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2019
1 Aas, Kjetil Schanke; Martin, Leo Celestin Paul; Nitzbon, Jan; Langer, Moritz; Boike, Julia; Lee, Hanna; Berntsen, Terje Koren; Westermann, Sebastian.
Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model. The Cryosphere 2019 ;Volum 13.(2) s. 591-609
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2 Angelopoulos, Michael; Westermann, Sebastian; Overduin, Paul; Faguet, Alexey; Olenchenko, Vladimir; Grosse, Guido; Grigoriev, Mikhail N.
Heat and Salt Flow in Subsea Permafrost Modeled with CryoGRID2. Journal of Geophysical Research - Space Physics 2019 ;Volum 124.(4) s. 920-937
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3 Bilt, Willem van der; Bakke, Jostein; Smedsrud, Lars H.; Sund, Monica; Schuler, Thomas; Westermann, Sebastian; Wong, Wai Kwok; Sandven, Stein; Simpson, Matthew James Ross; Skogen, Morten D.; Pavlova, O.; Ravndal, Ole; Risebrobakken, Bjørg; Saloranta, Tuomo; Mezghani, Abdelkader; Nilsen, Jan Even Øie; Nilsen, Irene Brox; Kierulf, Halfdan; Kohler, Jack; Melvold, Kjetil; Gjelten, Herdis Motrøen; Gundersen, Jeanette; Jaedicke, Christian; Dobler, Andreas; Engeset, Rune; Frauenfelder, Regula; Gerland, Sebastian; Christiansen, Hanne H; Børsheim, Knut Yngve; Breivik, Øyvind; Breili, Kristian; Borstad, Christopher Paul; Benestad, Rasmus; Isaksen, Ketil; Adakudlu, Muralidhar; Førland, Eirik; Hisdal, Hege; Lutz, Julia; Mayer, Stephanie; Hanssen-Bauer, Inger; Sandø, Anne Britt; Andersen, Jess; Nilsen, Frank; Sorteberg, Asgeir; Li, Hong; Bogen, Jim; Beldring, Stein.
Climate in Svalbard 2100. : Norsk klimaservicesenter 2019 105 s. Norwegian Centre for Climate Services Reports(1/2019)
HAVFORSK MET NERSC NGI NINA NORCE NPI UiB UiO UiT NMBU UNIS Untitled
 
4 Cai, Lei; Lee, Hanna; Westermann, Sebastian; Aas, Kjetil Schanke.
Development of the subgrid excess ground ice framework in the Community Land Model. European Geosciences Union General Assembly; 2019-04-07 - 2019-04-12
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5 Czekirda, Justyna; Westermann, Sebastian; Etzelmüller, Bernd; Jóhannesson, Tómas.
Transient Modelling of Permafrost Distribution in Iceland. Frontiers in Earth Science 2019 ;Volum 7.(130)
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6 Etzelmüller, Bernd; Patton, Henry; Schomacker, Anders; Hubbard, Alun Lloyd; Czekirda, Justyna; Westermann, Sebastian.
Permafrost dynamics in Iceland between 18 ka BP and today – model results and geomorphological implications. EGU General Assembly 2019; 2019-04-07 - 2019-04-12
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7 Karjalainen, Olli; Aalto, Juha; Luoto, Miska; Westermann, Sebastian; Romanovsky, Vladimir E; Nelson, Frederick E.; Etzelmüller, Bernd; Hjort, Jan.
Data Descriptor: Circumpolar permafrost maps and geohazard indices for near-future infrastructure risk assessments. Scientific Data 2019 ;Volum 6. s. 1-16
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8 Obu, Jaroslav; Westermann, Sebastian; Bartsch, Annett; Berdnikov, Nikolai M.; Christiansen, Hanne H; Dashtseren, Avirmed; Delaloye, Reynald; Elberling, Bo; Etzelmüller, Bernd; Kholodov, Alexander; Khomutov, Artem V.; Kääb, Andreas; Leibman, Marina O.; Lewkowicz, Antoni G.; Panda, Santosh K.; Romanovsky, Vladimir E.; Way, Robert G.; Westergaard-Nielsen, Andreas; Wu, Tonghua; Yamkhin, Jambaljav; Zou, Defu.
Northern Hemisphere permafrost map based on TTOP modelling for 2000–2016 at 1 km2 scale. Earth-Science Reviews 2019 ;Volum 193. s. 299-316
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9 Zwieback, Simon; Westermann, Sebastian; Langer, Moritz; Boike, Julia; Marsh, Philip; Berg, Aaron.
