Poster und Vorträge 2012-2008

2012

Kohnemann, S., G. Heinemann, D. Schröder, S. Willmes and C. Koeberle, 2012: Investigation of regional sea ice budgets in the Arctic: the sea ice/ocean model NAOSIM compared with different CMIPS global climate models. Konferenz: Laptev Sea System December 17-20, 2012.

Adams S., S. Willmes, D. Schröder, G. Heinemann, T. Krumpen, 2012: Daily thin-ice thickness maps from MODIS thermal infrared imagery. Geoscience and Remote Sensing Symposium, 2012. IGARSS '12. Proceedings. 2012 IEEE International.

M. Hoppmann, M. Nicolaus, R. Timmermann, G. Heinemann, S. Willmes, S. Paul: Sea-Ice Mass Balance Influenced by Ice Shelves, DFG Priority Program Workshop, Jena, Germany, 2012

Ebner, L., D. Schröder, G. Heinemann, S. Adams, S. Willmes, M. Bauer and R. Timmermann: Coupled and Stand-alone High Resolution Simulations of Polynya Dynamics and Physical Processes in the Laptev Sea using the Sea ice – Ocean Model FESOM and the Atmosphere NWP Model COSMO. IPY Conference, Montréal, Canada, April 22-27, 2012.

Adams, S., D. Schröder, S. Willmes, Heinemann, G., 2012: Retrieval of thin-ice thickness distribution and ice production within the Laptev Sea polynya using a combined remote sensing. AGU Fall Meeting December 2012, San Francisco, California.

Heinemann, G., M. Bauer, L. Ebner, S. Willmes, 2012: Impacts of Arctic flaw polynyas on sea ice production and the atmospheric boundary layer. AGU Fall Meeting December 2012, San Francisco, California. http://fallmeeting.agu.org/2012/files/2012/11/Heinemann_COSMO_Poster.pdf

Drüe, C., P. Ney, G. Heinemann, A. Graf, and T. Pütz, 2012: Observation of atmosphere-forest exchange processes at the new TERENO site Wüstebach. AGU Fall Meeting December 2012, San Francisco, California. http://fallmeeting.agu.org/2012/files/2012/11/Druee_Wuestebach_Poster3.pdf

Heinemann, G., A. Preußer, 2012: A study of the dynamics of the North Water polynya using different satellite data sets and methods. ArcticNet Annual Scientific Meeting December 2012, Vancouver, Canada.

Heinemann, G., D. Schröder, S. Willmes, L. Ebner, S. Adams, M. Bauer, A. Helbig, H. Kassens, I. Dmitrenko, J. Hölemann, T. Krumpen, M. Janout, R. Spielhagen, D. Bauch, C. Wegener, L. Timokhov, S. Kirlliov, A. Makstash, M. Kulakov, S. Shutilin, 2012: The Laptev Sea polynya project: the Siberian perspective of the Circumpolar Flaw Lead System. ArcticNet Annual Scientific Meeting December 2012, Vancouver, Canada.

Willmes, S., Heinemann, G., 2012: Structure and Dynamics of Arctic Sea-Ice leads from MODIS Data. ESA Earth Observation and Cryosphere Science Conference, Frascati, Italy.

Adams, S., Willmes, S., Schröder, D., and Heinemann, G., 2012: The observation of the thin-ice thickness distribution within the Laptev Sea polynya using MODIS data. ESA Conference on Earth Observation and Cryospheric Science, Frascati, Italy, November 13-16, 2012.

Schefczyk, L., G. Heinemann, 2012: Climate change impact on thunderstorms: analysis of thunderstorm indices using high-resolution COSMO-CLM simulations. 7th CLM-Community Assembly 17-20 September 2012, Leuven, Belgium.

Gutjahr, O., Heinemann, G., 2012: Climate change of extremes in the Saar-Lor-Lux domain and Rhineland-Palatinate investigated with CCLM. 7th CLM Assembly, Leuven, Belgium, September 17 – 20, 2012.

Gutjahr, O., Heinemann, G.: Comparing bias correction methods for high-resolution COSMO-CLM daily precipitation fields. 2nd Conference on ”MODELLING HDROLOGY, CLIMATE AND LAND SURFACE PROCESSES”, Losby Gods, Oslo, September 10 – 12, 2012.

Gutjahr, O., G. Heinemann, 2012: Comparing parametric bias correction methods for daily COSMO-CLM precipitation fields - Effects on extreme values and climate change signal. 3. Trierer Workshop zur Niederschlag-Abfluss-Modellierung September 2012, Trier, Germany.

