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1 Altena, Bas; Kääb, Andreas.
Ensemble matching of repeat satellite images applied to measure fast-changing ice flow, verified with mountain climber trajectories on Khumbu icefall, Mount Everest. Journal of Glaciology 2020 ;Volum 66.(260) s. 905-915
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2 Chambers, Christopher; Greve, Ralf; Altena, Bas; Lefeuvre, Pierre-Marie.
Possible impacts of a 1000 km long hypothetical subglacial river valley towards Petermann glacier in northern Greenland. The Cryosphere 2020 ;Volum 14.(11) s. 3747-3759
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3 Haga, Odin Næss; McNabb, Robert Whitfield; Nuth, Christopher; Altena, Bas; Schellenberger, Thomas; Kääb, Andreas.
From high friction zone to frontal collapse: dynamics of an ongoing tidewater glacier surge, Negribreen, Svalbard. Journal of Glaciology 2020 ;Volum 66.(259) s. 742-754
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4 Altena, Bas.
Copernicus Sentinels observe vast and fast movements in the Arctic.
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5 Altena, Bas.
Observing the ice of our planet with daily cubesat imagery. I: Close Range Sensing Techniques in Alpine Terrain. Proceedings of the Innsbruck Summer School of Alpine Research 2019, 16.–22.06.2019 in Obergurgl, Austria. Verlag der Österreichischen Akademie der Wissenschaften 2019 ISBN 978-3-7001-8622-9. s. 10-11
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6 Altena, Bas.
Sensing surface shifts with high-repeat Sentinel-2 imagery. Coffee talks @ Phi-lab; 2019-12-11 - 2019-12-11
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7 Altena, Bas; Armstrong, William; Kääb, Andreas.
On the origin of ogives. Alpine glaciology meeting; 2019-02-28 - 2019-03-01
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8 Altena, Bas; Haga, Odin Næss; Nuth, Christopher; Kääb, Andreas.
Monitoring sub-weekly evolution of surface velocity and elevation for a high-latitude surging glacier using sentinel-2. International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences 2019 ;Volum 42.(2) s. 1723-1727
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9 Altena, Bas; Kääb, Andreas.
River ice velocity from Sentinel-twogether and PROBA-VELOCITY. Living Planet Symposium; 2019-05-16 - 2019-05-16
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10 Altena, Bas; Kääb, Andreas.
Shifts in surface, speed, or shadows: What do we measure with different time-of-day overpasses of Sentinel-2. Very high-resolution radar & optical data assessment (VH-RODA); 2019-11-18 - 2019-11-22
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11 Altena, Bas; Kääb, Andreas.
Techniques to reveal inter-annual glacier flow from optical remote sensing. Assembly of the International Union of Geodesy and Geophysics; 2019-07-08 - 2019-07-18
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12 Altena, Bas; Scambos, Ted A; Fahnestock, M; Kääb, Andreas.
Extracting recent short-term glacier velocity evolution over southern Alaska and the Yukon from a large collection of Landsat data. The Cryosphere 2019 ;Volum 13.(3) s. 795-814
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13 Altena, Bas; Schellenberger, Thomas; Kääb, Andreas.
Bringing together remote sensing data to produce region-wide glacier velocities. Living Planet Symposium; 2019-05-15 - 2019-05-15
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14 Altena, Bas; Wouters, Bert; Van den Broeke, Michiel; Kääb, Andreas; Raup, Bruce; Scambos, Ted A; Saunier, Sebastien.
Eratosthenes. Earth Observation, Science & Society Symposium; 2019-10-10 - 2019-10-10
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15 Deschamps-Berger, Cesar; Nuth, Christopher; Van Pelt, Ward; Berthier, Etienne; Kohler, Jack; Altena, Bas.
Closing the mass budget of a tidewater glacier: the example of Kronebreen, Svalbard. Journal of Glaciology 2019 ;Volum 65.(249) s. 136-148
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16 Kääb, Andreas; Altena, Bas; Mascaro, Joseph.
River-ice and water velocities using the Planet optical cubesat constellation. Hydrology and Earth System Sciences 2019 ;Volum 23.(10) s. 4233-4247
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17 Altena, Bas.
Daily cubesat imagery to observe and assess processes in the cryosphere. Geofysikernes studentaften; 2018-03-21 - 2018-03-21
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18 Altena, Bas.
From satellite snapshots towards snow and ice services. Geoscience and Remote Sensing Open Seminar Series; 2018-09-11 - 2018-09-11
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19 Altena, Bas.
Knowledge on the ground, through observed ice flow from space. Remote Sensing meeting; 2018-07-06 - 2018-07-06
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20 Altena, Bas.
researching glaciers with satellite imagery. Beryllium newsletter [Internett] 2018-09-01
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21 Altena, Bas.
Should we send Hans Brinker to the Greenland Ice Sheet?. Tvergastein 2018 ;Volum 11. s. 14-23
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22 Altena, Bas; Kääb, Andreas.
High-resolution surface and upper fjord circulation of Greenland fjords from optical remote sensing. AGU Fall Meeting; 2018-12-10 - 2018-12-10
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23 Altena, Bas; Kääb, Andreas.
Doves & displacements. Sensor fusion and analysis ready data with the Planet platform; 2018-12-08 - 2018-12-08
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24 Altena, Bas; Kääb, Andreas.
ICEFLOW: short-term movements in the cryosphere. Geohyd lunch seminar; 2018-10-12 - 2018-10-12
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25 Altena, Bas; Kääb, Andreas.
Kinematics in the Cryosphere from space. HB-lunsj; 2018-09-27 - 2018-09-27
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26 Altena, Bas; Kääb, Andreas.
