Monitoring growth of built-up areas in indo-gangetic plain using multi-sensor remote sensing data

被引：20

作者：

Roy Chowdhury P.K. ^{[1
]}

Maithani S. ^{[1
]}

机构：

[1] Human Settlement Analysis Division Indian, Institute of Remote Sensing (NRSC), Dehradun 248001, Uttrakhand, 4, Kalidas Road

来源：

Journal of the Indian Society of Remote Sensing | 2010年 / 38卷 / 2期

关键词：

Human Settlement Index; Indo-Gangetic plain; NDVI; OLS; Urban growth;

D O I：

10.1007/s12524-010-0019-5

中图分类号：

学科分类号：

摘要：

This paper provides an approach for rapid and accurate estimation of built-up areas on a per pixel-basis using a integration of two coarse spatial resolution remote sensing data namely DMSP-OLS and MODIS NDVI. The DMSP-OLS data due to its free availability, high temporal resolution and wide swath was used for regional level mapping of built-up areas. However, due to its low radiometric resolution, the built-up areas cannot be estimated accurately from the DMSP-OLS data. In present study, the DMSP-OLS data was combined with MODIS NDVI data to develop an Human Settlement Index (HSI) image, which estimated the fraction of built-up area on a per pixel basis. The resultant HSI image conveys more information than both the individual datasets. These temporal HSI images were then used for monitoring urban growth in Indo-Gangetic plains during the 2001-2007 time period. Thus, the present research can be very useful for regional level monitoring of built-up areas from coarse resolution data within limited time and minimal cost. © 2010 Indian Society of Remote Sensing.

引用

页码：291 / 300

页数：9

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