[1]TIAN Lei,YANG Sheng-tian,WANG Yu-juan.Research on the Spring Evapotranspiration of Karst Area Based on RS and GIS in Guizhou Province[J].Research of Soil and Water Conservation,2008,15(01):87-91.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
15
Number of periods:
2008 01
Page number:
87-91
Column:
Public date:
2008-02-20
- Title:
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Research on the Spring Evapotranspiration of Karst Area Based on RS and GIS in Guizhou Province
- Author(s):
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TIAN Lei1,2, YANG Sheng-tian3, WANG Yu-juan1
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1. State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China;
2. Research Institute of Highway Ministry of Communications, Beijing 100088, China;
3. State Key Laboratory of Remote Sensing Science, School of Geography, Beijing Normal University, Beijing 100875, China
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- Keywords:
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Guizhou Province; evapotranspiration; Remote Sensing
- CLC:
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P332.2;TP79
- DOI:
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- Abstract:
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The evapotranspiration estimation is very important to the irrigation policy, the water loss, water equilibrium and so on.Using the remote sensing (RS) and GIS technology, and integrating the remote sensing data (MODIS), climate data and radiation observing data, the paper estimates the two-month evapotranspiration in spring in Guizhou province by Penmanmonteith model.The paper also inversions each factor (for example, the vegetation index, the surface temperature, the albedo and so on) that the model needs using Remote Sensing techniques, and applies the model to the facial scale of Guizhou Province.In the facial scale, the paper modulates the evapotranspiration conversion of motion of Guizhou Province and reveals the evapotranspiration variation quantitatively.The correlations between evapotranspiration and climatic factors are also studied.