Items where Author is "Ritter, Christoph"

Article

Ohneiser, K. , Ansmann, A. , Chudnovsky, A. , Engelmann, R. , Ritter, C. , Veselovskii, I. , Baars, H. , Gebauer, H. , Griesche, H. , Radenz, M. , Hofer, J. , Althausen, D. , Dahlke, S. and Maturilli, M. (2021)
The unexpected smoke layer in the High Arctic winter stratosphere during MOSAiC 2019–2020 ,

Atmospheric Chemistry and Physics, 21 (20), pp. 15783-15808 .

doi:https://www.doi.org/10.5194/acp-21-15783-2021 , hdl:10013/epic.da10e719-9529-4861-8694-ecd215e6bc28

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Article

Nakoudi, K. , Stachlewska, I. S. and Ritter, C. (2021)
An extended lidar-based cirrus cloud retrieval scheme: first application over an Arctic site ,

Optics Express, 29 (6), p. 8553 .

doi:https://www.doi.org/10.1364/oe.414770 , hdl:10013/epic.9837bc44-b11d-4c32-9e56-409592833983

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Article

Nakoudi, K. , Stachlewska, I. S. and Ritter, C. (2021)
An extended lidar-based cirrus cloud retrieval scheme: first application over an Arctic site ,

Opt. Express, 29 (6), pp. 8553-8580 .

doi:10.1364/OE.414770 , hdl:10013/epic.de078d31-a012-469f-9a7b-deb90f8da2fb

Article

Rader, F. , Traversi, R. , Severi, M. , Becagli, S. , Müller, K. J. , Nakoudi, K. and Ritter, C. (2021)
Overview of Aerosol Properties in the European Arctic in Spring 2019 Based on In Situ Measurements and Lidar Data ,

Atmosphere, 12 (2), p. 271 .

doi:https://www.doi.org/10.3390/atmos12020271 , hdl:10013/epic.a4af42b4-7018-42e5-bf8c-74d54b10dc12

[thumbnail of atmosphere-12-00271-v2.pdf]

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Article

Müller, K. J. , Ritter, C. and Nakoudi, K. (2020)
Aerosol Investigation During the Arctic Haze Season of 2018: Optical and Hygroscopic Properties ,

EPJ Web Conf., 237 , 02001 .

doi:10.1051/epjconf/202023702001 , hdl:10013/epic.92ee4a28-8a6c-4f21-9b14-13f308bb4ff5

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Article

Nakoudi, K. , Böckmann, C. , Ritter, C. , Pefanis, V.

, Maturilli, M.

, Bracher, A.

and Neuber, R.

(2020)
Aerosol Investigation During the Arctic Haze Season of 2018: Optical and Microphysical Properties ,

EPJ Web Conf., 237 , 02002 .

doi:10.1051/epjconf/202023702002 , hdl:10013/epic.f81bb2f7-b8bb-4f1b-ac44-df75d7cf9ed9

[thumbnail of Nakoudi_ArcticHazeepjconf_ilrc292020.pdf]

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Article

Nomokonova, T. , Ebell, K. , Löhnert, U. , Maturilli, M. and Ritter, C. (2020)
The influence of water vapor anomalies on clouds and their radiative effect at Ny-Ålesund ,

Atmospheric Chemistry and Physics, 20 (8), pp. 5157-5173 .

doi:https://www.doi.org/10.5194/acp-20-5157-2020 , hdl:10013/epic.f2405a4c-ec66-488e-8fef-225ee0df10ba

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Article

Zielinski, T. , Bolzacchini, E. , Cataldi, M. , Ferrero, L. , Graßl, S. , Hansen, G. , Mateos, D. , Mazzola, M. , Neuber, R.

, Pakszys, P. , Posyniak, M. , Ritter, C. , Severi, M. , Sobolewski, P. , Traversi, R. and Velasco-Merino, C. (2020)
Study of Chemical and Optical Properties of Biomass Burning Aerosols during Long-Range Transport Events toward the Arctic in Summer 2017 ,

Atmosphere, 11 (84), pp. 1-27 .

doi:10.3390/atmos11010084 , hdl:10013/epic.3f56c5f2-4811-4d70-b870-6b63741c0a6f

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Article

Nakoudi, K. , Ritter, C. , Böckmann, C. , Kunkel, D. , Eppers, O. , Rozanov, V. , Mei, L. , Pefanis, V. , Jäkel, E. , Herber, A.

