Items where Author is "Westermann, Sebastian"

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Number of items: 62.

Article

Langer, M. , Westermann, S. , Heikenfeld, M. , Dorn, W. and Boike, J. (2013)
Satellite-based modeling of permafrost temperatures in a tundra lowland landscape ,

Remote Sensing of Environment, 135 , pp. 12-24 .

doi:10.1016/j.rse.2013.03.011 , hdl:10013/epic.41467

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Article

Muster, S. , Langer, M. , Heim, B. , Westermann, S. and Boike, J. (2012)
Subpixel heterogeneity of ice-wedge polygonal tundra: a multi-scale analysis of land cover and evapotranspiration in the Lena River Delta, Siberia ,

Tellus B, 64 (17301) .

doi:10.3402/tellusb.v64i0.17301 , hdl:10013/epic.38964

Article

Overduin, P. P. , Westermann, S. , Yoshikawa, K. , Haberlau, T. , Romanovsky, V. and Wetterich, S. (2012)
Geoelectric observations of the degradation of near-shore submarine permafrost at Barrow (Alaskan Beaufort Sea) ,

Journal of Geophysical Research - Earth Surface .

hdl:10013/epic.40981

Article

Westermann, S. , Langer, M. and Boike, J. (2011)
Systematic bias of average winter-time land surface temperatures inferred from MODIS at a site on Svalbard, Norway ,

Remote Sensing of Environment, ELSEVIER SCIENCE INC, 118 , pp. 162-167 .

doi:10.1016/j.rse.2011.10.025 , hdl:10013/epic.38719

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Article

Westermann, S. , Boike, J. , Langer, M. , Schuler, T. V. and Etzelmüller, B. (2011)
Modeling the impact of wintertime rain events on the thermal regime of permafrost ,

The Cryosphere, 5 , pp. 1697-1736 .

doi:10.5194/tcd-5-1697-2011 , hdl:10013/epic.38718

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Article

Westermann, S. , Boike, J. , Langer, M. , Schuler, T. V. and Etzelmüller, B. (2011)
Modeling the impact of wintertime rain events on the thermal regime of permafrost ,

The Cryospere Discussion, Copernicus Publications, 5 , pp. 1697-1736 .

doi:10.5194/tcd-5-1697-2011 , hdl:10013/epic.38318

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Article

Langer, M. , Westermann, S. , Muster, S. , Piel, K. and Boike, J. (2011)
The surface energy balance of a polygonal tundra site in northern Siberia Part 2: Winter ,

Cryosphere, COPERNICUS GESELLSCHAFT MBH, 5 , pp. 509-524 .

doi:10.5194/tc-5-509-2011 , hdl:10013/epic.38159

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Article

Westermann, S. , Boike, J. , Langer, M. , Schuler, T. V. and Etzelmüller, B. (2011)
Modeling the impact of wintertime rain events on the thermal regime of permafrost ,

The Cryosphere Discussions, 5 , pp. 1697-1736 .

doi:10.5194/tcd-5-1697-2011 , hdl:10013/epic.39457

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Article

Langer, M. , Westermann, S. , Muster, S. , Piel, K. and Boike, J. (2011)
The surface energy balance of a polygonal tundra site in northern Siberia Part 1: Spring to fall ,

The Cryosphere, 5 , pp. 151-171 .

doi:10.5194/tc-5-151-2011 , hdl:10013/epic.36985

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Article

Westermann, S. , Wollschläger, U. and Boike, J. (2010)
Monitoring of active layer dynamics at a permafrost site on Svalbard using multi-channel ground-penetrating radar ,

The Cryosphere, 4 , pp. 475-487 .

doi:10.5194/tc-4-475-2010 , hdl:10013/epic.36668

Article

Langer, M. , Westermann, S. and Boike, J. (2010)
Spatial and temporal variations of summer surface temperatures of wet polygonal tundra in Siberia - implications for MODIS LST based permafrost monitoring ,

Remote Sensing of Environment, 114 (9), 2059-2069 .

doi:10.1016/j.rse.2010.04.012 , hdl:10013/epic.34763

Article

Westermann, S. , Lüers, J. , Langer, M. , Piel, K. and Boike, J. (2009)
The annual surface energy budget of a high-arctic permafrost site on Svalbard, Norway ,

The Cryosphere, 3 , pp. 245-263 .

doi:10.5194/tc-3-245-2009 , hdl:10013/epic.33982

Article

Amthor, T. , Reetz-Lamour, M. , Westermann, S. , Denskat, J. and Weidemüller, M. (2007)
Mechanical effect of van der Waals interactions observed in real time in an ultracold Rydberg gas ,

