IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2015  > Vol12 No.4
Effect of Land Use Change on Runoff and Sediment Yield in Da River Basin of Hoa Binh province, Northwest Vietnam
NGO Thanh Son; NGUYEN Duy Binh; Rajendra Prasad SHRESTHA
Corresponding AuthorNGO Thanh Son
2015-07
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume12Issue:4Pages:1051-1064
Subtype期刊论文
AbstractThe objective of this study was to assess runoff discharge and sediment yield from Da River Basin in the Northwest of Vietnam using Soil and Water Assessment Tools (SWAT) model. The SWAT model was calibrated and validated using the observed monthly stream flows and sediment yield at selected gauging stations. The results indicated that SWAT generally performs well in simulating runoff and sediment yield according to Nash-Sutcliffe efficiency (NSE), Observation’s standard deviation ratio (RSR), and percent bias (PBIAS) values. For runoff, the values of NSE, RSR, and PBIAS were 0.98, 0.02, and 3.69 during calibration period and 0.99, 0.01, and 1.56 during validation period, respectively. For sediment yield, the efficiency was lower than the value of NSE, RSR, and PBIAS during calibration period were 0.81, 0.19, and -4.14 and 0.84, 0.16, and -2.56 during validation period, respectively. The results of the study indicated that the vegetation status has a significant impact on runoff and sediment yield. Changes in land use type between 1995 and 2005 from forest to field crop and urban strongly contributed to increasing the average annual runoff from 182.5 to 342.7 mm and sediment yield from 101.3 to 148.1 ton-1 ha. Between 2005 and 2010, a decrease of both runoff (from 342.7 to 167.6 mm) and sediment yield (from 148.1 to 74.0 ton-1 ha) was due to the expansion of forested area and application of soil conservation practices. The results of this study are important for developing soil and water conservation programs, extending future SWAT modelling studies and disseminating these results to other regions in Vietnam.
KeywordLand Use Change Hydrology Soil Erosion Soil And Water Assessment Tools (Swat) Da River Basin
DOI10.1007/s11629-013-2925-9
Indexed BySCI
Language英语
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10648
CollectionJournal of Mountain Science_Journal of Mountain Science-2015_Vol12 No.4
Corresponding AuthorNGO Thanh Son
Recommended Citation
GB/T 7714
NGO Thanh Son,NGUYEN Duy Binh,Rajendra Prasad SHRESTHA. Effect of Land Use Change on Runoff and Sediment Yield in Da River Basin of Hoa Binh province, Northwest Vietnam[J]. Journal of Mountain Science,2015,12(4):1051-1064.
APA NGO Thanh Son,NGUYEN Duy Binh,&Rajendra Prasad SHRESTHA.(2015).Effect of Land Use Change on Runoff and Sediment Yield in Da River Basin of Hoa Binh province, Northwest Vietnam.Journal of Mountain Science,12(4),1051-1064.
MLA NGO Thanh Son,et al."Effect of Land Use Change on Runoff and Sediment Yield in Da River Basin of Hoa Binh province, Northwest Vietnam".Journal of Mountain Science 12.4(2015):1051-1064.
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