NDLI: Glacial change in the vicinity of Mt. Qomolangma (Everest), central high Himalayas since 1976

Content Provider	Springer Nature Link
Author	Nie, Yong Zhang, Yili Liu, Linshan Zhang, Jiping
Copyright Year	2010
Abstract	Glaciers are one of the most important land covers in alpine regions and especially sensitive to global climate change. Remote sensing has proved to be the best method of investigating the extent of glacial variations in remote mountainous areas. Using Landsat thematic mapping (TM) and multi-spectral-scanner (MSS) images from Mt. Qomolangma (Everest) National Nature Preserve (QNNP), central high Himalayas for 1976, 1988 and 2006, we derived glacial extent for these three periods. A combination of object-oriented image interpretation methods, expert knowledge rules and field surveys were employed. Results showed that (1) the glacial area in 2006 was 2710.17 ± 0.011 km$^{2}$ (about 7.41% of the whole study area), and located mainly to the south and between 4700 m to 6800 m above sea level; (2) from 1976 to 2006, glaciers reduced by 501.91 ± 0.035 km$^{2}$ and glacial lakes expanded by 36.88 ± 0.035 km$^{2}$; the rate of glacier retreat was higher in sub-basins on the southern slopes (16.79%) of the Himalayas than on the northern slopes (14.40%); most glaciers retreated, and mainly occurred at an elevation of 4700–6400 m, and the estimated upper limit of the retreat zone is between 6600 m and 6700 m; (3) increase in temperature and decrease in precipitation over the study period are the key factors driving retreat.
Starting Page	667
Ending Page	686
Page Count	20
File Format	PDF
ISSN	1009637X
Journal	Journal of Geographical Sciences
Volume Number	20
Issue Number	5
e-ISSN	18619568
Language	English
Publisher	SP Science China Press
Publisher Date	2010-08-03
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	glacial change glacial retreat Himalayas Mt. Qomolangma (Everest) National Nature Preserve remote sensing Remote Sensing/Photogrammetry Geographical Information Systems/Cartography Nature Conservation Physical Geography
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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