Improving Permafrost Modeling by Assimilating Remotely Sensed Soil Moisture. Water Resources Research 2019 ;Volum 55.(3) s. 1814-1832
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2018
10 Aalstad, Kristoffer; Westermann, Sebastian; Schuler, Thomas; Boike, Julia; Bertino, Laurent.
Ensemble-based assimilation of fractional snow-covered area satellite retrievals to estimate the snow distribution at Arctic sites. The Cryosphere 2018 ;Volum 12.(1) s. 247-270
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11 Boike, Julia; Juszak, Inge; Lange, Stephan; Chadburn, Sarah; Burke, Eleanor; Paul Overduin, Pier; Roth, Kurt; Ippisch, Olaf; Bornemann, Niko; Stern, Lielle; Gouttevin, Isabelle; Hauber, Ernst; Westermann, Sebastian.
A 20-year record (1998-2017) of permafrost, active layer and meteorological conditions at a high Arctic permafrost research site (Bayelva, Spitsbergen). Earth System Science Data 2018 ;Volum 10.(1) s. 355-390
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12 Christiansen, Casper Tai; Westermann, Sebastian; Risk, David; Lee, Hanna.
Advancing permafrost carbon climate feedback – improvements and evaluations of the Norwegian Earth System Model with observations. 5th European Conference on Permafrost; 2018-06-24 - 2018-06-29
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13 Hjort, Jan; Karjalainen, Olli; Aalto, Juha; Westermann, Sebastian; Romanovsky, Vladimir E; Nelson, Frederick E.; Etzelmüller, Bernd; Luoto, Miska.
Degrading permafrost puts Arctic infrastructure at risk by mid-century. Nature Communications 2018 ;Volum 9. s. -
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14 Kjellman, Sofia E.; Axelsson, Pia E.; Etzelmüller, Bernd; Westermann, Sebastian; Sannel, A. Britta K..
Holocene development of subarctic permafrost peatlands in Finnmark, northern Norway. The Holocene 2018 ;Volum 28.(12) s. 1855-1869
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15 Lee, Hanna; Ekici, Altug; Robson, Benjamin Aubrey; Fan, Yuanchao; Westermann, Sebastian; Langer, Moritz.
Vulnerability of permafrost thaw and the emerging risks for the Arctic infrastructure. 5th European Conference on Permafrost; 2018-06-24 - 2018-06-29
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16 Strozzi, Tazio; Antonova, Sofia; Günther, Frank; Mätzler, Eva; Vieira, Gonçalo; Wegmüller, Urs; Westermann, Sebastian; Bartsch, Annett.
Sentinel-1 SAR interferometry for surface deformation monitoring in low-land permafrost areas. Remote Sensing 2018 ;Volum 10.(9) s. -
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17 Westergaard-Nielsen, Andreas; Karami, Mojtaba; Hansen, Birger Ulf; Westermann, Sebastian; Elberling, Bo.
Contrasting temperature trends across the ice-free part of Greenland. Scientific Reports 2018 ;Volum 8. s. -
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2017
18 Aas, Kjetil Schanke; Gisnås, Kjersti; Westermann, Sebastian; Berntsen, Terje Koren.
A Tiling Approach to Represent Subgrid Snow Variability in Coupled Land Surface–Atmosphere Models. Journal of Hydrometeorology 2017 ;Volum 18.(1) s. 49-63
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19 Aas, Kjetil Schanke; Westermann, Sebastian; Martin, Leo Celestin Paul; Berntsen, Terje Koren.
Degrading Palsa Mires in Northern Norway Simulated with a Regional Climate Model with a Subgrid Snow Scheme. The 2nd Asian Conference on Permafrost (ACOP2017); 2017-07-02 - 2017-07-06
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20 Borge, Amund Frogner; Westermann, Sebastian; Solheim, Ingvild; Etzelmüller, Bernd.
Strong degradation of palsas and peat plateaus in northern Norway during the last 60 years. The Cryosphere 2017 ;Volum 11.(1) s. 1-16
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21 Chadburn, Sarah E.; Burke, Eleanor J.; Cox, Peter M.; Friedlingstein, Pierre; Hugelius, Gustaf; Westermann, Sebastian.
An observation-based constraint on permafrost loss as a function of global warming. Nature Climate Change 2017 ;Volum 7.(5) s. 340-344
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22 Chadburn, Sarah E.; Krinner, Gerhard; Porada, Philipp; Bartsch, Annett; Beer, Christian; Belelli Marchesini, Luca; Boike, Julia; Ekici, Altug; Elberling, Bo; Friborg, Thomas; Hugelius, Gustaf; Johansson, Margareta; Kuhry, Peter; Kutzbach, Lars; Langer, Moritz; Lund, Magnus; Parmentier, Frans-Jan Willem; Peng, Shushi; van Huissteden, Ko; Wang, Tao; Westermann, Sebastian; Zhu, Dan; Burke, Eleanor J..
