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Forests 2016, 7(2), 30; doi:10.3390/f7020030

Attribution Analyses of Impacts of Environmental Changes on Streamflow and Sediment Load in a Mountainous Basin, Vietnam

1
College of Hydrometeorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
2
International Research Center for River Basin Environment, University of Yamanashi, Kofu, Yamanashi 4008511, Japan
3
School of Civil Engineering, Hefei University of Technology, Hefei 230009, China
4
Water Resources Research Center, Disaster Prevention Research Institute, Kyoto University, Uji, Kyoto 6110011, Japan
5
Nanjing Water Planning and Designing Institute Co., Ltd, Nanjing 210006, China
*
Author to whom correspondence should be addressed.
Academic Editors: James M. Vose and Ge Sun
Received: 29 November 2015 / Revised: 18 January 2016 / Accepted: 21 January 2016 / Published: 29 January 2016
(This article belongs to the Special Issue Forest Management and Water Resources in the Anthropocene)
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Abstract

Located in the southeastern China and northern Vietnam, the Red River is an important international trans-boundary river that has experienced rapid deforestation and environmental changes over the past decades. We conducted attribution analysis of impacts of various environmental changes on streamflow and sediment load. The contribution of reclassified environmental changes to total change of the streamflow and sediment load was separated. Land cover change based on climate-induced and human-induced indicators were defined. We found that human-induced land cover change was the main factor affecting changes of the streamflow and sediment load. Changes of the land cover were more pronounced in the dry season than in the wet season whereas sediment load changed more in the wet season than in the dry season. In addition, changes in sediment load were mainly caused by human-induced land cover change and the changes of land cover were more influential on sediment load than on streamflow in the Red River basin. View Full-Text
Keywords: human activities; climate change; land cover change; separation; streamflow; sediment load human activities; climate change; land cover change; separation; streamflow; sediment load
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wang, J.; Hiroshi, I.; Ning, S.; Khujanazarov, T.; Yin, G.; Guo, L. Attribution Analyses of Impacts of Environmental Changes on Streamflow and Sediment Load in a Mountainous Basin, Vietnam. Forests 2016, 7, 30.

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