Results 151 to 160 of about 199,741 (195)
POLYTHERMAL GLACIER HYDROLOGY: A REVIEW [PDF]
Reviews of Geophysics, 2011 The manner by which meltwater drains through a glacier is critical to ice dynamics, runoff characteristics, and water quality. However, much of the contemporary knowledge relating to glacier hydrology has been based upon, and conditioned by, understanding gleaned from temperate valley glaciers.
Brian J Moorman +2 more
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Rock glaciers and mountain hydrology: A review
Earth-Science Reviews, 2019 Abstract In mountainous regions, climate change threatens cryospheric water resources, and understanding all components of the hydrological cycle is necessary for effective water resource management. Rock glaciers are climatically more resilient than glaciers and contain potentially hydrologically valuable ice volumes, and yet have received less ...
Darren Jones +2 more
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Fate of glacier surface snow‐originating bacteria in the glacier‐fed hydrologic continuums
Environmental Microbiology, 2021Summary Glaciers represent important biomes of Earth and are recognized as key species pools for downstream aquatic environments. Worldwide, rapidly receding glaciers are driving shifts in hydrology, species distributions and threatening microbial diversity in glacier‐fed aquatic ecosystems. However, the impact of glacier surface snow‐
Keshao Liu +7 more
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Effect of near-terminus subglacial hydrology on tidewater glacier submarine melt rates [PDF]
Geophysical Research Letters, 2015 Submarine melting of Greenlandic tidewater glacier termini is proposed as a possible mechanism driving their recent thinning and retreat. We use a general circulation model, MITgcm, to simulate water circulation driven by subglacial discharge at the ...
Andrew J. Sole +2 more
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Perennial névés and the hydrology of rock glaciers
Permafrost and Periglacial Processes, 1992AbstractFrom 1986 to 1990 water tracing was carried out in three rock glaciers in the Upper Val de Réchy. Results indicate different patterns of circulation depending on the size and degree of activity of the rock glaciers. Two rock glaciers show rapid superficial flow and one has slow interstitial flow. This is analogous to supra‐ and subglacial flow.
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The eco-hydrology of glacier surfaces
2019Recent work has highlighted the importance of the so-called “weathering crust” as a microbially and hydrologically active layer on glacier surfaces. However, this layer is yet to undergo investigation, with no estimates of water, microbial or nutrient fluxes through it to downstream freshwater and marine ecosystems.
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A revised Canadian perspective: progress in glacier hydrology
Hydrological Processes, 2005AbstractCurrent research into glacier hydrology is occurring at a time when glaciers around the world, particularly those whose hydrological regimes affect populated areas, are shrinking as they go through a state of perpetual negative annual mass balance.
D Scott Munro
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Progress in glacier hydrology: a Canadian perspective
Hydrological Processes, 2000Glacier variations are signals of global change. Current estimates are that ice is being lost from small glaciers of the world at the rate of approximately 130 mm year -1 and that the impact of this alone would be to change sea level upward, by 0.25 mm year -1 .
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Glacier hydrology and the potential for subglacial karstification
Norsk Geografisk Tidsskrift - Norwegian Journal of Geography, 1984Contemporary models of subglacial hydrology identify two quasi-independent hydrologic systems at the bed of temperate alpine glaciers: a dendritic, low pressure conduit network and a more extensive, high pressure regelation film. Observations in Castleguard Cave beneath the Columbia Icefield suggest that this distinction continues into the groundwater ...
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