Heinemann, G., L. Ebner, R. Timmermann, V. Haid, 2012: Polynya formation and air/sea-ice/ocean interaction in the Weddell Sea region. SCAR Open Science Conference, Portland, Oregon.

Haid, V., R. Timmermann, G. Heinemann, L. Ebner, 2012: Dense shelf water formation at coastal polynyas in the Weddell Sea. SCAR Open Science Conference, Portland, Oregon.

Heinemann, G., 2012: FOOT – Quo vadis? Wissenschaftlicher Festvortrag, Abschiedskolloquium Prof. Kerschgens, Universität zu Köln, Germany.

Adams, S., Willmes, S., Schröder, D., Heinemann, G., and Krumpen, T., (2012): Daily thin-ice thickness maps from MODIS thermal-infrared imagery. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Munich, Germany, Talk, July 22-27, 2012.

Drüe, C., M. Mauder, M. Cuntz, A. Graf, C. Rebmann, H. P. Schmid, M. Schmidt, and R. Steinbrecher, 2012:A scheme for assessment of quality and uncertainty for long-term eddy-covariance measurements', 20th Symposium on Boundary Layers and Turbulence, 09-13 July 2012, Boston, MA, USA [Abstract (from AMS)]

Drüe, C, A. Graf, G. Heinemann, and T. Pütz, 2012:Observation of atmosphere-forest exchange processes at the new TERENO site Wüstebach, 20th Symposium on Boundary Layers and Turbulence, 09-13 July 2012, Boston, MA, USA [Abstract (from AMS)]

Heinemann, G., L. Ebner, 2012: Cyclone and mesocyclone tracking in the Antarctic region and southern polar ocean. European Polar Low Working Group Workshop, Oslo, Norway.

Ernsdorf, T., G. Heinemann and C. Drüe, 2012: Aircraft-based Investigation of Boundary Layer Structures over the North Water Polynya and in Summertime Katabatic Winds Over Northwest Greenland. International Polar Year (IPY) conference ‘From Knowledge to Action’, April 2012, Montréal, Canada.

Kulakov, M., A. Makshtas, S. Shutilin, G. Heinemann, 2012: Application of a coupled sea ice-ocean model to investigations of polynyas in the Arctic shelf seas. International Polar Year (IPY) conference ‘From Knowledge to Action’, April 2012, Montréal, Canada

Heinemann, G., , H. Kassens, J. Hölemann, R. Spielhagen, D. Schröder, S. Willmes, I. Dmitrenko, T. Krumpen, D. Bauch, L. Timokhov, S. Kirlliov, A. Makstash. 2012: The Laptev Sea polynya project - multi-disciplinary studies of hydrography, sea ice and sea-ice/ocean/atmosphere interactions. International Polar Year (IPY) conference ‘From Knowledge to Action’, April 2012, Montréal, Canada.

Adams, S., Willmes, S., Schröder, D., and Heinemann, G., 2012: Extensive sensitivity analysis of MODIS thermal thin ice thicknesses and retrieval of a daily thin-ice product for the Laptev Sea. International Polar Year (IPY) conference – From Knowledge to Action, Montréal, Canada, Poster, April, 22-27, 2012.

Bauer, M.,  Schröder, D., Willmes, S., Ebner, L. and G. Heinemann: Polynya ice production of the Laptev Sea Area for the winters 2007/08 and 2008/09 calculated from simulations with COSMO numerical weather prediction (NWP) model. International Polar Year (IPY 2012), Montreal, Canada, April 22-27, 2012

Gutjahr, O., Heinemann, G.: Comparison of parametric bias correction methods for high-resolution COSMO-CLM daily precipitation fields. European Geoscience Union (EGU), General Assembly, Vienna, April 22 – 27, 2012.

Haid, V., R. Timmermann, L. Ebner, G. Heinemann, 2012: Impact of coastal polynyas on sea ice production and water mass modification in the southwestern Weddell Sea. European Geosciences Union (EGU), General Assemby, Vienna, Austria. Geophysical Research Abstracts Vol. 14, EGU2012-9797.

Heinemann, G., M. Bauer, L. Ebner, D. Schröder, S. Willmes, S. Adams, 2012: Dynamical downscaling for the Laptev Sea region of the Siberian Arctic and impacts on sea ice production in flaw polynyas. ADSIMNOR-CORDEX workshop on Arctic climate modeling results and needs, SMHI, Norrköping, Sweden.

