NDLI: Evaluation of land desertification from 1990 to 2010 and its causes in Ebinur Lake region, Xinjiang China

Content Provider	Springer Nature Link
Author	Zhang, Fei Tiyip, Tashpolat Johnson, Verner C. Kung, Hsiangte Ding, Jianli Zhou, Mei Fan, Yahui Kelimu, Ardak Nurmuhammat, Ilyas
Copyright Year	2014
Abstract	Desertification is a threat to human survival and has a major sustainability development impact on environment and socio-economic society. The study area where oasis desertification occurred is located east of the Ebinur Lake region, just west of Junggar Basin in Xinjiang, China. The ecological and environmental issues in the study area are vulnerable and sensitive. The authors of this paper discuss the changes in land desertification that occurred between 1990 and 2010. In the past 20 years, because of the human activities, such as population growth and agricultural development, desertification occurred rapidly in the study area. Remote sensing images were classified into eight categories: light desertification, moderate desertification, severe desertification, extremely severe desertification, bare rock, farmland, water body, and salt desert. To evaluate the evolution and status of land desertification as well as its causes, the authors interpreted and analyzed Landsat Thematic Mapper images (acquired in 1990, 2007, 2010) and Enhanced Landsat Thematic Mapper images (acquired in 2001) as well as meteorological and socio-economic data. Results revealed that 4,426.49, 3,713.25, 3,713.95 and 3,789.16 km$^{2}$ of the total area is desertified land during these four periods (1990, 2001, 2007, and 2010). The factors controlling desertified land dynamics were analyzed from the perspectives of two groups: climatic variations and human activities. The results indicated that the climate-dominated natural factors contribute greatly to the occurrence and development desertified land. However, they are not the fundamental causes of its development. The human factors are the primary and direct driving forces responsible for the increase in desertification area. More thorough quantitative analysis, with more frequent remotely sensed data is needed to assess the driving forces in more detail.
Starting Page	5731
Ending Page	5745
Page Count	15
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	73
Issue Number	9
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-11-06
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ebinur Lake region Desertification Desertification causes Xinjiang Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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