出水時における浮遊土砂実測

概要

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The author observed the characteristics of suspended sediment in the River Nagara for three years since 1979. The suspended sediment consists of the suspended load and the wash load, and the former grain size composition is related to the bed material and its concentration is governed by the flow rate, the latter turbidity is governed by the upslope supply rate. This paper presents the characteristics of the watershed, the return period of a rainfall and the cross section of the measuring site, and especially aims to publish these valuable measured data. Unfortunatelly, in our country there are scarcely a continuous data concerned with the suspended load in a field, and it is not able to expect the continuous measurement by a goverment agency. When we recognize this situation, it is very valuable work to publish these measured data in this bulletin.
大同工業大学の論文