ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 33 Issue 3 > 2007,33(3):107-113. DOI:10.7519/j.issn.1000-0526.2007.03.016 Prev Next
Change of Extreme Weather Events in Hainan Island for Last 39 Years
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Abstract:
Based on the data of annual gale days, rainstorm, thunderstorm, hail, high/low temperature, fog, and frost in the Hainan Island from 1966 to 2004, the variation characters are diagnosed using the least squares method, MannKendal l method and Morlet Wavelet method. The results show that annual gale days, and d ays for fog and thunderstorm weather decreased notably, especially in 1992, 1984 -1985 and 1983-1984. Annual high temperature day, and days of rainstorm weather increased, while days of low temperature, hail, frost decreased slightly. Annual hail and frost days are stable. High temperature and thunderstorm weather days are in the high and middle frequency stage, while the other extreme weather appe ars in low, middle and longrange frequency period besides stage periods. The v ariational period of annual hail days turns to short. And the periods of annual d ays of the other extreme events prolonged. It indicates that the extreme weather events in the Hainan Island have relationship with the global warming.
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