Original Articles

Effects of Crop Distr ibution on Land Sur face Simulations over the Intake Ar ea of the South- to- Nor th Water Tr ansfer Project

  • 1. Institute of Atmospheric and Physics, Chinese Academy of Sciences, Beijing 100029;
    2. Graduate School of Chinese Academy of Sciences, Beijing 100049

Received date: 2008-02-01

  Revised date: 2008-06-01

  Online published: 2008-07-25


In this paper, we develop a crop distribution data (CLCV- 3C) base on the Chinese Land Cover data (CLCV) and the global crop distribution data developed by SAGE at the University of Wisconsin-Madison, and investigate the effects of crop distribution on land surface simulations over the intake area of the South- to- North Water Transfer Project using the NCAR/ CLM model with the two land cover data. The numerical results show that the crops affect the energy and water balance over the intake area of the South - to- North Water Transfer Project differently; the simulated net radiation, sensible heat, runoff increase, and evapotranspiration decrease in the wheat area, while the simulated net radiation, sensible heat, evapotranspiration increase and runoff decrease in the maize and rice area; the effect of crop distribution on energy balance is greater then that on water balance.

Cite this article

CHEN Feng, XIE Zhenghui . Effects of Crop Distr ibution on Land Sur face Simulations over the Intake Ar ea of the South- to- Nor th Water Tr ansfer Project[J]. PROGRESS IN GEOGRAPHY, 2008 , 27(4) : 28 -36 . DOI: 10.11820/dlkxjz.2008.04.005


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