[1]ZHOU Qi-gang,CHEN Dan.Researched on the Topographic Differentiation of Land Use in Chongqing Mountainous Metropolitan Area[J].Research of Soil and Water Conservation,2013,20(03):86-91.
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Researched on the Topographic Differentiation of Land Use in Chongqing Mountainous Metropolitan Area
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 03
Page number:
86-91
Column:
Public date:
2013-06-28
- Title:
- Researched on the Topographic Differentiation of Land Use in Chongqing Mountainous Metropolitan Area
- Keywords:
- land use; topographic differentiation; terrain niche index; distribution index; Chongqing Mountainous Metropolitan Area
- CLC:
- F301.24
- DOI:
- -
- Abstract:
- With the continuous expansion of construction land, the conditionality of land topography on land use is more and more outstanding under the background of the high-speed development of Urbanization. Chongqing Mountainous Metropolitan Area was taken as an example and the data of the land use status and slope were extracted from DEM and TM of study area in 2010. Researching the distribution index of land use in different altitude, slope and terrain niche was conducted to analysis the topography distribution characteristics of land use in the studied area. The results indicated that the distribution index of different land utilization types in different terrain factor had significant differentiation characteristics. Dominant land use type had obvious difference in each of the topography grade. Along with the expansion of construction land, various types of land use in the flatland of 500~1 200 m, low gentle slope of 400~600 m and high gentle slope less than 500 m, had a clear trend of competition. These regions are the key regions where the relationship between human and land should be adjusted. The phenomenon of construction land occupying cultivated land and many farmland existing on steep slope should be concerned.
- References:
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