, Maturilli, M. and Neuber, R. (2020)
Does the Intra-Arctic Modification of Long-Range Transported Aerosol Affect the Local Radiative Budget? (A Case Study) ,

Remote Sensing, 12 (13), p. 2112 .

doi:https://www.doi.org/10.3390/rs12132112 , hdl:10013/epic.e6f1f411-3930-434e-91b1-e9de7532771e

[thumbnail of Nakoudi2020_intraArctic_modif__aer_radiat_effect.pdf]

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Article

Kabanov, D. M. , Ritter, C. and Sakerin, S. M. (2020)
Interannual and seasonal variations in the aerosol optical depth of the atmosphere in two regions of Spitsbergen (2002–2018) ,

Atmospheric Measurement Techniques, 13 (10), pp. 5303-5317 .

doi:https://www.doi.org/10.5194/amt-13-5303-2020 , hdl:10013/epic.469af295-0203-4f5b-a36c-7a783a2dfdda

[thumbnail of Photometer_Barentsburg2020.pdf]

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Article

Ebell, K. , Nomokonova, T. , Maturilli, M. and Ritter, C. (2020)
Radiative Effect of Clouds at Ny-Ålesund, Svalbard, as Inferred from Ground-Based Remote Sensing Observations ,

Journal of Applied Meteorology and Climatology, 59 (1), pp. 3-22 .

doi:https://www.doi.org/10.1175/jamc-d-19-0080.1 , hdl:10013/epic.730d76eb-55d6-42e4-8be9-9f001d33e8a2

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Article

Mei, L. , Rozanov, V. , Ritter, C. , Heinold, B. , Jiao, Z. , Vountas, M. and Burrows, J. P. (2020)
Retrieval of Aerosol Optical Thickness in the Arctic Snow-Covered Regions Using Passive Remote Sensing: Impact of Aerosol Typing and Surface Reflection Model ,

IEEE Transactions on Geoscience and Remote Sensing, 58 (7), pp. 5117-5131 .

doi:https://www.doi.org/10.1109/tgrs.2020.2972339 , hdl:10013/epic.7ccdd46d-c055-4169-9580-63874ad18ea3

[thumbnail of Linlu_2020_retrieval_AOT.pdf]

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Article

Vaquero-Martínez, J. , Antón, M. , Román, R. , Cachorro, V. E. , Wang, H. , González Abad, G. and Ritter, C. (2020)
Water vapor satellite products in the European Arctic: An inter-comparison against GNSS data ,

Science of The Total Environment, 741 , p. 140335 .

doi:https://www.doi.org/10.1016/j.scitotenv.2020.140335 , hdl:10013/epic.f05fd5ef-5910-40e8-8d54-993b1b02135e

Article

Graßl, S. and Ritter, C. (2019)
Properties of Arctic Aerosol Based on Sun Photometer Long-Term Measurements in Ny-Ålesund, Svalbard ,

Remote Sensing, 11 (11), p. 1362 .

doi:https://www.doi.org/10.3390/rs11111362

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Article

Nomokonova, T. , Ebell, K. , Löhnert, U. , Maturilli, M. , Ritter, C. and O'Connor, E. (2019)
Statistics on clouds and their relation to thermodynamic conditions at Ny-Ålesund using ground-based sensor synergy ,

Atmospheric Chemistry and Physics, 19 (6), pp. 4105-4126 .

doi:https://www.doi.org/10.5194/acp-19-4105-2019 , hdl:10013/epic.c3f88753-3063-4559-a43b-15cfa4c226c8

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Article

Kulla, B. and Ritter, C. (2019)
Water Vapor Calibration: Using a Raman Lidar and Radiosoundings to Obtain Highly Resolved Water Vapor Profiles ,

Remote Sensing, 11 (6), p. 616 .

doi:https://www.doi.org/10.3390/rs11060616 , hdl:10013/epic.0a586ff1-0c92-4a24-90dc-175693498495

[thumbnail of remotesensing-11-00616-v2.pdf]

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Article

Ritter, C. and Böckmann, C. (2018)
Observation of an intense biomass burning event over Spitsbergen ,

EPJ Web Conf, 28 ILRC, 176 (05030) .

hdl:10013/epic.4c65ddd1-9e58-48d4-8050-f02350917536

[thumbnail of RitterBoeckmann_ilrc28.pdf]

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Article

Lisok, J. , Rozwadowska, A. , Pedersen, J. G. , Markowicz, K. M. , Ritter, C. , Kaminski, J. W. , Struzewska, J. , Mazzola, M. , Udisti, R. , Becagli, S. and Gorecka, I. (2018)
Radiative impact of an extreme Arctic biomass-burning event ,

