灌溉排水学报2017，Vol.36Issue(11)：86-93,8.DOI:10.13522/j.cnki.ggps.2017.11.015
汾河灌区参考作物蒸散发量变化趋势及影响要素分析
Reference Evapotranspiration and the Factors Affecting It in Fenhe Irrigation District
摘要
Abstract
Climate change has a great impact on hydrological cycle and water resource management in catch-ments. Under standing the change in reference evapotranspiration (ET0) in a catchment can improve its water re-source management. In this paper, the change of ET0 in Fenhe Irrigation District and the factors affecting it were analyzed using long-term climatic data in this region. The results showed that the annual ET0 in Fenhe Irrigation District did not show a significant (P>0.05) change from 1951 to 2014, because the positive effect of the in-creased temperature and decreased relative humidity on ET0 was compensated for by the negative effect due to the decreased wind speed and sunshine time. Changes in temperature, relative humidity and wind speed affected ET0 considerably from April to June, while sunshine hours impacted ET0 from May to September. Our results can help to efficiently allocate water resources in Fenhe Irrigation District as well asin the Fen River basin.关键词
汾河灌区/气候变化/参考作物蒸散发/变化趋势/敏感性分析Key words
Fenhe irrigation district/climate change/reference evapotranspiration/change trend/sensitive anal-ysis分类
农业科技引用本文复制引用
李海军,刘海军,张智郡..汾河灌区参考作物蒸散发量变化趋势及影响要素分析[J].灌溉排水学报,2017,36(11):86-93,8.基金项目
国家自然科学基金项目(51479004) （51479004）
