近36年陵水县日照变化及对农业的影响

Sunshine Change and Its Effects on the Agriculture in Lingshui County in Recent 36 Years

利用1971～2006年《陵水县地面气象资料整编》统计分析,对近36年来陵水县日照时数变化趋势进行研究,分析了日照时数演变的一般特征规律,以及气候背景和日照时数变化对农业的影响。结果表明,陵水县日照时数,年际变化和季节变化均呈减少趋势,但秋季变化最小,冬季变化最大,因此,日照时数变化对农业的影响以冬季最为突出。

Using the statistical analysis of Surface Meteorological Data Reorganization in Lingshui County during 1971～2006,the change trend of sunshine hours in Lingshui County in nearly 36 years were studied.The general characteristic laws of sunshine hours evolution and climate background and the effects of sunshine hours changes on agriculture were analyzed.The results showed that the annual changes of sunshine hours in Lingshui County showed a decrease trend.The seasonal changes also showed a decreasing trend.But that in summer was minimum and that in winter was maximum.The impact of sunshine hours change on agriculture in winter was the most prominent.