江西农业学报Issue(8):93-97,5.
汉中市48年来气候变化特征及原因分析
Characteristics and Reasons of Climate Change in Hanzhong City in Recent 48 Years
摘要
Abstract
According to the data of monthly average temperature , extreme maximum temperature , extreme minimum tempera-ture, precipitation and sunshine hours of 9 weather stations in Hanzhong city from 1960 to 2007, the characteristics and reasons of climate change in Hanzhong city in recent 48 years were analyzed by regression analysis , trend analysis , and correlation analysis methods.The results indicated that the annual average temperature increased by 0.14℃/10 a in recent 48 years, and the warming range in Hanzhong was slower than that in other areas of China .Both annual extreme maximum temperature and annual extreme min-imum temperature presented the trend of increasing , and this trend was consistent with the changing trend of extreme temperature in Shaanxi province .Annual precipitation significantly reduced by 31.52 mm/10 a;relative humidity slowly increased by 0.14%/10 a;sunshine hours reduced by 49.39 h/10 a.The climate changes in Hanzhong city was caused by the combined action of nature and human being , but the role of human being was more obvious .关键词
汉中/气象要素/气候特征/变化Key words
Hanzhong/Meteorological elements/Climate characteristic/Climate change分类
天文与地球科学引用本文复制引用
宋佃星..汉中市48年来气候变化特征及原因分析[J].江西农业学报,2013,(8):93-97,5.基金项目
国家自然科学基金“秦岭南北全球变化适应度评价及可持续发展模式选择”(40871052);宝鸡文理学院重点项目(ZK12052)。 ()