[1]BAO Yu-hai,HE Xiu-bin.Preliminary Study on Soil Erosion at the Water-Level-Fluctuating Zone of the Three-Gorges Reservoir[J].Research of Soil and Water Conservation,2011,18(06):190-195.
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Preliminary Study on Soil Erosion at the Water-Level-Fluctuating Zone of the Three-Gorges Reservoir
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
18
Number of periods:
2011 06
Page number:
190-195
Column:
Public date:
2011-12-20
- Title:
- Preliminary Study on Soil Erosion at the Water-Level-Fluctuating Zone of the Three-Gorges Reservoir
- Keywords:
- the Three-Gorges Reservoir; water level fluctuating zone; bank collapse; surge erosion; soil erosion
- CLC:
- S157.1
- DOI:
- -
- Abstract:
- There will be the annual change of 30 m in water level after the Three-Gorges Reservoir is completed, and thus there will be a water-level-fluctuating zone. Because few plants can grow well in such environment that is either very wet or very dry, usually the belt appears as a bare slope and has serious soil erosion problem. Characteristics of soil and water loss are primary obtained through field survey in the existing water-level-fluctuating zone. The preliminary investigation result indicates that the phenomenon of the soil and water loss is comparatively serious in the water-level-fluctuating zone, the influence factor of the soil and water loss is complicated and various, and the main soil erosion forms are surge erosion, slope erosion, bank collapse, and landslide. Furthermore, the results also showed that surge erosion and bank collapse are more prominent than other soil and water loss forms, the main forms of the slope erosion are rainfall splash erosion and runoff scouring, and the main forms of the landslide are creep and collapse.
- References:
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1900-01-01