Prof. Dr. Lars Kaleschke

Prof. Dr. Lars Kaleschke. KlimaCampus, Universität Hamburg/Foto: D. Ausserhofer

University of Hamburg
Institute of Oceanography (IfM)
Bundesstr. 53, 20146 Hamburg
ZMAW ground floor, room 16
+49 (0) 40 / 42838 6518

My e-mail adress: <lars DOT kaleschke AT SPAMFREE zmaw DOT de>

• Sea Ice Remote Sensing Group

Courses

• https://wiki.zmaw.de/lehre

Publications

2016

• [[http://www.seaice.de/Kaleschke_RSE_2016_final.pdf

|Lars Kaleschke, Xiangshan Tian-Kunze, Nina Maaß, Alexander Beitsch, Andreas Wernecke, Maciej Miernecki, Gerd Müller, Björn H. Fock, Andrea M.U. Gierisch, K. Heinke Schlünzen, Thomas Pohlmann, Mikhail Dobrynin, Stefan Hendricks, Jölund Asseng, Rüdiger Gerdes, Peter Jochmann, Nils Reimer, Jürgen Holfort, Christian Melsheimer, Georg Heygster, Gunnar Spreen, Sebastian Gerland, Jennifer King, Niels Skou, Sten Schmidl Søbjærg, Christian Haas, Friedrich Richter, Tânia Casal, SMOS sea ice product: Operational application and validation in the Barents Sea marginal ice zone, Remote Sensing of Environment, Volume 180, July 2016, Pages 264-273, ISSN 0034-4257, http://dx.doi.org/10.1016/j.rse.2016.03.009.]]

• Mecklenburg, S., M. Drusch, Y. Kerr, J. Font, N. Reul, M. Martin-Neira, R. Oliva, E. Daganzo-Eusebio, J. Fauste, L. Kaleschke, N. Rodriguez-Fernandez, P. de Rosnay, G. Macelloni, J. Munoz-Sabater, K. Rautiainen, J.P. Grant, N. Verhoest, H. Lievens, P. Richaume, R. Sabia, S. Delwart, R. Crapolicchio, A. de la Fuente, M. Kornberg, ESA’s Soil Moisture and Ocean Salinity Mission: from science to operational applications, Remote Sensing of Environment, SMOS 5 Years Special Issue, doi:10.1016/j.rse.2015.12.025

• Blechschmidt, A.-M., Richter, A., Burrows, J. P., Kaleschke, L., Strong, K., Theys, N., Weber, M., Zhao, X., and Zien, A.: An exemplary case of a bromine explosion event linked to cyclone development in the Arctic, Atmos. Chem. Phys., 16, 1773-1788, doi:10.5194/acp-16-1773-2016, 2016.

2015

• Wernecke, A. and Kaleschke, L.: Lead detection in Arctic sea ice from CryoSat-2: quality assessment, lead area fraction and width distribution, The Cryosphere, 9, 1955-1968, doi:10.5194/tc-9-1955-2015, 2015.

• Blechschmidt, A.-M., Richter, A., Burrows, J. P., Kaleschke, L., Strong, K., Theys, N., Weber, M., Zhao, X., and Zien, A.: An exemplary case of a bromine explosion event linked to cyclone development in the Arctic, Atmos. Chem. Phys. Discuss., 15, 24955-24993, doi:10.5194/acpd-15-24955-2015, 2015.

• Kaleschke, L. Tian-Kunze, X., Maaß, N., Ricker, R., Hendricks, S., Drusch, M., Improved retrieval of sea ice thickness from SMOS and Cryosat-2, 2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Milan, 2015, pp. 5232-5235.doi: 10.1109/IGARSS.2015.7327014

• Wernecke, A. and Kaleschke, L.: Lead detection in Arctic sea ice from CryoSat-2: quality assessment, lead area fraction and width distribution, The Cryosphere Discuss., 9, 2167-2200, doi:10.5194/tcd-9-2167-2015, 2015.

