Study on sedimentary characteristics of warping dam under different silting states in Chabagou watershed | Zendy

Li Ma | Zendy; Yongxin Ni | Zendy; Xizhi Lv | Zendy; Qiufen Zhang | Zendy; Liu Nan | Zendy

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Study on sedimentary characteristics of warping dam under different silting states in Chabagou watershed

Author(s) -

Li Ma,

Yongxin Ni,

Xizhi Lv,

Qiufen Zhang,

Liu Nan

Publication year - 2021

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/687/1/012034

Subject(s) - siltation , watershed , image warping , geology , hydrology (agriculture) , geography , environmental science , geomorphology , computer science , sediment , geotechnical engineering , artificial intelligence , computer vision

It is the premise and foundation of the study on the laws of sediment transport and deposition to deeply analyze the sedimentary characteristics of warping dams in different siltation states under rainstorm conditions. Taking Chabagou basin as the research area, based on the sediment deposition information of different types of warping dams in the basin, linear regression and correlation analysis were used to analyze the characteristics of dam deposition under different silting conditions in Chabagou basin. The results show that: (1) The maximum sediment depth and average sediment depth of warping dams under different sediment conditions are as follows: blocking dam > waterlogging dam > intact dam > full dam; (2) The sediment depth of warping dams under different sediment conditions has an exponential negative correlation with the ratio of dam field to dam-controlled watershed area, and the correlation coefficient of blocking dam is best(0.7267); (3) Warping dams average modulus of intercepting sediment with different siltation types is as follows: blocking dam 14274 t/km 2 , intact dam 12480 t/km 2 , waterlogging dam 11725 t/km 2 , full dam 3350 t/km 2 .

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