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| Keywords | |
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remote sensing |
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urban expansion |
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NDVI |
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three provinces of Northeast China |
| Authors | |
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WANG Bin-1 |
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JIANG Qi-Gang-1 |
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MENG Xiang-Chong-1 |
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WU Yang-Chun-2 |
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YANG Jia-Jia-1 |
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LI Gen-Jun-3 |
| PubMed | |
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Article by Wang, B. 1 |
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Article by Jiang, Q. G. 1 |
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Article by Meng, X. C. 1 |
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Article by Wu, Y. C. 2 |
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Article by Yang, J. J. 1 |
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Article by Li, G. J. 3 |
Urban expansion and vegetation coverage in three provinces of Northeast China
WANG Bin-1, JIANG Qi-Gang-1, MENG Xiang-Chong-1, WU Yang-Chun-2, YANG Jia-Jia-1, LI Gen-Jun-3
1. College of Geo-exploration Science and Technology��Jilin University��Changchun 130026��China; 2. Mineral Resources Prediction Institute of Comprehensive Information��Jilin University��Changchun 130026��China; 3. College of Earth Sciences��Jilin University��Changchun 130061��China
Based on the remote sensing images ( MSS��ETM��CBERS) for three periods��the authors investigate the urban buildi-up area��and study the expansion in three provinces of Northeast China in the past 30 years and vegetation coverage��combining with the NDVI data�� The results showed that the urban build-up area continue to increase in 1976-2000 and 2000-2007��the annual mean expansion rate increased from 5. 10% to 6. 32%��the notable area of expanding strength mainly distributed in Harbin-Dalian traffic economic belt; the vegetation coverage in the east was better than the west within the scope of the study areas��and NDVI mean raised with the increase of urban distance��