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Proceedings Paper

Applications of orthophotomaps and fusion of Landsat TM, SPOT, and SAR images in the studies of the events to stop up water body and ecological environment in the Yangtze Three Gorges Project region
Author(s): Wunian Yang; Guoliang Pu; Jean-Pierre Paris; Francois Cauneau; Thierry Ranchin; Yong Li
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Paper Abstract

In this study, fusion of Landsat TM, SPOT and ERS SAR Images were done, and then an orthphotomap of the fusion image of Landsat TM453 and SPOT panchromatic image of Yunyang area, the Yangtze Three Gorges Project Region was made, which is in 1:50000 scale and up to an international standard of topographic map. With the orthphotomap, many new geological structures and disasters were identified and positioned. The biggest landslide in the Yangtze River region-JIPAZI landslide was digitized. 3D quantitatively analyzing patterns for surveying landslides and rockfalls were established with RS, GIS and GPS techniques. Through phase- separation analysis of remote sensing information field and quantitative processing of the linear structures, the relationship between geological disasters and crack structures was found out. Finally, with a synthetic analysis, these landslides and rockfalls probably to stop up river water and their environmental influence were predicted.

Paper Details

Date Published: 8 February 2001
PDF: 8 pages
Proc. SPIE 4151, Hyperspectral Remote Sensing of the Land and Atmosphere, (8 February 2001); doi: 10.1117/12.417007
Show Author Affiliations
Wunian Yang, Chengdu Univ. of Technology (China)
Guoliang Pu, Chengdu Univ. of Technology (China)
Jean-Pierre Paris, Groupement pour le Developpement de la Teledetection Aerospatiale (France)
Francois Cauneau, Ecole des Mines de Paris (France)
Thierry Ranchin, Ecole des Mines de Paris (France)
Yong Li, Institute of Mountain Hazards and Environment (China)


Published in SPIE Proceedings Vol. 4151:
Hyperspectral Remote Sensing of the Land and Atmosphere
William L. Smith; Yoshifumi Yasuoka, Editor(s)

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