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| Application of remote sensing technology on regional environment monitoring in Daya Bay |
| HE Zhang-li1, XING Qian-guo2,3, SHI He-yin3,4, PAN Wei-bin5 |
| 1. Guangzhou EP Environmental Engineering Consulting LTD., Guangzhou 510115; 2. Guangzhou Monitoring Center of Marine Resources and Environment, Guangzhou 510235; 3. South China Sea Institute of Oceanography, Chinese Academy of Science., Guangzhou 510301; 4. Guangdong Public Laboratory of Environmental Science and Technology, Guangzhou 510650; 5. School of Environmental Science and Engineering, South ChinaUniversity of Technology, Guangzhou 510640, China |
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Abstract The paper synthesized the remote sensing data obtained by Landsat series satellite(MSS,TM,ETM+) to survey and assess the land utilization,development of vegetated land,non-vegetated land and water area in Daya Bay district from 1979 to 2004.According to the data derived from Landsat in the past two decades the vegetated area around the Daya Bay remained stable while the non-vegetated land rose from 5.1% in 1991 to 10.5% in 2004 and the water area decreased by about 5% correspondingly.It showed a pattern of "human expansion,water retraction" which was highly related with the environmental and economic development in Daya Bay district.By building the relationship between the mode of human's impact on regional environment,we can predict the impact of developmental action on land utilization and apply it to regional EIA.The study demonstrates that remote sensing can be applied as an effective tool for monitoring the changes of coastal land utilization.
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Received: 25 August 2006
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