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Monitoring derelict urban land: A review of problems and potentials of remote sensing techniques

 

作者: P. T. Kivell,   A. J. Parsons,   B. R. P. Dawson,  

 

期刊: Land Degradation&Development  (WILEY Available online 1989)
卷期: Volume 1, issue 1  

页码: 5-21

 

ISSN:1085-3278

 

年代: 1989

 

DOI:10.1002/ldr.3400010103

 

出版商: John Wiley&Sons, Ltd.

 

关键词: Derelict land;Remote sensing;Image texture;Land use/Land cover monitoring

 

数据来源: WILEY

 

摘要:

AbstractThe accelerating rate of change in urban areas calls for more rapid and cost‐effective surveys of derelict land. A review of the use of remote sensing1for this task reveals that, although aerial photography has been used for urban analysis since the 1940s, it has not been widely adopted for surveys of derelict land, despite demonstrations of its utility. Other forms of remote sensing are similarly shown to have been little‐used and to have had patchy success. The hitherto restricted utility of remote sensing is found to be due to a combination of limitations of the forms of imagery available and the methods of analysis employed. Recent changes in available remote sensing imagery, notably the higher resolution now provided by the SPOT satellite, coupled with advances in digital image‐processing techniques point to improved opportunities for using remote sensing to monitor derelict land. As a demonstration of these developments, a texture image based on scene variance is derived from a SPOT image of part of north Staffordshire. All derelict and neglected land parcels larger than 1.25 ha are delimited on this image. Remote sensing techniques are not yet ready to supplant detailed ground surveys but they have a growing role to play in monitoring various aspects of land dereli

 

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