近45年闽江流域气候变化特征分析  

Changes of Climatic Features in the Minjiang River Basin in Recent 45 Years

作　　者：张星[1] 陈惠[2] 林秀芳[3] 

机构地区：[1]福建省气象局,福州3500011 [2]福建省气象科学研究所,福州350001 [3]福建省气候中心,福州350001

出　　处：《水土保持研究》2009年第1期107-110,共4页Research of Soil and Water Conservation

基　　金：福建省自然科学基金项目(W0750001);福建省科技厅重点项目(2006Y008)

摘　　要：应用闽江流域11个测站1961-2005年气温、降水及日照数据,探讨了闽江流域气温、降水和日照时数的时空分布特征及其变化趋势。结果表明,气温自70年代以来存在变暖的趋势,尤以暖冬最为显著;降水变化趋势则较为复杂,总体趋势为增加,但其变化规律不如气温明显,90年代是相对丰水期,21世纪前5年则进入相对枯水期;日照时数则随气候的变暖呈减少趋势,减幅最大的是夏季,其次是冬季。气温、降水和日照的变化趋势具有明显的区域性和季节性,流域内各分区的气候变化幅度不同,这种变化对流域生态环境有着不可忽视的影响。Based on the atmospheric temperature, precipitation and radiation records from 1961 to 2005 of 11 station in the Minjiang River, characters of temporal and spatial distribution and development trends were analyzed. The main results showed that the temperature rising from the seventies and the maximum increase range is in winter; precipitation change is not so obvious as the temperature, but the precipitation is increasing; radiation tend to decrease and the maximum decrease range is in summer and winter. All these tendencies were remarkably seasonal and regional, besides the change ranges in different area were dissimilarity, which would affect the regional ecological environment deeply.

关 键 词：气候特征 变化趋势 闽江流域 

分 类 号：P467[天文地球—大气科学及气象学]