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Showing results 1-50 of 58
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2024
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1. |
Mazzolini, Marco; Aalstad, Kristoffer; Treichler, Désirée; Alonso-Gonzalez, Esteban. Spatio-temporal snow data assimilation with the ICESat-2 laser altimeter. SnowHydrology 2024; 2024-01-30 - 2024-02-02 UiO
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2023
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2. |
Alonso-Gonzalez, Esteban; Aalstad, Kristoffer; Pirk, Norbert; Mazzolini, Marco; Treichler, Désirée; Leclercq, Paul; Westermann, Sebastian; Lopez-Moreno, Juan I; Gascoin, Simon. Spatio-temporal information propagation using sparse observations in hyper-resolution ensemble-based snow data assimilation. Hydrology and Earth System Sciences (HESS) 2023 ;Volume 27.(24) p. 4637-4659 UiO
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3. |
Filhol, Simon; Fiddes, Joel; Aalstad, Kristoffer. TopoPyScale: A Python Package for Hillslope Climate Downscaling. Journal of Open Source Software (JOSS) 2023 ;Volume 8.(86) p. 1-6 UiO
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4. |
Mazzolini, Marco; Aalstad, Kristoffer; Treichler, Désirée; Alonso-Gonzalez, Esteban. Satellite Altimetry for Data Assimilation. Lunch seminar; 2023-03-24 - 2023-03-24 UiO
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5. |
Mazzolini, Marco; Aalstad, Kristoffer; Treichler, Désirée; Alonso-Gonzalez, Esteban. Spatio-temporal snow data assimilation with laser altimetry. LATICE seminar: Bayesian methods for the cryosphere; 2023-11-29 - 2023-11-29 UiO
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6. |
Mazzolini, Marco; Treichler, Désirée; Aalstad, Kristoffer; Alonso-Gonzalez, Esteban. Satellite Altimetry as a New Data Source for Snow Depth Data Assimilation. 10th EARSeL workshop on Land Ice and Snow; 2023-02-06 - 2023-02-08 UiO
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7. |
Pirk, Norbert; Aalstad, Kristoffer; Yilmaz, Yeliz A.; Vatne, Astrid; Popp, Andrea; Horvath, Peter; Bryn, Anders; Vollsnes, Ane Victoria; Westermann, Sebastian; Berntsen, Terje Koren; Stordal, Frode; Tallaksen, Lena M.. Snow-vegetation-atmosphere interactions in alpine tundra. Biogeosciences 2023 ;Volume 20.(11) p. 2031-2047 UiO
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8. |
Renette, Cas; Aalstad, Kristoffer; Aga, Juditha; Zweigel, Robin Benjamin; Etzelmüller, Bernd; Lilleøren, Karianne Staalesen; Isaksen, Ketil; Westermann, Sebastian. Simulating the effect of subsurface drainage on the thermal regime and ground ice in blocky terrain in Norway. Earth Surface Dynamics 2023 ;Volume 11.(1) p. 33-50 UiO MET
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9. |
Treichler, Désirée; Mazzolini, Marco; Piermattei, Livia; Webster, Clare; Girod, Luc; Aalstad, Kristoffer; Bühler, Y.. SNOWDEPTH: Spaceborne snow depth measurements from ICESat-2 laser altimetry and data assimilation. NASA SEUP call; 2023-01-25 - 2023-01-25 UiO
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10. |
van Hove, Alouette; Aalstad, Kristoffer; Pirk, Norbert. Using reinforcement learning to improve drone-based inference of greenhouse gas fluxes. Nordic Machine Intelligence (NMI) 2023 ;Volume 3. p. 1-6 UiO
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11. |
Westermann, Sebastian; Ingeman-Nielsen, Thomas; Scheer, Johanna; Aalstad, Kristoffer; Aga, Juditha; Chaudhary, Nitin; Etzelmüller, Bernd; Filhol, Simon; Kääb, Andreas; Renette, Cas; Schmidt, Louise Steffensen; Schuler, Thomas; Zweigel, Robin Benjamin; Martin, Leo Celestin Paul; Morard, Sarah; Ben-Asher, Matan; Angelopoulos, Michael; Boike, Julia; Groenke, Brian; Miesner, Frederieke; Nitzbon, Jan; Overduin, Paul; Stuenzi, Simone M.; Langer, Moritz. The CryoGrid community model (version 1.0) - a multi-physics toolbox for climate-driven simulations in the terrestrial cryosphere. Geoscientific Model Development 2023 ;Volume 16.(9) p. 2607-2647 UiO
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2022
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12. |
Alonso-Gonzalez, Esteban; Aalstad, Kristoffer; Baba, Mohamed Wassim; Revuelto, Jesus; Lopez-Moreno, Juan I; Fiddes, Joel; Essery, Richard; Gascoin, Simon. The Multiple Snow Data Assimilation System (MuSA v1.0). Geoscientific Model Development 2022 ;Volume 15.(24) p. 9127-9155 UiO
