[1]CHEN Dan,ZHOU Qi-gang,HE Chang-hua,et al.Research on the Differentiation of Land Use Terrain Feature from 1985 to 2010 in Chongqing Mountainous Metropolitan Area[J].Research of Soil and Water Conservation,2013,20(05):210-215,220.
Copy
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 05
Page number:
210-215,220
Column:
Public date:
2013-10-28
- Title:
-
Research on the Differentiation of Land Use Terrain Feature from 1985 to 2010 in Chongqing Mountainous Metropolitan Area
- Author(s):
-
CHEN Dan, ZHOU Qi-gang, HE Chang-hua, LIU Lin-lin
-
School of Tourism and Land Resources, Chongqing Technology and Business University, Chongqing 400067, China
-
- Keywords:
-
land use change; terrain feature; terrain niche index; distribution index; Chongqing Mountainous Metropolitan Area
- CLC:
-
F311
- DOI:
-
-
- Abstract:
-
Along with the shift of low-intensity land use type into high-intensity land use, the conditionality of land topography on land use is more and more outstanding in the process of urbanization. Chongqing Mountainous Metropolitan Area was taken as an example in this paper. Based on the data of DEM and annual TM of Chongqing Mountainous Metropolitan Area from 1985 to 2010, the change rule of distribution index of land use in different altitude, slope and terrain niche was comprehensively analyzed. The results indicated that the distribution index of different land utilization types in different terrain factors had significant differentiation characteristics. The change rule of land use in every terrain factor level had obvious regularity with time process. During the 6 years since 1985, the high strength utilization land was mainly concentrated in the flatland with the altitude lower than 500 m and low gentle slope with the altitude lower than 400 m. The structure of land use was always stable in these areas. The regions in flatland with altitude of 500~1 200 m, low gentle slope with the altitude of 400~600 m and high gentle slope with the altitude lower than 500 m because of the obvious contradiction between human and land. Various types of land use showed a clear trend of competition in these areas. The phenomenon of the area reduction of grassland and woodland was happened in the high gentle slope with the altitude higher than 500 m, low gentle slope with the altitude higher than 600 m and the entire steep slope. These are key areas of land-use monitoring in Chongqing Mountainous Metropolitan Area because human will seriously affect the ecological environment through the land use in these regions. The results provide reference for the reasonable plan of land use in Chongqing Mountainous Metropolitan Area.