Results 221 to 230 of about 1,053,257 (263)

Modeling of the Mass Balance of Glaciers with Debris Cover

2021
Mountain glaciers are an important contributor to river runoff and sea-level change, and are an excellent proxy for climate change. Glaciers account for about 0.5% of the terrestrial land surface, and most of these glaciers are largely shrinking and thinning due to ongoing climate change.
Yong Zhang, Shiyin Liu
openaire   +1 more source

Rock glaciers as proxy for machine learning based debris‐covered glacier mapping of Kinnaur District, Himachal Pradesh

Earth Surface Processes and Landforms
This research introduces an innovative approach by utilising rock glaciers (RGs) as a proxy for mapping debris‐covered glaciers (DCGs). This approach focuses on the interconnected nature of glaciers, DCGs and RGs in a continuum where DCGs can transform ...
Ipshita Priyadarsini Pradhan, K. Mahanta, Nishant Tiwari, D. P. Shukla   +3 more
semanticscholar   +1 more source

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

Classification of Debris-Covered Glaciers and Rock Glaciers in the Andes of Central Chile

Geomorphology, 2015
In the Dry Andes of Chile (17 to 35° S), debris-covered glaciers and rock glaciers are differentiated from true glaciers based on the percentage of surface debris cover, thickness of surface debris, and ice content. Internal ice is preserved by an insulating cover of thick debris, which acts as a storage reservoir to release water during the summer and
Janke, Jason R., Bellisario, Antonio C., Ferrando Acuña, Francisco   +2 more
exaly   +3 more sources

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.
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
openaire   +1 more source

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
openaire   +1 more source

Evolution of a debris-covered glacier in the western Himalaya during the last four decades (1971–2016): A multiparametric assessment using remote sensing and field observations

Geomorphology, 2019
This study assesses the response of the Panchi Nala glacier, Bhaga Basin, western Himalaya to climate change by monitoring multiple glacier parameters namely, length, area, debris cover, snowline altitude (SLA), surface ice velocity (SIV), and surface ...
A. Shukla, P. Garg
semanticscholar   +1 more source

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
openaire   +1 more source

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
openaire   +1 more source