以石羊河流域为研究区，参考国内外有关可持续发展的评估研究，提出干旱内陆地区可持续发展评估指标体系。在GIS技术的支持下，对评价体系中各指标进行100 m×100 m尺度下的网格化表达，运用基于栅格数据的空间分析、层次分析和组合赋权法实现对研究区可持续发展能力的空间表达。以凉州区和金川区为中心的地区目前处于可持续发展水平；以永昌县、民勤绿洲和天祝县北部为中心的区域处于较可持续发展及以下水平；古浪县、天祝东部、民勤北部荒漠区和肃南大部分地区属于不可持续发展和严重不可持续发展水平。石羊河流域可持续发展状态尚处在威胁可持续发展和不可持续发展区间，流域经济社会发展仍以资源环境破坏为代价，属粗放式发展。
Abstract
The study takes Shiyang River Basin as a study area, and bases on referencing the results on sustainable development at home and abroad to obtain assessment system. Under supporting of GIS technology, the factors are resampled 100 m×100 m grid to express the spatial sustainable development index. Finally, the analytic hierarchy process and hierarchy process-combination weighting method are used to express the spatial distribution of regional sustainable development in study area. The results show the Liangzhou and Jinchuan district are in the level of sustainable development, and Yongchang County, Minqin oasis and the north central region of Tianzhu County are in the level of secondary sustainable development. Comparently, the most parts of areas such as Gulang County, Tianzhu east, Minqin desert and Sunan are in the level of non-sustainable development and serious nonsustainable development.At present,the sustainable development of Shiyang River Basin is still in class III (endangering sustainable development) and class IV(non-sustainable development).The economic and social development in Shiyang River Basin is still based on damaging the local environment and depend on extensive development.
关键词
空间分析 /
组合赋权 /
GIS /
可持续发展 /
石羊河流域
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Key words
spatial analysis /
hierarchy process-combination weighting method /
GIS /
sustainable development /
Shiyang River Basin
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中图分类号：
F205
P208
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脚注
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基金
国家自然科学基金项目（41261104，41271133）；国家社会科学基金青年项目（12CTJ001）
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