数字农科院2.0

基于GIS的中国南北地理气候分界带模拟

文献类型: 中文期刊

作者: 张剑;柳小妮;谭忠厚;陈全功

作者机构:

关键词: 中国南北分界带;层次分析法;模糊集合理论;GIS

期刊名称:兰州大学学报(自然科学版)

ISSN: 0455-2059

年卷期: 2012 年 48 卷 03 期

页码: 28-33

收录情况: 北大核心 ; CSCD

摘要: 以适宜度模型为依据,选取了8个指标因子,采用层次分析法与模糊集合理论建立了南北分界带定量计算模型,基于GIS技术的空间分析方法对南北分界带进行了模拟.结果表明:中国南北分界带涉及四川、甘肃、陕西、湖北、河南、安徽、江苏等7个省的130个县(市),最窄处陕西省洋县,宽约26.42 km,最宽处在江苏省邳州市到定远县,宽约195.41 km,总面积约为145 500.74 km~2.中国南北分界线总长度约为1 666.28 km.

分类号: P208`P463.1

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