• Gabrielski, A., G. Badin, L. Kaleschke (2015), Anomalous dispersion of sea ice in the Fram Strait region, JGR Oceans, DOI: 10.1002/2014JC010359

• Beitsch, A., S. Kern, L. Kaleschke (2015) Comparison of SSM/I and AMSR-E Sea Ice Concentrations With ASPeCt Ship Observations Around Antarctica, IEEE Trans. Geosc. Rem. Sens. 53(4),10.1109/TGRS.2014.2351497, April 2015

• Maaß, N., Kaleschke, L., Tian-Kunze, X., Mäkynen, M., Drusch, M., Krumpen, T., Hendricks, S., Lensu, M., Haapala, J., & Haas, C. (2015). Validation of SMOS sea ice thickness retrieval in the northern Baltic Sea. Tellus A, 67. doi:http://dx.doi.org/10.3402/tellusa.v67.24617

• Maaß, N., Kaleschke, L., Tian-Kunze, X., and Tonboe, R.: Snow thickness retrieval from L-band brightness temperatures: A model comparison, Annals of Glaciology 56(69), doi: 10.3189/2015AoG69A886, 2015

2014

• Yang, Q., S, Loza , M. Losch , X. Tian-Kunze , L. Nerger , J. Liu , L. Kaleschke , Z. Zhang, Assimilating SMOS sea ice thickness into a coupled ice-ocean model using a local SEIK filter, J. Geophysical Research, DOI: 10.1002/2014JC009963, 2014

• Tian-Kunze, X., Kaleschke, L., Maaß, N., Mäkynen, M., Serra, N., Drusch, M., and Krumpen, T.: SMOS-derived thin sea ice thickness: algorithm baseline, product specifications and initial verification, The Cryosphere, 8, 997-1018, doi:10.5194/tc-8-997-2014, 2014.

• Bröhan, D.; Kaleschke, L. A Nine-Year Climatology of Arctic Sea Ice Lead Orientation and Frequency from AMSR-E. Remote Sens. 2014, 6, 1451-1475.

• Beitsch, A.; Kaleschke, L.; Kern, S. Investigating High-Resolution AMSR2 Sea Ice Concentrations during the February 2013 Fracture Event in the Beaufort Sea. Remote Sens. 2014, 6, 3841-3856.

• Huntemann, M., Heygster, G., Kaleschke, L., Krumpen, T., Mäkynen, M., and Drusch, M.: Empirical sea ice thickness retrieval during the freeze-up period from SMOS high incident angle observations, The Cryosphere, 8, 439-451, doi:10.5194/tc-8-439-2014, 2014.

2013

• Huntemann, M., Heygster, G., Kaleschke, L., Krumpen, T., Mäkynen, M., and Drusch, M.: Empirical sea ice thickness retrieval during the freeze up period from SMOS high incident angle observations, The Cryosphere Discuss., 7, 4379-4405, doi:10.5194/tcd-7-4379-2013, 2013.

• Maaß, N., Kaleschke, L., Tian-Kunze, X., and Drusch, M.: Snow thickness retrieval over thick Arctic sea ice using SMOS satellite data, The Cryosphere, 7, 1971-1989, doi:10.5194/tc-7-1971-2013, 2013.

• Maaß, N., Kaleschke, L., Tian-Kunze, X., and Drusch, M.: Snow thickness retrieval over thick Arctic sea ice using SMOS satellite data, The Cryosphere Discuss., 7, 3627-3674, doi:10.5194/tcd-7-3627-2013, 2013.

• Tian-Kunze, X., Kaleschke, L., Maaß, N., Mäkynen, M., Serra, N., Drusch, M., and Krumpen, T.: SMOS derived sea ice thickness: algorithm baseline, product specifications and initial verification, The Cryosphere Discuss., 7, 5735-5792, doi:10.5194/tcd-7-5735-2013, 2013.

• Rösel, Anja; Kaleschke, Lars; Kern, Stefan (2013): Gridded Melt Pond Cover Fraction on Arctic Sea Ice derived from TERRA-MODIS 8-day composite Reflectance Data. World Data Center for Climate. doi:10.1594/WDCC/MODIS__Arctic__MPF]

• Lüpkes, C., V. M. Gryanik, A. Rösel, G. Birnbaum, and L. Kaleschke (2013), Effect of sea ice morphology during Arctic summer on atmospheric drag coefficients used in climate models, Geophys. Res. Lett., 40, 446–451, doi:10.1002/grl.50081.

