PROPOSAL OF AN HOURLY RAINFALL INTERCEPTION MODEL IN CONSIDERATION OF MICRO-DROPLET FLUXES ABOVE CANOPIES

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  • 浮遊微細水滴の水平方向輸送を考慮に入れた時間降雨遮断量推定法の提案

Abstract

<p> Horizontal micro-droplet fluxes above forest canopies were assumed to predominantly contribute to the rainfall interception process. The product of wind speed and rainfall intensity was stochastically modelled as horizontal micro-droplet fluxes on the basis of turbulent diffusion theory. The horizontal micro-droplet fluxes were applied to a multiple regression model as independent variables. The rainfall interception and meteorological data observed in two forested catchments in Tokushima were applied to the multiple regresion model. The results showed that the proposed multiple regression model described the hourly processes of rainfall interception well.</p>

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