Assessment of Gully Erosion and Estimation of Sediment Yield in Siddheswari River Basin, Eastern India, Using SWAT Model

2019 ◽  
pp. 279-293
Author(s):  
Amit Bera ◽  
Bhabani Prasad Mukhopadhyay ◽  
Swagata Biswas
Keyword(s):  
River Basin ◽  
Sediment Yield ◽  
Swat Model ◽  
Gully Erosion ◽  
Eastern India

Modeling stream flow and sediment yield using the SWAT model: a case study of Ankara River basin, Turkey

2017 ◽  
Vol 39 (3) ◽  
pp. 264-289 ◽  
Author(s):  
Umit Duru ◽  
Mazdak Arabi ◽  
Ellen E. Wohl
Keyword(s):  
River Basin ◽  
Sediment Yield ◽  
Stream Flow ◽  
Swat Model

Assessing gully erosion susceptibility in Mayurakshi river basin of eastern India

2018 ◽  
Vol 22 (2) ◽  
pp. 883-914 ◽  
Author(s):  
Sandipta Debanshi ◽  
Swades Pal
Keyword(s):  
River Basin ◽  
Gully Erosion ◽  
Eastern India

scholarly journals Assessment of Hydrology and Sediment Yield in the Mekong River Basin Using SWAT Model

Water ◽  
2020 ◽  
Vol 12 (12) ◽  
pp. 3503
Author(s):  
Ty Sok ◽  
Chantha Oeurng ◽  
Ilan Ich ◽  
Sabine Sauvage ◽  
José Miguel Sánchez-Pérez
Keyword(s):  
Soil Erosion ◽  
River Basin ◽  
Sediment Yield ◽  
Large Scale ◽  
Sediment Load ◽  
Swat Model ◽  
Mekong River ◽  
Scale Model ◽  
Time Step ◽  
Mekong River Basin

The Mekong River Basin (MRB) in Southeast Asia is among the world’s ten largest rivers, both in terms of its discharge and sediment load. The spatial and temporal resolution to accurately determine the sediment load/yield from tributaries and sub-basin that enters the Mekong mainstream still lacks from the large-scale model. In this study, the SWAT model was applied to the MRB to assess long-term basin hydrology and to quantify the sediment load and spatial sediment yield in the MRB. The model was calibrated and validated (1985–2016) at a monthly time step. The overall proportions of streamflow in the Mekong River were 34% from surface runoff, 21% from lateral flow, 45% from groundwater contribution. The average annual sediments yield presented 1295 t/km2/year in the upper part of the basin, 218 t/km2/year in the middle, 78 t/km2/year in the intensive agricultural area and 138 t/km2/year in the highland area in the lower part. The annual average sediment yield for the Mekong River was 310 t/km2/year from upper 80% of the total MRB before entering the delta. The derived sediment yield and a spatial soil erosion map can explicitly illustrate the identification and prioritization of the critical soil erosion-prone areas of the MR sub-basins.

scholarly journals Land cover and climate change effects on streamflow and sediment yield: a case study of Tapacurá River basin, Brazil

2015 ◽  
Vol 371 ◽  
pp. 189-193 ◽  
Author(s):  
J. Y. G. Santos ◽  
R. M. Silva ◽  
J. G. Carvalho Neto ◽  
S. M. G. L. Montenegro ◽  
C. A. G. Santos ◽  
...  
Keyword(s):  
Climate Change ◽  
Land Cover ◽  
River Basin ◽  
Sediment Yield ◽  
Assessment Tool ◽  
Swat Model ◽  
Base Flow ◽  
Climate Change Effects ◽  
Monthly Streamflow ◽  
The Impact

Abstract. This study assesses the impact of the land use and climate changes between 1967–2008 on the streamflow and sediment yield in Tapacurá River basin (Brazil) using the Soil and Water Assessment Tool (SWAT) model. The model was calibrated and validated by comparing simulated mean monthly streamflow with observed long-term mean monthly streamflow. The obtained R2 and Nash–Sutcliffe efficiency values to streamflow data were respectively 0.82 and 0.71 for 1967–1974, and 0.84 and 0.82 for 1995–2008. The results show that the land cover and climate change affected the basin hydrology, decreasing the streamflow and sediment yield (227.39 mm and 18.21 t ha−1 yr−1 for 1967–1974 and 182.86 mm and 7.67 t ha−1 yr−1 for 1995–2008). The process changes are arising mainly due to the land cover/use variability, but, mainly due to the decreasing in the rainfall rates during 1995–2008 when compared with the first period analysed, which in turn decreased the streamflow and sediments during the wet seasons and reduced the base flow during the dry seasons.

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