Study on Rainfall Interception in the Canopy of Garden Trees
In order to prevent urban waterlogging more scientifically,implement rainwater management and soil and water conservation in gardens,the rainfall interception effect of 8 kinds of landscape trees canopy in North China was studied by artificial rainfall simulation and soaking method.The results show that the interception ability of tree canopy is related to leaf characteristics,rain intensity,leaf overlap relationship and rainfall time,and the interception ability is bet-ter in mode 2 and mode 4.The average leaf area has the greatest influence on the maximum interception,and the correla-tion is significant.The results of different experimental methods are different.The difference of Malus micromalus Maki-no is the smallest,and the difference of Bothrocaryum controversum is the largest,but soaking method can not reflect the most real characteristics of rainfall interception.The maximum interception per unit area is not proportional to the maxi-mum interception rate.
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