Atmospheric Chemistry and Physics, 18 (12), pp. 8829-8848 .

doi:https://www.doi.org/10.5194/acp-18-8829-2018 , hdl:10013/epic.3d9b13bf-879c-497c-8077-11df1a48c147

[thumbnail of Lisok_radiativeforcing_BB-2018.pdf]

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Article

Schulz, A. , Schaller, C. , Maturilli, M. , Boike, J. , Ritter, C. and Foken, T. (2017)
Surface energy fluxes during the total solar eclipse over Ny-Ålesund, Svalbard, on 20 March 2015 ,

Meteorologische Zeitschrift, 26 (4), pp. 431-440 .

doi:https://www.doi.org/10.1127/metz/2017/0846 , hdl:10013/epic.51459

[thumbnail of Schulz_2017_solar_eclipse.pdf]

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Article

Moroni, B. , Cappelletti, D. , Crocchianti, S. , Becagli, S. , Caiazzo, L. , Traversi, R. , Udisti, R. , Mazzola, M. , Markowicz, K. , Ritter, C. and Zielinski, T. (2017)
Morphochemical characteristics and mixing state of long range transported wildfire particles at Ny-Ålesund (Svalbard Islands) ,

Atmospheric Environment .

doi:10.1016/j.atmosenv.2017.02.37 , hdl:10013/epic.50554

Article

Maturilli, M. and Ritter, C. (2016)
Surface radiation during the total solar eclipse over Ny-Ålesund, Svalbard, on 20 March 2015 ,

Earth System Science Data, 8 (1), pp. 159-164 .

doi:https://www.doi.org/10.5194/essd-8-159-2016 , hdl:10013/epic.47759

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Article

Tomasi, C. , Kokhanovsky, A. A. , Lupi, A. , Ritter, C. , Smirnov, A. , O'Neill, N. T. , Stone, R. S. , Holben, B. N. and Nyeki, S. (2015)
Aerosol remote sensing in polar regions ,

Earth-Science Reviews, 140 , pp. 108-157 .

doi:10.1016/j.earscirev.2014.11.001 , hdl:10013/epic.44661

[thumbnail of Tomasi_2014overviewaerosol.pdf]

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Article

Tomasi, C. , Petkov, B. , Mazzola, M. , Ritter, C. , di Sarra, A. , di Iorio, T. and del Guasta, M. (2015)
Seasonal Variations of the Relative Optical Air Mass Function for Background Aerosol and Thin Cirrus Clouds at Arctic and Antarctic Sites ,

Remote Sensing, 7 (6), pp. 7157-7180 .

doi:https://www.doi.org/10.3390/rs70607157 , hdl:10013/epic.50599

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Article

Jocher, G. , Schulz, A.

, Ritter, C. , Neuber, R.

, Dethloff, K. and Foken, T. (2014)
The Sensible Heat Flux in the Course of the Year at Ny-Ålesund, Svalbard: Characteristics of Eddy Covariance Data and Corresponding Model Results ,

Advances in Meteorology, Article ID 852108 .

doi:10.1155/1306 , hdl:10013/epic.44639

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Article

Stock, M. , Ritter, C. , Aaltonen, V. , Aas, W. , Handorff, D. , Herber, A.

, Treffeisen, R. and Dethloff, K. (2014)
Where does the optically detectable aerosol in the European Arctic come from? ,

Tellus B: Chemical and Physical Meteorology, 66 (1), p. 21450 .

doi:https://www.doi.org/10.3402/tellusb.v66.21450 , hdl:10013/epic.43223

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Article

Lampert, A. , Ström, J. , Ritter, C. , Neuber, R. , Yoon, Y. J. , Chae, N. Y. and Shiobara, M. (2012)
Inclined lidar observations of boundary layer aerosol particles above the Kongsfjord, Svalbard ,

Acta Geophysica, 60 (5), pp. 1287-1307 .

doi:https://www.doi.org/10.2478/s11600-011-0067-4 , hdl:10013/epic.40736

[thumbnail of Lampert_2011_inclinedlidar.pdf]

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Article

Jocher, G. , Karner, F. , Ritter, C. , Neuber, R.

, Dethloff, K. , Obleitner, F. , Reuder, J. and Foken, T. (2012)
The near-surface small-scale spatial and temporal variability of sensible and latent heat exchange in the Svalbard region: a case study ,

ISRN Meteorology .

hdl:10013/epic.39805

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Article

Lampert, A. , Maturilli, M. , Ritter, C. , Hoffmann, A. , Stock, M. , Herber, A.