• Tetzlaff, A., L. Kaleschke, C. Lüpkes, F. Ament, and T. Vihma (2013), The impact of heterogeneous surface temperatures on the 2-m air temperature over the Arctic Ocean under clear skies in spring, The Cryosphere, 7, 153-166, 2013

2012

• Tetzlaff, A., Kaleschke, L., Lüpkes, C., Ament, F., and Vihma, T.: The impact of heterogeneous surface temperatures on the 2-m air temperature over the Arctic Ocean in spring, The Cryosphere Discuss., 6, 3011-3048, doi:10.5194/tcd-6-3011-2012, 2012.

• Zygmuntowska, M., Mauritsen, T., Quaas, J., and Kaleschke, L.: Arctic Clouds and Surface Radiation – a critical comparison of satellite retrievals and the ERA-Interim reanalysis, Atmos. Chem. Phys., 12, 6667-6677, doi:10.5194/acp-12-6667-2012, 2012.

• Schönhardt, A., Begoin, M., Richter, A., Wittrock, F., Kaleschke, L., Gómez Martín, J. C., and Burrows, J. P.: Simultaneous satellite observations of IO and BrO over Antarctica, Atmos. Chem. Phys., 12, 6565-6580, doi:10.5194/acp-12-6565-2012, 2012.

• Rösel, A., Kaleschke, L., and Birnbaum, G.: Melt ponds on Arctic sea ice determined from MODIS satellite data using an artificial neural network, The Cryosphere, 6, 431-446, doi:10.5194/tc-6-431-2012, 2012.

• Rösel, A., and L. Kaleschke (2012), Exceptional melt pond occurrence in the years 2007 and 2011 on the Arctic sea ice revealed from MODIS satellite data, J. Geophys. Res., 117, C05018, doi:10.1029/2011JC007869.

• Röhrs, J., Kaleschke, L., Bröhan, D., and Siligam, P. K.: Corrigendum to "An algorithm to detect sea ice leads by using AMSR-E passive microwave imagery" published in The Cryosphere, 6, 343–352, 2012, The Cryosphere, 6, 365-365, doi:10.5194/tc-6-365-2012, 2012.

• Röhrs, J. and Kaleschke, L.: An algorithm to detect sea ice leads by using AMSR-E passive microwave imagery, The Cryosphere, 6, 343-352, doi:10.5194/tc-6-343-2012, 2012.

• Kaleschke, L., X. Tian-Kunze, N. Maaß, M. Mäkynen, and M. Drusch (2012), Sea ice thickness retrieval from SMOS brightness temperatures during the Arctic freeze-up period, Geophys. Res. Lett., doi:10.1029/2012GL050916

• M. Shokr, L. Kaleschke, Impact of Surface Conditions on Thin Sea Ice Concentration Estimate from Passive Microwave Observations, Remote Sensing of Environment 121 (2012) 36–50

• Nghiem, S. V. V., I. G. G. Rigor, A. Richter, J. P. P. Burrows, P. B. B. Shepson, J. W. Bottenheim, D. G. G. Barber, A. Steffen, J. R. Latonas, F. Wang, G. A. Stern, P. Clemente-Colon, S. Martin, D. K. K. Hall, L. Kaleschke, P. J. Tackett, G. Neumann, and M. G. G. Asplin (2012), Field and satellite observations of the formation and distribution of Arctic atmospheric bromine above a rejuvenated sea ice cover, J. Geophys. Res., 117, D00S05, doi:10.1029/2011JD016268.

2011

• Schönhardt, A., Begoin, M., Richter, A., Wittrock, F., Kaleschke, L., Gómez Martín, J. C., and Burrows, J. P.: Simultaneous satellite observations of IO and BrO over Antarctica, Atmos. Chem. Phys. Discuss., 11, 33651-33688, doi:10.5194/acpd-11-33651-2011, 2011.

• Zygmuntowska, M., Mauritsen, T., Quaas, J., and Kaleschke, L.: Arctic clouds and surface radiation – a critical comparison of satellite retrievals and the ERA-interim reanalysis, Atmos. Chem. Phys. Discuss., 11, 31495-31522, doi:10.5194/acpd-11-31495-2011, 2011.

