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Glacier changes


Bolch, Tobias (2017). Glacier changes. In: Richardson, Douglas; Castree, Noel; Goodchild, Michael F; Kobayashi, Audrey; Liu, Weidong; Marston, Richard A. The international encyclopedia of geography : people, the earth, environment, and technology. Hoboken: Wiley-Blackwell Publishing, Inc, online.

Abstract

Glaciers are naturally subject to changes in line with the Earth's climate variability. Area and length changes of glaciers which are not influenced by debris cover, calving, or dynamic instabilities show a filtered and delayed climate signal while the glacier mass balance can be more directly linked to climate. Glaciers retreated on average strongly since the end of the Last Glacial Maximum about 19 000 years ago with several periods with glacier advances especially during the Holocene. Clearly visible moraines of the Little Ice Age indicate the maximum glacier extent occurring between the seventeenth to the late nineteenth century. The glaciers retreated again strongly and lost mass since then with an accelerated rate since the 1980s. However, glacier changes are not homogeneous throughout the globe but local deviations and even regions with stable glacier conditions exist. Further significant reduction of glacier mass is projected for the twenty-first century.

Abstract

Glaciers are naturally subject to changes in line with the Earth's climate variability. Area and length changes of glaciers which are not influenced by debris cover, calving, or dynamic instabilities show a filtered and delayed climate signal while the glacier mass balance can be more directly linked to climate. Glaciers retreated on average strongly since the end of the Last Glacial Maximum about 19 000 years ago with several periods with glacier advances especially during the Holocene. Clearly visible moraines of the Little Ice Age indicate the maximum glacier extent occurring between the seventeenth to the late nineteenth century. The glaciers retreated again strongly and lost mass since then with an accelerated rate since the 1980s. However, glacier changes are not homogeneous throughout the globe but local deviations and even regions with stable glacier conditions exist. Further significant reduction of glacier mass is projected for the twenty-first century.

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Additional indexing

Item Type:Book Section, not refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Language:English
Date:2017
Deposited On:27 Mar 2017 14:50
Last Modified:19 Feb 2018 07:48
Publisher:Wiley-Blackwell Publishing, Inc
ISBN:978-0-470-65963-2
OA Status:Closed
Publisher DOI:https://doi.org/10.1002/9781118786352.wbieg0397
Related URLs:http://onlinelibrary.wiley.com/book/10.1002/9781118786352 (Publisher)

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