Carbon stocks and fluxes in the high latitudes: Using site-level data to evaluate Earth system models. Biogeosciences 2017 ;Volum 14.(22) s. 5143-5169
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23 Gisnås, Kjersti; Etzelmüller, Bernd; Lussana, Cristian; Hjort, Jan; Sannel, Britta; Isaksen, Ketil; Westermann, Sebastian; Kuhry, Peter; Christiansen, Hanne H; Frampton, Andrew; Åkermann, Jonas.
Permafrost Map for Norway, Sweden and Finland. Permafrost and Periglacial Processes 2017 ;Volum 28.(2) s. 359-378
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24 Kepski, Daniel; Luks, Bartek; Migala, K.; Wawrzyniak, Tomasz; Westermann, Sebastian; Wojtun, B..
Terrestrial Remote Sensing of Snowmelt in a Diverse High-Arctic Tundra Environment Using Time-Lapse Imagery. Remote Sensing 2017 ;Volum 9.(7) s. -
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25 Lee, Hanna; Christiansen, Casper Tai; Westermann, Sebastian.
Advancing permafrost carbon climate feedback – improvements and evaluations of the Norwegian Earth System Model with observations (FEEDBACK). ClimMani workshop; 2017-10-09 - 2017-10-10
NORCE UiB UiO Untitled
 
26 Magnin, Florence; Westermann, Sebastian; Pogliotti, Paolo; Ravanel, Ludovico; Deline, Phillip; Malet, Eric.
Snow control on active layer thickness in steep alpine rock walls (Aiguille du Midi, 3842 m a.s.l., Mont Blanc massif). CATENA 2017 ;Volum 149.(Part 2) s. 648-662
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27 Myhra, Kristin Sæterdal; Westermann, Sebastian; Etzelmuller, Bernd.
Modelled Distribution and Temporal Evolution of Permafrost in Steep Rock Walls Along a Latitudinal Transect in Norway by CryoGrid 2D. Permafrost and Periglacial Processes 2017 ;Volum 28.(1) s. 172-182
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28 Trofaier, Anna Maria; Westermann, Sebastian; Bartsch, Annett.
Progress in space-borne studies of permafrost for climate science: towards a multi-ECV approach. Remote Sensing of Environment 2017 ;Volum 203. s. 55-70
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29 Westermann, Sebastian; Peter, Maria; Langer, Moritz; Schwamborn, Georg; Schirrmeister, Lutz; Etzelmüller, Bernd; Boike, Julia.
Transient modeling of the ground thermal conditions using satellite data in the Lena River delta, Siberia. The Cryosphere 2017 ;Volum 11.(3) s. 1441-1463
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2016
30 Aalstad, Kristoffer; Bertino, Laurent; Westermann, Sebastian.
An ensemble-based subgrid snow data assimilation framework. AGU Fall Meeting; 2016-12-12 - 2016-12-16
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31 Antonova, Sonya; Duguay, Claude R.; Kääb, Andreas; Heim, Birgit; Langer, Moritz; Westermann, Sebastian; Boike, Julia.
Monitoring ice phenology and bedfast ice in lakes of the Lena River Delta using TerraSAR-X backscatter and coherence time series. Remote Sensing 2016 ;Volum 8.(11) s. -
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32 Bartsch, Annett; Grosse, Guido; Kääb, Andreas; Westermann, Sebastian; Strozzi, Tazio; Wiesmann, Andreas; Duguay, Claude; Seifert, Frank Martin; Obu, Jaroslav; Goler, Robert.
GlobPermafrost - How space-based earth observation supports understanding of permafrost. ESA SP 2016 ;Volum SP-740. s. -
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33 Gisnås, Kjersti; Westermann, Sebastian; Schuler, Thomas; Melvold, Kjetil; Etzelmüller, Bernd.
Small-scale variation of snow in a regional permafrost model. The Cryosphere 2016 ;Volum 10.(3) s. 1201-1215
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34 Langer, Moritz; Westermann, Sebastian; Boike, Julia; Kirillin, Sergej; Grosse, Guido; Peng, Shushi; Krinner, Gerhard.
Rapid degradation of permafrost underneath waterbodies in tundra landscapes - Toward a representation of thermokarst in land surface models. Journal of Geophysical Research - Earth Surface 2016 ;Volum 121.(12) s. 2446-2470
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35 Myhra, Kristin Sæterdal; Etzelmuller, Bernd; Westermann, Sebastian.
The Influence of Steep Rock Walls on the Thermal Regime of Talus Slopes. Nordic Geological Winter Meeting; 2016-01-12 - 2016-01-16
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36 Nuth, Christopher; Kääb, Andreas; Westermann, Sebastian; Winsvold, Solveig Havstad.
Climate Change from Global Monitoring of Glaciers and Permafrost. ESAs program Global Monitoring of Essential Climate Variables; 2016-11-18 - 2016-11-18
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37 Obu, Jaroslav; Westermann, Sebastian; Kääb, Andreas; Bartsch, Annett.