• Rösel, A., Kaleschke, L., and Birnbaum, G.: Melt ponds on Arctic sea ice determined from MODIS satellite data using an artificial neural network, The Cryosphere Discuss., 5, 2991-3024, doi:10.5194/tcd-5-2991-2011, 2011 accepted for TC

• Rösel, A., Kaleschke L., Comparison of different retrieval techniques for melt ponds on Arctic sea ice from Landsat and MODIS satellite data, Annals of Glaciology 52(57) 2011

2010

• Kaleschke, L., Maaß, N., Haas, C., Hendricks, S., Heygster, G., and Tonboe, R. T.: A sea-ice thickness retrieval model for 1.4 GHz radiometry and application to airborne measurements over low salinity sea-ice, The Cryosphere, 4, 583-592, doi:10.5194/tc-4-583-2010, 2010.

• Begoin, M., Richter, A., Weber, M., Kaleschke, L., Tian-Kunze, X., Stohl, A., Theys, N., and Burrows, J. P.: Satellite observations of long range transport of a large BrO plume in the Arctic, Atmos. Chem. Phys., 10, 6515-6526, doi:10.5194/acp-10-6515-2010, 2010.

• Mahajan, A. S., M. Shaw, H. Oetjen, K. E. Hornsby, L. J. Carpenter, L. Kaleschke, X. Tian-Kunze, J. D. Lee, S. J. Moller, P. Edwards, R. Commane, T. Ingham, D. E. Heard, and J. M. C. Plane (2010), Evidence of reactive iodine chemistry in the Arctic boundary layer, J. Geophys. Res.,115, D20303, doi:10.1029/2009JD013665

• Röhrs, J. and Kaleschke, L.: An algorithm to detect sea ice leads using AMSR-E passive microwave imagery, The Cryosphere Discuss., 4, 183-206, 2010

• Tiedje, B., A. Moll, L. Kaleschke, Comparison of temporal and spatial structures of chlorophyll derived from MODIS satellite data and ECOHAM3 model data in the North Sea, Journal of Sea Research, 64(3), 250-259, doi:10.1016/j.seares.2010.03.003, 2010
• Kern, S., L. Kaleschke, G. Spreen, Variability of the Nordic Seas ice cover derived from satellite microwave radiometry at 85 GHz: 1992-2008, Tellus A, Volume 62, Issue 4, Pages: 411–434, 2010
• Maaß, N., L. Kaleschke, Improving passive microwave sea ice concentration algorithms for coastal areas - Applications to the Baltic Sea, Tellus A, Volume 62, Issue 4, Pages: 393–410, 2010

2009

• Heygster, G., H. Wiebe, G. Spreen, L. Kaleschke 2009: AMSR-E Geolocation and Validation of Sea Ice Concentrations based on 89 GHz Data. J. of the Remote Sensing Soc. of Japan 29,1, 226-235.

• Kern, S., M. Brath, R. Fontes, M. Gade, K.-W. Gurgel, L. Kaleschke, G. Spreen, S. Schulz, A. Winderlich, and D. Stammer, "Multi3Scat - A helicopter-based scatterometer for snow-cover and sea-ice investigations", Geosci. Rem. Sens. Lett., 6(4), DOI: 10.1109/LGRS.2009.2023823, 2009

• Bauernfeind, E., E.-M. Nöthig, A. Beszczynska, K. Fahl, L. Kaleschke, K. Kreker, M. Klages, T. Soltwedel, C. Lorenzen, and J. Wegner, "Particle sedimentation patterns in the eastern Fram Strait during 2000-2005: Results from the arctic long-term observatory Hausgarten", Deep-Sea Res. I, DOI: 10.1016/j.dsr.2009.04.011, 2009
• Dmitrenko, I. A., S. A. Kirillov, V. V. Ivanov, R. A. Woodgate, I. V. Polyakov, N. Koldunov, L. Fortier, C. Lalande, L. Kaleschke, D. Bauch, J. A. Hölemann, and L. A. Timokhov, "Seasonal modification of the Arctic Ocean intermediate water layer off the eastern Laptev Sea continental shelf break", J. Geophys. Res., 114, C06010, DOI: 10.1029/2008JC005229, 2009
• Lammert A., B. Brümmer, L. Kaleschke , "Observation of cyclone-induced inertial sea-ice oscillation in Fram Strait", Geophys. Res. Lett., 36, L10503, DOI: 10.1029/2009GL037197, 2009
• Morin, S., J. Savarino, M. Frey, F. Domine, H.-W. Jacobi, L. Kaleschke, and J. M. F. Martins, "Comprehensive isotopic composition of atmospheric nitrate in the Atlantic Ocean boundary layer from 65S to 79N", J. Geophys. Res, DOI: 10.1029/2008JD010696R, 2009

