抚顺矿区1989—2019年土地利用/覆盖变化分析Analysis of land use/cover change in Fushun mining area from 1989 to 2019
李玉,牛路,赵泉华
摘要(Abstract):
为探讨抚顺矿区土地利用/覆盖变化及驱动力,该文以1989—2019年6期Landsat系列遥感影像为数据源,设计支持向量机(SVM)多分类器进行土地利用/覆盖分类,通过土地利用/覆盖格局分析、动态度分析和转移矩阵分析,探究类型结构的变化规律,并运用主成分分析法,揭示其主要驱动力。研究表明:1989—2019年,抚顺矿区土地利用/覆盖发生了明显的变化。在整体结构中,土地利用/覆盖类型以建设用地和耕地为主;土地利用/覆盖变化呈现出采矿用地和林地减少,建设用地和水域增加,耕地先增加后减少的趋势;采矿用地和建设用地的动态度分别在[-4%,1%]和[0,3%]内,表明采矿用地和建设用地变化较为显著。根据转移矩阵可知,采矿用地主要向耕地和林地转移,同时耕地和林地被建设用地占用。利用主成分分析方法对选取的12个驱动因子进行定量分析,得出主要驱动力为人口城镇化、经济发展水平的提升和原煤产量的降低。
关键词(KeyWords): 抚顺矿区;土地利用/覆盖;变化监测;转移矩阵;驱动力
基金项目(Foundation): 国家自然科学基金项目(41801233,41801368)
作者(Author): 李玉,牛路,赵泉华
DOI: 10.16251/j.cnki.1009-2307.2021.08.014
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