1959～2008年兴宁市气象要素变化特征分析

利用兴宁市气象站1959—2008年气温、降水量及日照时教资料，采用趋势分析方法，对兴宁市1959～2008年的年、季平均气温、降水量和日照时数变化趋势作较全面的分析。结果表明：1959～2008年兴宁市的年平均气温呈上升趋势，冬季增温趋势最明显。1959—2008年兴宁市年降水量总体变化不大。其中冬、夏两季降水量变化不大，春季降水量呈明显增加趋势，而秋季降水量则呈明显的减少趋势。1959—2008年兴宁市日照时数呈减少趋势，夏季减少的趋势最大，冬季减少趋势最缓。

Change Characteristics Analysis of Meteorological Elements in Xingning from 1959 to 2008

Based on the temperature, precipitation and sunshine duration data at Xingniug station from 1959 to 2008, using trend analysis method, the change trend of annual average temperature, seasonal average temperature, precipitation and sunshine duration in Xingning from 1959 to 2008 were comprehensively analyzed. The results showed that the average temperature in Xingning City from 1959 to 2008 showed an increasing tendency and the warming trend in winter was the most obvious. The trend of precipitation in Xingning City from 1959 to 2008 showed a stable trend. The precipitation in winter and summer had little change and the precipitation in spring showed an obvious increasing trend and the precipitation in autumn showed an obvious decreasing trend. The sunshine duration in Xingning City from 1959 to 2008 showed a decreasing trend and the decreasing trend was the maximum in summer and the minimum in winter.