FastFind »   Lastname: doi:10.1029/ Year: Advanced Search  

AGU: Geophysical Research Letters

 

Index Terms

  • Global Change: Water cycles
  • Global Change: Climate variability
  • Oceanography: General: Climate and interannual variability

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 33, L20702, 4 PP., 2006
doi:10.1029/2006GL027951

Changes in tropical cyclone precipitation over China

Fumin Ren

State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China

Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China

Guoxiong Wu

State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China

Wenjie Dong

Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China

Xiaoling Wang

Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China

Yongmei Wang

Yuncheng Weather Bureau, Yuncheng, China

Wanxiu Ai

Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China

Weijing Li

Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China

The Tropical Cyclone (TC) Precipitation (TCP) is partitioned from the station observations in China using the Objective Synoptic Analysis Technique (OSAT). The TCP spatial distribution, its ratio to total annual rainfall, the changes in the TCP volume, and the annual frequency of the torrential TCP events during the period 1957∼2004 are examined with a focus on their long-term trends in this study. Tropical cyclones significantly contribute to the annual rainfall in southern, southeastern, and eastern China, including Taiwan and Hainan islands. The TCP in most of the southeastern coastal regions can be more than 500 mm a year, accounting for 20∼40% of the total annual precipitation. Together with interdecadal and interannual variations, significant downward trends are found in the TCP volume, the annual frequency of torrential TCP events, and the contribution of TCP to the annual precipitation over the past 48 years. The downward trends were accompanied with the decreases in the numbers of TCs and typhoons that affected China during the period 1957–2004. These changes strongly suggest that China has experienced decreasing TC influence over the past 48 years, especially in terms of the TCP.

Received 25 August 2006; accepted 13 September 2006; published 20 October 2006.

Citation: Ren, F., G. Wu, W. Dong, X. Wang, Y. Wang, W. Ai, and W. Li (2006), Changes in tropical cyclone precipitation over China, Geophys. Res. Lett., 33, L20702, doi:10.1029/2006GL027951.

Cited By

Please wait one moment ...