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Analysis on spectral characteristics of dust polluted crops in Wansheng coal mineing district |
| TAN Dejun1,3, XIE Jutian2, JIAN Ji2, XIE Hongbin1,3, LUO Zhenfu1,3, HU Yunhai2 |
1. Chongqing Key Laboratory of Exogenic Mineralization and Mine Environment, Institute of Geology and Mineral Resources, Chongqing 400042, China;
2. Key Laboratory of Geoscience Spatial Information Technology, Ministry of Land and Resources, Chengdu University of Technology, Chengdu 610059, China;
3. Chongqing Research Center of State Key Laboratory of Coal Resources and Safe Mining, Chongqing 400042, China |
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Abstract Regional dust pollution,resulting from airborne transmission of dust formed by coal mining,endangers the health of the surrounding residents. Therefore, the development of the methods for dust monitoring and controlling is extremely important. In this study, Wansheng, located in the southeast of Chongqing City,was selected as the study area,and ASD Field Pro Ⅲ spectrometer was employed for spectrum collection. A comparative analysis of spectral data was carried out on the basis of the anomalies of the vegetation overall spectral reflectance and small absorption peaks at the wavelength of 1 000 nm and 1 200 nm,and then a relative level of dust pollution was retrieved. The results show that the dust pollution in the southern part of the Nantong coal mine and the southwestern part of the Yanshitai coal mine in Wansheng district is the most serious. The crops impacted by dust mainly include leaf beet,cabbages and Chinese mallow. The results obtained by the authors provide fundamental basis for further researches on dust pollution based on quantitative remote sensing.
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| Keywords
spatial database
multi-source spatial data management
geological information metadata standard
single machine multiple SDE
data service
ArcGIS
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Issue Date: 28 April 2013
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2013,
Vol. 25
