radar and laser altimetry and TerraSAR-X in a blue ice area in Antarctica ,
Earth Observation and Cryosphere Science Conference, 13 November 2012 - 16 November 2012 .
hdl:10013/epic.39703

Conference -Talk
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Haas, C. , Skourup, H. , Herber, A. ORCID: https://orcid.org/0000-0001-6651-3835, Schwegmann, S. , Gerdes, R. and Davidson, M. (2013)
CryoSat-2 Sea-Ice Freeboard and Thickness ,
ESA Living Planet Symposium, Edinburgh, 9 September 2013 - 13 September 2013 .
hdl:10013/epic.42309
[thumbnail of Hendricks_ESALivingPlanet_final.pdf]
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Conference -Talk
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Schwegmann, S. , Haas, C. and Herber, A. ORCID: https://orcid.org/0000-0001-6651-3835 (2013)
Mass balance of sea ice in both hemispheres ,
CryoSat Third User Workshop, Dresden, 12 March 2013 - 14 March 2013 .
hdl:10013/epic.42310
[thumbnail of Hendricks_CryoSat2013.pdf]
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Conference -Talk
Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Gerdes, R. and Skourup, H. (2012)
Comparison Of Sea-Ice Freeboard And Thickness Distributions From Aircraft Data And Cryosat-2 ,
Earth Observation & Cryospehere Science Conference, ESRIN, Frascati, Italy, 13 November 2012 - 16 November 2012 .
hdl:10013/epic.40969
[thumbnail of Frascati_2012.pdf]
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Conference -Talk
Langley, K. , Patel, A. , Hawley, R. , Dunse, T. , Hagen, J. , Kohler, J. , Skourup, H. , Gogineni, S. , Forsström, S. , Eiken, T. , Leuschen, C. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2012)
CryoSat cal/val activities on Austfonna – Part II: Ground-based measurements using a Ku-band radar, for validation of the CryoSat-2 SIRAL data ,
Earth Observation and Cryosphere Science Conference, 13 November 2012 - 16 November 2012 .
hdl:10013/epic.39705

Conference -Talk
Wang, C. , Renner, A. , Gerland, S. , Anfinsen, S. , Brandt, O. , Doulgeris, A. , Dumont, M. , Eltoft, T. , Fors, A. , Granskog, M. , Haapala, J. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Hudson, S. , Hughes, N. , Lensu, M. , Li, Z. , Moen, M. , Sandven, S. , Skourup, H. , Spreen, G. and Zygmuntowska, M. (2012)
In-situ calibration and validation of CryoSat-2 observations over Arctic first year sea ice north of Svalbard ,
Earth Observation and Cryosphere Science Conference, 13 November 2012 - 16 November 2012 .
hdl:10013/epic.39704

Conference -Poster
Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Gerdes, R. and Skourup, H. (2012)
A Comparison of Sea-Ice Freeboard Distributions from Aircraft Data and CryoSat-2 ,
20 Years of Progress in Radar Altimetry, Venice, Italy, 24 September 2012 - 29 September 2012 .
hdl:10013/epic.40122
[thumbnail of Venice_Poster.pdf]
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Conference -Poster
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Drews, R. , Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488, Knöfel, C. and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2012)
CryoSat Cal/Val – Accuracy and Penetration Depth of the CryoSat SARIn product ,
20 Years of Progress in Radar Altimetry, Venice, 24 September 2012 - 29 September 2012 .
hdl:10013/epic.39707

Conference -Conference paper
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Miller, H. (2012)
CRYOSAT Cal/Val activities using the airborne ASIRAS Ku-band system ,
IGARSS 2012, München, 22 July 2012 - 27 July 2012 .
hdl:10013/epic.39706

Conference -Invited talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146 (2012)
Eine eisige Mission - Mit CryoSat-2 den Änderungen in den Polargebieten auf der Spur ,
Die Erde im Visier - Sonderausstellung, GEOMAR, Kiel, 15 May 2012 - 24 August 2012 .
hdl:10013/epic.39702

Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2012)
CryoVEx 2011 - Final Meeting ,
CryoVEx 2011 - Final Meeting, ESA - ESRIN, Frascati, Italy .
hdl:10013/epic.38736
[thumbnail of ppt_AWI_120120_Cryovex11_FM.pdf]
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Conference -Talk
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Herber, A. ORCID: https://orcid.org/0000-0001-6651-3835 and Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 (2012)
CryoVEx 2011, Airborne Validation Campaign ,
CryoVEx 2011 Final Meeting .
hdl:10013/epic.38684
[thumbnail of cryovex2011_fm_seaice.pdf]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2012)
CryoVExANT-2011 - Data Acquisition Report ,
CryoVEx 2011 - Final Meeting, ESA - ESRIN, Frascati, Italy .
hdl:10013/epic.38737
[thumbnail of ppt_AWI_120120_DAQ_CryoVexANT2011.pdf]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Drews, R. , Neckel, N. ORCID: https://orcid.org/0000-0003-4300-5488 and Diez, A. (2011)
Validierung von CryoSat-2 -- Genauigkeit und Eindringverhalten ,
9. RTG Georadar, Freiberg, Germany .
hdl:10013/epic.38735
[thumbnail of ppt_helm_RTG_Freiberg_2011_1.pdf]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146 (2011)
Accuracy of surface elevation derived from ASIRAS and CryoSat ,
2nd CryoSat Validation workshop. .
hdl:10013/epic.36855
[thumbnail of Fulltext]
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Conference -Invited talk
Krumpen, T. ORCID: https://orcid.org/0000-0001-6234-8756, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746 and Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X (2011)
Calibration and Validation of CryoSat-2 and TanDEM-X elevation products of land and sea ice by using airborne and field data ,
TanDEM-X Science MeetingFeb. 2011. .
hdl:10013/epic.37105

Conference -Poster
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Stenseng, L. and Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 (2011)
Ku-Band radar penetration into Snow over Arctic sea ice ,
2nd CryoSat Validation Workshop. .
hdl:10013/epic.36883
[thumbnail of Fulltext]
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Conference -Talk
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500, Stenseng, L. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2011)
Validation of CryoSat-2 sea ice freeboard retrievals by ground and airborne surveys ,
IUGG XXV General Assembly, Melbourne. .
hdl:10013/epic.38285
[thumbnail of Fulltext]
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Conference -Invited talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2010)
CryoSat-2, ESA's Mission to Ice ,
Koordinations-Workshop SPP 1257, Dipperz, Germany. .
hdl:10013/epic.35778
[thumbnail of Fulltext]
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Conference -Paper
Hendricks, S. , Stenseng, L. , Helm, V. and Haas, C. (2010)
Effects of surface roughness on sea ice freeboard retrieval with an Airborne Ku-Band SAR radar altimeter ,
Geoscience and Remote Sensing (IGARSS 2010), IEEE International Symposium. .
doi:https://www.doi.org/10.1109/igarss.2010.5654350 , hdl:10013/epic.38266

Conference -Conference paper
Sandberg Sørensen, L. , Stenseng, L. , Simonsen, S. B. , Forsberg, R. , Poulsen, S. K. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2010)
Greenland Ice Sheet changes from space using laser, radar and gravity. ,
ESA Living Planet 2010, ESA Special Publication SP-686. .
hdl:10013/epic.38270
[thumbnail of Fulltext]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Rülke, A. (2009)
Accuracy of surface elevation derived from ASIRAS ,
Joint CryoSat-IceSat Science Team meeting, Reykjavik, Iceland. .
hdl:10013/epic.33472
[thumbnail of Fulltext]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2009)
Akkumulationsbestimmung mit Hilfe eines flugzeuggetragenen KU-Band-Radaraltimetersystems ,
Rundtisch-Gespräch Georadar (RTG-8), Freiberg, Germany. .
hdl:10013/epic.33448
[thumbnail of Fulltext]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 and Rülke, A. (2009)
CryoSat-2 Cal/Val Aktivitäten über Landeis ,
CryoSat Nutzerworkshop, AWI Bremerhaven, Germany. .
hdl:10013/epic.35774
[thumbnail of Fulltext]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2009)
CryoSat-2, ESA's Mission to Ice ,
Koordinations-Workshop SPP 1158, Hamburg, Germany. .
hdl:10013/epic.33473
[thumbnail of Fulltext]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2009)
CryoVEx 2008 - Analysis of ASIRAS Level_1b product ,
CryoVEx 2008 Final Meeting, ESA - ESTEC, Noordweijk, The Netherlands. .
hdl:10013/epic.33474
[thumbnail of Fulltext]
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Conference -Talk
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2009)
CryoVEx08/09 Antarctica - Final presentation ,
CryoVEx08/09 Antarctica Final meeting, ESA - ESTEC Noordweijk, The Netherlands. .
hdl:10013/epic.33906
[thumbnail of Fulltext]
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Conference -Talk
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Stenseng, L. and Tonboe, R. (2009)
Freeboard and HEM sea ice thickness measurements in 2005, 2006 and 2008 ,
Joint CryoSat-IceSat Science Team Meeting, Reykjavik, Iceland. .
hdl:10013/epic.33188
[thumbnail of Fulltext]
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Conference -Talk
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2008)
CryoVEx 2008: Airborne sea ice thickness campaign ,
CryoVEx 2008 Mid Term Review, Copenhagen. .
hdl:10013/epic.33462

