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1:20万道县图区,地跨湘南和广西东部,面积7448.32平方公里,岩溶分布占全区面积的52.6％,其中裸露型占67.42％,覆盖型占30.77％,埋藏型占1.81％。本文着重从区域性条件,探讨其地貌分类和形成过程。
The area of 1: 2000000 counties covers an area of 7448.32 square kilometers and covers an area of 7448.32 square kilometers. The karst distribution accounts for 52.6% of the total area of the whole area, of which bare type accounts for 67.42%, covering type accounts for 30.77% and burial type accounts for 1.81%. This article focuses on the regional conditions, to explore the classification and formation of the topography.