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Correlation analysis of NDVI dynamics and hydro-meteorological variables in growth period for four land use types of a water scarce area |
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| Authors: | Fei Wang Xuan Wang Ying Zhao Zhifeng Yang |
| Institution: | 1. Key Laboratory for Water and Sediment Sciences of Ministry of Education, School of Environment, Beijing Normal University, Beijing, 100875, China 3. School of Physical Education, Shanxi University, Taiyuan, 030006, China 2. State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China 5. School of Environment, Beijing Normal University, No. 19 Xinjiekouwai Street, Haidian District, Beijing, 100875, China 4. Shanxi Academy of Environmental Research, Taiyuan, 030027, China |
| Abstract: | As the characterization of primary productivity of wetland ecosystem, the Normalized Difference Vegetation Index (NDVI) plays an important role in local ecosystem conservation for environmental management. In this paper, the correlations of NDVI and hydro-meteorological variables were studied in a water scarce area with emphasis on different land use types, namely water, wetland, residential land and farmland, during the growing seasons of 1999 and 2000. The significant NDVI changes were detected between spring and summer for all land use types. The correlation analysis revealed that the NDVI-temperature correlation (P?P?P?farmland > Rwetland > Rresidential land > Rwater for NDVI and precipitation correlations (P?water > Rwetland > Rresidential land > Rfarmland for NDVI and temperature correlations (P? |
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