Phys. Rev. Lett. 98 .

hdl:10013/epic.31702

Article

Reetz-Lamour, M. , Amthor, T. , Westermann, S. , Denskat, J. , de Oliveira, A. L. and Weidemüller, M. (2007)
Modeling few-body phenomena in an ultracold Rydberg gas ,

Nucl. Phys. A 790c (2007)., 728 .

hdl:10013/epic.31701

Article

Deiglmayer, J. , Reetz-Lamour, M. , Amthor, T. , Westermann, S. , de Oliveira, A. L. and Weidemüller, M. (2006)
Coherent excitation of Rydberg atoms in an ultracold gas, ,

Opt. Comm. 264., 293 (2006) .

hdl:10013/epic.31705

Article

Westermann, S. , Amthor, T. , de Oliveira, A. L. , Deiglmayer, J. , Reetz-Lamour, M. and Weidemüller, M. (2006)
Dynamics of resonant energy transfer in a cold Rydberg gas ,

Eur. J. Phys. D 40., 37 (2006) .

hdl:10013/epic.31703

Article

Reetz-Lamour, M. , Amthor, T. , Deiglmayer, J. , Westermann, S. , Singer, K. , de Oliveira, A. L. , Marcasse, L. G. and Weidemüller, M. (2006)
Prospects of ultracold Rydberg gases for quantum information processing ,

Fortschr. Phys. 54., 776 (2006) .

hdl:10013/epic.31704

Inbook

Boike, J. , Langer, M. , Lantuit, H. , Muster, S. , Sachs, T. , Ovderduin, P. P. , Westermann, S. , Roth, K. and McGuire, A. D. (2012)
Permafrost - physical aspects and carbon cycling, databases and uncertainties / Lal, R. , Lorenz, K. , Hüttl, R. F. , Schneider, B. U. and von Braun, J. (editors) ,

Recarbonization of the Biosphere (Ecosystems and the Global Carbon Cycle), Dordrecht Heidelberg New York London, Springer Book, 545 p., ISBN: 978-94-007-4158-4 .

doi:10.1007/978-94-007-4159-1 , hdl:10013/epic.39187

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Thesis

Thesis -PhD

Westermann, S. (2010)
Sensitivity of permafrost ,

PhD thesis, University of Heidelberg, Combined Faculties for Natural Sciences and Mathematics.

hdl:10013/epic.38926

Conference

Conference -Conference paper

Westermann, S. , Langer, M. , Heikenfeld, M. and Boike, J. (2013)
CryoGrid 3 – a new flexible tool for permafrost modeling ,

CryoFIM Back work shop Svalbard, Longyearbyen, Svalbard, 15 April 2013 - 19 April 2013 .

hdl:10013/epic.41466

Conference -Invited talk

Boike, J. , Westermann, S. , Wischnewski, K. , Kopsch, C. and Langer, M. (2013)
Permafrost warming and surface energy balance processes at two contrasting sites: Samoylov, Lena Delta (Siberia), Bayelva (Spitsbergen) ,

CryoFIM Back work shop Svalbard, Longyearbyen, Svalbard, 15 April 2013 - 19 April 2013 .

hdl:10013/epic.41414

Conference -Poster

Aas, K. S. , Berntsen, T. K. , Boike, J. , Etzelmüller, B. , Kristjansson, J. E. , Schuler, T. V. , Stordal, F. and Westermann, S. (2013)
Observed and simulated surface energy budget at Ny-Ålesund, Svalbard ,

EGU General Assembly 2013, Vienna, 7 April 2013 - 13 April 2013 .

hdl:10013/epic.41417

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Conference -Talk

Langer, M. , Westermann, S. , Heikenfeld, M. and Boike, J. (2012)
Satellite based permafrost modeling in low land tundra landscapes ,

AGU Fall Meeting, San Francisco, 3 December 2012 - 7 December 2012 .

hdl:10013/epic.40719

Conference -Talk

Westermann, S. , Langer, M. and Boike, J. (2012)
Data fusion of remote sensing products for operational permafrost monitoring ,

Final User Workshop ESA Data User Element DUE Permafrost, Potsdam, Germany, 15 February 2012 - 17 February 2012 .

hdl:10013/epic.39275

Conference -Talk

Langer, M. , Westermann, S. , Muster, S. , Grau, T. , Wischnewski, K. and Boike, J. (2012)
A satellite based monitoring scheme for lowland permafrost – potentials and uncertainties ,

Tenth International Conference on Permafrost TICOP, Salekhard, 25 June 2012 - 29 June 2012 .

hdl:10013/epic.40021

Conference -Poster

Boike, J. , Langer, M. , Abnizova, A. , Fröb, K. , Grüber, M. , Muster, S. , Piel, K. , Wischnewski, K. , Westermann, S. and Roth, K. (2011)
Sensitivity of Permafrost in the Arctic - a multiscale perspective ,

American Geophysical Union Fall Meeting, San Francisco, USA, 5 December 2011 - 9 December 2011 .

hdl:10013/epic.38696

Conference -Talk

Langer, M. , Westermann, S. , Abnizova, A. , Muster, S. , Wischnewski, K. and Boike, J. (2011)
The freeze-up of high Arctic ponds and potential impacts on the carbon balance ,

American Geophysical Union Fall Meeting, San Francisco, USA, 5 December 2011 - 9 December 2011 .

hdl:10013/epic.38704

Conference -Poster

Westermann, S. , Gisnas, K. , Schuler, T. V. , Boike, J. , Langer, M. and Etzelmüller, B. (2011)
Towards operational permafrost monitoring in Norway using data fusion of multi-sensor data ,

American Geophysical Union Fall Meeting, San Francisco, USA, 5 December 2011 - 9 December 2011 .

hdl:10013/epic.38705

Conference -Poster

Bartsch, A. , Heim, B. , Boike, J. , Elger, K. , Muster, S. , Langer, M. , Westermann, S. and Sobiech, J. (2010)
ESA Data User Element PERMAFROST: a spaceborne permafrost monitoring and information system ,

AGU Fall Meeting 2010, C31A-0507 , San Francisco, US, 13 December 2010 - 17 December 2010 .

hdl:10013/epic.38435

Conference -Poster

Westermann, S. , Lüers, J. , Langer, M. , Piel, K. and Boike, J. (2010)
The Annual Surface Energy Budget of a High-Arctic Permafrost Site on Svalbard, Norway ,

EGU General Assembly 2010, Vienna, Austria. .

hdl:10013/epic.34461

Conference -Poster

Overduin, P. P. , Westermann, S. , Haberlau, T. , Romanovsky, V. and Yoshikawa, K. (2010)
Detecting Near-shore Submarine Permafrost at Barrow, Alaska Using Electrical Resistivity ,

Third European Conference on Permafrost, Longyearbyen, Svalbard, Norway, June 13-17 .

hdl:10013/epic.35470

Conference -Poster

Langer, M. , Westermann, S. and Boike, J. (2010)
Freeze back variability of the polygonal tundra implications for green house gas emissions ,

Joint Russian-German Workshop, November 8-11, 2010, St. Petersburg, Russia. .

hdl:10013/epic.36841

Conference -Poster

Westermann, S. , Langer, M. and Boike, J. (2010)
Satellite and Reanalysis Data for Modeling Active Layer Dynamics and Thermal State of Permafrost Perspectives and Challenges ,

American Geophysical Union Fall Meeting, December 13-17, 2010, San Francisco, CA, USA. .

hdl:10013/epic.36838

Conference -Poster

Langer, M. , Westermann, S. , Piel, K. , Muster, S. , Abnizova, A. and Boike, J. (2010)
Spatial and Temporal Variability of Freeze Back of the Polygonal Tundra and Implications for Green House Gas Emissions ,

American Geophysical Union Fall Meeting, December 13-17, 2010, San Francisco, CA, USA. .

hdl:10013/epic.36837

Conference -Invited talk

Westermann, S. and Boike, J. (2010)
Towards Permafrost Monitoring for Svalbard ,

Research Access to Eastern Areas in Svalbard, Svalbards Science Forum, 16-17 February 2010, Oslo, Norway. .

hdl:10013/epic.34176

Conference -Talk

Boike, J. , Westermann, S. , Piel, K. and Overduin, P. P. (2010)
Warming of permafrost temperatures on Svalbard - what is the effect of the snow cover? ,

European Conference on Permafrost, June 13-17, Longyearbyen, Svalbard. .

hdl:10013/epic.34467

Conference -Talk

Boike, J. , Westermann, S. , Piel, K. and Overduin, P. P. (2010)
Warming of permafrost temperatures on Svalbard - what is the effect of the snow cover? ,

Third European Conference on Permafrost, Longyearbyen, Svalbard, Norway, June 13-17 .

hdl:10013/epic.35472

Conference -Poster

Piel, K. , Westermann, S. , Lüers, J. , Langer, M. and Boike, J. (2009)
The Annual Surface Energy Budget of a High-Arctic Permafrost Site on Svalbard, Norway ,

