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Showing results 1-50 of 58 << Previous 1 2    Next >>

2024
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 Untitled
 
2023
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 Untitled
 
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 Untitled
 
4 Mazzolini, Marco; Aalstad, Kristoffer; Treichler, Désirée; Alonso-Gonzalez, Esteban.
Satellite Altimetry for Data Assimilation. Lunch seminar; 2023-03-24 - 2023-03-24
UiO Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
2022
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
2021
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
2020
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
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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. -
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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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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
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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 Untitled
 
2019
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 Untitled
 
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 Untitled
 
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
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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. -
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2018
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
2017
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
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 Untitled
 
2016
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 Untitled
 
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 Untitled
 
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