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13. |
Fiddes, Joel; Aalstad, Kristoffer; Lehning, Michael. TopoCLIM: rapid topography-based downscaling of regional climate model output in complex terrain v1.1. Geoscientific Model Development 2022 ;Volume 15. p. 1753-1768 UiO
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14. |
Pirk, Norbert; Aalstad, Kristoffer; Westermann, Sebastian; Vatne, Astrid; van Hove, Alouette; Tallaksen, Lena Merete; Cassiani, Massimo; Katul, Gabriel G.. Inferring surface energy fluxes using drone data assimilation in large eddy simulations. Atmospheric Measurement Techniques 2022 ;Volume 15.(24) p. 7293-7314 UiO NILU
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15. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon; Gascoin, Simon; Pirk, Norbert; Remmers, Janneke; Stordal, Frode; Tallaksen, Lena M.. Evaluating modeled snow cover dynamics over Fennoscandia using Earth observations. EGU General Assembly 2022; 2022-05-23 - 2022-05-27 UiO
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16. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon; Gascoin, Simon; Pirk, Norbert; Remmers, Janneke; Stordal, Frode; Tallaksen, Lena M.. Evaluating modeled snow cover dynamics over Fennoscandia using Earth observations and reanalyses. CBA Annual Meeting 2022; 2022-09-26 - 2022-09-27 UiO
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2021
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17. |
Aalstad, Kristoffer; Alonso-Gonzalez, Esteban; Bazilova, Varvara; Bertino, Laurent; Fiddes, Joel; Filhol, Simon; Pirk, Norbert; Westermann, Sebastian; Yilmaz, Yeliz A.. Unmixing satellite imagery using data assimilation to map snow and albedo. IGS Nordic Branch Meeting 2021; 2021-11-04 - 2021-11-06 UiO NERSC
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18. |
Aalstad, Kristoffer; Alonso-Gonzalez, Esteban; Bazilova, Varvara; Bertino, Laurent; Fiddes, Joel; Pirk, Norbert; Westermann, Sebastian. Leveraging emerging Earth observations using data assimilation. 6th Conference on Modelling Hydrology, Climate and Land Surface Processes; 2021-09-14 - 2021-09-16 NERSC UiO
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19. |
Aalstad, Kristoffer; Alonso-Gonzalez, Esteban; Bertino, Laurent; Fiddes, Joel; van Hove, Alouette; Pirk, Norbert; Westermann, Sebastian; Yilmaz, Yeliz A.. Learning from Earth observations using data assimilation. LATICE 2021 Annual Meeting; 2021-11-03 - 2021-11-04 NERSC UiO
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20. |
Aalstad, Kristoffer; Fiddes, Joel; Martin, Leo Celestin Paul; Alonso-Gonzalez, Esteban; Yilmaz, Yeliz A.; Pirk, Norbert; Westermann, Sebastian. Workshop on downscaling with TopoSCALE for cryospheric applications. ICIMOD Cryosphere Forum 2021 - Status of research on changing permafrost and associated impacts in the Hindu Kush Himalaya; 2021-09-20 - 2021-09-23 UiO
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21. |
Aalstad, Kristoffer; Westermann, Sebastian; Pirk, Norbert; Fiddes, Joel; Bertino, Laurent. Retrieving fractional snow-covered area from optical satellites using data assimilation. SIOS Online conference on remote sensing in Svalbard; 2021-06-08 - 2021-06-10 UiO NERSC
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22. |
Alonso-Gonzalez, Esteban; Gutmann, Ethan; Aalstad, Kristoffer; Fayad, Abbas; Bouchet, Marine; Gascoin, Simon. Snowpack dynamics in the Lebanese mountains from quasi-dynamically downscaled ERA5 reanalysis updated by assimilating remotely sensed fractional snow-covered area. Hydrology and Earth System Sciences (HESS) 2021 ;Volume 25.(8) p. 4455-4471 UiO
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23. |
Salzano, Roberto; Aalstad, Kristoffer; Boldrini, Enrico; Gallet, Jean-Charles; Kepski, Daniel; Luks, Bartlomiej; Salvatori, Rosamaria; Westermann, Sebastian; Nilsen, Lennart. Terrestrial photography applications on snow cover in Svalbard (PASSES). I: The State of Environmental Science in Svalbard. Longyearbyen: Svalbard Integrated Arctic Earth Observing System 2021 ISBN 978-82-93871-00-2. p. 236-251 NPI UiO UiT
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24. |