American Geophysical Union Fall Meeting, December 12-18, 2009, San Francisco, CA, USA. .

hdl:10013/epic.33498

Conference -Poster

Langer, M. , Westermann, S. and Boike, J. (2009)
Application of an active layer monitoring scheme based on the MODIS-LST product at a polygonal tundra site in Siberia. ,

American Geophysical Union Fall Meeting, December 12-18, 2009, San Francisco, CA, USA. .

hdl:10013/epic.33522

Conference -Invited talk

Boike, J. , Bolton, B. , Bornemann, N. , Kattenstroth, B. , Langer, M. , Muster, S. , Piel, K. , Sachs, T. , Stoof, G. and Westermann, S. (2009)
Characteristics of Heat and Water Budget of two Arctic Permafrost Sites: Dominant Processes and Observed Changes ,

The Meeting of the Americas Joint Assembly, May 24-27, 2009, Toronto, Ontario, Canada. .

hdl:10013/epic.32096

Conference -Poster

Westermann, S. , Langer, M. and Boike, J. (2009)
Controlling Factors of Permafrost Temperatures at a High-arctic Site on Svalbard ,

American Geophysical Union Fall Meeting, December 12-18, 2009, San Francisco, CA, USA. .

hdl:10013/epic.33497

Conference -Talk

Westermann, S. (2009)
Controlling factors of permafrost temperatures at a high-arctic permafrost site ,

Institutskolloquium des Instituts für Umweltphysik, Heidelberg. Nov.. .

hdl:10013/epic.33517

Conference -Poster

Boike, J. , Westermann, S. , Langer, M. and Bornemann, N. (2009)
Evaluation of the MODIS L2 LST Products Using Thermal Camera Systems at two Different Permafrost Sites ,

American Geophysical Union Fall Meeting, December 12-18, 2009, San Francisco, CA, USA. .

hdl:10013/epic.33555

Conference -Talk

Boike, J. , Heim, B. , Morgenstern, A. , Ulrich, M. , Westermann, S. , Langer, M. , Lantuit, H. , Overduin, P. P. , Günther, F. and Muster, S. (2009)
Ground-truthing for Remote Sensing of Permafrost Landscapes, AWI Potsdam ,

European Space Agency (ESA) Data User Element (DUE) Permafrost Workshop, Potsdam, Germany, September 27 .

hdl:10013/epic.33405

Conference -Talk

Westermann, S. , Langer, M. and Boike, J. (2009)
The annual surface energy budget of a high-arctic site on Svalbard, Norway ,

2. Treffen des Arbeitskreises Permafrost, 5.-6. Nov, Würzburg. .

hdl:10013/epic.33516

Conference -Poster

Muster, S. , Bolton, B. , Langer, M. , Grüber, M. , Westermann, S. and Boike, J. (2008)
Analysis of permafrost and its spatial characteristics ,

ESA Permafrost Expert Consultation Workshop, February 20-21, 2008, AWI, Potsdam, Germany .

hdl:10013/epic.31718

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Conference -Poster

SPARC group, B. , Bolton, W. R. , Grüber, M. , Langer, M. , Muster, S. , Piel, K. , Sachs, T. , Stoof, G. and Westermann, S. (2008)
Analysis of permafrost and its spatial characteristics ,

ESA workshop Permafrost, Potsdam, February 20-21, Potsdam .

hdl:10013/epic.33980

Conference -Talk

Westermann, S. , Werban, U. , Bolton, W. R. and Boike, J. (2008)
DC Electrical Resistivity Imaging at a High-Arctic Continuous Permafrost Site in Svalbard, Norway ,

European Geoscience Union, General Assembly, April 14-18, 2008, Vienna, Austria .

hdl:10013/epic.30416

Conference -Talk

Westermann, S. and Boike, J. (2008)
Energy Budget of Permafrost near Ny-Ålesund ,

The Ny-Ålesund seminar, September 2, 2008, Ny-Ålesund, Svalbard, Norway .

hdl:10013/epic.31710

Conference -Poster

Westermann, S. , Boike, J. , Langer, M. , Grüber, M. and Muster, S. (2008)
High-Resolution Imagery: Airborne Platforms and Sensors ,

ESA workshop on Permafrost, February 20-21, 2008, Potsdam, Germany .

hdl:10013/epic.31711

Conference -Poster

Piel, K. , Westermann, S. , Lüers, J. and Boike, J. (2008)
Long-term Monitoring of Sensible and Latent Heat Fluxes Using Eddy Covariance at a High-Arctic Permafrost Site on Svalbard, Norway ,

