Mots-clés
Analyse isotopique ; Chine ; Erosion des sols ; Erosion hydrique ; Géochimie ; Shaanxi ; Simulation de pluie ; TraceurChina ; Geochemistry ; Isotope analysis ; Rainfall simulation ; Shaanxi ; Soil erosion ; Tracer ; Water erosionAnálisis isotópico ; Chensi ; China ; Erosión de los suelos ; Erosión hídrica ; Geoquímica ; Simulacíon de lluvia ; TrazadorUsing beryllium-7 to monitor the relative proportions of interrill and rill erosion from loessal soil slopes in a single rainfall event
Auteur(s) et Affiliation(s)
LIU, G.
Key Lab. of Geological Hazards on Three Gorges Reservoir Area, China Three Gorges Univ., Yichang, Chine
State Key Lab. of Soil Erosion and Dryland Farming on the Loes Plateau, Inst. of Soil and Water Conservation, CAS, Univ., Yangling, Chine
YANG, M.Y.
State Key Lab. of Soil Erosion and Dryland Farming on the Loes Plateau, Inst. of Soil and Water Conservation, CAS, Univ., Yangling, Chine
WARRINGTON, D.N.
State Key Lab. of Soil Erosion and Dryland Farming on the Loes Plateau, Inst. of Soil and Water Conservation, CAS, Univ., Yangling, Chine
LIU, P.L.
State Key Lab. of Soil Erosion and Dryland Farming on the Loes Plateau, Inst. of Soil and Water Conservation, CAS, Univ., Yangling, Chine
TIAN, J.L.
State Key Lab. of Soil Erosion and Dryland Farming on the Loes Plateau, Inst. of Soil and Water Conservation, CAS, Univ., Yangling, Chine
Description :
The aim of this research was to use 7Be as a tracer to partition the sediment removed from bare, hand-cultivated, loessal soil plots by either interrill or rill erosion processes and to estimate their proportions in (1) the total soil loss, (2) the deposited material in a depositional area, (3) the suspended sediment carried beyond the depositional area and, where practical, the temporal variation in these processes. Furthermore, the measured quantities of eroded material were compared to those derived by calculations based on existing models. Two adjacent experimental plots, A and B, were constructed in the field to receive 7Be fallout in Yangling County, Shaanxi Province, in the Loess Plateau region of China.
Type de document :
Article de périodique
Source :
Earth surface processes and landforms, issn : 0197-9337, 2011, vol. 36, n°. 4, p. 439-448, nombre de pages : 10, Références bibliographiques : 36 ref.
Date :
2011
Editeur :
Pays édition : Royaume-Uni, Chichester, Wiley
Langue :
Anglais
Anglais
Droits :
Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI)
Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI)