生态与农村环境学报2024，Vol.40Issue(6)：799-805,7.DOI:10.19741/j.issn.1673-4831.2023.0976
北京3种典型树种对降水再分配过程及化学特征的影响
Assessing Precipitation Redistribution and Chemical Dynamics in Beijing:Impact of Three Typical Tree Species
摘要
Abstract
Three tree species of Amygdalus triloba(At),Robinia pseudoacacia(Rp)and Juniperus juniper(Jj)were used as research objects,and self-made through fall and stem flow collection devices were used to collect and analyze through fall and stem flow in July of 2021.NH4+,Ca2+,K+,Cl-,NO3-and SO42-were the main components of precipita-tion ions.During the continuation of the precipitation process,the concentrations of most of the tested ions in the through fall and stem flow of At,through fall of Rp,and stem flow of the Jj were correlated with the duration of the rainfall.During the rainfall duration,the concentrations of most of the tested ions in the through fall and stem flow of At,the through fall of Rp and the stem flow of Jj were correlated with the duration.The K+,Mg2+,and Ca2+ions associated with stagnant dust in the through fall and trunk stem flow of At were significantly different from those of the other two species.Changes in Ca2+,Mg2+,Cl-,and NO3-concentrations after precipitation drenching Jj branches and trunks were greater than those of At and Rp.The main cations and anions in both through fall and stem flow were Ca2+,K+and NO3-,which may be related to dust and automobile exhaust pollution in the experimental area.关键词
降水再分配/林冠层/穿透雨/树干茎流/化学特征Key words
precipitation redistribution/forest canopy/through fall/stem flow/chemical characteristics分类
资源环境引用本文复制引用
王以劢,张振明..北京3种典型树种对降水再分配过程及化学特征的影响[J].生态与农村环境学报,2024,40(6):799-805,7.基金项目
国家自然科学基金(41877535) （41877535）
