气象与环境学报2017，Vol.33Issue(6)：58-65,8.DOI:10.3969/j.issn.1673-503X.2017.06.008
1961—2015年辽宁地区参考作物腾发量变化特征
Variation characteristics of reference crop evapotranspiration in Liaoning province from 1961 to 2015
摘要
Abstract
Using the daily meteorological data from 50 meteorological stations in Liaoning province from 1961 to 2015,the amount of reference crop evapotranspiration (ET0) was calculated using the Penman-Monteith formula-tion,and its variation trend and mutation characteristics were analyzed statistically using MK ( Mann-Kendall) test and R/S ( Re-scaled Range) methods. The results show that in the recent 55 years,the average value of the amount of ET0 in the whole year and each season presents a downward trend,with a maximum declining rate appearing during the 1960s to 1970s,and from east to west,it gradually increases. The average values of wind speed and sun-shine hours are the main meteorological factors to influence the amount of ET0 . There is a Hurst phenomenon in ET0 and meteorological factors. It suggests that the variation trend in the future will be similar to the past one,i. e. ,the decreasing in wind speed and sunshine hours will result in the continuously declining in ET0 in the future.关键词
参考作物腾发量/气候倾向率/气候因子/突变Key words
Reference crop evapotranspiration/Climatic tendency rates/Climatic factors/Mutation分类
天文与地球科学引用本文复制引用
温日红,肇同斌,温舟,吕国红,姜鹏,贾庆宇,谢艳兵,王笑影..1961—2015年辽宁地区参考作物腾发量变化特征[J].气象与环境学报,2017,33(6):58-65,8.基金项目
中央级公益性科研院所基本科研业务费专项资金(2017SYIAEMS3)、中央级公益性科研院所基本科研业务费专项资金(2016SYIAEZD2)和国家自然科学基金项目(31501215)共同资助. （2017SYIAEMS3）