Salzano, Roberto; Aalstad, Kristoffer; Boldrini, Enrico; Gallet, Jean-Charles; Kȩpski, Daniel; Luks, Bartlomiej; Nilsen, Lennart; Salvatori, Rosamaria; Westermann, Sebastian. Terrestrial photography applications on snow cover in Svalbard (PASSES). I: The State of Environmental Science in Svalbard. Longyearbyen: Svalbard Integrated Arctic Earth Observing System 2021 ISBN 978-82-93871-00-2. p. 236-251 UiO NPI UiT
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25. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon; Gascoin, Simon; Stordal, Frode; Tallaksen, Lena M.. Benchmarking CLM5 snow cover dynamics with MODIS and reanalyses over Fennoscandia. CESM Land Model and Biogeochemistry Working Group Meeting; 2021-02-23 - 2021-02-25 UiO
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26. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon; Gascoin, Simon; Stordal, Frode; Tallaksen, Lena M.. Fennoscandian snow cover dynamics in the MODIS era. LATICE 2021 Annual Meeting; 2021-11-03 - 2021-11-04 UiO
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27. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon; Gascoin, Simon; Stordal, Frode; Tallaksen, Lena M.. Probing Fennoscandian Snow Cover Dynamics in the Community Land Model and Climate Reanalyses during the Satellite Era. 6th Conference on Modelling Hydrology, Climate and Land Surface Processes; 2021-09-14 - 2021-09-16 UiO
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2020
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28. |
Aalstad, Kristoffer; Westermann, Sebastian. ACS_Bayelva_class: 302 high-resolution snow cover maps covering the 2012-2017 snowmelt seasons in the Bayelva catchment (Svalbard, Norway). Zenodo Zenodo Open Data Repository 2020 UiO
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29. |
Aalstad, Kristoffer; Westermann, Sebastian; Bertino, Laurent. Evaluating satellite retrieved fractional snow-covered area at a high-Arctic site using terrestrial photography. Remote Sensing of Environment 2020 ;Volume 239. p. - NERSC UiO
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30. |
Aalstad, Kristoffer; Westermann, Sebastian; Fiddes, Joel; Karsten, Logan; McCreight, James; Bertino, Laurent. Testing ensemble-based snow reanalysis in the Lakes basin using the ASO. 2020 Airborne Snow Observatories, Inc. Annual Workshop; 2020-10-26 - 2020-10-29 NERSC UiO
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31. |
Aalstad, Kristoffer; Westermann, Sebastian; Fiddes, Joel; McCreight, James; Bertino, Laurent. Retrieving, validating, and assimilating fractional snow-covered area from emerging optical satellites for snow reanalysis. EGU General Assembly 2020; 2020-05-04 - 2020-05-08 UiO NERSC
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32. |
Aalstad, Kristoffer; Westermann, Sebastian; Pirk, Norbert; Fiddes, Joel; Karsten, Logan; McCreight, James; Alonso-Gonzalez, Esteban; Bertino, Laurent. Constraining land surface models with emerging observations. LATICE 2020 Annual Meeting; 2020-11-04 - 2020-11-05 UiO NERSC
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33. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon Vincent P; Stordal, Frode; Tallaksen, Lena M.. Fennoscandian snow cover phenology from MODIS, CLM5, and climate reanalyses. CBA Annual meeting 2020; 2020-10-06 - 2020-10-07 UiO
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34. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon Vincent P; Stordal, Frode; Tallaksen, Lena M.. Scandinavian snow cover phenology from MODIS, CLM, and reanalyses. LATICE 2020 Annual Meeting; 2020-11-04 - 2020-11-05 UiO
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35. |
Yilmaz, Yeliz A.; Aalstad, Kristoffer; Filhol, Simon Vincent P; Stordal, Frode; Tallaksen, Lena M.. The Representation of the Fennoscandian Snow Cover Phenology in Reanalyses and CLM5 during the MODIS-era. The Earth Observation for Water Cycle Science 2020 Conference; 2020-11-16 - 2020-11-19 UiO
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2019
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36. |
Aalstad, Kristoffer. Ensemble-based retrospective analysis of the seasonal snowpack. Department of Geosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, Blindern, Oslo, Norway: University of Oslo 2019 328 p. Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(2186) NERSC UiO
