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Impacts of Typhoon ‘koppu' on Infectious Diarrhea in Guangdong Province,China

Biomedical and Environmental Sciences 2015年第12期28卷 920-923页

作者： WANG Wei XUN Huan Miao ZHOU Mai Geng JIANG Bao Fa WANG Song Wang GUO Qing KANG Rui Hua WANG Xin Marley Gifty MA Wei Department of Epidemiology School of Public HealthShandong University National Center for Chronic and Non-communicable Disease Control and Prevention Chinese Center for Disease Control and Prevention National Center for Public Health Surveillance and Information Services Chinese Center for Disease Control and Prevention

This study aims to quantify the impact of typhoon‘koppu’on infectious diarrhea in Guangdong,China in *** ratios(RRs)were calculated by comparing person-time of infectious diarrhea cases between typhoon period and reference *** of dysentery and other infectious diarrhea increased to a maximum of 1.12(95%CI,0.86-1.47),1.10(95%CI,1.00-1.20)on the

关键词： koppu Impacts of Typhoon

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AN ANALYSIS OF DISTRIBUTION AND MESOSCALE STRUCTURE OF PRECIPITATION ABOUT LANDFALL TROPICAL CYCLONE koppu(0915)

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Journal of Tropical Meteorology 2016年第4期22卷 445-454页

作者：安成袁金南蒙伟光张艳霞蒋德海 Guangzhou Institute of Tropical and Marine Meteorology/Guangdong Provincial Key Laboratory of Regional Numerical Weather Prediction CMA Army Troops Unit 68028

Observation from automatic weather stations, radars and TRMM satellites are employed to investigate the precipitation distribution of tropical cyclone(TC) koppu(0915) that made landfall on Guangdong province in *** results show that the precipitation of landfall TC koppu is featured by significant asymmetry and mesoscale structure, and occurs mainly to the left of its moving path. By examining the sea surface temperature(SST), water vapor flux, Q vector, vertical wind shear of environment etc., it is found out that the distribution of SST, water vapor convergence, low-level convective ascending and vertical wind shear facilitates the TC precipitation to take place to the left of the TC moving path. The mesoscale structure separated by Barnes band-pass filter presents that the precipitation of landfall koppu has some organized mesoscale spiral structures, which is around the TC center and composed of the form of belts or blocks. The heavy local rainfall of landfall TC koppu is primarily associated with the rainfall due to mesoscale spiral structure.

关键词： precipitation characteristics diagnostic analysis landfall TC koppu asymmetric distribution mesoscalestructure

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