American Geophysical Union Fall Meeting, December 15-19, 2008, San Francisco, CA, USA .

hdl:10013/epic.31706

Conference -Poster

Westermann, S. , Boike, J. , Piel, K. and Lüers, J. (2008)
Long-term monitoring of sensible and latent heat fluxes using eddy covariance at a high Arctic permafrost site in Svalbard, Norway ,

9th International Conference on Permafrost, June 29 - July 3, University of Alaska, Fairbanks, USA .

hdl:10013/epic.31712

Conference -Invited talk

Muster, S. , Westermann, S. , Langer, M. and Boike, J. (2008)
Mapping and monitoring of High Arctic permafrost landscapes with drones, balloons and kites ,

Workshop on "Remote sensing to assess the distribution and abundance of seabirds and marine mammals: Possible applications for Unmanned Aerial Vehicles (UAVs)", November 21-22, 2008, Deutsches Meeresmuseum Stralsund, Germany .

hdl:10013/epic.31717

Conference -Poster

Westermann, S. and Boike, J. (2008)
Monitoring of Surface Temperatures with Thermal Camera Systems at a High-Arctic Permafrost Site on Svalbard, Norway ,

American Geophysical Union Fall Meeting, December 15-19, 2008, San Francisco, CA, USA .

hdl:10013/epic.31707

Conference -Poster

Muster, S. , Boike, J. , Bolton, W. , Grüber, M. , Langer, M. , Piel, K. , Sachs, T. , Stoof, G. and Westermann, S. (2008)
Monitoring permafrost patterned ground with small-format aerial photography: Classification of a polygon landscape on Samoylov Island, Lena Delta, Siberia ,

European Geoscience Union, General Assembly, April 14-20, 2008, Vienna, Austria .

hdl:10013/epic.30415

Conference -Talk

Westermann, S. , Bolton, W. R. , Langer, M. , Muster, S. , Piel, K. , Sachs, T. , Stoof, G. and Boike, J. (2008)
Sensitivity of the Arctic's heat and water budget under a changing climate - a multiscale perspective ,

1. Treffen des Arbeitskreises Permafrost in der DPG, Potsdam, Germany .

hdl:10013/epic.31709

Conference -Talk

Westermann, S. and Boike, J. (2008)
Sensitivity of the Arctic's heat and water budget under a changing climate a multiscale perspective ,

2nd AWIPEV workshop, October 8-10, 2008, Bremen, Germany .

hdl:10013/epic.31708

Conference -Talk

Boike, J. , Bolton, B. , Grüber, M. , Langer, M. , Muster, S. , Piel, K. , Sachs, T. , Stoof, G. and Westermann, S. (2008)
Sensitivity of the permafrost systems heat and water budget under changing climate: A multiscale perspective (SPARC) ,

ESA workshop on Permafrost, February 20-21, 2008, Potsdam, Germany .

hdl:10013/epic.30208

Conference -Talk

Boike, J. , Bolton, W. R. , Grüber, M. , Langer, M. , Muster, S. , Piel, K. , Sachs, T. , Stoof, G. and Westermann, S. (2008)
Ten years (1998-2007) of water and energy balance studies at a Siberian Arctic polygonal tundra site- what do we observe? ,

European Geoscience Union, General Assembly, April 14-18, 2008, Vienna, Austria .

hdl:10013/epic.30419

Conference -Poster

Westermann, S. , Werban, U. , Bolton, W. R. and Boike, J. (2007)
DC Electrical Resistivity Imaging at a High-Arctic Continuous Permafrost in Svalbard, Norway ,

American Geophysical Union Fall Meeting, Dezember 10-14, 2007, San Francisco, CA, USA. .

hdl:10013/epic.28754

Conference -Poster

Overduin, P. P. , Boike, J. , Kane, D. L. and Westermann, S. (2007)
Soil Temperatures Under a Range of Organic and Snow Covers ,

American Geophysical Union Fall Meeting, December 10-14, 2007, San Francisco, CA, USA .

hdl:10013/epic.28565

PANGAEA Documentation

Muster, S. , Langer, M. , Heim, B. , Westermann, S. and Boike, J. (2012)
Supplementary data - Subpixel heterogeneity of ice-wedge polygonal tundra: a multi-scale analysis of land cover and evapotranspiration in the Lena River Delta, Siberia ,

Bremerhaven, PANGAEA .

hdl:10013/epic.39778

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This list was generated on Fri May 24 05:08:50 2013 CEST.