Study on Soil Gleization in Subtropic Region of China Using LBV Transformed Landsat ImagesEnglish Full Text
ZENG ZHIYUAN and PAN XIANZHANG (Institute of Soil Science, Academia Sinica, P. O. Box 821, Nanjing 210008 China)
Abstract: This paper describes a new type of transformed Landsat images （LBV images） and their application in discriminating soil gleization in subtropic region of China. LBV transformation was worked out by the present author for extracting useful information from original landsat images. Using this method three black and white images, L image, B image and V image, were computer generated from original bands of a Landsat scene, which covers a.large area of 34 528 km2 in Hubei and Hunan provinces in south China. Then a color composite was produced by these three images. This kind of black-and-white and color images contained rich and definite geographic information. By a field work, the relationship between the colors on the composite and the land use/cover categories on the ground was established. 37 composite colors and 70 ground feature categories can be discriminated altogether. Finally, 17 land use/cover categories and 10 subregions suffering from soil gleization were determined, and the gleization area for the study area was estimated to be 731.3 km2.
- Series：
(D) Agriculture
- Subject：
Fundamental Science of Agriculture; Agronomy
- Classification Code：
S159.9
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