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国家计委和水利电力部于1983年向全国各省及流域机构下达了应用遥感技术编制全国土壤侵蚀图的任务。 1984年5月我们选择湖北省宜昌地区作为目视解译试点。 宜昌地区土壤侵蚀的目视解译工作的全过程,包括:实地考察、内业初判、建立野外解译标志到室内详解,编制报告及绘制正式底图,于1984年11月完成。
In 1983, the State Development Planning Commission and the Ministry of Water Conservancy and Electric Power issued the task of applying remote sensing technology to compiling a national soil erosion map to all the provinces and drainage basin agencies in the country. May 1984 We chose Yichang, Hubei Province as a visual interpretation of the pilot. The whole process of visual interpretation of soil erosion in Yichang, including: site visits, preliminary assessment of domestic trade, establishment of field interpretation signs to indoor elaboration, compilation of reports and drawing of an official bottom map, was completed in November 1984.