Ground and top of canopy layer urban heat island partitioning on an airborne image

被引：23

作者：

Goldreich, Yair ^{[1
]}

机构：

[1] Bar Ilan Univ, Dept Geog, IL-52900 Ramat Gan, Israel

来源：

REMOTE SENSING OF ENVIRONMENT | 2006年 / 104卷 / 02期

关键词：

airborne thermography; urban heat island; roofs/ground partitioning; DISTCORMAT spatial analysis technique;

D O I：

10.1016/j.rse.2005.08.018

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Analyzing the urban heat island from remote sensing thermal images does not distinguish between the various urban levels, i.e., between ground and the top of the urban canopy layer (roofs surfaces). Applying image processing techniques for roofs/ground partitioning and analyzing these levels separately by DISTCORMAT spatial technique reveals that the heat island centers do not coincide. The distance between these centers on a nocturnal image of Johannesburg (South Africa) may reach more than 300 m. (c) 2006 Elsevier Inc. All rights reserved.

引用

页码：247 / 255

页数：9

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