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Rock Glacier Velocity: An Essential Climate Variable Quantity for Permafrost [PDF]
Reviews of GeophysicsRock glaciers are distinctive debris landforms found worldwide in cold mountainous regions. They express the long‐term movement of perennially frozen ground.
Xavier Bodin +2 more
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An exploration of volcanic controls on glacier velocity
2023Approximately 17% of the Earth’s 1,413 Holocene volcanoes are glacier covered or possess at least one glacier within a radius of 5 km. Glacier-volcano interactions are therefore relatively common, yet our understanding of these interactions is hindered by a sparsity of observations and a lack of quantitative data.
Joseph Mallalieu +6 more
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Annual and Seasonal Variations in Glacier Velocity, and Surging Glaciers in the West Kunlun Mountain
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingMonitoring glacier velocity is crucial for revealing glacier dynamics and clarifying the responses of glaciers to climate change. The West Kunlun mountain (WKM) is at the center of the Karakoram Anomaly; however, insufficient systematic studies have been conducted to determine glacier velocities in this region.
Ninglian Wang, Gexia Qin, zhao Zhang
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Observations of Small Deviations in Glacier Velocity Measurements
IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium, 2008As part of the international IPY project GLACIODYN (the dynamic response of Arctic glaciers to global warming) the velocity of the Kronebreen glacier at Svalbard was measured testing an interferometric radar with high range and high temporal resolution.
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21st-Century Evolution of Greenland Outlet Glacier Velocities
Science, 2012Not So Fast Recent observations of some of Greenland's outlet glaciers have shown large and rapid increases in the speeds at which their ice has streamed to the sea. Simple projections of ice loss and sea level rise, based only on these increases, result in alarmingly high values and correspondingly great public concern. In order
Moon, T, Joughin, I, Smith, B, Howat, I
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Antarctica: Measuring Glacier Velocity from Satellite Images
Science, 1986Many Landsat images of Antarctica show distinctive flow and crevasse features in the floating part of ice streams and outlet glaciers immediately below their grounding zones. Some of the features, which move with the glacier or ice stream, remain visible over many years and thus allow time-lapse measurements of ice velocities.
B K, Lucchitta, H M, Ferguson
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Tide-induced perturbations of glacier velocities
Global and Planetary Change, 2007Abstract Recent observations showing substantial diurnal changes in velocities of glaciers flowing into the ocean, measured at locations far inland of glacier grounding lines, add fuel to the ongoing debate concerning the ability of glaciers to transmit longitudinal-stress perturbations over large distances.
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Glacier surface velocity measure based on polarimetric tracking
2012 IEEE International Geoscience and Remote Sensing Symposium, 2012The contribution of Polarimetric Synthetic Aperture Radar (PolSAR) images compared with the single-channel SAR in terms of temporal scene characterization has been found and described to add valuable information in the literature. Recently, a new PolSAR tracking algorithm has been proposed for glacier surface velocity monitoring.
Esra Erten +4 more
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The need for global glacier speed to combine measured velocity with balance velocity
2020<p>One of the outstanding glaciological research questions is how glaciers respond dynamically to climate change and how this varies regionally. Ice-velocity changes occur on an interannual scale in response to mass-balance forcing changing the glacier geometry and therefore the driving stress.
Hester Jiskoot +3 more
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Ice thickness distribution of Himalayan glaciers inferred from DInSAR-based glacier surface velocity
Environmental Monitoring and Assessment, 2022Retrieval of glacier ice thickness is extremely important for monitoring water resources and predicting glacier dynamics and changes. The inter-annual glacier ice thickness observations (more than 5 years) exploit the glacier mass changes. Ice thickness is one of the important parameters to predict the future sea-level rise.
Bala Raju Nela +2 more
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