Suspended sediment transport in a river basin estimated by chemical composition analysis

被引：2
|
作者：
Ishida, Tetsuya [1 ]
Nakayama, Keisuke [2 ]
Okada, Tomonari [3 ]
Maruya, Yasuyuki [4 ]
Onishi, Kiyofumi [4 ]
Omori, Mio [5 ]
机构：
[1] Minist Land Infrastruct Transport & Tourism, Shinanogawa River Off, Hokuriku Reg Dept Bur, 1-5-30 Shinano, Nagaoka, Niigata 9400098, Japan
[2] Kitami Inst Technol, Dept Civil & Environm Engn, Kitami, Hokkaido, Japan
[3] Natl Inst Land & Infrastruct Management, Marine Environm Div, Yokosuka, Kanagawa, Japan
[4] Kitami Inst Technol, Grad Sch Civil Engn, Kitami, Hokkaido, Japan
[5] Minist Land Infrastruct Transport & Tourism, Hokkaido Reg Dev Bur, Abashiri Dev & Construct Dept, Sapporo, Hokkaido, Japan
来源：
HYDROLOGICAL RESEARCH LETTERS | 2010年 / 4卷
基金：
日本学术振兴会;
关键词：
sediment transport; chemical composition; particle diameter distribution; GIS;
D O I：
10.3178/HRL.4.55
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
Production and transportation of suspended sediment was investigated by sampling surface soils in 18 domains over an entire river basin. Particle size distributions alone suggested that all domains were a source of suspended sediment. Chemical composition analysis however showed that the transport rate of suspended sediment was more closely related to the type of surface soil than to land use. A method was developed which enables estimation of the relative suspended sediment transport rates from each domain of a river basin to its downstream end. The model's validity was verified through good agreement with field sampling results.
引用
收藏
页码：55 / 59
页数：5
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