Results 161 to 170 of about 5,053 (191)

Do debris-covered glaciers demonstrate distinctive hydrological behaviour compared to clean glaciers?

Journal of Hydrology, 2019
Supraglacial debris is known to strongly influence the distribution of glacier surface melt. Since melt inputs drive the formation and evolution of glacial drainage systems, it should follow that the drainage systems of debris-covered glaciers will ...
Catriona L Fyffe, Ben W Brock, Claudio Smiraglia   +2 more
exaly   +3 more sources

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The role of glacier structures in the degradation of debris-covered glaciers.

2023
Glaciers in High Mountain Asia (HMA) are in a state of rapid decline, attributed to climatic changes at an intra-regional scale. Mass loss from glaciers in the region occurs in the form of the thinning and recession of glacier tongues, formation and coalescence of supraglacial ponds, and a growth in the size and number of glacial lakes, leading to a ...
openaire   +1 more source

Debris cover and the thinning of Kennicott Glacier, Alaska

2021
<p>Many glaciers in High Mountain Asia are experiencing the debris-cover anomaly. The Kennicott Glacier, a large Alaskan Glacier, is also thinning most rapidly under debris cover. This contradiction has been explained by melt hotspots, such as ice cliffs, streams, or ponds scattered within the debris cover or by declining ice flow in time.
Leif S. Anderson, William H. Armstrong, Robert S. Anderson, Dirk Scherler   +3 more
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Modelling debris-covered glacier melt

2023
Meltwater from glaciers contributes to hydro-electricity and agricultural production in some places, and model predictions of glacier melt can inform water management decisions. However, predictions are inherently uncertain. Accurately constrained uncertainty can be key to success of management decisions.
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Debris thickness patterns on debris-covered glaciers

Geomorphology, 2018
Abstract Many debris-covered glaciers have broadly similar debris thickness patterns: surface debris thickens and tends to transition from convex- to concave-up-down glacier. We explain this pattern using theory (analytical and numerical models) paired with empirical observations.
Leif S. Anderson, Robert S. Anderson
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The geomorphology of debris-covered Ponkar Glacier, Nepal

2020
<p>Understanding the evolution of debris-covered glaciers in High Mountain Asia is important for making informed projections of climate change impacts and associated water security and hazard-related issues.  Here we describe the geomorphology of Ponkar Glacier, a debris-covered glacier in Nepal using high-resolution
Neil Glasser, Adina Racoviteanu, Stephan Harrison, Matthew Peacey, Rakesh Kayastha, Rijan Bhakta Kayastha   +5 more
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Structurally controlled englacial origin of supraglacial debris cover and relief at a debris-covered Alpine glacier

2022
<p>It is common for temperate glaciers in mountainous regions to exhibit an extensive ablation-zone supraglacial debris cover. Although secondary reworking of surface debris and its role in modifying rates of glacier melt is receiving increasing attention, debris origin and primary distribution is poorly understood. Arguably, studies have
Darrel Swift, Andrew Jones, Matthew Westoby, Robert Bryant, Remy Veness   +4 more
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DEBRIS-COVERED GLACIERS AND ROCK GLACIERS

2014
The debris-covered glaciers are observed all over the glaciation regions of the world (Alps, Antarctica, Greenland, Ants, Cascades, Rocky Mountains and ext.). The debris covered glaciers are the formations which occur as a result of the recession of normal glaciers.
GÜRGEN, Gürcan, Çaliskan, Onur
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Inferring Debris Properties on Debris-Covered Glaciers: Implications for Glacier Modelling

Debris, ranging from thin surface dust to medial moraines and thick, continuous layers in ablation zones, partially covers glaciers all around the world. By modifying energy transfer from the atmosphere to the ice, the supraglacial debris layer fundamentally controls sub-debris melt rates.
Vicente Melo Velasco, Evan Miles, Michael McCarthy, Thomas E. Shaw, Catirona Fyffe, Francesca Pellicciotti   +5 more
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Rock Glacier and Debris-Covered Glacier

2014
W. Brian Whalley, Norikazu Matsuoka, András Sik, Ákos Kereszturi, Henrik Hargitai   +4 more
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