A Water Information Extraction Method Based on WorldView II </br>
Remote Sensing Image in Tungsten Ore Districts: A Case Study of of Dayu County in Jiangxi Province

doi:10.6046/gtzyyg.2011.02.06

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Abstract Taking the tungsten ore district of Dayu County in Jiangxi Province as an example，the authors analyzed the parameters and relationship between the WorldView II bands，selected the best bands for the information extraction of water in the study area，and tested and analyzed a variety of fusion methods to access the suitable fusion method that uses WorldView II image to extract the water information in the ore district. The water information in the ore district was extracted by calculating NDWI，analyzing spectral relations between different bands，and making supervised classification. The interpretation accuracies of NDWI, Spectral Relation Act and supervised classification were tested by visual interpretation. The interpretation results were revised to attain the accuracy of 92%，and the field verification accuracy can reach 90%，which meets the requirements of the work.

Keywords Tibet Salt lake ore deposit TM(ETM+) data Information extracting Perspective areas

TP 75

Issue Date: 17 June 2011

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	BAI Chao-jun
	WANG Yue-feng
	WU Ping

Cite this article:

BAI Chao-jun,WANG Yue-feng,WU Ping. A Water Information Extraction Method Based on WorldView II
Remote Sensing Image in Tungsten Ore Districts: A Case Study of of Dayu County in Jiangxi Province[J]. REMOTE SENSING FOR LAND & RESOURCES, 2011, 23(2): 33-37.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2011.02.06 OR https://www.gtzyyg.com/EN/Y2011/V23/I2/33

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