• Zhao, T. L., S.L. Gong, J. W. Bottenheim, J. C. McConnell, R. Sander, L. Kaleschke, A. Richter, A. Kerkweg, K. Toyota, and L. A. Barrie, "A three dimensional model study on the production of BrO and Arctic boundary layer ozone depletion", J. Geophys. Res., DOI: 10.1029/2008JD010631, 2009

2008

• Mathew, N., G. Heygster, C. Melsheimer, L. Kaleschke, Surface emissivity of arctic sea ice at AMSU window frequencies, IEEE Trans. Geosc. Rem. Sens. 46(8), 2298-2306, 2008.
• Ferrari, C. P., C. Padova, X. Fain, P.A. Gauchard, A. Dommergue, K. Aspmo, T. Berg, W. Cairns, C. Barbante, P. Cescon, L. Kaleschke, A. Richter, F. Wittrock, C. Boutron, Atmospheric mercury depletion event stuy in Ny-Alesund (Svalbard) in spring 2005. Deposition and transformation of Hg in surface snow during springtime, Sci. Tot. Env. 397(1-3), 167-177, 2008.

• Spreen, G., L. Kaleschke, G. Heygster, Sea Ice Remote Sensing Using AMSR-E 89 GHz Channels, J. Geophys. Res., 113(C2), C02S03, 2008.

• Gascard, J.-C., J. Festy, H. le Goff, M. Weber, B. Bruemmer, M. Offermann, M. Doble, P. Wadhams, R. Forsberg, S. Hanson, H. Skourup, S. Gerland, M. Nicolaus, J.-P. Metaxian, J. Grangeon, J. Haapala, E. Rinne, C. Haas, G. Heygster, E. Jakobson, T. Palo, J. Wilkinson, L. Kaleschke, K. Claffey, B. Elder, J. Bottenheim, Exploring Arctic Transpolar Drift During Dramatic Sea Ice Retreat, Eos Trans. AGU, 89(3), doi:10.1029/2008EO030001, 2008.

2007

• Kern, S., G. Spreen, L. Kaleschke, S. De La Rosa Höhn, and G. Heygster, Polynya Signature Simulation Method polynya area in comparison to AMSR-E 89 GHz sea-ice concentrations in the Ross Sea and off the Adélie Coast, Antarctica, for 2002-05: first results, Ann. Glaciol. , 46, 409-418, 2007

• Simpson, W.R., R. von Glasow R, K. Riedel, P. Anderson, P. Ariya, J. Bottenheim, J. Burrows, L.J. Carpenter, U. Friess, M.E. Goodsite, D. Heard, M. Hutterli, H.W. Jacobi, L. Kaleschke, B. Neff, J. Plane, U. Platt, A. Richter, H. Roscoe, R. Sander, P. Shepson, J. Sodeau, A. Steffen, T. Wagner, E. Wolff, Halogens and their role in polar boundary-layer ozone depletion, Atm. Chem. Phy. 7(16), 4375-4418, 2007.

• Andersen, S., R. Tonboe, L. Kaleschke, G. Heygster, L.T. Pedersen, Intercomparison of passive microwave sea ice concentration retrievals over the high-concentration Arctic sea ice, J. Geophys. Res., 112(C8), C08004, 2007.

2006

• Sander, R., J. Burrows, L. Kaleschke, Carbonate precipitation in brine - a potential trigger for tropospheric ozone depletion events, Atm. Chem. Phys. 6, 4653-4658, 2006.

• Jacobi, H.-W., L. Kaleschke, A. Richter, A. Rozanow, J.P. Burrows, Observation of a fast ozone loss in the marginal ice zone of the Arctic Ocean, J. Geophy. Res. 111(D15), D15309, 2006.

