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Tag: Glacier

Contribution of snow and glacier melt to river flow: Selected upper river basins of the HICAP study, average 1998–2007
Precipitation falls as either snow or rain, depending on the temperature, which is closely linked to elevation. Snow can be stored as long-term (perennial) snow or become ice and contribute to the growth of glaciers. Sno...
09 Dec 2015 - by Kaya Asdal
Future contribution of snow and glacier melt to river flow: Projected total flow and average discharge by 2041–2050, RCP 8.5 dry-warm case
Depending on the stream flow composition (glacial melt, snow melt, rainfall, baseflow), different rivers within each of the basins will respond differently to climate change. Currently, the peak discharges within the upp...
09 Dec 2015 - by Kaya Asdal
Future contribution of snow and glacier melt to river flow: Projected total flow and average discharge by 2041–2050, RCP 4.5 cold-wet case
Depending on the stream flow composition (glacial melt, snow melt, rainfall, baseflow), different rivers within each of the basins will respond differently to climate change. Currently, the peak discharges within the upp...
09 Dec 2015 - by Kaya Asdal
How mountain glaciers gain and lose mass
Glaciers respond to climatic changes by gaining or losing mass in the form of snow and ice. Sustained climatic changes will eventually lead to glacier advance or retreat. Glaciers in the HKH region are losing mass and re...
09 Dec 2015 - by Kaya Asdal
The Hindu Kush Himalayan region
The Hindu Kush Himalayas (HKH) are the freshwater towers of South Asia and parts of Southeast Asia. Water originating from their snow, glaciers and rainfall feed the ten largest river systems in Asia. Together these rive...
09 Dec 2015 - by Kaya Asdal
Changing Glaciers in the Hindu Kush Himalayas
Glaciers are some of the most sensitive indicators of climate change, as they respond rapidly to changes in temperature and precipitation. Glaciers can provide local water resources in the mountains as well as influence ...
09 Dec 2015 - by Kaya Asdal
Projected glacial area change by 2050
There has been an almost worldwide recession of glaciers since the last ice age, including within the Himalayas. Most Himalayan glaciers have both retreated and lost mass since the mid-19th century, with some exceptions ...
09 Dec 2015 - by Kaya Asdal
Jakobshavn Isbrae and ice fjord, showing locations of the calving ice front in years from 1851 to 2006, together with flow velocity observations
The glacier extends through the Illulisat Icefjord, surrounded by mountains. Icebergs calve off from the main glacier, pile up and block the fjord before being released into Qeqertarsuup Tunua (Disko) Bay and Davis Strai...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Glacier Mass Balance
Glacier mass loss has been observed across the Arctic, consistent with the global trend.
27 Oct 2009 - by Laura Margueritte
Major glacier hazard locations
Major glacier hazard locations
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Melting snow on Kilimanjaro
At the February 2001 meeting of the American Association for the Advancement of Science (AAAS), researchers reported dramatic changes in the volume of ice capping the Kibo summit of Kilimanjaro.This graphic shows the est...
17 May 2005 - by Delphine Digout, UNEP/GRID-Arendal
Rapid decline of the San Quintin glacier, North Patagonia
Glaciers grow and retreat at intervals depending on local climate changes, particularly variations in temperature and precipitation . Retreating and diminishing mountain glaciers all over the world, except in the Antarc...
17 May 2005 - by GRID-Arendal
Quick retreat of the Santa Rosa glacier, Peru
Several mountain glaciers now disappear at a frightening rate as in the Santa Rosa glacier of Peru. A warmer climate often leads to increased precipitation. Much of the increased precipitation comes as rain instead of s...
17 May 2005 - by GRID-Arendal
Mass balance of the Antisana glacier (Ecuador) versus ENSO variability index
Time series 1995-200 with ENSO index vs glacier.
17 May 2005 - by Viktor Novikov, UNEP/GRID-Arendal
Retreat of the ice cap on the Volcano Nevado Santa Isabel (Colombia)
Shows the retreat of the glacier on the volcano Nevado Santa Isabel and the correlation of global warming. With spectacular mountain peak glaciers melting away, the area becomes less attractive to tourists. In addition,...
17 May 2005 - by GRID-Arendal
Sea level rise due to the melting of mountain and subpolar glaciers
Oceans change as a result of the impact of climatic variability on glaciers and ice caps that further contributes to fluctuation sin sea leve. Observational and modelling studies of glaciers and ice caps indicate an ave...
17 May 2005 - by GRID-Arendal
Water towers of Asia - glaciers, water and population in the greater Himalayas-Hindu Kush-Tien Shan-Tibet region
The Himalayas–Hindu Kush, Kunlun Shan, Pamir and Tien Shan mountain ranges function as water towers, providing water to people through much of Asia. The glacier-fed rivers originating from the Himalaya mountain ranges su...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
South America, southern ice fields
In Southern South America there are primarily three ice fields with major glaciers - the Northern and Southern Patagonian Icefield in the Andes, and then Cordillera Darwin in the very south. All of these are very vulnera...
17 Mar 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Mass balance reference glaciers in nine mountain ranges
Thirty reference glaciers with almost continuous mass balance measurements since 1975 show an average annual mass loss of 0.58 m water equivalent for the past decade (1996–2005), which is more than twice the loss rat...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Mass balance of Maliy Aktru Glacier, Russian Altai
Measurements on this valley-type glacier in the North Chuyskiy Range show a slightly negative annual mass balance trend culminating in an ice loss of about 4 m water equivalent over the period 1964–2005.
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
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