Gutjahr, O., Heinemann, G.: Comparison of parametric bias correction methods for high-resolution COSMO-CLM daily precipitation fields. COSMO/CLM User Seminar, Offenbach, Germany, March 06 – 09, 2012.

Adams, S., Willmes, S., Schröder, D., Heinemann, G., Krumpen, T., 2012: Sensitivity analysis of thermal ice thicknesses in the Laptev Sea. SMOS Ice Workshop, Hamburg, Germany, Poster, February, 17, 2012.

2011

Ernsdorf, T., G. Heinemann and C. Drüe, 2011: Airborne investigations of summertime katabatic winds and boundary layer structures over the NOW polynya near Greenland. 11th European Meteorological Society (EMS) Annual Meeting & 10th European Conference on Application of Meteorology (ECAM), Berlin, Germany.

Buchholz, S., K. Görgen, and G. Heinemann, 2011: Sources and development of photochemical episodes in Central Europe: An evaluation study of the WRF-Chem model. European Geosciences Union (EGU), General Assemby, Vienna, Austria. Geophysical Research Abstracts Vol. 13, EGU2011-2665.

Heinemann, G., S. Willmes, L. Ebner, S. Adams, M. Bauer, D. Schröder, R. Timmermann, 2011: How much sea ice is produced in the Laptev Sea of the Siberian Arctic? WCRP OSC Climate Research in Service to Society, Denver, USA. http://conference2011.wcrp-climate.org/posters/C11/C11_Heinemann_M120A.pdf

Drüe, C.,2011:Reconstructing trajectories of aircraft transmitting AMDAR weather reports, 11th EMS Annual Meeting and 10th European Conference on Applications of Meteorology (ECAM), 12 – 16 September 2011, Berlin, Germany [Abstract (from Copernicus)]

Drüe, C., A. Graf, G. Heinemann, and T. Pütz, 2011: Measurement and quality control of atmosphere-forest exchange processes at the new TERENO site Wüstebach, 11th EMS Annual Meeting and 10th European Conference on Applications of Meteorology (ECAM), 12 – 16 September 2011, Berlin, Germany  [Abstract (from Copernicus)]

Gutjahr, O., Heinemann, G., 2011: Parametric bias correction of high resolution CCLM precipitation with a focus on extreme values and climate change signal. 6^th CLM Assembly, Cava de’ Tirreni, Italy, August 10 – September 2, 2011.

Adams, S., Willmes, S., Schröder, D., and Heinemann, G., 2011: Monitoring of thin ice in the Laptev Sea Polynya. European Geosciences Union (EGU), General Assembly, Vienna, Austria, Poster, April, 3-8, 2011.

Drüe, C., G. Heinemann, A. Graf, and T. Pütz, 2011:A new tower for monitoring atmosphere-forest exchange processes at TERENO site Wüstebach' European Geosciences Union, General Assembly 2011, 03 – 08 April 2011, Vienna, Austria [Abstract (from Copernicus)]

Bauer, M., Schröder, D., Heinemann, G. und S. Willmes: Ice production of polynyas in the Laptev Sea calculated from mesoscale NWP model simulations for the winters 2007/08 and 2008/09. European Geosciences Union (EGU), General Assembly, Vienna, Austria, April 03-08, 2011

Kohnemann, S., G. Heinemann, D. Schröder, S. Willmes und C. Koeberle: Investigation of regional sea ice budgets in the Arctic using the sea ice/ocean model NAOSIM. European Geosciences Union (EGU), General Assembly, Vienna, Austria, April 03-08, 2011

Preußer, A., Heinemann, G., Drüe C., 2011: Investigation of the dynamics of the North Water polynya for 1996-2010 using satellite data, Geophysical Research Abstracts, 13, 2011, EGU General Assembly 2011, Vienna, Austria, 03–08 April 2011, European Geosciences Union. [Abstract (PDF, from COSIS)]

Ernsdorf, T., G. Heinemann, and C. Drüe: Aircraft-based studies of katabatic winds and boundary layer structures over the NOW polynya near Greenland during summer. European Geosciences Union (EGU), General Assembly, Vienna, Austria, April 03-08, 2011 [Abstract (PDF, from COSIS)] [Poster (PDF, from COSIS)]

Gutjahr, O., G. Heinemann, M. Casper and A. Rock, 2011: Statistical bias correction for daily precipitation fields from COSMO-CLM over the Nahe catchment area. European Geosciences Union (EGU), General Assembly, Vienna, Austria, April 4-9, 2011.

