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supraglacial lakes

Modelling channelized surface drainage of supraglacial lakes

Modelling channelized surface drainage of supraglacial lakes

... ABSTRACT. Supraglacial lakes can drain to the bed of ice sheets, affecting ice dynamics, or over their surface, relocating surface ...time, lakes are observed to drain >70 km across the Nivlisen ...

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Wintertime storage of water in buried supraglacial lakes across the Greenland Ice Sheet

Wintertime storage of water in buried supraglacial lakes across the Greenland Ice Sheet

... buried supraglacial lakes, and we find that they were distributed extensively around the GrIS mar- gin through that ...Buried supraglacial lakes can persist through multiple winters and are, ...

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Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

... Results suggest that subglacial meltwater is routed along the northern sector of the glacier when it is largely con- trolled by ice-pressure gradients (k > 0.6), and meltwater is channelled to the southern region when ...

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Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

... Results suggest that subglacial meltwater is routed along the northern sector of the glacier when it is largely con- trolled by ice-pressure gradients (k > 0.6), and meltwater is channelled to the southern region when ...

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Mapping the bathymetry of supraglacial lakes and streams on the Greenland ice sheet using field measurements and high-resolution satellite images

Mapping the bathymetry of supraglacial lakes and streams on the Greenland ice sheet using field measurements and high-resolution satellite images

... of supraglacial lakes and streams from WorldView2 (WV2) satellite ...of supraglacial bathymetry is not only feasible but potentially highly accu- ...

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Comparative Analysis of Different Remote Sensing Techniques for Mapping of Supraglacial Lakes on Hispar Glacier

Comparative Analysis of Different Remote Sensing Techniques for Mapping of Supraglacial Lakes on Hispar Glacier

... of supraglacial lakes are the very devastating hazards in the mountainous regions, which have increased in recent years due to alarming increasing temperature trend in the northern Pakistan, causing ...

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Dual-satellite (Sentinel-2 and Landsat 8) remote sensing of supraglacial lakes in Greenland

Dual-satellite (Sentinel-2 and Landsat 8) remote sensing of supraglacial lakes in Greenland

... monitor supraglacial lakes on the Greenland Ice Sheet (GrIS); how- ever, most satellite records must trade off higher spatial res- olution for higher temporal resolution ...tomated Supraglacial lake ...

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Influence of ice-sheet geometry and supraglacial lakes on seasonal ice-flow variability

Influence of ice-sheet geometry and supraglacial lakes on seasonal ice-flow variability

... Abstract. Supraglacial lakes play an important role in estab- lishing hydrological connections that allow lubricating sea- sonal meltwater to reach the base of the Greenland Ice ...of supraglacial ...

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Simulating the growth of supraglacial lakes at the western margin of the Greenland ice sheet

Simulating the growth of supraglacial lakes at the western margin of the Greenland ice sheet

... of supraglacial lakes at the western margin of the Greenland ice sheet, based on routing runoff estimated by a regional climate model across a digital elevation model (DEM) of the ice sheet ...of ...

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Supraglacial lakes on the Greenland ice sheet advance inland under warming climate

Supraglacial lakes on the Greenland ice sheet advance inland under warming climate

... of lakes) or where the bedrock is relatively smooth (61% of lakes) (Supplementary Table S2), though a more detailed analysis of these relationships will likely require bed elevation data of higher ...

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Near-surface permeability in a supraglacial drainage basin on the Llewellyn Glacier, Juneau Icefield, British Columbia

Near-surface permeability in a supraglacial drainage basin on the Llewellyn Glacier, Juneau Icefield, British Columbia

... of supraglacial stream net- works reflects competition between surface melting, endo- genic channelization instabilities and external control by un- derlying glacier ...structure. Supraglacial hydrology ...

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Basal control of supraglacial meltwater catchments  on the Greenland Ice Sheet

Basal control of supraglacial meltwater catchments on the Greenland Ice Sheet

... In supraglacial environments fluvial incision occurs by melting, and an analog of the stream power law may be de- rived with n = 1 (Karlstrom and Yang, ...for supraglacial streams (Karlstrom and Yang, ...

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Atmospheric change promotes increasing cyanobacteria dominance in Swedish lakes

Atmospheric change promotes increasing cyanobacteria dominance in Swedish lakes

... from lakes as the incidence of cyanobacteria bloom formation continues to rise (Bradford et ...across lakes, due to the differing chemical starting conditions among lakes within regions of similar ...

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Structure and evolution of the drainage system of a Himalayan debris covered glacier, and its relationship with patterns of mass loss

Structure and evolution of the drainage system of a Himalayan debris covered glacier, and its relationship with patterns of mass loss

... The recent history of Spillway Lake was discussed in detail by Thompson et al. (2012, 2016) and is briefly reviewed here. The present spillway through the SW side of the terminal moraine has been in existence since at ...

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Phosphorus cycling in lakes

Phosphorus cycling in lakes

... (1969), "Physical Factors with Bearing on Eutrophication in Lakes in General and in Large Lakes in Particular", in Eutrophication: Causes, Consequences, Correctives, National [r] ...

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Surface lowering of the debris-covered area of Kanchenjunga Glacier in the eastern Nepal Himalaya since 1975, as revealed by Hexagon KH-9 and ALOS satellite observations

Surface lowering of the debris-covered area of Kanchenjunga Glacier in the eastern Nepal Himalaya since 1975, as revealed by Hexagon KH-9 and ALOS satellite observations

... by supraglacial debris cover in their ablation ...of supraglacial ponds and ice cliffs can lead to significant and intense ice wastage ...and supraglacial ponds on debris-covered glaciers are often ...

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Impact of the Drainage System on Water Vegetation of the Lowland Lakes (Eastern Poland)

Impact of the Drainage System on Water Vegetation of the Lowland Lakes (Eastern Poland)

... studied lakes consists predominantly of emergent macrophyte communities. In lakes Bikcze and Skomielno communities of submerged macrophytes dominated, whereas in lakes changed into retention ...

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Supraglacial ponds regulate runoff from Himalayan debris covered glaciers

Supraglacial ponds regulate runoff from Himalayan debris covered glaciers

... a supraglacial debris mantle present on many of the region ’ s glaciers, which cov- ers up to 36% of the glacierized area in the Everest region (Bolch et ...2014). Supraglacial debris exerts a critical in fl ...

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Supraglacial Ponds Regulate Runoff From Himalayan Debris‐Covered Glaciers

Supraglacial Ponds Regulate Runoff From Himalayan Debris‐Covered Glaciers

... A lack of in situ observations of meltwater generation, transit, and runoff for Himalayan glaciers (Bajracharya et al., 2015; Immerzeel et al., 2012) has led to uncertainties in the prediction of their hydrological ...

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Supraglacial Ponds Regulate Runoff From Himalayan Debris‐Covered Glaciers

Supraglacial Ponds Regulate Runoff From Himalayan Debris‐Covered Glaciers

... Confidential manuscript submitted to Geophysical Research Letters 94 Figure 1: a ASTER imagery Sept 2012 of the Everest region, Nepal, outlining lower 95 elevations of the Khumbu Glacier[r] ...

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