湖南省土壤侵蚀卫星影象解译

文章引入信息源的概念,把信息源分为地面信息源和遥感信息源两类,简述了从信息源着手解译土壤侵蚀卫星影象的过程。提出亚热带气侯区土壤侵蚀的解译。实际上是地表物质、地貌、植被三个基本土壤侵蚀因子的综合解译。文章还以湖南省为例,分析了全省的自然概况,运用地学相关分析和卫片多时象分析,建立了这三个土壤侵蚀因子的解译标志。

Explaination of soil erosion information from satellite photo in scope of Hunan Province

A new conception of information sources is introduced in this paper and the sources are divided into two kinds of imformation as the land surface and remote sensing. This paper describes a procedure of explaining soil erosion imformation from satellite photo for subtro-pic zone on the basis of joint explanation in aspects of surface material geomorphology and vegetation with the focus put on the last one as the main aspect. Taking Hunan Province as an example, the author introduces the natural conditions of the province and has established reference indice for explanation in aspects mentioned above.