Gutjahr, O., G. Heinemann, M. Casper and A. Rock, 2011: Statistical bias correction for daily precipitation fields from COSMO-CLM over the Nahe catchment area. COSMO-User Seminar, Langen, Germany, February 28 – March 4, 2011

Adams, S., Willmes, S., Schröder, D., Heinemann, G., Krumpen, T., and Hoelemann, J. (2011) Improvement and verification of thin ice retrieval within the Laptev Sea Polynya. Seminar at Center for Marine and Atmospheric Sciences (ZMAW), Hamburg, Germany, Talk, January, 18, 2011.

2010

Adams S., Willmes, S., Heinemann, G., Rozman, P., Timmermann, R., and Schröder, D., 2010: Evaluation of simulated sea-ice concentrations from sea-ice/ocean models using satellite data and polynya classification methods. Joint Russian-German workshop on research in the Laptev Sea region, St. Petersburg, Russia, Poster, November, 8-11, 2010.

Kohnemann, S., D. Schröder, G. Heinemann und C. Koeberle: Abschätzung der Meereisproduktion in der Laptev-See mit dem Ozean-Meereismodell NAOSIM. German-Austrian-Swiss Meteorology-Conference DACH, Bonn, Germany, September 20-24, 2010

Adams, S., Willmes, S., Krumpen, T., Hoelemann, J., and Heinemann, G. (2010) Bestimmung von Dünneisdicken in der Laptev See Polynja mit hochaufgelösten Eisoberflächentemperaturen. DACH conference for meteorologists, Bonn, Germany, Talk, September, 20-24, 2010.

Adams, S., Willmes, S., Krumpen, T., Hoelemann, J., and Heinemann, G., 2010: Ableitung von Dünneisdicken in der Laptev See Polynja aus hochaufgelösten Eisoberflächentemperaturen. 24. Polartagung, Obergurgl, Austria, Poster, September, 6-10, 2010.

Adams, S., Willmes, S., Krumpen, T., Hoelemann, J., and Heinemann, G., 2010: Thin ice thickness retrieval within the Laptev Sea Polynya from high-resolution ice surface temperatures. International Polar Year (IPY) conference, Oslo, Norway, Poster, June, 8-12, 2010.

Adams, S., Willmes, S., Krumpen, T., Hoelemann, J., and Heinemann, G., 2010: Derivation of thin ice thickness within the Laptev Sea Polynya from high-resolution ice surface temperatures. International Symposium on Sea Ice in the Physical and Biogeochemical System, Tromsø, Norwegen, Poster, May-June, 31-4, 2010.

Adams, S., Willmes, S., Heinemann, G., Rozman, P., Timmermann, R., and Schröder, D., 2010: Verification of simulated sea-ice concentrations from sea-ice/ocean models using satellite data. European Geosciences Union (EGU), General Assembly, Vienna, Austria, Poster, May, 2-7, 2010.

Ernsdorf, T., D. Schröder, G. Heinemann, S. Adams, A. Helbig, R. Timmermannn, and S. Willmes: Simulation of Laptev Sea polynya dynamics using the FESOM model with different atmospheric forcings. European Geosciences Union (EGU), General Assembly, Vienna, Austria, May 02-07, 2010.

Heinemann, G. , D. Schröder, S. Willmes, L. Ebner, S. Adams, T. Ernsdorf, A. Helbig, and R. Timmermann: Air-sea-ocean interaction processes and impacts on polynya formation and sea ice production in the Laptev Sea of the Siberian Arctic. European Geosciences Union (EGU), General Assembly, Vienna, Austria, May 02-07, 2010.

Adams, S., Willmes, S., Krumpen, T. Hoelemann, J., and Heinemann G. (2010) Thin ice retrieval within the Laptev Sea Polynya from high-resolution ice surface temperatures. Workshop “Monitoring Arctic and Antarctic Sea Ice from Various Satellite Products”, Bern, Switzerland, Talk, March, 15-19, 2010.

Ebner, L., D. Schröder and G. Heinemann: Impact of Laptev Sea flaw polynyas on the atmospheric boundary layer and ice production using idealized mesoscale simulations. COSMO/CLM User Seminar, Langen, Germany, March 02-04, 2010.

Heinemann, G., 2010: Coole Grenzschichten: Wirken und Auswirkung von Helmut Kraus auf die Polarforschung. Wissenschaftlicher Festvortrag, Universität Bonn, Germany.

