[1]HE Yi,YANG Tai-bao,DU Juan,et al.Glacier Variation of Past 22 Years in Alatau Mountains of Central Asia Based on GIS and RS[J].Research of Soil and Water Conservation,2013,20(06):130-134.
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Glacier Variation of Past 22 Years in Alatau Mountains of Central Asia Based on GIS and RS
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 06
Page number:
130-134
Column:
Public date:
2013-12-28
- Title:
- Glacier Variation of Past 22 Years in Alatau Mountains of Central Asia Based on GIS and RS
- Keywords:
- Alatau Mountains; GIS; RS; glacier change; climate response
- CLC:
- P343.6
- DOI:
- -
- Abstract:
- The Alatau Mountain was selected as a example to search a method for delineating glacier extent by Landsat TM, ETM+ image of 1990,1999 and 2011. The study area for glaciers was extracted by using the remote sensing image processing and analyzing method, and the changes of glaciers in the study area were analyzed with the support of the GIS technology. The results indicated that the amplitude of the whole change of glaciers in Alatau Mountain was large and glaciers had retreated rapidly during the study period 1990 to 2011. The total area for the investigated glaciers had reduced by 20.24%. The glaciers were mainly distributed in the northern slope, northeast slope and northwestern slope, but retreat rate of western slope reached to 30.96%. Compared with the period of 1990—1999, the retreat rate of glaciers would speed up in the past 10 years. The glacier area distribution of study area first tended to increased with altitude, up to 3 600 m~3 800 m after decreasing trend. By studying the hot springs and the Alaskan mountain meteorological stations, little precipitation change and its temperature rises may be the main reasons for glacier retreat in the study area.
- References:
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