, Birnbaum, G. , Neuber, R. , Dethloff, K. , Orgis, T. , Stone, R. , Brauner, R. , Kässbohrer, J. , Haas, C. , Makshtas, A. , Sokolov, V. and Liu, P. (2012)
The Spring-Time Boundary Layer in the Central Arctic Observed during PAMARCMiP 2009 ,

Atmosphere, 3 (3), pp. 320-351 .

doi:https://www.doi.org/10.3390/atmos3030320 , hdl:10013/epic.39872

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Article

Hoffmann, A. , Osterloh, L. , Stone, R. , Lampert, A. , Ritter, C. , Stock, M. , Tunved, P. , Hennig, T. , Böckmann, C. , Li, S. M. , Eleftheriadis, K. , Maturilli, M. , Orgis, T. , Herber, A.

, Neuber, R. and Dethloff, K. (2011)
Remote sensing and in-situ measurements of tropospheric aerosol, a PAMARCMiP case study ,

Atmospheric Environment, 52 , pp. 56-66 .

doi:https://www.doi.org/10.1016/j.atmosenv.2011.11.027 , hdl:10013/epic.39359

[thumbnail of Hoffmann_aerosolclosure2012.pdf]

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Article

Kravitz, B. , Robock, A. , Bourassa, A. , Deshler, T. , Wu, D. , Mattis, I. , Finger, F. , Hoffmann, A. , Ritter, C. , Bitar, L. , Duck, T. J. and Barnes, J. E. (2011)
Simulation and observations of stratospheric aerosols from the 2009 Sarychev volcanic eruption ,

Journal of Geophysical Research, 116 (D18) .

doi:https://www.doi.org/10.1029/2010jd015501 , hdl:10013/epic.38871

[thumbnail of Kravitz_2011_Sarychev.pdf]

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Article

Stock, M. , Ritter, C. , Herber, A.

, Hoyningen-Huene, W. , Baibakov, K. , Gräser, J. , Orgis, T. , Treffeisen, R. , Zinoview, N. , Makshtas, A. and Dethloff, K. (2011)
Springtime Arctic aerosol: Smoke versus Haze, a case study for March 2008 ,

Atmospheric Environment Sp. Ed.: Arctic Aerosol. .

doi:10.1016/j.atmosenv.2011.06.051 , hdl:10013/epic.43390

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Article

O'Neill, N. T. , Perro, C. , Saha, A. , Lesins, G. , Duck, T. J. , Eloranta, E. W. , Nott, G. J. , Hoffmann, A. , Karumudi, M. L. , Ritter, C. , Bourassa, A. , Abboud, I. , Carn, S. A. and Savastiouk, V. (2010)
Properties of Sarychev sulphate aerosols over the Arctic ,

J. Geophys Res., 117 .

doi:10.1029/2011JD016838 , hdl:10013/epic.39358

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Article

Stachlewska, I. S. , Neuber, R.

, Lampert, A. , Ritter, C. and Wehrle, G. (2009)
AMALi - the Airborne Mobile Aerosol Lidar for Arctic Research ,

Atmos. Chem. Phys. Discuss, 9 , pp. 18745-18792 .

hdl:10013/epic.34210

Article

Dörnbrack, A. , Stachlewska, I. S. , Ritter, C. and Neuber, R.

(2009)
Aerosol distribution around Svalbard during intense easterly winds ,

Atmos. Chem. Phys. Discuss., 9 (4), pp. 16441-16481 .

hdl:10013/epic.34184

Article

Lampert, A. , Ritter, C. , Hoffmann, A. , Gayet, J. F. , Mioche, G. , Ehrlich, A. , Dörnbrack, A. , Wendisch, M. and Shiobara, M. (2009)
Observations of Boundary Layer, Mixed-Phase and Multi-Layer Arctic Clouds with different lidar systems during ASTAR 2007 ,

Atmospheric Chemistry and Physics. .

hdl:10013/epic.34640

Article

Lampert, A. , Ritter, C. , Hoffmann, A. , Gayet, J. F. , Mioche, G. , Ehrlich, A. , Dörnbrack, A. , Wendisch, A. and Shiobara, M. (2009)
Observations of boundary layer, mixed-phase and multi-layer Arctic clouds with different lidar systems during ASTAR 2007 ,

Atmos. Chem. Phys. Discuss., 9, 15125-15179, 2009, 9 , 15125- 15179 .

