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NUMERICAL SIMULATION EXPERIMENTS BY NESTING HYDROLOGY MODEL DHSVM WITH REGIONAL CLIMATE MODEL RegCM2/CHINA 被引量:1
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作者 王守荣 黄荣辉 +3 位作者 丁一汇 L.R.LEUNG M.S.WIGMOSTA L.W.VAIL 《Acta meteorologica Sinica》 SCIE 2002年第4期509-518,共10页
Based on improvement of a distributed hydrology-soil-vegetation model (DHSVM for short) and its application to North China,a nested regional climatic-hydrologic model system is developed by connecting DHSVM with RegCM... Based on improvement of a distributed hydrology-soil-vegetation model (DHSVM for short) and its application to North China,a nested regional climatic-hydrologic model system is developed by connecting DHSVM with RegCM2/China.The simulated climate scenarios,including control and 2×CO_2 outputs,are downscaled to 8 stations in Luanhe River and Sanggan River Basins to drive the hydrology model.According to simulation results,under double CO_2 scenarios,annual mean temperature and evapotranspiration will increase 2.8C and 29 mm,respectively; precipitation also increase but with different value for each basin,6 mm for Luanhe River Basin while 46 mm for Sanggan River Basin;runoff change for the two basins is different too,27 mm decrease for Luanhe River Basin while 26 mm increase for Sanggan River Basin.As a result,the runoff in future for Luanhe River Basin and Sanggan River Basin will be 74 mm and 71 mm, respectively,which is approximately a quarter of annual mean runoff(284 mm)of the whole country.Total streamflow for the two basins will decrease about 2.5×10~8m^3.All these indicate that the warm and dry trend will continue in the two river basins under double CO_2 scenarios.The nested model system,with both climatic and hydrologic prediction ability,could also be applied to other basins in China by parameter adjustment. 展开更多
关键词 regional climate model hydrology model nested simulation experiment prediction analysis
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SIMULATION OF REGIONAL CLIMATE OVER CHINA WITH CHINESE REGIONAL CLIMATE MODEL
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作者 李维亮 龚威 +1 位作者 陈隆勋 宋玉宽 《Acta meteorologica Sinica》 SCIE 1997年第3期307-319,共13页
In this paper,we present the results simulated with the Chinese regional climate model nested in NCAR CCM1 GCM through one-way nesting approach.The model has been run for 14 months. The NCAR CCM1(1992)is at rhomboidal... In this paper,we present the results simulated with the Chinese regional climate model nested in NCAR CCM1 GCM through one-way nesting approach.The model has been run for 14 months. The NCAR CCM1(1992)is at rhomboidal truncation(R15),while the horizontal resolution of the Chinese regional climate model is 100 km.It is found that the Chinese regional climate model has some advantages in simulating the surface air temperature and precipitation over the general climate model,because of the improved land surface parameterization. 展开更多
关键词 regional climate one way nesting simulation seasonal change
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