Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007

Yanyan Ma; Guangxue Li; Siyuan Ye; Zhiheng Zhang; Guangming Zhao; Jingyang Li; Chunyan Zhou; Wenjie Ding; Xin Yang

doi:10.1007/s00343-010-9055-9

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Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007

OriginalPaper | Updated：2023-05-16

- Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007
- Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007
- 海洋湖沼学报（英文） 2010年28卷第6期页码：1362-1370
- Affiliations：
  
  1. College of Marine Geosciences Ocean University of China
  2. Key Lab of Submarine Geosciences and Prospecting Techniques Ministry of Education
  3. Qingdao Institute of Marine Geology
- Author bio：
- Funds：
  
  Supported by National Key Basic Research Program of China (No. 2005CB422304), National Natural Science Foundation of China (No.40872167), Achievement Integration of the 908 Program of China (No. 908-ZC-II-05)
- DOI：10.1007/s00343-010-9055-9
  中图分类号：
- 网络首发：2010-11-10，
  
  纸质出版：2010
- Accepted：
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Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007[J]. 海洋湖沼学报（英文）, 2010,28(6):1362-1370.

Ma, Y., Li, G., Ye, S. et al. Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007., Chin. J. Ocean. Limnol. 28, 1362–1370 (2010). https://doi.org/10.1007/s00343-010-9055-9
Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007[J]. 海洋湖沼学报（英文）, 2010,28(6):1362-1370. DOI： 10.1007/s00343-010-9055-9.

Ma, Y., Li, G., Ye, S. et al. Response of the distributary channel of the Huanghe River estuary to water and sediment discharge regulation in 2007., Chin. J. Ocean. Limnol. 28, 1362–1370 (2010). https://doi.org/10.1007/s00343-010-9055-9 DOI：

摘要

Abstract

The water and sediment discharge regulation (WSDR) project

which has been performed since 2002 before flood season every year

is of great significance to the river management in China. Until 2007

six experiments have been fulfilled to evaluate the effect of the project on the natural environment. To fill the gap of investigations

a study on flood and suspended sediment transportation and channel changing along the distributary channel of the Huanghe (Yellow) River was conducted during the WSDR project period in 2007. The lower channel was scoured rapidly and the channel became unobstructed gradually several days after the flood peak water was discharged from the Xiaolangdi Reservoir. Within four days after the flood peak at 3 000 m3/s entered the distributary

the channel in the river mouth area was eroded quickly. Both the mean values of area and depth of the main channel were tripled

and the maximum flood carrying capacity increased to 5 500 m3/s or more. Then

the river channel was silted anew in a very short time after completion of the WSDR. Favored by the WSDR project

the river status in April 2008 became better than that of the year before. The adjustment ranges of main channel parameters were about 30%

10%

and 10% at sections C2

and Q7

respectively. The process of rapid erosion-deposition was more active 15 km away in the channel from the river mouth due to the marine influence. It is reasonable for discharging sediment at concentration peak from Xiaolangdi Reservoir at the end of the flood peak. As a result

the sediment peak reached the river mouth about two days later than that of the water current. In addition

the WSDR project has improved the development of the estuarine wetland. Wetland vegetation planted along the river banks restrained the water flow as a strainer and improved the main channel stability. It is suggested to draw water at mean rate of 150 m3/s from the Huanghe River during flood periods

because at the rate the water in the wetland would be stored and replenished in balance. Moreover

we believe that cropland on the river shoal of the lower Huanghe River should be replaced by wetland. These activities should achieve the Huanghe River management strategy of “To concentrate flow to scour sediment

stabilize the main channel

and regulate water and sediment”.

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Keywords

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