2009

Drüe, C., T. Hauf, and A. Hoff, 2009: 'Inversion and shear layer detection using AMDAR and wind profiler soundings', EMS Annual Meeting Abstracts, 6, 2009, 9th Annual Meeting of the European Meteorological Society (EMS), Toulouse, France, 28 September - 02 October 2009, USB-Stick. [Presentation (PDF, from EMS)]  

Schröder, D., G. Heinemann, L. Ebner, S. Willmes, T. Ernsdorf, and R. Timmermann: Sea ice production in the Laptev sea: Case studies with a coupled high resolution atmosphere sea-ice ocean model. Symposium "Climate System North Atlantic", Hamburg, Germany, November 2009.

Schröder, D., G. Heinemann, L. Ebner, S. Adams, S. Willmes, and R. Timmermann: Polynya studies in the Laptev sea with a fully coupled high resolution atmosphere sea-ice ocean model. 8th International SRNWP-Workshop on Non-Hydrostatic Modelling, Bad Orb, Germany, October 2009.

Schröder, D., G. Heinemann, L. Ebner, S. Adams, S. Willmes and R. Timmermann: Polynya studies in the Laptev sea with a fully coupled high resolution atmosphere sea-ice ocean model. IAMAS/IAPSO/IACS Joint Asssembly: Our Warming Planet. Montréal Canada, July 2009.

Adams S., Willmes S., Heinemann G., Rozman P., Gerdes R. & Timmermann R.: Validation of simulated sea-ice concentrations from sea-ice/ocean models using satellite data and polynya classification methods. IAMAS/IAPSO/IACS Joint Asssembly: Our Warming Planet. Montréal, Canada, July 2009.

Adams S., Willmes S., Heinemann G.: Validation of simulated sea-ice concentrations from sea-ice ocean models and polynya classification methods in the Laptev Sea area using satellite data. EGU General Assembly. Wien, Österreich, April 2009. 

Schröder, D., L. Ebner, G. Heinemann, R. Timmermann, J. Stadler, and T. Ernsdorf: Polynya studies in the Laptev sea with a fully coupled high resolution atmosphere sea-ice ocean model. European Geosciences Union (EGU), General Assemby, Vienna, Austria, April 20-24, 2009.

Schröder, D., G. Heinemann, and D. Mironov: Implementation of a thermodynamic sea ice module in COSMO and its impact on polynya studies in the Laptev Sea. COSMO/CLM User Seminar, BTZ Langen, 09 March – 11 March 2009.

Willmes, S., Haas, C. and M. Nicolaus: High Radar-backscatter Regions on Antarctic Sea Ice and their Relation to Sea-ice and Snow Properties and Meteorological Conditions. IAMAS/IAPSO/IACS Joint Asssembly: Our Warming Planet. Montréal, Canada, July 2009.

Willmes, S., Adams, S., Schröder, D. and G. Heinemann: Spatiotemporal Variability of Sea-ice Coverage, Thin Ice Fraction and Ice Production in the Laptev Sea as Derived from Passive Microwave Sensor Data between 1979 and 2008. IAMAS/IAPSO/IACS Joint Asssembly: Our Warming Planet. Montréal, Canada, July 2009.

Junk, J., U. Feister, K. Görgen, and A. Helbig, A. 2009: Advantages of modelled ozone data for the reconstruction and analysis of long-term erythemal UV radiation time series. International Conference on Urban Climate (ICUC 7), Japan 2009.

2008

Willmes, S. Haas, C. and Nicolaus, M., 2008, Hemispheric Contrasts in the Succession of snowmelt on sea ice as indicated through micorwave satellite data and modelling results, AGU fall meeting, San Francisco, USA, Dec 2008.

Krumpen, T., S. Willmes, L. Rabenstein, M.A. Morales Maqueda, A.J. Willmott, J. Hoelemann und C. Haas, 2008. The West New Siberian Polynya: Ice and salt flux computations and results from the TRANSDRIFT XIII expedition. SCAR/IASC open science conference, July 2008, St. Petersburg, Russia.

Willmes, S., C. Haas, und J. Bareiss. Snowmelt dynamics on Antarctic sea ice – MeDAntS data set. European Geophysical Union Conference 2008. Vienna, Austria.

Schröder, D., H. Hebbinghaus, G. Heinemann, and R. Timmermann: A high resolution fully coupled atmosphere ocean sea ice model to investigate polynya processes in the Laptev Sea. European Geosciences Union (EGU), General Assemby, Vienna, Austria, April 13-18, 2008.

Schröder, D. and W.M. Connolley: Sensitivity to sea ice initial conditions in the Hadley Centre Climate Model (HADCM3) on timescales from seasonal to decadal, European Geosciences Union (EGU), General Assemby, Vienna, Austria, April 15-20, 2007.