Items where Author is "Helm, V"

Drews, R. , Wild, C. , Marsh, O. , Rack, W. , Ehlers, T. , Neckel, N. and Helm, V. (2021)
Grounding‐Zone Flow Variability of Priestley Glacier, Antarctica, in a Diurnal Tidal Regime , doi:https://www.doi.org/10.1029/2021gl093853 , hdl:10013/epic.609a2371-cf7a-4e93-bb21-40c4fa670182

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. , Bjørk, A. , Blazquez, A. , Bonin, J. , Colgan, W. , Csatho, B. , Cullather, R. , Engdahl, M. , Felikson, D. , Fettweis, X. , Forsberg, R. , Hogg, A. , Gallee, H. , Gardner, A. , Gilbert, L. , Gourmelen, N. , Groh, A. , Gunter, B. , Hanna, E. , Harig, C. , Helm, V. , Horvath, A. , Horwath, M. , Khan, S. , Kjeldsen, K. , Konrad, H. , Langen, P. , Lecavalier, B. , Loomis, B. , Luthcke, S. , McMillan, M. , Melini, D. , Mernild, S. , Mohajerani, Y. , Moore, P. , Mottram, R. , Mouginot, J. , Moyano, G. , Muir, A. , Nagler, T. , Nield, G. , Nilsson, J. , Noël, B. , Otosaka, I. , Pattle, M. , Peltier, W. , Pie, N. , Rietbroek, R. , Rott, H. , Sandberg Sørensen, L. , Sasgen, I. , Save, H. , Scheuchl, B. , Schrama, E. , Schröder, L. , Seo, K. , Simonsen, S. , Slater, T. , Spada, G. , Sutterley, T. , Talpe, M. , Tarasov, L. , van de Berg, W. , van der Wal, W. , van Wessem, M. , Vishwakarma, B. , Wiese, D. , Wilton, D. , Wagner, T. , Wouters, B. and Wuite, J. (2020)
Mass balance of the Greenland Ice Sheet from 1992 to 2018 , doi:https://www.doi.org/10.1038/s41586-019-1855-2 , hdl:10013/epic.e009a4d5-e81a-423d-b650-eaca4d9a3449

Drews, R. , Pattyn, F. , Hewitt, I. , Ng, F. , Berger, S. , Matsuoka, K. , Helm, V. , Bergeot, N. , Favier, L. and Neckel, N. (2017)
Actively evolving subglacial conduits and eskers initiate ice shelf channels at an Antarctic grounding line , doi:https://www.doi.org/10.1038/ncomms15228 , hdl:10013/epic.50856

Lenaerts, J. , Lhermitte, S. , Drews, R. , Ligtenberg, S. , Berger, S. , Helm, V. , Smeets, C. , Broeke, M. v. d. , van de Berg, W. , van Meijgaard, E. , Eijkelboom, M. , Eisen, O. and Pattyn, F. (2017)
Meltwater produced by wind–albedo interaction stored in an East Antarctic ice shelf , doi:https://www.doi.org/10.1038/nclimate3180 , hdl:10013/epic.49360

Wouters, B. , Martin-Español, A. , Helm, V. , Flament, T. , van Wessem, J. , Ligtenberg, S. , van den Broeke, M. and Bamber, J. (2015)
Dynamic thinning of glaciers on the Southern Antarctic Peninsula , doi:https://www.doi.org/10.1126/science.aaa5727 , hdl:10013/epic.45616

Price, D. , Beckers, J. , Ricker, R. , Kurtz, N. , Rack, W. , Haas, C. , Helm, V. , Hendricks, S. , Leonard, G. and Langhorne, P. , Gateway Antarctica, University of Canterbury, Christchurch, New Zealand, Department of Earth & Atmospheric Sciences, University of Alberta, Edmonton, Alberta, Canada, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA, Department of Earth, Space Science and Engineering, York University, Toronto, Ontario, Canada, School of Surveying, University of Otago, Dunedin, New Zealand, Department of Physics, University of Otago, Dunedin, New Zealand (2015)
Evaluation of CryoSat-2 derived sea-ice freeboard over fast ice in McMurdo Sound, Antarctica , doi:https://www.doi.org/10.3189/2015jog14j157 , hdl:10013/epic.45308

Ricker, R. , Hendricks, S. , Helm, V. , Skourup, H. and Davidson, M. (2014)
Sensitivity of CryoSat-2 Arctic sea-ice freeboard and thickness on radar-waveform interpretation , doi:https://www.doi.org/10.5194/tc-8-1607-2014 , hdl:10013/epic.44049

Helm, V. , Humbert, A. and Miller, H. (2014)
Elevation and elevation change of Greenland and Antarctica derived from CryoSat-2 , doi:https://www.doi.org/10.5194/tc-8-1539-2014 , hdl:10013/epic.44098

Gray, L. , Burgess, D. , Copland, L. , Cullen, R. , Galin, N. , Hawley, R. and Helm, V. (2013)
Interferometric swath processing of Cryosat data for glacial ice topography , doi:https://www.doi.org/10.5194/tc-7-1857-2013 , hdl:10013/epic.42770

Zygmuntowska, M. , Khvorostovsky, K. , Helm, V. and Sandven, S. (2013)
Waveform classification of airborne synthetic aperture radar altimeter over Arctic sea ice , doi:https://www.doi.org/10.5194/tc-7-1315-2013 , hdl:10013/epic.42036

de la Peña, S. , Nienow, P. , Shepherd, A. , Helm, V. , Mair, D. , Hanna, E. , Huybrechts, P. , Guo, Q. , Cullen, R. and Wingham, D. (2010)
Spatially extensive estimates of annual accumulation in the dry snow zone of the Greenland Ice Sheet determined from radar altimetry , doi:https://www.doi.org/10.5194/tc-4-467-2010 , hdl:10013/epic.36407

Hawley, R. , Shepherd, A. , Cullen, R. , Helm, V. and Wingham, D. (2009)
Ice-sheet elevations from across-track processing of airborne interferometric radar altimetry , doi:https://www.doi.org/10.1029/2009gl040416 , hdl:10013/epic.33644

Drews, R. , Rack, W. , Wesche, C. and Helm, V. (2009)
A Spatially Adjusted Elevation Model in Dronning Maud Land, Antarctica, Based on Differential SAR Interferometry , doi:https://www.doi.org/10.1109/tgrs.2009.2016081 , hdl:10013/epic.33171

Helm, V. , Rack, W. , Cullen, R. , Nienow, P. , Mair, D. , Parry, V. and Wingham, D. (2007)
Winter accumulation in the percolation zone of Greenland measured by airborne radar altimeter , doi:https://www.doi.org/10.1029/2006gl029185 , hdl:10013/epic.27029