信阳市城区四季变化特征研究

Zhao Guoyong; 韩艳; 闫军辉; 江蕾蕾; 向梅

doi:10.3969/j.issn.1003-0972.2015.04.016

信阳市城区四季变化特征研究

Studies on the Characteristic of Four Seasons Variation in Xinyang City

摘要

摘要: 以 1 9 5 1-2 0 1 3 年信阳市城区日均气温为研究对象, 运用 5 日滑动平均、 M a n n - K e n d a l l 检验、小波分析和 R / S 分析等方法, 对四季开始及持续时间变化特征进行研究 . 结果表明: ( 1 ) 过去 6 3 年, 信阳市城区平均入春、入夏、入秋、入冬的时间分别为:3 月 2 6 日、 5 月 2 9 日、 9 月 1 9 日和 1 1 月 2 0 日; ( 2 ) 春季长度具有增加趋势, 冬季长度具有缩短趋势, 意味着 1 9 5 1-2 0 1 3 年信阳市城区年均温具有升高的趋势, 与 I P C C 报告的结果相一致; (3 ) 四季开始的时间及长度具有短的波动周期( 1 0 年内) ; ( 4 ) 未来信阳市城区四季开始及持续时间变化趋势将延续过去 6 3 年变化 .

Abstract: In order to explore the characteristic of beginning and duration of four seasons, the daily average temperature of Xinyang city during 1951-2013 was investigated using 5 days moving-average, Mann-Kendall test, wavelet analysis and R/S analysis and so on. The main results contain: (1) the beginning of spring, summer, autumn and winter in Xinyang city during the past 63 years is about March 26th, May 29th, September 19th and November 20th, respectively; (2) the length of spring has increasing trend and winter has decreasing trend. It implies that the annual average temperature of Xinyang city goes up during the last 63 years, which has similar conclusions with the report by IPCC; (3) the beginning and duration of four seasons has short cycles (less than ten years); (4) the future trend of beginning and duration of four seasons in Xinyang city will continue on which of the last 63 years

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