2005

• Gauchard,P. A., K. Aspmo, C. Temme, A. Steffen, C. Ferrari, T. Berg, J. Str\"om, L. Kaleschke, A. Dommergue, E. Bahlmann, O. Magand, F. Planchon, R. Ebinghaus, C. Banic, S. Nagorski, P. Baussand, C. Boutron; Study of the Origin of Atmospheric Mercury Depletion Events recorded in Ny-Alesund, Svalbard, spring 2003, Atmos. Env. 39(39), 7620-7632, 2005.

2004

• Kaleschke, L., Richter, A., Burrows, J., Afe, O., Heygster, G., Notholt, J., Rankin, A. M., Roscoe, H. K., Hollwedel, J., Wagner, T., Jacobi, H. W., Frost flowers on sea ice as a source of sea salt and their influence on tropospheric halogen chemistry, Geophysical research letters, 31, L16114, DOI: 10.1029/2004GL020655, 2004.
• Kaleschke, L. and G. Heygster, Towards multisensor microwave remote sensing of frost flowers on sea ice. Annals of Glaciology, 39, 219-222, 2004.

2003

• Kern, S. and L. Kaleschke and D. A. Clausi, A Comparison of two 85 GHz SSM/I Ice Concentration Algorithms with AVHRR and ERS-SAR, IEEE Trans. Geosci. and Remote Sensing, 41(10), 2294-2306, 2003.

2001

• Kaleschke, L., C. Lüpkes, T. Vihma, J. Haarpaintner, A. Bochert, J. Hartmann, G. Heygster: SSM/I Sea Ice Remote Sensing for Mesoscale Ocean-Atmosphere Interaction Analysis. Can. J. Remote Sensing 27,5, 526-537, 2001.

Selected grey publications

• SMOSIce 2014, Final Report

• N. Reimer, Eisvorhersage und Eis-Routen-Optimierung : Entwicklung eines gekoppelten Eisvorhersage- und Routenoptimierungssystems, Abschlussbericht Förderkennzeichen BMBF 03SX328A-D - 03SX328F - 03SX328H - 03SX328Z. - Verbund-Nr. 01099785, HSVA u.a. 2015

• P. Jochmann, N. Reimer, L. Kaleschke, G. Müller, B.Fock, F. Kauker, J. Asseng, J. Holfort: Ice Routing Optimization IRO-2 Validation Trial, HSVA Newswave 2014/1

• Kaleschke, L., X. Tian-Kunze, N. Maaß, G. Heygster, M. Huntemann, H. Wang, S. Hendricks, T. Krumpen, R. Tonboe, M. Mäkynen, C. Haas: SMOS Sea Ice Retrieval Study (SMOSIce)", ESA Support To Science Element (STSE), Final Report ESA ESTEC Contract No.: 4000101476/10/NL/CT, 380 pages, Univ. Hamburg, Institute of Oceanography, 2013

• Deutscher Wetterdienst, 2013: Die deutschen Klimabeobachtungssysteme. Inventarbericht zum Global Climate Observing System (GCOS). Selbstverlag, DWD, Offenbach a. M., 130 Seiten.

• L. Kaleschke, R. Rickter, "Sea Ice Outlook 2013 - Sea Ice Thickness from CryoSat-2 and SMOS, Sea Ice Outlook, July 2013

• A. Beitsch, L. Kaleschke, G. Spreen, Sea ice outlook 2011 - Second lowest sea ice minimum in 2011, Sea Ice Outlook

• C. Lüpkes , T. Vihma , G. Birnbaum , S. Dierer , T. Garbrecht , V. M. Gryanik , M. Gryschka , J. Hartmann , G. Heinemann , L. Kaleschke , S. Raasch , H. Savijärvi , K. H. Schlünzen , and U. Wacker, "Mesoscale Modelling of the Arctic Atmospheric Boundary Layer and Its Interaction with Sea Ice", in "Arctic Climate Change - The ACSYS Decade and Beyond", P. Lemke, H.W. Jacobi (Eds), Springer, DOI 10.1007/978-94-007-2027-5, 2012

• Kaleschke, L., "Gletscher und Meereis - Wie lange noch?", in "Chemie über den Wolken ... und darunter", Herausgegeben von Reinhard Zellner und der Gesellschaft Deutscher Chemiker, Wiley-VCH, 2011

