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Proceedings Paper

Study on drought fine distribution over rugged terrains based on GIS
Author(s): Y. H. Gao; Y. Z. Tian; Z. J. Chen; Y. H. Tang
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Paper Abstract

Using GIS technique and 1 : 250000 DEM data, this paper studies the distribution of drought frequency determined by two interpolation methods of inverse distance weighted and regression. The results from two methods are compared. The results show that the regression method based on the factors of climate and geography can reflect drought distribution reasonably and can be used for space extension over the rugged terrains where meteorological stations are sparse.

Paper Details

Date Published: 7 August 2007
PDF: 10 pages
Proc. SPIE 6754, Geoinformatics 2007: Geospatial Information Technology and Applications, 67540Z (7 August 2007); doi: 10.1117/12.764648
Show Author Affiliations
Y. H. Gao, Institute of Meteorological Science (China)
Y. Z. Tian, Institute of Meteorological Science (China)
Z. J. Chen, Institute of Meteorological Science (China)
Y. H. Tang, Institute of Meteorological Science (China)

Published in SPIE Proceedings Vol. 6754:
Geoinformatics 2007: Geospatial Information Technology and Applications
Peng Gong; Yongxue Liu, Editor(s)

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