2009•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Study on Karst landscape spatial pattern based on remote sensing and GIS

Dan Xiao, Kangning Xiong, Yulun An, Wenzhuan Zhang

Abstract

The frangibility and vulnerability of Karst ecological environment have induced a series of major ecological environmental problems in Guizhou province, China. So, it is important to study the Karst landscape pattern in Guizhou province. In this paper, quantitative remote sensing inversion model and spatial analysis have been selected to study Karst landscape spatial pattern of Qingzhen city in Guizhou. The results show that the topological relations between different landscape patterns are very complexity and Qingzhen city has characteristics of high degree Karst landscape fragmentation and fragile Karst environment. Shrub-tree is a dominant landscape type while severe rock desertification landscape has strong interference characteristics.

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Key concepts: Karst, Geography, Shrub, Desertification, Fragmentation (computing), Remote sensing, Geographic information system, Physical geography