Observing change in glacier flow from space. Frontiers for Young Minds 2018 ;Volum 6. s. 1-9
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27 Altena, Bas; Kääb, Andreas.
Sensing a moving Arctic from space. Arctic Day; 2018-10-31 - 2018-10-31
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28 Altena, Bas.
Observing change in glacier flow by using optical satellites. Oslo, Norway: Universitetet i Oslo 2018 246 s. Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(1977)
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29 Altena, Bas; Scambos, Ted A; Fahnestock, M; Kääb, Andreas.
Automatic extraction of velocity time-series at mountain range scale from Landsat 8.. Workshop on the Dynamics and Mass Budget of Arctic Glaciers & the IASC Network on Arctic Glaciology Annual Meeting; 2018-01-21 - 2018-01-23
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30 Gong, Yongmei; Zwinger, Thomas; Åström, J.; Altena, Bas; Schellenberger, Thomas; Gladstone, Rupert; Moore, John C..
Simulating the roles of crevasse routing of surface water and basal friction on the surge evolution of Basin 3, Austfonna ice cap. The Cryosphere 2018 ;Volum 12.(5) s. 1563-1577
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31 Gong, Yongmei; Zwinger, Thomas; Åström, Jan; Altena, Bas; Schellenberger, Thomas; Gladstone, Rupert; Moore, John C..
Simulating the roles of crevasse routing of surface water and basal friction on the surge evolution of Basin 3, Austfonna ice-cap. The Cryosphere 2018 ;Volum 12. s. 1563-1577
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32 Altena, Bas.
Observing processes in the cryosphere through historical and modern optical data. brown bag meeting; 2017-06-05 - 2017-06-05
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33 Altena, Bas.
small cube-sats and big ice-cubes. Meetup 50; 2017-06-07 - 2017-06-07
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34 Altena, Bas; Dakka, Jumana.
Daily river ice monitoring from space. Polar-HPC Workshop-Hackathon; 2017-08-01 - 2017-08-04
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35 Altena, Bas; Kääb, Andreas.
Elevation change and improved velocity retrieval using orthorectified optical satellite data from different orbits. Remote Sensing 2017 ;Volum 9.(3) s. -
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36 Altena, Bas; Kääb, Andreas.
Glacier ice loss monitored through the Planet cubesat constellation. IEEE international workshop on the analysis of multitemporal Remote Sensing images; 2017-06-27 - 2017-06-29
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37 Altena, Bas; Kääb, Andreas.
Weekly glacier flow estimation from dense satellite time series using adapted optical flow technology. Frontiers in Earth Science 2017 ;Volum 5. s. -
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38 Altena, Bas; Mousivand, A; Mascaro, J; Kääb, Andreas.
Potential and limitations of photometric reconstruction through a flock of dove cubesats. International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences 2017 ;Volum 42.(3) s. 7-11
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39 Gong, Yongmei; Zwinger, Thomas; Åström, Jan A.; Altena, Bas; Schellenberger, Thomas; Gladstone, Rupert M; Moore, John.
Basal friction evolution and crevasse distribution during the surge in Basin-3, Austfonna ice-cap - offline coupling between a continuum ice dynamic model and a discrete element model. European Geosciences Union (EGU) general assembly; 2017-04-25 - 2017-04-25
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40 Kääb, Andreas; Altena, Bas; Mascaro, Joseph.
Coseismic displacements of the 14 November 2016 Mw 7.8 Kaikoura, New Zealand, earthquake using the Planet optical cubesat constellation. Natural hazards and earth system sciences 2017 ;Volum 17. s. 627-639
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41 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
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42 Altena, Bas; Kääb, Andreas.
Estimating the seasonal glacier flow-field evolution of Kronebreen from the SPOT5-take5 campaign. Living planet symposium; 2016-05-09 - 2016-05-13
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43 Altena, Bas; Kääb, Andreas.
Glacier photogrammetry. Fridays Optical Remote Sensing group meeting; 2016-11-04 - 2016-11-04
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44 Altena, Bas; Leclercq, Paul Willem; Kääb, Andreas.
Automatic monitoring of the transient snowline on mountain glaciers. Advancing horizons for land cover services entering the big data era; 2016-05-06 - 2016-05-07
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45 Kääb, Andreas; Altena, Bas.
An icy Planet. Planet Labs; 2016-12-14
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46 Kääb, Andreas; Treichler, Désirée Silvana; Girod, Luc Maurice Ramuntcho; Lefeuvre, Pierre-Marie; Schellenberger, Thomas; Altena, Bas; Jonassen, Vetle; Nuth, Christopher; McNabb, Robert Whitfield; Gilbert, Adrien.
On the Karakoram anomaly. American Geophysical Union; 2016-12-12
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47 Kääb, Andreas; Winsvold, Solveig Havstad; Altena, Bas; Nuth, Christopher.
The potential of Sentinel-2 for investigating glaciers, permafrost and related natural hazards. ESA Living Planet Symposium; 2016-05-09 - 2016-05-13
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48 Kääb, Andreas; Winsvold, Solveig Havstad; Altena, Bas; Nuth, Christopher; Nagler, Thomas; Wuite, Jan.
Glacier remote sensing using Sentinel-2. Part I: Radiometric and geometric performance, and application to ice velocity. Remote Sensing 2016 ;Volum 8.(7) s. -
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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
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50 Winsvold, Solveig Havstad; Kääb, Andreas; Altena, Bas; Nuth, Christopher.
Radiometrisk og geometrisk ytelse av Sentinel-2 relatert til brekartlegging. Møte Norge Digitalt - Faggruppe for satellittdata; 2016-03-15 - 2016-03-15
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