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Effects of vegetation and slope aspect on water budget in the hill and gully region of the Loess Plateau of China

Auteur(s) et Affiliation(s)

WANG, L.
State Key Lab. of Soil Erosion and Dryland Farming on Loess Plateau, Northwest Univ. Shaanxi, Yangling, Chine
Inst. of Soil and Water Conservation, Chinese Academy of Science and Ministry of Water Resources, Shaanxi, Yangling, Chine
WEI, S.
State Key Lab. of Soil Erosion and Dryland Farming on Loess Plateau, Northwest Univ. Shaanxi, Yangling, Chine
Inst. of Soil and Water Conservation, Chinese Academy of Science and Ministry of Water Resources, Shaanxi, Yangling, Chine
Bureau of Water Conservancy in Luliang City, Lishi, Chine
HORTON, R.
Dep. of Agronomy, Iowa State Univ., Ames, Etats-Unis
SHAO, M.
State Key Lab. of Soil Erosion and Dryland Farming on Loess Plateau, Northwest Univ. Shaanxi, Yangling, Chine
Inst. of Soil and Water Conservation, Chinese Academy of Science and Ministry of Water Resources, Shaanxi, Yangling, Chine


Description :
Precipitation, throughfall, stemflow and soil water content were measured, and interception, transpiration, evaporation, runoff, deep percolation and soil water recharge were estimated in the natural Liaotung Oak forestlands in the hill and gully region of the China Loess Plateau. Four stands (south- and north-facing slopes) of 2 forests were studied between May 27, 2006 and October 31, 2007. Hydrological fluxes were calculated using a coupled water and heat flow model called CoupModel. Throughfall, stemflow and soil water content were used to calibrate the model. The simulations indicated that, interception, vegetation, transpiration and soil water evaporation were the main components of water consumption in the 4 stands, accounting for about 90% of the precipitation. The water budget differences among the 4 stands indicate that care is required for properly selecting regrown tree-species.


Type de document :
Article de périodique

Source :
Catena (Giessen), issn : 0341-8162, 2011, vol. 87, n°. 1, p. 90-100, nombre de pages : 11, Références bibliographiques : 1 p.

Date :
2011

Editeur :
Pays édition : Allemagne, Cremlingen-Destedt, Catena

Langue :
Anglais
Droits :
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