SIMULATING THE RESPONSE OF NON-UNIFORMITY OF PRECIPITATION EXTREMES OVER CHINA TO CO2 INCREASING BY MIROC_HIRES MODEL |
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| Authors: | ZHU Jian HUANG Dan-qing ZHOU Peng and LIN Hui-juan |
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| Institution: | ZHU Jian;HUANG Dan-qing;ZHOU Peng;LIN Hui-juan;State Key Laboratory of Hydrology-Water Resources and Hydraulics Engineering, College of Hydrology and Water Resources, Hohai University;Key Laboratory of Meteorological Disaster of Ministry of Education, Nanjing University of Information Science and Technology;School of Atmospheric Sciences, Nanjing University;State Key Laboratory of Loess and Quaternary Geology Institute of Earth Environment, Chinese Academy of Sciences;Suzhou Meteorological Bureau; |
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| Abstract: | The response of non-uniformity of precipitation extremes over China to doubled CO2 has been analyzed using the daily precipitation simulated by a coupled general circulation model, MIROC_Hires. The major conclusions are as follows: under the CO2 increasing scenario (SRES A1B), the climatological precipitation extremes are concentrated over the southern China, while they are uniformly distributed over the northern China. For interannual variability, the concentration of precipitation extremes is small over the southern China, but it is opposite over the northern China. The warming effects on the horizontal and vertical scales are different over the northern and southern part of China. Furthermore, the atmospheric stability is also different between the two parts of China. The heterogeneous warming is one of the possible reasons for the changes in non-uniformity of precipitation extremes over China. |
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| Keywords: | precipitation extremes concentration density and period CO2 increase asymmetric pattern |
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