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37. |
Aalstad, Kristoffer; Westermann, Sebastian; Fiddes, Joel; Bertino, Laurent. Retrieving the depletion of snow-covered area from multiple optical satellite sensors with applications for SWE reanalysis. Living Planet Symposium; 2019-05-13 - 2019-05-17 UiO NERSC
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38. |
Fiddes, Joel; Aalstad, Kristoffer; Westermann, Sebastian. Hyper-resolution ensemble-based snow reanalysis in mountain regions using clustering. Hydrology and Earth System Sciences (HESS) 2019 ;Volume 23.(11) p. 4717-4736 UiO
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39. |
Yilmaz, Yeliz; Aalstad, Kristoffer; Sen, Omer L.. Multiple remotely sensed lines of evidence for a depleting seasonal snowpack in the near east. Remote Sensing 2019 ;Volume 11.(5) p. - UiO
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2018
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40. |
Aalstad, Kristoffer; Westermann, Sebastian; Bertino, Laurent; Schuler, Thomas; Boike, Julia; Karsten, Logan. Towards high-resolution Bayesian snow reconstruction in permafrost regions. CESM Land Model and Biogeochemistry Working Group Meeting; 2018-02-05 - 2018-02-07 UiO NERSC
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41. |
Aalstad, Kristoffer; Westermann, Sebastian; Karsten, Logan; Fiddes, Joel; Bertino, Laurent. Snow history matching in mountainous terrain. 8th GEWEX Open Science Conference: Extremes and Water on the Edge; 2018-05-06 - 2018-05-11 NERSC UiO
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42. |
Aalstad, Kristoffer; Westermann, Sebastian; Karsten, Logan; Gutmann, Ethan; McCreight, James; Fiddes, Joel; Bertino, Laurent. Ensemble-based reanalysis of the seasonal montane snowpack: Lessons from the ASO. 3rd Annual NASA Airborne Snow Observatory Workshop; 2018-09-10 - 2018-09-13 UiO NERSC
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43. |
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 ;Volume 12.(1) p. 247-270 UiO NERSC
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2017
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44. |
Aalstad, Kristoffer; Westermann, Sebastian; Schuler, Thomas; Boike, Julia; Bertino, Laurent. Ensemble-based subgrid snow data assimilation. 4th Conference on Modelling Hydrology, Climate and Land Surface Processes; 2017-09-12 - 2017-09-14 UiO NERSC
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45. |
Aalstad, Kristoffer; Westermann, Sebastian; Schuler, Thomas; Boike, Julia; Bertino, Laurent. Towards High-Resolution SWE Mapping in Permafrost Regions. 2nd Asian Conference on Permafrost; 2017-07-02 - 2017-07-06 NERSC UiO
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46. |
Aalstad, Kristoffer; Westermann, Sebastian; Schuler, Thomas; Boike, Julia; Bertino, Laurent. Towards High-Resolution SWE Mapping in Permafrost Regions. 2nd Asian Conference on Permafrost; 2017-07-02 - 2017-07-06 UiO NERSC
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47. |
Christakos, Konstantinos; Varlas, George; Cheliotis, Ioannis; Aalstad, Kristoffer; Papadopoulos, Anastasios; Katsafados, Petros; Steeneveld, Gert Jan. Quantitative variability of renewable energy resources in Norway. European Geosciences Union General Assembly 2017; 2017-04-23 - 2017-04-28 NORCE UiO
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48. |
Leclercq, Paul Willem; Aalstad, Kristoffer; Altena, Bas; Elvehøy, Hallgeir. Modelling of glacier surface mass balance with assimilation of glacier mass balance and snow cover observations from remote sensing. EGU 2017; 2017-04-23 - 2017-04-28 UiO
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2016
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49. |
Leclercq, Paul Willem; Aalstad, Kristoffer; Elvehøy, Hallgeir; Altena, Bas. Assimilation of glacier mass balance and snow cover fraction observations in a glacier surface mass balance model. Workshop on Data Assimilation in Terrestrial Systems; 2016-09-19 - 2016-09-21 UiO
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50. |
Aalstad, Kristoffer; Bertino, Laurent; Westermann, Sebastian. An ensemble-based subgrid snow data assimilation framework. AGU Fall Meeting; 2016-12-12 - 2016-12-16 UiB UiO
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