An Analysis on Relation of Rock Desertification to Stratum and Lithology in Karst Region—— A Case Study at Qingzhen City of Guizhou Plateau

ZHOU Zhong-fa; HUANG Lu-jia

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An Analysis on Relation of Rock Desertification to Stratum and Lithology in Karst Region—— A Case Study at Qingzhen City of Guizhou Plateau

- An Analysis on Relation of Rock Desertification to Stratum and Lithology in Karst Region—— A Case Study at Qingzhen City of Guizhou Plateau
- Bulletin of Soiland Water Conservation Vol. 22, Issue 1, Pages: 19-22(2003)
- 作者机构：
  
  贵州师范大学资源与环境科学系,贵州,贵阳,550001
- 作者简介：
- 基金信息：
- DOI：
  CLC： F301.21F127
- Published：2003
- 稿件说明：
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ZHOU Zhong-fa, HUANG Lu-jia. An Analysis on Relation of Rock Desertification to Stratum and Lithology in Karst Region—— A Case Study at Qingzhen City of Guizhou Plateau[J]. Bulletin of Soiland Water Conservation, 2003, 22(1): 19-22.
DOI：

ZHOU Zhong-fa, HUANG Lu-jia. An Analysis on Relation of Rock Desertification to Stratum and Lithology in Karst Region—— A Case Study at Qingzhen City of Guizhou Plateau[J]. Bulletin of Soiland Water Conservation, 2003, 22(1): 19-22. DOI：

摘要

喀斯特地区土地的石漠化与地层岩性、河流切割、土壤侵蚀、坡度及人类活动等有关。主要从岩性方面来分析喀斯特地区石漠化的成因

并以贵州高原的清镇市为例

结合石漠化的相关数据

运用GIS工作平台及计算机数据统计分析系统

分析各岩层组中各岩性石漠化的分布及等级

从而得出石灰岩地区的石漠化面积最大

石漠化程度最高

而泥灰岩地区的石漠化面积最少。因此

喀斯特地区的地层岩性与石漠化的级别和分布有密切关系。

Abstract

In karst region

rock desertification is related to stratum and lithology

incising of river

soil erosion

gradient and mankind action etc.The problem on how lithology affects rock desertification in karst region are analyzed.In the meantime

analysis of desert spatial distributing and grade is based on desert correlation data in Qingzhen city by GIS technique and data computing system.So it can be obtained that rock desertification area is the biggest and degree is the highest in limestone area

but it is reverse in marregion.Therefore

it is thouht that grade and distribution of rock desertification are related to the stratum and lithology in Karst region.

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