2021年 03期

Territorial Space Prediction in Karst Basins in Northern China Based on Land Change Model


摘要(Abstract):

以位于山东省中部的肥城盆地为研究对象,利用1980、 2000、 2015年3期土地利用基础数据,结合土地利用变化影响因子,构建适用于肥城盆地的土地变化模型,模拟2015年国土空间分布,并与2015年实际情况对比;利用Kappa系数验证该模型精度,在此基础上预测2030年国土空间分布。结果表明,2015年土地利用模拟精度中表示随机、位置、标准和分层区位的4种Kappa系数分别为0.909 1、 0.907 2、 0.872 9、 0.907 2,验证了该模型模拟预测精度高,可靠性较强;预测2030年耕地、林地、草地等土地利用面积将持续减少,较1980年分别减少108.74、 8.32、 44.54 km~2,城乡居民用地和水域面积将有所增加,较1980年分别增加154.41、 5.04 km~2,未利用土地基本不变,居民用地空间趋于集中连片。

关键词(KeyWords): 土地利用;国土空间预测;土地变化模型;喀斯特地貌;肥城盆地

基金项目(Foundation): 国家自然科学基金项目(41572242);; 水利部公益性行业专项经费项目(201401003);; 山东省水利厅、财政厅水生态文明试点科技支撑计划(ZC201450519、鲁水财字[2014]5号);; 山东省级水利科研项目(SDSLKY201703)

作者(Author): 宋艳,仕玉治,邸燕,李福林

DOI: 10.13349/j.cnki.jdxbn.20201224.001

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