Advances in River Sediment Research by Shoji Fukuoka, Hajime Nakagawa, Tetsuya Sumi, Hao Zhang

By Shoji Fukuoka, Hajime Nakagawa, Tetsuya Sumi, Hao Zhang

Sediments, which represent the skin of the Earth, begin their trip to rivers with the power bought from rainfalls, fl oods and different usual tactics. because of delivery of sediments, rivers enhance with a number of appearances and services, and play an important position within the actions of people and the lifestyles cycles of different species. River sediment, as a standard subject for river administration, has been the Read more...

Show description

Read Online or Download Advances in River Sediment Research PDF

Best water quality & treatment books

Water and Health in Europe (WHO Regional Publications, European)

Even if a few features of water caliber and provide have greater in a few nations over the past decade, development has been variable. Renewed emphasis is being put on microbial caliber and the acknowledgement of formerly unrecognized and re-emerging microbial and different risks. the various advised recommendations are as acceptable this day as they have been a decade in the past.

Pesticides in the Atmosphere: Distribution, Trends, and Governing Factors (Pesticides in the Hydrologic System)

Most folk find out about the presence and healthiness results of pesticide residues within the water they drink. besides the fact that, they won't detect the influence of atmospheric transportation and deposition of insecticides on water caliber. medical reports of insecticides in a number of atmospheric matrices (air, rain, snow, aerosols, and fog) supply many of the solutions.

Integrity Testing of Low-Pressure Membranes

Membrane integrity is in an enticing blend of technological know-how, engineering, and rules. The booklet introduces the reader to the topic within the context of ingesting water filtration. either theoretical and useful points of membrane integrity checking out are mentioned besides old and destiny applied sciences

Additional info for Advances in River Sediment Research

Sample text

2000. Issues on reservoir sedimentation management in a sediment transport system, Proc. 8th Seminar of Japan Society of Dam Engineers (in Japanese). indb 19 7/22/2013 2:28:57 PM This page intentionally left blank Advances in River Sediment Research – Fukuoka et al. T. Li, F. W. L. Zhu State Key Laboratory of Water Resources and Hydropower Engineering, Wuhan University, Wuhan, China ABSTRACT: In this paper, we introduce a new norm, stable slope, to make alluvial riverbank stability assessment. The definition and calculation of stable slope is demonstrated, followed by the analysis of stable slope variation with bank composition.

The water stage of the sedimentation pool will rise in harmony with the inflow of flood flow, and soon, the flow gets over the partition bank. Therefore, some reinforcements of the surface of the separating bank are necessary to prevent from the scouring by the overflow. When the main reservoir controls flood by using the surcharge capacity, the water stages in the main reservoir and in the sedimentation pool become equal height and rise in harmony, thereby the separating bank is submerged. Meanwhile, the delta deposits are formed within the sedimentation pool by the sediment runoffs from the respective A and B Ravines that proceed downstream and are combined into one in due time.

As opposed to this, the third largest annual sediment Figure 4. Comparison of the calculated annual sediment yields with the measured data. Figure 5. Hyetograph of a rainfall event selected to estimate the hydrograph and sediment graph by the SERMOW ver. 2 model. 8 million m3 that yielded with only one large flood. 31 million m3. 5 times larger than that of the annual mean value. This fact should be taken into account in the design of the sedimentation pool. As an example, the rainfall event of which hyetograph is shown in Figure 5 is chosen to show the runoff hydrograph and sediment graph in the A Ravine.

Download PDF sample

Rated 4.80 of 5 – based on 8 votes