hdl:10013/epic.34190

Article

Stachlewska, I. S. and Ritter, C. (2009)
On retrieval of lidar extinction profiles using Two-Stream and Raman techniques ,

Atmos. Chem. Phys. Discuss., 9(5)20257., 20229 .

doi:10.5194/acpd-9-20229-2009 , hdl:10013/epic.37688

Article

Stachlewska, I. S. and Ritter, C. (2009)
On retrieval of lidar extinction profiles using Two-Stream and Raman techniques ,

Atmos. Chem. Phys. Discuss., 9 , pp. 20229-20257 .

hdl:10013/epic.34189

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Article

Stachlewska, I. S. and Ritter, C. (2009)
On the retrieval of lidar extinction profiles using two-stream and Raman techniques. ,

Atmos. Chem. Phys. Discuss. 9, pp. 20229-20257 .

hdl:10013/epic.37711

Article

Lampert, A. , Ehrlich, A. , Doernbrack, A. , Jourdan, O. , Gayet, J. F. , Mioche, G. , Shcherbakov, V. , Ritter, C. and Wendisch, M. (2008)
Airborne Observations of a Subvisible Midlevel Arctic Ice Cloud: Microphysical and Radiative Characterization ,

in preparation for Atmospheric Chemistry and Physics, Special Issue ASTAR. .

hdl:10013/epic.34639

Article

Pornsawad, P. , Böckmann, C. , Ritter, C. and Rafler, M. (2008)
Ill-posed retrieval of aerosol extinction coefficient profiles from Raman lidar data by regularization ,

Applied Optics, 47 (10), p. 1649 .

doi:https://www.doi.org/10.1364/ao.47.001649 , hdl:10013/epic.31562

Article

Fromm, M. , Shettle, E. P. , Fricke, K. H. , Ritter, C. , Trickl, T. , Giehl, H. , Gerding, M. , Barnes, J. E. , O'Neill, M. , Massie, S. T. , Blum, U. , McDermid, I. S. , Leblanc, T. and Deshler, T. (2008)
Stratospheric impact of the Chisholm pyrocumulonimbus eruption: 2. Vertical profile perspective ,

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 113, D08203. .

doi:10.1029/2007JD009147 , hdl:10013/epic.31563

Article

Stachlewska, I. S. , Ritter, C. and Neuber, R.

(2005)
Application of the two-stream inversion algorithm for retrieval of extinction, backscatter, and lidar ratio for clean and polluted Arctic air ,

Proceedings of SPIE Volume: 5984 Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing Editor(s): Upendra N. Singh Publication Date: Oct 2005,Vol. 5984, pp. 15-22 .

hdl:10013/epic.24632

Article

Ritter, C. , Notholt, J. , Fischer, J. and Rathke, C. (2005)
Direct thermal radiative forcing of tropospheric aerosol in the Arctic measured by ground based infrared spectrometry ,

Geophysical Research Letters, 32 (23), pp. 1-4 .

doi:https://www.doi.org/10.1029/2005gl024331 , hdl:10013/epic.24292

Article

Ritter, C. , Kische, A. and Neuber, R.

(2004)
Tropospheric Aerosol characterized by a Raman Lidar over Spitsbergen ,

Reviewed and revised papers presented at the 22nd International Laser Radar Conference (ILRC 2004) : 12 - 16 July 2004, Matera, Italy / European Space Agency. Gelsomina Pappalardo ..., ed. Noordwijk : ESA Publications Div., 459-462. (ESA SP ; 561, Buch) .

hdl:10013/epic.22098

Article

Gerding, M. , Ritter, C. , Müller, M.

and Neuber, R.

(2004)
Tropospheric water vapour soundings by lidar at high Arctic latitudes ,

Atmospheric research, 71 , pp. 289-302 .

doi:10.1016/j.atmosres.2004.07.002 , hdl:10013/epic.21889

Article

Ritter, C. , Neuber, R.

and Gerding, M. (2002)
Ocurrence and optical properties of tropospheric aerosol ,

The changing physical environment : proceedings from the sixth Ny-Ålesund International Scientific Seminar : Polar Environmental Centre, Tromsø, NorwayOctober 2002 / editors: Jon Børre Ørbæk ... [et al.]. Tromsø : Norsk polarinstitutt, 85-88. (Internrappo, 8 .

hdl:10013/epic.22099

Article

Gerding, M. , Ritter, C. and Neuber, R.

