2013•Bulletin of Soil and Water ConservationRequires access

Canopy Interception Characteristics of Apple Trees in Gully Region of Loess Plateau

Qingfeng Zhang

Abstract

Changwuyuan as a representative landform in the gully region of Loess Plateau was selected as the study area of this study.We analyzed canopy interception characteristics of apple trees and quantified canopy allocation of rainfall based on field observations during 45 rainfall events.The results showed that throughfall,stemflow and canopy interception accounted for 75%~97%,0.2%~1.6%,and 2%~25% of the total rainfall,respectively.The relationship between throughfall and total rainfall could be described roughly by a parabolic curve with upward opening and that between stemflow and total rainfall by a linear equation.The relationship between canopy interception and total rainfall was cubic polynomial,which had the highest fitting degree with the observed values.

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Key concepts: Throughfall, Stemflow, Interception, Canopy, Loess plateau, Canopy interception, Landform, Environmental science