Airborne multispectral scanning of subsidence caused by Permian gypsum dissolution at Ripon, North Yorkshire

Cooper, A.H.. 1989 Airborne multispectral scanning of subsidence caused by Permian gypsum dissolution at Ripon, North Yorkshire. Quarterly Journal of Engineering Geology, 22. 219-229. 10.1144/GSL.QJEG.1989.022.03.06

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Abstract/Summary

Around Ripon, North Yorkshire, catastrophic subsidence locally occurs because of natural underground dissolution in the Permian gypsum. This airborne study assesses the merits of multispectral scanning (MSS) as a method of detecting incipient subsidence areas and as an aid to geological mapping. The multispectral method indicates subsidence areas by vegetation, soil colour and temperature variations. Computer enhancement of the multispectral images allow some subsidence details not seen by conventional photography to be delineated. The MSS images are two-dimensional and even the most detailed ones have a fairly coarse resolution (1.5–2.0m). Because of this, conventional 3D interpretation of stereo air photographs better indicates the morphology of the subsidence hollows and the geology.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1144/GSL.QJEG.1989.022.03.06
Programmes:	BGS Programmes > Geology and Landscape Northern
NORA Subject Terms:	Computer Science Earth Sciences
Date made live:	19 May 2011 15:51 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/14304

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1144/GSL.QJEG.1989.022.03.06

Programmes:

BGS Programmes > Geology and Landscape Northern

NORA Subject Terms:

Computer Science
Earth Sciences

Date made live:

19 May 2011 15:51 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/14304