(2002)
Tropospheric water vapour observations by ground-based lidar ,

NPI Report Series, 10,77-80, Norsk Polarinstitutt, Tromsø, Norway .

hdl:10013/epic.16314

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Book

Neuber, R.

, Maturilli, M.

, von der Gathen, P.

, Herber, A.

, Rex, M.

, Ritter, C. , Notholt, J. , Palm, M. and Deutscher, N. (2014)
Atmosphärische Messungen an der AWIPEV Station auf Spitzbergen / Lozán, J. L. , Graßl, H. , Notz, D. and Piepenburg, D. (editors) ,

(Warnsignal Klima ; 14), Hamburg, Wiss. Auswertungen, 6 p., ISBN: 978-3-9809668-6-3 .

hdl:10013/epic.43278

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Inbook

Schulz, A.

, Jocher, G. , Ritter, C. , Maturilli, M.

, Burgemeister, S. and Neuber, R.

(2013)
Current and future boundary layer measurements at AWIPEV ,

In: 11th Ny-Alesund Science Managers Committee Seminar; National Research Council of Italy, Rome, Italy, 9 - 11 October 2013 ; abstracts, (Publications. Department of Earth System Science and Environmental Technologies (DTA). CNR), Rome, Italy, CNR-DTA, 122 p., ISBN: ISSN 2239-5172 .

hdl:10013/epic.44488

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Inbook

Neuber, R.

, Maturilli, M.

, Ritter, C. , Rex, M.

, von der Gathen, P.

, Boike, J.

and Kopsch, C. (2013)
Overview of Monitoring activities at AWIPEV Base ,

In: 11th Ny-Alesund Science Managers Committee Seminar; National Research Council of Italy, Rome, Italy, 9 - 11 October 2013 ; abstracts, (Publications. Department of Earth System Science and Environmental Technologies (DTA). CNR), Rome, Italy, CNR-DTA, 122 p., ISBN: ISSN 2239-5172 .

hdl:10013/epic.44486

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Inbook

Ritter, C. , Neuber, R.

and Herber, A.

(2013)
Remote sensing measurements at AWIPEV for an aerosol closure experiment ,

In: 11th Ny-Alesund Science Managers Committee Seminar; National Research Council of Italy, Rome, Italy, 9 - 11 October 2013 ; abstracts, (Publications. Department of Earth System Science and Environmental Technologies (DTA). CNR), Rome, Italy, CNR-DTA, 122 p., ISBN: ISSN 2239-5172 .

hdl:10013/epic.44487

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Inbook

Burgemeister, S. , Ritter, C. , Maturilli, M.

, Neuber, R.

and Schulz, A.

(2013)
WindLIDAR measurements in the Arctic boundary layer ,

In: 11th Ny-Alesund Science Managers Committee Seminar; National Research Council of Italy, Rome, Italy, 9 - 11 October 2013 ; abstracts, (Publications. Department of Earth System Science and Environmental Technologies (DTA). CNR), Rome, Italy, CNR-DTA, 122 p., ISBN: ISSN 2239-5172 .

hdl:10013/epic.44482

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Conference -Talk

Ritter, C.

(2020)
Summary of lidar and star-photometer measurments in Ny-Alesund during the moon-photometer intercomparison campaign ,

moon photometer intercomparison campaign, Ny-Alesund, 12 February 2020 - 13 February 2020 .

hdl:10013/epic.90b268a2-7b78-4718-9a88-775812a4349a

[thumbnail of Moonphotometer-intercomparison.pdf]

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Conference -Talk

Ritter, C.

and Graßl, S. (2019)
Long-term decline of spring AOD in Ny-Alesund ,

Svalbard Science Conference, Hotel Fornebu, Oslo, 5 November 2019 - 6 November 2019 .

hdl:10013/epic.ee62a4e0-2155-4fb4-ad6d-f560c1742037

[thumbnail of Haze_Longterm_decline.pdf]

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Conference -Poster

Nakoudi, K. , Böckmann, C. , Ritter, C. , Pefanis, V.

, Maturilli, M.

, Bracher, A.

and Neuber, R.

(2019)
Aerosol investigation during the Arctic Haze season 2018 Optical, Microphysical and Radiative properties ,

29th International Laser Radar Conference, Hefei, Anhui, China, 24 June 2019 - 28 June 2019 .

hdl:10013/epic.cb7f358f-b7b0-4d1d-906b-183185d0a809

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Conference -Invited talk

Ritter, C.

and Graßl, S. (2019)
Photometer and lidar measurements in Spitsbergen ,

Polar AOD retreat, North Canaan, Connecticut, 15 May 2019 - 17 May 2019 .

hdl:10013/epic.3ea01378-1417-4e5e-bb9a-61560567c4e4

[thumbnail of Photometer_Lidar_NorthCanaan.pdf]

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Conference -Invited talk

Ritter, C.

