Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2015, Vol. 31 ›› Issue (4): 258-263.doi: 10.11924/j.issn.1000-6850.2014-2395

Special Issue: 农业气象

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Change Characteristics of Extreme Weather Events During the
Recent 50 Years in Hainan, Qinghai Province

Li Jinhong1, Ding Shengxiang2, Guo Lianyun1   

  1. (1Meteorological Bureau in Haninan State of Qinghai Province, Gonghe Qinghai 813099;2Tongde Meteorological Bureau in Qinghai, Tongde Qinghai 813201)
  • Received:2014-09-02 Revised:2015-02-02 Accepted:2014-12-24 Online:2015-03-20 Published:2015-03-20

Abstract: The paper aims to improve the early-warning of extreme weather events, and undertake meteorological disaster prevention in a timely manner. Based on the daily meteorological observation data from 5 meteorological stations in the Hainan area during the period of 1961 to 2010, the author analyzed the change characteristics of extreme weather and climate events, such as successive raining days, drought, high temperature and low temperature over Hainan. The results showed that the annual days of occurrence of some extreme weather events, such as, successive raining days, spring drought and high temperature over Hainan in recent 50 years had been obviously increased, but the low temperature over Hainan in recent 50 years had decreased. Abrupt changes of occurrence of successive raining days, high temperature and low temperature occurred in 1974, 1990 and 1976 respectively.