scispace - formally typeset
Open AccessJournal ArticleDOI

Glacier Change, Concentration, and Elevation Effects in the Karakoram Himalaya, Upper Indus Basin

Kenneth Hewitt
- 15 Sep 2011 - 
- Vol. 31, Iss: 3, pp 188-200
TLDR
In this paper, evidence of distinctive late and post-Little Ice Age glacier change in the Karakoram Himalaya and a recent, seemingly anomalous, expansion is presented.
Abstract
This paper seeks to explain evidence of distinctive late- and post-Little Ice Age glacier change in the Karakoram Himalaya and a recent, seemingly anomalous, expansion. Attention is directed to processes that support and concentrate glacier mass, including an all-year accumulation regime, avalanche nourishment, and effects related to elevation. Glacier basins have exceptional elevation ranges, and rockwalls make up the larger part of their area. However, more than 80% of the ice cover is concentrated between 4000 and 5500 m elevation. Classification into Turkestan-, Mustagh-, and Alpine-type glaciers is revisited to help identify controls over mass balance. Estimates of changes based on snowlines, equilibrium line altitudes, and accumulation area ratio are shown to be problematic. Extensive debris covers in ablation zone areas protect glacier tongues. They are relatively insensitive to climate change, and their importance for water supply has been exaggerated compared to clean and thinly covered ...

read more

Citations
More filters
Journal ArticleDOI

Contrasting patterns of early twenty-first-century glacier mass change in the Himalayas

TL;DR: Satellite laser altimetry and a global elevation model are used to show widespread glacier wastage in the eastern, central and south-western parts of the HKKH during 2003–08 and show indirect evidence of a complex pattern of glacial responses in reaction to heterogeneous climate change signals.
Journal ArticleDOI

Consistent increase in High Asia's runoff due to increasing glacier melt and precipitation

TL;DR: In this paper, the authors used a large-scale, high-resolution cryospheric hydrological model to quantify the upstream hydrologogical regimes of the Indus, Ganges, Brahmaputra, Salween and Mekong rivers and analyzed the impacts of climate change on future water availability in these basins using the latest climate model ensemble.
Journal ArticleDOI

Slight mass gain of Karakoram glaciers in the early twenty-first century

TL;DR: In this paper, an analysis of the regional mass balance of Karakoram glaciers by comparison of digital elevation models from 1999 to 2008 reveals a small glacier mass gain in the area.
Journal ArticleDOI

Brief Communication: Contending estimates of 2003–2008 glacier mass balance over the Pamir–Karakoram–Himalaya

TL;DR: In this paper, the authors present glacier thickness changes over the entire Pamir-Karakoram-Himalaya arc based on ICESat satellite altimetry data for 2003-2008.
References
More filters
Book

Glaciers and glaciation.

TL;DR: Glaciers and Glaciation as discussed by the authors is a classic textbook for all students of glaciation, and it has established a reputation as a comprehensive and essential resource for students of glaciers.
Book

The Little Ice Age

Jean M. Grove
TL;DR: The evidence for the Little Ice Age, the most important fluctuation in global climate in historical times, is most dramatically represented by the advance of mountain glaciers in the sixteenth and seventeenth centuries and their retreat since about 1850 as discussed by the authors.

Little Ice Age

TL;DR: The Neoglacial period as discussed by the authors is the most extensive recent period of mountain glacier expansion and is conventionally defined as the 16th-mid 19th century period during which European climate was most strongly impacted.
Journal ArticleDOI

Spatially variable response of Himalayan glaciers to climate change affected by debris cover

TL;DR: In this paper, an analysis of remotely sensed frontal changes and surface velocities from glaciers in the greater Himalaya between 2000 and 2008 shows large regional variability in the responses of Himalayan glaciers to climate change.
Journal ArticleDOI

The Karakoram Anomaly? Glacier Expansion and the `Elevation Effect,' Karakoram Himalaya

TL;DR: In the late 1990s widespread evidence of glacier expansion was found in the central Karakoram, in contrast to a worldwide decline of mountain glaciers as mentioned in this paper, and the expansions were almost exclusively in glacier basins from the highest parts of the range and developed quickly after decades of decline.
Related Papers (5)