(2019)
Properties (and open questions) of Arctic Haze observed by lidar in Ny-Alesund, Spitsbergen ,

meteorologisches Kolloquium, Leipzig, Leipzig, 30 April 2019 - unspecified .

hdl:10013/epic.df9563fc-b8bb-4e43-830d-3ac31710dadf

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Conference -Poster

Nakoudi, K. , Ritter, C. , Neuber, R.

and Maturilli, M. (2019)
Investigation of aerosol optical properties in the European Arctic using Lidar remote sensing technique ,

European Geisciences Union General Assembly 2019, Vienna, Austria, 7 April 2019 - 12 April 2019 .

doi:10.13140/RG.2.2.32322.22721 , hdl:10013/epic.c9db8724-85c9-4777-b652-4eedadc20a7a

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Conference -Poster

Nakoudi, K. , Ritter, C. , Neuber, R.

and Müller, K. J. (2018)
Optical Properties of Arctic Aerosol during PAMARCMiP 2018 ,

Ny-Alesund Atmosphere Flagship Workshop, Potsdam, 15 October 2018 - 19 October 2018 .

hdl:10013/epic.936feb5d-04a6-47a9-90c8-9ce942189f1c

[thumbnail of poster_Flagship_ResearchGate.pdf]

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Conference -Paper

Böckmann, C. , Ritter, C. and Ortiz-Amezcua, P. (2018)
Arctic biomass burning aerosol event–microphysical property retrieval ,

EPJ Web of Conferences

doi:https://www.doi.org/10.1051/epjconf/201817605023 , hdl:10013/epic.36535e66-2a38-4c1e-83de-fdbdc12eb8b1

[thumbnail of BoeckmannRitterOrtiz_ilrc28.pdf]

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Conference -Paper

Stachlewska, I. S. , Ritter, C. , Böckmann, C. and Engelmann, R. (2018)
Properties of arctic haze aerosol from lidar observations during iarea 2015 campaign on spitsbergen ,

EPJ Web of Conferences

doi:https://www.doi.org/10.1051/epjconf/201817605024 , hdl:10013/epic.0fe5211a-3208-42da-91d4-0416849f905c

[thumbnail of Stachlewskaetal_ilrc28.pdf]

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Conference -Talk

Ritter, C. (2014)
Recent Lidar measurements from AWIPEV ,

iAREA Polar Meeting, Sopot (Poland), 23 October 2014 - 24 October 2014 .

hdl:10013/epic.45106

[thumbnail of Lidarsystems_NyAlesund_2014_Sopot.pdf]

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Conference -Talk

Schmidt, L. , Neuber, R.

, Ritter, C. , Maturilli, M.

, Dethloff, K. and Herber, A.

(2014)
Aerosol optical properties in the ABL over arctic sea ice from airborne aerosol lidar measurements ,

EGU General Assembly, Vienna, 27 April 2014 - 2 May 2014 .

hdl:10013/epic.43984

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Conference -Poster

Baibakov, K. , O'Neill, N. , Ivanescu, L. , Perro, C. , Ritter, C. , Herber, A.

, Duck, T. J. , Schulz, K. H. and Schrems, O. (2013)
Early-spring aerosol characterization across multiple Arctic stations ,

EGU General Assembly, 7 April 2013 - 12 April 2013 .

hdl:10013/epic.43283

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Conference -Poster

Baibakov, K. , O'Neill, N. , Ivanescu, L. , Perro, C. , Ritter, C. , Herber, A.

, Duck, T. J. , Schulz, K. H. and Schrems, O. (2012)
Synchronized Starphotometry and Lidar measurements in the High Arctic ,

26th International Laser Radar Conference, Porto Heli, Greece, 25 June 2012 - 29 June 2012 .

hdl:10013/epic.43286

[thumbnail of baibakov_ilrc12_21juin12_final.pdf]

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Conference -Poster

Jocher, G. , Karner, F. , Ritter, C. , Neuber, R.

, Dethloff, K. , Obleitner, F. , Reuder, J. and Foken, T. (2012)
The near-surface small-scale spatial and temporal variability of sensible and latent heat exchange in the Svalbard region: a case study ,

EGU General Assembly 2012, Vienna, 22 April 2012 - 27 April 2012 .

hdl:10013/epic.39521

[thumbnail of Poster_EGU_2012_Jocher_2.pdf]

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Conference -Talk

Baibakov, K. , O'Neill, N. , Herber, A.

