穆亚超;颉耀文;张玲玲;陈云海;

• 1:兰州大学资源环境学院
• 2:93116部队

摘要(Abstract)：

针对西北干旱地区城市不透水面提取存在的局限性以及阈值确定的繁琐性等问题,该文提出了一种新的增强型不透水面指数(ENDISI)。基于Landsat8_OLI影像,以兰州市建成区为例进行不透水面信息提取,总体精度达到88.5%,结果较为理想。相比于已有的不透水面指数,ENDISI可以有效避免西北干旱区沙土、裸露山体的影响,适用性更强;采用"0"作为提取不透水面的阈值,简单、客观并且提取精度高。综上表明,ENDISI可用于西北干旱地区城市不透水面信息的高效提取。

关键词(KeyWords)： 不透水面;指数;西北干旱区;兰州市;遥感提取

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41471163);; 甘肃省地理国情监测项目(GSGP-2014-23-34)

作者(Authors): 穆亚超;颉耀文;张玲玲;陈云海;

DOI: 10.16251/j.cnki.1009-2307.2018.02.015

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