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Effect of grass coverage on sediment yield in the hillslope-gully side erosion system

Auteur(s) et Affiliation(s)

LI, M.
Yellow Rivers Inst. of Hydraulic Research, Key Lab. of Yellow River Sediment Research of Ministry of Water Resources, Zhengzhou, Chine
YAO, W.
Yellow Rivers Inst. of Hydraulic Research, Key Lab. of Yellow River Sediment Research of Ministry of Water Resources, Zhengzhou, Chine
DING, W.
Yangtze River Scientific Research Inst., Wuhan, Chine
YANG, J.
Yellow Rivers Inst. of Hydraulic Research, Key Lab. of Yellow River Sediment Research of Ministry of Water Resources, Zhengzhou, Chine
CHEN, J.
Yellow Rivers Inst. of Hydraulic Research, Key Lab. of Yellow River Sediment Research of Ministry of Water Resources, Zhengzhou, Chine


Description :
By scouring experiments, the changeable process and characteristics of sediment yield in the hillslope-gully side erosion system with different coverage degrees and spatial locations of grass were studied. It is showed that the proportion of sediment yield from the gully side increased in an exponential relationship with the increase of grass coverage degree. When the grass was located on the lower position of hillslope, the influence for accelerating gully erosion is the greatest.


Type de document :
Article de périodique

Source :
Journal of geographical sciences. Acta geographica sinica, issn : 1009-637X, 2009, vol. 19, n°. 3, p. 321-330, nombre de pages : 10, Références bibliographiques : 1 p.

Date :
2009

Editeur :
Pays édition : Chine

Langue :
Anglais
Droits :
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