Applied Research |
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AERIAL REMOTE SENSING OF THE AFFORESTATION IN THE BUILT-UP AREA OF YANCHEG, JINANGSU |
Fun Jintao, Li Changqing, Li Shiping |
Regional Geological Survey Team, Bureau of the Geology and Mineral Resources of Jiangsu Province |
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Abstract In order to increase the affovestation in Yancheng, we have investigated the present situation of the affovestaton in 1988 in the built-up area of Yancheng by the aerial method of remote sensing. In this investigation the blackand-white air photographs taken in March, 1986 were chosen. The procedure is:interpreting of black-and-white air photographs-afforestation mapping and calibrating of sample-interpreting of air photographs again-remeasuring of the area and comprehensively studying. As the result of this investigation, we have made a distributive and classificatory map(1:4000)of the afforestation, re-measured the covered area of the afforestation, figured out the coefficient of cover. and the ratio of the core kind of tree and evergreen/deciduous, and put forward some suggestions on raising this level of afforestation in Yancheng.
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Keywords
SPOT
True color
Neural networks
Simulation
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Issue Date: 02 August 2011
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