Multi-simulation of spatial distribution of land use based on CLUE-S in Jinhe Watershed
SHI Yunxia1, WANG Fanxia2, WU Zhaopeng1,2
1. Department of Geography, Geography and Tourism Science Institute, Xinjiang Normal University, Urumqi 830054, China;
2. Municipal Key Laboratory of Arid Lake Environment and Resource, Urumqi 830054, China
Based on CLUE-S model with digital land use images of 1972 and 1990, the authors detected the key forces driving land use change and controlling land use pattern in Jinhe watershed of Xinjiang from such biophysical and socioeconomic factors as railways, highways, canals, rivers, Aibi Lake and residents by using logistic stepwise regression method. With the analytical data obtained, the CLUE-S model suitable for modeling the study area was constructed in 2010. Also this result was validated by the Kappa index 0.82. Then two scenarios of land-use spatial allocation in Jinhe watershed in 2025, namely, "historical development trend scenario" and "ecology-priority scenario", were established through designing different restrictions on land-use transition when CLUE-S model was performed in GIS environment. Some conclusions have been reached: CLUE-S model is a powerful tool to simulate land-use spatial distribution trend in the future at the arid regional scale; In the historical development trend scenario, the ecological environment will be further deteriorated in 2025; In the ecology-priority scenario, the ecological environment will be optimized, and the land utilization rate will be raised too. The results obtained by the authors will be of use to sustainable development of land-use in arid oasis and other environmental fragile zones.
施云霞, 王范霞, 毋兆鹏. 基于CLUE_S模型的精河流域绿洲土地利用空间格局多情景模拟[J]. 国土资源遥感, 2016, 28(2): 154-160.
SHI Yunxia, WANG Fanxia, WU Zhaopeng. Multi-simulation of spatial distribution of land use based on CLUE-S in Jinhe Watershed. REMOTE SENSING FOR LAND & RESOURCES, 2016, 28(2): 154-160.
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2016, Vol. 28 
