Discrimination Index of Wind Erosion Desertification Based on Aridity Index in Northwestern Liaoning Province
详细信息
- 责任者：Zhang Ji (Planning and Design Academy ; Forest Products Industry ; State Forestry Administration ; Beijing 100714 ; China) ; Yang Xiuchun
- 刊名：Geographical Research
- 出版年：2011
- 卷期：30(12)
- 关键词：荒漠化 ; desertification ; 辽宁 ; Liaoning Province
- 页码：p.2239-2246
- 图表：3 illus., 4 tables, 21 refs.
- 分类号：1800
- 出版序号：20122749
- issnNo：ISSN1000-0585
- isbnNo：CN11-1848/P
摘要
Based on land use map, this paper excluded mountains, hills, water and constructions, studied wind erosion desertification in the northwestern part of Liaoning Province, with the purpose of finding a semi-humid drought-prone line. This paper took TM and MODIS images as data source and some vegetation indexes as index by using decision tree to classify the study area. The results showed that non-desertification, light, moderate, severe and extremely severe wind erosion desertification area accounted for 44.38%, 25.15%, 18.97%, 9.34% and 2.16%, respectively.