Quantitative analysis of land use and land cover changes from the multi-temporal remote sensing data in the Bosten Lake Basin, Chinese Tian Shan

3rd International Symposium on Earth Observation for Arid and Semi-Arid Environments

Maimaiti, A.^1,2 ; Wang, L.M.^1 ; Yan, F.^1 ; Zhang, J.^1 ; Ma, Y.X.^1

Kashgar Research Center, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Kashgar

844000, China^1

Key Laboratory of Oasis Ecology, College of Resources and Environmental Sciences, Xinjiang University, Urumqi

830046, China^2

关键词: Environmental change;    Land use and land cover;    Land use and land cover change;    Multi-temporal remote sensing;    Natural environments;    Natural grassland;    Remote sensing images;    Theory and practice;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/74/1/012011/pdf
DOI  :  10.1088/1755-1315/74/1/012011

来源: IOP

【 摘 要 】

In this paper, the spatial changes of land use and land cover (LUCC) in Bosten Lake Basin from 1985 to 2015 were analyzed, based on the 3S technology and four periods of remote sensing images in 1985, 1998, 2008 and 2015. The driving force of the LUCC was analyzed quantitatively using principal component analysis (PCA) method. The results showed that there was a wide change of LUCC in the Bosten Lake Basin in the past 30 years. During this periods, natural grassland decreased with a rate of 62.6 km2/a, while cultivated land and residential land increased with a rate of 28.9 km2/a. The rapid expansion of cultivated land was the result of natural grassland and unused land reclamation. Meanwhile, other land use types changed slightly. The results of PCA analysis indicated that the LUCC change was result of the interaction of human activity (social and economic factors) and natural environmental changes (climate change). Therefore, it is necessary to consistently improve the natural environment of Bosten Lake Basin. This study can provide stable basis of the theory and practice for sustainable development of Bosten Lake Basin.