• Kaleschke, L., J. Hollwedel, A. Richter, J. Burrows, O. Afe, G. Heygster, J. Notholt, H.K. Roscoe, E. W. Wolff, X. Yang 2005: Boundary-layer ozone loss near the poles - why spring and not autumn? 2nd EGU assembly, Vienna, Austria; 2005

Outreach

• NDR Info, Logo - Das Wissenschaftsmagazin, 2. Mai 2014

• ARD Mittagsmagazin, 22. April 2014

• Erfolg in der Arktis: Wissenschaftler-Team gelingt Vermessung von „dünnem“ Eis Pressemitteilung 14. April 2014

• Big Data in Climate Research Deutsche Welle, January 5, 2014

• German Research 2/2013

• Langzeit-Trends in der Arktis, Klimalounge Blog, September 2013

• ESA satellites looking deeper into sea ice, ESA News 2012

• "Negativ-Rekord in der Arktis - was bedeutet das Meereis-Minimum für unser Klima?" Schattenblick Interview

• Neuer Negativ-Rekord in der Arktis – was bedeutet das Meereis-Minimum für unser Klima?, Pressekonferenz, September 2012

• SMOS versatility offers sea ice mapping, ESA News 2011

• Ice in the Arctic Ocean recedes dramatically for the fourth year in succession, joint press release KlimaCampus, AWI, Klimahaus Bremerhaven, September 2010

• Aktuelle Satellitendaten zeigen: Bereits einen Monat vor dem erwarteten Minimum geht das arktische Meereis rapide zurück, 2008

• Eisschmelze dramatischer als befürchtet, 2007

• Karbonatausfällung erklärt den Ozonabbau, 2007

• Eisblumen fördern den Ozonfraß, 2004

Conferences

Session chair, convener, organizer

2016

• CliSAP Workshop on Arctic and Permafrost

2015

• Major achievements using SMOS over Cryosphere, overview opening presentation at the 2nd SMOS SCIENCE CONFERENCE

• SMOS Sea Ice Product: Operational Application and Validation, presentation at the 2nd SMOS SCIENCE CONFERENCE

• 2nd SMOS SCIENCE CONFERENCE

2012

• Pressekonferenz - Deutschlands Klimaforscher informieren: Neuer Negativ-Rekord in der Arktis – Was bedeutet das Meereis-Minimum für unser Klima?

• ESA CliC EGU conference, ESRIN/Frascati, November 2012

• SMOSIce User Workshop, 17 February 2012, University of Hamburg

2011

• EGU, HS6.7 SMOS Data Exploitation: Beyond soil moisture and ocean salinity

2010

• A21 Oceanography, Cryosphere and Freshwater Flux to the Ocean Cryosphere, Polar Oceans and the IPY

• Klimawandel und Konflikte:Versicherheitlichung versus präventive Friedenspolitik? Arktis Forum

Projects

• 2015-2018 EU Horizon 2020 - SPICES - Space-borne observations for detecting and forecasting sea ice cover extremes

• 2014-2016 ESA - CryoSMOS

• 2014-2016 ESA - SMOS+ Sea Ice

• 2013-2017 DFG - CliSAP-2 Research Topic Arctic and Permafrost

• 2012-2017 HGF - Helmholtz Alliance Remote Sensing and Earth System Dynamics Fernerkundung und Dynamik des Erdsystems

• 2011-2014 BMWi - IRO-2 Eisvorhersage und Eis-Routen-Optimierung (Ice Forecast and Route Optimization)

• 2010-2016 ESA - ESA CCI Sea Ice

• 2007-2012 ESA - SMOSIce

• 2011-2015 BMBF MIKLIP Scale dependent parameterization of processes in the atmospheric boundary layer over arctic sea ice (SPARCS)

• 2011-2014 NASA - Implications of Arctic Sea Ice Reduction on Tropospheric Bromine, Ozone, and Mercury Chemical Processes, Transport, and Distribution

• 2007-2012 DFG - CLISAP and CLISAP Flexpool

• 2007-2009 DFG -SFB 512 Teilprojekt E5

• 2007-2009 DFG - Sea ice Atmosphere Lagrangian Transport of SALT

• 2007-2008 NERC - OASIS COBRA

• 2008 AWI - MELTEX

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