, Ivanescu, L. , Ritter, C. , Duck, T. , Schulz, K. H. , Schrems, O. and Perro, C. (2011)
Interpretative synergy of starphotometry and lidar measurements at two High-Arctic stations during Polar Winter of 2010-11. ,

AGU Fall Meeting, San Francisco, 5 December 2011 - 9 December 2011 .

hdl:10013/epic.39651

[thumbnail of AGU_Fall2011_Baibakov-Talk.pdf]

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Conference -Poster

Baibakov, K. , O'Neill, N. , Herber, A.

, Ritter, C. , Schulz, K. H. and Schrems, O. (2011)
Starphotometry at two High Arctic stations ,

EGU General Assemply, 4-8April, Vienna, Austria. .

hdl:10013/epic.37413

Conference -Talk

Hoffmann, A. , Ritter, C. , Stock, M. , Maturilli, M.

, Herber, A.

and Neuber, R.

(2010)
Comparison study of stratospheric volcanic aerosol layers in 2008 and 2009 detected by means of LIDAR in the Arctic ,

Oslo Science Conference 8-12 June 2010 T2-2 Troposphere and stratosphere dynamics and processes and their links with climate. .

hdl:10013/epic.35702

Conference -Conference paper

Ritter, C. , Hoffmann, A. and Neuber, R.

(2010)
Properties of Arctic aerosol measured during PAM-ARCMIP campaign ,

25th International Laser Radar Conference 5.-9. July, 2010, St. Petersburg. .

hdl:10013/epic.36565

Conference -Conference paper

Hoffmann, A. , Ritter, C. , Neuber, R.

, Beninga, I. and Schmid, J. (2010)
A Redesigned Raman Lidar for Cloud and Aerosol Profiling in the Arctic ,

2010 International Laser Radar Conference (ILRC25) 5-9 July 2010, St.Petersburg, Russia. .

hdl:10013/epic.35703

Conference -Conference paper

Ritter, C. , Hoffmann, A. , Osterloh, L. and Böckmann, C. (2008)
Estimation of the Liquid Water Content of a low level Arctic winter cloud ,

24th International Laser Radar Conference, 23-27June 2008 Boulder, Colorado .

hdl:10013/epic.31561

Conference -Conference paper

Ritter, C. , Neuber, R.

and Stachlewska, I. (2006)
Application of the two-stream evaluation for a case study of Arctic Haze over Spitsbergen ,

Reviewed and Revised Papers Presented at the 23rd International Laser Rarar Conference 24 - 28 July 2006, Nara, Japan .

hdl:10013/epic.31555

Conference -Invited talk

Ritter, C. (2006)
Direct radiative forcing of aerosol ,

SPAC (Short living pollutants & Arctic climate) Konferenz in Oslo.11.2006. .

hdl:10013/epic.33615

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Conference -Conference paper

Böckmann, C. , Kirsche, A. and Ritter, C. (2006)
Methods for the retrieval of microphysical aerosol parameters from optical data ,

Reviewed and Revised papers presented at the 23rd International Laser Radar Conference 24 - 28 July 2006, Nara, Japan .

hdl:10013/epic.31556

Conference -Invited talk

Ritter, C. (2006)
"Something more on lidars" ;"Optical aerosol measurements at Spitsbergen" ; "Inversion of lidar data - retrieval of microphysical parameters" ,

CESSAR (Center of Excellence in small scale atmospheric research) Sommerschule in Jastarnia, Polen 17. - 21. 6. 2006. .

hdl:10013/epic.33616

Conference -Invited talk

Ritter, C. (2005)
Lidar Observations in the Arctic ,

PEP Sommerschule Juli 2005, Bremen. .

hdl:10013/epic.33624

Conference -Talk

Stachlewska, I. , Gayet, J. F. , Ritter, C. , Jourdan, O. , Neuber, R.

, Duroure, C. , Schwarzenböck, A. and Shcherbakov, V. (2005)
Microphysical and optical properties of mixed-phase clouds and aerosols obtained from lidar and in-situ alternated airborne measurements in the Arctic ,

12. SPIE Konferenz 12th SPIE International Symposium on Remote Sensing (Remote Sensing of Clouds and the Atmosphere X), Brüssel, Belgien 19.-22.9.2005. .

hdl:10013/epic.24636