Impacts of Rainfall and Land Use on Sediment Regime in a Semi-Arid Region: Case Study of the Wuqi Catchment in the Upper Beiluo River Basin, China

Jingliang Zhu; Peng Gao; Violette Geissen; Jerry Maroulis; Coen J Ritsema; Xingmin Mu; Guangju Zhao

doi:10.1080/15324982.2014.919041

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Impacts of Rainfall and Land Use on Sediment Regime in a Semi-Arid Region: Case Study of the Wuqi Catchment in the Upper Beiluo River Basin, China

Journal article

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Impacts of Rainfall and Land Use on Sediment Regime in a Semi-Arid Region: Case Study of the Wuqi Catchment in the Upper Beiluo River Basin, China

Jingliang Zhu, Peng Gao, Violette Geissen, Jerry Maroulis, Coen J Ritsema, Xingmin Mu and Guangju Zhao

Arid Land Research and Management, Vol.29(1), pp.1-16

2015

DOI: https://doi.org/10.1080/15324982.2014.919041

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Abstract

land cover

land use

Loess Plateau

sediment concentration

sediment discharge

The middle reaches of the Yellow River Basin transport the vast majority of sediment (>85% of the basin's total available sediment load), which has had profound effects on the characteristics of the middle and lower reaches of the Yellow River. With recent land use and land cover change, the Yellow River Basin has experienced significant sediment regime fluctuations. In this study, we analyzed the sediment regime from the Wuqi catchment which feeds into the upper reaches of the Beiluo River. Results show that a significant decreasing trend in annual suspended sediment discharge and suspended sediment concentration has existed from 1985 to 2008. The change-point year (the year that abrupt changes in sediment regime occurred in the catchment) was detected in 2001 (p less than 0.05) for suspended sediment discharge and sediment concentration. There was a significant decreasing trend in streamflow discharge with the change-point year detected in 2002. Meanwhile, erosive rainfall and heavy rainfall exhibits an increasing but not significant trend. Coevally, land use has undergone considerable transformation. Compared to rainfall, land use, and land cover change and soil and water conservation have played a major role in influencing the sediment regime post-2000. In order to reduce soil erosion and sediment yield, more attention should be paid to changes in land use pattern and the impacts of soil and water conservation.

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Title: Impacts of Rainfall and Land Use on Sediment Regime in a Semi-Arid Region: Case Study of the Wuqi Catchment in the Upper Beiluo River Basin, China
Authors: Jingliang Zhu (Author) - Institute of Soil and Water Conservation of Northwest A&F University, China
Peng Gao (Author) - Institute of Soil and Water Conservation of Northwest A&F University, China
Violette Geissen (Author) - University of Wageningen, Netherlands
Jerry Maroulis (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Coen J Ritsema (Author) - University of Wageningen, Netherlands
Xingmin Mu (Author) - Institute of Soil and Water Conservation of Northwest A&F University, China
Guangju Zhao (Author) - Institute of Soil and Water Conservation of Northwest A&F University, China
Publication details: Arid Land Research and Management, Vol.29(1), pp.1-16
Publisher: Taylor & Francis Inc.
Date published: 2015
DOI: 10.1080/15324982.2014.919041
ISSN: 1532-4982
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99448993402621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Environmental Sciences; Soil Science

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