期刊
ATMOSPHERIC AND OCEANIC SCIENCE LETTERS
卷 3, 期 6, 页码 325-329出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/16742834.2010.11446886
关键词
dynamical downscaling; WRF; CAM
资金
- Special Fund for Public Welfare Industry (meteorology) [GYHY200906018]
- National Basic Research Program of China (973 Program) [2009CB421406]
- National Natural Science Foundation of China [40875048, 40821092]
This paper describes a dynamical downscaling simulation over China using the nested model system, which consists of the modified Weather Research and Forecasting Model (WRF) nested with the NCAR Community Atmosphere Model (CAM). Results show that dynamical downscaling is of great value in improving the model simulation of regional climatic characteristics. WRF simulates regional detailed temperature features better than CAM. With the spatial correlation coefficient between the observation and the simulation increasing from 0.54 for CAM to 0.79 for WRF, the improvement in precipitation simulation is more perceptible with WRF. Furthermore, the WRF simulation corrects the spatial bias of the precipitation in the CAM simulation.
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