地盤工学視点からの森林土壌の保水機能の定量的評価の試み(<特集>地盤工学と農林学・生態学/第4回日中地盤工学シンポジウム)

概要

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Because of growing concern about the environmental impacts, forest slopes are being considered as a natural dam by using its ability of storage rainwater. However, the evaluation technique for storage capacity of rainwater based on science-based methods has not been established. In this study, the authors carried out paper reviews to conclude the technical problems in Japan for evaluation of the storage capacity of forest slopes from geotechnical point of views. Then, the authors established a measuring system of rainfall infiltration on in-situ forest slopes. Finally, a simplified method to estimate the storage capacity of rainwater in forest slopes is proposed based on the results of field measurements.
2010-09-01