Mapping the Thermal State of Permafrost Through Modelling and Remote Sensing in ESA GlobPermafrost Project. AGU Fall Meeting 2016; 2016-12-12 - 2016-12-16
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38 Schuler, Thomas; Aalstad, Kristoffer; Aas, Kjetil Schanke; Burkhart, John; Dunse, Thorben; Filhol, Simon; Hulth, John; Østby, Torbjørn Ims; Westermann, Sebastian.
Towards real-time snow products for Svalbard. Community-Coordinated Svalbard Snow Sampling (C2S3), Svalbard Snow Science; 2016-11-09 - 2016-11-11
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39 Steiger, Céline; Etzelmüller, Bernd; Westermann, Sebastian; Myhra, Kristin Sæterdal.
Modelling the permafrost distribution in steep rock walls in Norway. Norsk Geologisk Tidsskrift 2016 ;Volum 96.(4) s. 1-13
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40 Wawrzyniak, Tomasz; Osuch, Marzena; Napiorkowski, Jaroslaw; Westermann, Sebastian.
Modelling of the thermal regime of permafrost during 1990-2014 in Hornsund, Svalbard. Polish Polar Research 2016 ;Volum 37.(2) s. 219-242
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41 Westermann, Sebastian; Langer, Moritz; Boike, Julia; Heikenfeld, Max; Peter, Maria; Etzelmuller, Bernd; Krinner, Gerhard.
Simulating the thermal regime and thaw processes of ice-rich permafrost ground with the land-surface model CryoGrid 3. Geoscientific Model Development 2016 ;Volum 9.(2) s. 523-546
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42 Westermann, Sebastian; Langer, Moritz; Østby, Torbjørn Ims; Peter, Maria; Boike, Julia; Gisnås, Kjersti; Aalstad, Kristoffer; Schuler, Thomas; Etzelmüller, Bernd; Jaroslav, Obu; Georg, Schwamborn; Lutz, Schirrmeister.
Mapping the thermal state of permafrost through modeling and remote sensing. 11th International Conference on Permafrost; 2016-06-20 - 2016-06-24
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2015
43 Aas, Kjetil Schanke; Berntsen, Terje Koren; Boike, Julia; Etzelmuller, Bernd; Kristjansson, Jon Egill; Maturilli, Marion; Schuler, Thomas; Stordal, Frode; Westermann, Sebastian.
A comparison between simulated and observed surface energy balance at the Svalbard Archipelago. Journal of Applied Meteorology and Climatology 2015 ;Volum 54.(5) s. 1102-1119
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44 Gisnås, Kjersti; Westermann, Sebastian; Schuler, Thomas; Melvold, Kjetil; Etzelmuller, Bernd.
Small-scale variation of snow in a regional permafrost model. The Cryosphere Discussions 2015 ;Volum 9. s. 6661-6696
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45 Langer, M; Westermann, Sebastian; Walter Anthony, K.; Wischnewski, K.; Boike, J..
Frozen ponds: Production and storage of methane during the Arctic winter in a lowland tundra landscape in northern Siberia, Lena River delta. Biogeosciences 2015 ;Volum 12.(4) s. 977-990
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46 Westermann, Sebastian; Elberling, B.; Højlund Pedersen, S.; Stendel, M.; Hansen, B. U.; Liston, G.E..
Future permafrost conditions along environmental gradients in Zackenberg, Greenland. The Cryosphere 2015 ;Volum 9.(2) s. 719-735
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47 Westermann, Sebastian; Østby, Torbjørn; Gisnås, Kjersti; Schuler, Thomas; Etzelmuller, Bernd.
A ground temperature map of the North Atlantic permafrost region based on remote sensing and reanalysis data. The Cryosphere 2015 ;Volum 9.(3) s. 1303-1319
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2014
48 Gisnås, Kjersti; Westermann, Sebastian; Etzelmuller, Bernd; Schuler, Thomas; Isaksen, Ketil; Litherland, Tobias; Boike, Julia.
A probabilistic approach to represent small-scale variability of permafrost temperatures due to snow cover. EUCOP4, 4th European Conference on Permafrost; 2014-06-18 - 2014-06-21
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49 Gisnås, Kjersti; Westermann, Sebastian; Schuler, Thomas; Litherland, Tobias; Isaksen, Ketil; Boike, Julia; Etzelmuller, Bernd.
A statistical approach to represent small-scale variability of permafrost temperatures due to snow cover. The Cryosphere Discussions 2014 ;Volum 8. s. 509-536
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50 Gisnås, Kjersti; Westermann, Sebastian; Schuler, Thomas; Litherland, Tobias; Isaksen, Ketil; Boike, Julia; Etzelmuller, Bernd.
A statistical approach to represent small-scale variability of permafrost temperatures due to snow cover. The Cryosphere 2014 ;Volum 8. s. 2063-2074
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