Search Results - "KÄÄB, Andreas"

Accelerated global glacier mass loss in the early twenty-first century by Hugonnet, Romain, McNabb, Robert, Berthier, Etienne, Menounos, Brian, Nuth, Christopher, Girod, Luc, Farinotti, Daniel, Huss, Matthias, Dussaillant, Ines, Brun, Fanny, Kääb, Andreas

“…Glaciers distinct from the Greenland and Antarctic ice sheets are shrinking rapidly, altering regional hydrology 1 , raising global sea level 2 and elevating…”
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A spatially resolved estimate of High Mountain Asia glacier mass balances from 2000 to 2016 by Brun, Fanny, Berthier, Etienne, Wagnon, Patrick, Kääb, Andreas, Treichler, Désirée

“…High Mountain Asia hosts the largest glacier concentration outside the polar regions. These glaciers are important contributors to streamflow in one of the…”
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Contrasting patterns of early twenty-first-century glacier mass change in the Himalayas by Kääb, Andreas, Berthier, Etienne, Nuth, Christopher, Gardelle, Julie, Arnaud, Yves

“…Data for the Hindu Kush–Karakoram–Himalaya region from satellite laser altimetry and a global elevation model shows that glacier thinning varied by an order of…”
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Sub-pixel precision image matching for measuring surface displacements on mass movements using normalized cross-correlation by Debella-Gilo, Misganu, Kaab, Andreas

“…This study evaluates the performance of two fundamentally different approaches to achieve sub-pixel precision of normalised cross-correlation when measuring…”
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Ensemble matching of repeat satellite images applied to measure fast-changing ice flow, verified with mountain climber trajectories on Khumbu icefall, Mount Everest by Altena, Bas, Kääb, Andreas

“…Velocities within an icefall are typically the fastest within a glacier system and experience complex flow. The combination of convergent and fast flow, and…”
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Rock glaciers across the United States predominantly accelerate coincident with rise in air temperatures by Kääb, Andreas, Røste, Julie

“…Despite their extensive global presence and the importance of variations in their speed as an essential climate variable, only about a dozen global time series…”
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Massive collapse of two glaciers in western Tibet in 2016 after surge-like instability by Kääb, Andreas, Leinss, Silvan, Gilbert, Adrien, Bühler, Yves, Gascoin, Simon, Evans, Stephen G., Bartelt, Perry, Berthier, Etienne, Brun, Fanny, Chao, Wei-An, Farinotti, Daniel, Gimbert, Florent, Guo, Wanqin, Huggel, Christian, Kargel, Jeffrey S., Leonard, Gregory J., Tian, Lide, Treichler, Désirée, Yao, Tandong

“…Surges and glacier avalanches are expressions of glacier instability, and among the most dramatic phenomena in the mountain cryosphere. Until now, the…”
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Quantifying river ice movement through a combination of European satellite monitoring services by Altena, Bas, Kääb, Andreas

“…Every spring the mechanical river ice break-up and associated ice-runs or flooding pose a threat to communities at Northern latitudes. Monitoring and…”
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Error sources and guidelines for quality assessment of glacier area, elevation change, and velocity products derived from satellite data in the Glaciers_cci project by Paul, Frank, Bolch, Tobias, Briggs, Kate, Kääb, Andreas, McMillan, Malcolm, McNabb, Robert, Nagler, Thomas, Nuth, Christopher, Rastner, Philipp, Strozzi, Tazio, Wuite, Jan

“…Satellite data provide a large range of information on glacier dynamics and changes. Results are often reported, provided and used without consideration of…”
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Sensitivity of glacier volume change estimation to DEM void interpolation by McNabb, Robert, Nuth, Christopher, Kaab, Andreas, Girod, Luc

“…Glacier mass balance has been estimated on individual glacier and regional scales using repeat digital elevation models (DEMs). DEMs often have gaps in…”
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Elevation Change and Improved Velocity Retrieval Using Orthorectified Optical Satellite Data from Different Orbits by Altena, Bas, Kääb, Andreas

“…Optical satellite products are available at different processing levels. Of these products, terrain corrected (i.e., orthorectified) products are the ones…”
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Glacier Remote Sensing Using Sentinel-2. Part II: Mapping Glacier Extents and Surface Facies, and Comparison to Landsat 8 by Paul, Frank, Winsvold, Solveig H, Kaeaeb, Andreas, Nagler, Thomas, Schwaizer, Gabriele

“…Mapping of glacier extents from automated classification of optical satellite images has become a major application of the freely available images from…”
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Mechanisms leading to the 2016 giant twin glacier collapses, Aru Range, Tibet by Gilbert, Adrien, Leinss, Silvan, Kargel, Jeffrey, Kääb, Andreas, Gascoin, Simon, Leonard, Gregory, Berthier, Etienne, Karki, Alina, Yao, Tandong

“…In north-western Tibet (34.0∘ N, 82.2∘ E) near lake Aru Co, the entire ablation areas of two glaciers (Aru-1 and Aru-2) suddenly collapsed on 17 July and…”
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Svalbard glacier elevation changes and contribution to sea level rise by Nuth, Christopher, Moholdt, Geir, Kohler, Jack, Hagen, Jon Ove, Kääb, Andreas

“…We compare satellite altimetry from the Ice, Cloud, and Land Elevation Satellite (ICESat, 2003–2007) to older topographic maps and digital elevation models…”
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Spatial variability of recent glacier area changes in the Tien Shan Mountains, Central Asia, using Corona (~ 1970), Landsat (~ 2000), and ALOS (~ 2007) satellite data by Narama, Chiyuki, Kääb, Andreas, Duishonakunov, Murataly, Abdrakhmatov, Kanatbek

“…Geographic variability of the recent changes of glacier coverage in the Tien Shan Mountains, Central Asia, is assessed using Corona KH-4B satellite photographs…”
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Glacier Remote Sensing Using Sentinel-2. Part I: Radiometric and Geometric Performance, and Application to Ice Velocity by Kääb, Andreas, Winsvold, Solveig, Altena, Bas, Nuth, Christopher, Nagler, Thomas, Wuite, Jan

“…With its temporal resolution of 10 days (five days with two satellites, and significantly more at high latitudes), its swath width of 290 km, and its 10 m and…”
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A Consistent Framework for Coupling Basal Friction With Subglacial Hydrology on Hard‐Bedded Glaciers by Gilbert, Adrien, Gimbert, Florent, Thøgersen, Kjetil, Schuler, Thomas V., Kääb, Andreas

“…Below hard‐bedded glaciers, both basal friction and distributed subglacial drainage are thought to be controlled by a network of cavities. Previous coupled…”
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Thaw Subsidence of a Yedoma Landscape in Northern Siberia, Measured In Situ and Estimated from TerraSAR-X Interferometry by Antonova, Sofia, Sudhaus, Henriette, Strozzi, Tazio, Zwieback, Simon, Kääb, Andreas, Heim, Birgit, Langer, Moritz, Bornemann, Niko, Boike, Julia

“…In permafrost areas, seasonal freeze-thaw cycles result in upward and downward movements of the ground. For some permafrost areas, long-term downward movements…”
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Motion detection using near-simultaneous satellite acquisitions by Kääb, Andreas, Leprince, Sébastien

“…A number of acquisition constellations for airborne or spaceborne optical images involve small time-lags and produce near-simultaneous images, a type of data…”
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Modeling Glacier Elevation Change from DEM Time Series by Wang, Di, Kääb, Andreas

“…In this study, a methodology for glacier elevation reconstruction from Digital Elevation Model (DEM) time series (tDEM) is described for modeling the evolution…”
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