Jun.-Prof. Dr. Lars Kaleschke

Professor im Amt eines Juniorprofessors
University of Hamburg
Institute of Oceanography (IfM) Bundesstr.
ZMAW 1st. floor, room 142
+49 (0) 40 / 42838 6518

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

• http://www.ifm.zmaw.de/de/mitarbeiter/prof-dr-lars-kaleschke/

Courses

Sommersemester 2010

• WISS-V Wissenschaftliches Arbeiten

• Processes and observations 2

• Sea ice 2 - An introduction to sea ice modeling (ocean-atmosphere-ice interaction)

Wintersemester 2010

• Sea ice

• Open Source Scripting for Geo-Scientific Data Processing and Analysis

Sommersemester 2009

• Wissenschaftliches Arbeiten

• Meereis im Klimasystem/Meereis Modellierung zusammen mit Aike Beckmann

• Satellite Image Processing and Analysis

Wintersemester 2008

• Scientific Programming with Python for Satellite Image Processing (LV 63-725/726)

• Meereis im Klimasystem - (LV 63-721/722)

Sommersemester 2008

• SatelliteImageAnalysis

• SeminarCryosphere

Publications

2010

• Mahajan, A. et al., Evidence of reactive iodine chemistry in the Arctic boundary layer, submitted
• Rösel, A., Kaleschke L., Comparison of different retrieval techniques for melt ponds on Arctic sea ice from Landsat and MODIS satellite data, Ann. Glac., submitted

• 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, in press 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, in press 2010.
• Maaß, N., L. Kaleschke, Improving passive microwave sea ice concentration algorithms for coastal areas - Applications to the Baltic Sea, Tellus A , in press 2010.

2009

• M. Begoin et al., Satellite observations of long range transport of a large BrO cloud in the Arctic, acp-2009-508, submitted

• 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 Discuss., 3, 995-1022, 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

• 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-Atmos\-phere Interaction Analysis. Can. J. Remote Sensing 27,5, 526-537, 2001.

Selected grey publications

• 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

• 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

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

Group

• Sea Ice Group

/Intern

Projects

• DFG - CLISAP

• DFG -SFB 512 Teilprojekt E5

• DFG - SPP Antarktisforschung AICI

• NERC - OASIS COBRA

• ESA - SMOS Ice, siehe Kaleschke et al. 2009

• AWI - MELTEX

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