Conference -Poster
Wesche, C. ORCID: https://orcid.org/0000-0002-9786-4010, Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Riedel, S. , Rülke, A. and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2007)
Surface topography in the center of Dronning Maud Land, Antarctica, derived from airborne radar altimetry and ground based kinematic GPS measurements ,
General Assembly of the European Geosciences Union, Vienna, Austria, 15 April 2007 - 20 April 2007 .
hdl:10013/epic.42129

Conference -Poster
Dunse, T. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X, Rack, W. and Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751 (2006)
The Cryosat land ice validation experiment 2004 Part II: Ground-based measurements of the firn structure using GPR ,
EGU General Assembly, Vienna, Austria 07 April 2006. .
hdl:10013/epic.24939
[thumbnail of Fulltext]
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Conference -Poster
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Cullen, R. and Rack, W. (2006)
The Cryosat land ice validation experiment CryoVex2004 Part I: ASIRAS vs. laser altimeter measurements ,
EGU General Assembly, Vienna, Austria 07 April 2006. .
hdl:10013/epic.26981
[thumbnail of Fulltext]

Conference -Poster
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Rack, W. (2006)
The Cryosat land ice validation experiment CryoVex2004 Part I: ASIRAS vs. laser altimeter measurements ,
66. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, 6.-9. März, Bremen. .
hdl:10013/epic.26982
[thumbnail of Fulltext]

Conference -Poster
Dunse, T. , Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Eisen, O. ORCID: https://orcid.org/0000-0002-6380-962X and Rack, W. (2006)
The internal layering of snow along a section of the EGIG-line, western Greenland, derived from GPR and ASIRAS-measurements ,
66. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, 6.-9. März, Bremen. .
hdl:10013/epic.24938

Conference -Poster
Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 and Jokat, W. ORCID: https://orcid.org/0000-0002-7793-5854 (2003)
The sedimentary structure of the continental slope in the area of Larsen shelf, Eastern margin of Antarctica ,
63. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, 23.-28. März, Jena. .
hdl:10013/epic.26984
[thumbnail of Fulltext]

Miscellaneous

Miscellaneous
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757 and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2016)
User Guide - AWI CryoSat-2 Sea Ice Thickness Data Product (v1.2)
[Miscellaneous]
hdl:10013/epic.48201
[thumbnail of AWI_cryosat2_user_guide_v1_2_july2016.pdf]
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Miscellaneous
Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Steinhage, D. ORCID: https://orcid.org/0000-0003-4737-9751, Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328, Birnbaum, G. ORCID: https://orcid.org/0000-0002-0252-6781, Skou, N. , Kristensen, S. S. , Søbjærg, S. S. , Gerland, S. , Spreen, G. , Bratrein, M. and King, J. (2014)
SMOSice 2014: Data Acquisition Report ,
[Miscellaneous]
hdl:10013/epic.45054
[thumbnail of SMOS2014-DataAcquistionReport_rev2.pdf]
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PANGAEA Documentation

PANGAEA Documentation
Rankl, M. , Braun, M. and Helm, V. ORCID: https://orcid.org/0000-0001-7788-9328 (2015)
TanDEM-X ice thickness dataset for Wilkins Ice Shelf, Antarctic Peninsula ,
Bremerhaven, PANGAEA .
hdl:10013/epic.44969
[thumbnail of TanDEM-X_ice-thickness-2012-50m_egm08_preview.png]
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This list was generated on Fri Nov 29 12:47:50 2024 CET.