Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central Vietnam
Sediment estimation would help practice sustainable watershed management and efficient reservoir operation. Different methods exist to estimate reservoir sedimentation based on the differences in sediment yield flowing in and releasing from the reservoir and successive bathymetric field measurements...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
KeAi Communications Co., Ltd.
2025-02-01
|
| Series: | International Journal of Sediment Research |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S100162792400129X |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841545590497869824 |
|---|---|
| author | Binh Quang Nguyen Sameh A. Kantoush Ngoc Duong Vo Tetsuya Sumi |
| author_facet | Binh Quang Nguyen Sameh A. Kantoush Ngoc Duong Vo Tetsuya Sumi |
| author_sort | Binh Quang Nguyen |
| collection | DOAJ |
| description | Sediment estimation would help practice sustainable watershed management and efficient reservoir operation. Different methods exist to estimate reservoir sedimentation based on the differences in sediment yield flowing in and releasing from the reservoir and successive bathymetric field measurements. This paper investigates the variability in sediment yield from watersheds and sedimentation in the A Vuong reservoir in central Vietnam using the soil and water assessment tool (SWAT) compared with bathymetry mapping. Bathymetry data were collected in 2003, 2015, and 2021 and conducted in 2022. SWAT was calibrated from 1996 to 2008 and validated from 2009 to 2020 using monthly observations. SWAT performs well and can accurately simulate monthly streamflow and sediment yield. The goodness-of-fit analyses suggested that the area list representation of the watershed behavior and satisfactory Sutcliffe efficiency (NSE = 0.86) values for streamflow were obtained during the calibration and validation periods. For sediment simulation, the efficiency is lower than streamflow's, with NSE in the validation values of 0.61. The results showed that the sedimentation estimate from the SWAT model is smaller than that from bathymetry. A Vuong reservoir's annual storage capacity loss due to sedimentation accumulation from the SWAT model and bathymetry was 0.08% and 0.38%, respectively. Based on the bathymetry data, we estimated that the average rate of sedimentation deposition of A Vuong reservoir was 1.3 Mm3/y. The average calculated net deposition value was 4.3 m (0.3 m per year) within fourteen years of operation. The study outcomes demonstrated that the framework approach may transfer to an ungauged catchment and address the complex sedimentation problem in tropical regions. |
| format | Article |
| id | doaj-art-7fbc087ed3f64829bc1919880234483b |
| institution | Kabale University |
| issn | 1001-6279 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | International Journal of Sediment Research |
| spelling | doaj-art-7fbc087ed3f64829bc1919880234483b2025-01-12T05:24:20ZengKeAi Communications Co., Ltd.International Journal of Sediment Research1001-62792025-02-014017890Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central VietnamBinh Quang Nguyen0Sameh A. Kantoush1Ngoc Duong Vo2Tetsuya Sumi3Water Resource Center, Disaster Prevention Research Institute (DPRI), Kyoto University, Kyoto 611-0011, Japan; Faculty of Water Resource Engineering, The University of Danang–University of Science and Technology, Danang 550000, Viet Nam; Corresponding authors.Water Resource Center, Disaster Prevention Research Institute (DPRI), Kyoto University, Kyoto 611-0011, Japan; Corresponding authors.Faculty of Water Resource Engineering, The University of Danang–University of Science and Technology, Danang 550000, Viet NamWater Resource Center, Disaster Prevention Research Institute (DPRI), Kyoto University, Kyoto 611-0011, JapanSediment estimation would help practice sustainable watershed management and efficient reservoir operation. Different methods exist to estimate reservoir sedimentation based on the differences in sediment yield flowing in and releasing from the reservoir and successive bathymetric field measurements. This paper investigates the variability in sediment yield from watersheds and sedimentation in the A Vuong reservoir in central Vietnam using the soil and water assessment tool (SWAT) compared with bathymetry mapping. Bathymetry data were collected in 2003, 2015, and 2021 and conducted in 2022. SWAT was calibrated from 1996 to 2008 and validated from 2009 to 2020 using monthly observations. SWAT performs well and can accurately simulate monthly streamflow and sediment yield. The goodness-of-fit analyses suggested that the area list representation of the watershed behavior and satisfactory Sutcliffe efficiency (NSE = 0.86) values for streamflow were obtained during the calibration and validation periods. For sediment simulation, the efficiency is lower than streamflow's, with NSE in the validation values of 0.61. The results showed that the sedimentation estimate from the SWAT model is smaller than that from bathymetry. A Vuong reservoir's annual storage capacity loss due to sedimentation accumulation from the SWAT model and bathymetry was 0.08% and 0.38%, respectively. Based on the bathymetry data, we estimated that the average rate of sedimentation deposition of A Vuong reservoir was 1.3 Mm3/y. The average calculated net deposition value was 4.3 m (0.3 m per year) within fourteen years of operation. The study outcomes demonstrated that the framework approach may transfer to an ungauged catchment and address the complex sedimentation problem in tropical regions.http://www.sciencedirect.com/science/article/pii/S100162792400129XSedimentationHydrological modelSoil and water assessment tool (SWAT)Bathymetry measurementA Vuong reservoir |
| spellingShingle | Binh Quang Nguyen Sameh A. Kantoush Ngoc Duong Vo Tetsuya Sumi Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central Vietnam International Journal of Sediment Research Sedimentation Hydrological model Soil and water assessment tool (SWAT) Bathymetry measurement A Vuong reservoir |
| title | Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central Vietnam |
| title_full | Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central Vietnam |
| title_fullStr | Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central Vietnam |
| title_full_unstemmed | Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central Vietnam |
| title_short | Framework for reservoir sedimentation estimation using the hydrological model and campaign—A case study of A Vuong reservoir in central Vietnam |
| title_sort | framework for reservoir sedimentation estimation using the hydrological model and campaign a case study of a vuong reservoir in central vietnam |
| topic | Sedimentation Hydrological model Soil and water assessment tool (SWAT) Bathymetry measurement A Vuong reservoir |
| url | http://www.sciencedirect.com/science/article/pii/S100162792400129X |
| work_keys_str_mv | AT binhquangnguyen frameworkforreservoirsedimentationestimationusingthehydrologicalmodelandcampaignacasestudyofavuongreservoirincentralvietnam AT samehakantoush frameworkforreservoirsedimentationestimationusingthehydrologicalmodelandcampaignacasestudyofavuongreservoirincentralvietnam AT ngocduongvo frameworkforreservoirsedimentationestimationusingthehydrologicalmodelandcampaignacasestudyofavuongreservoirincentralvietnam AT tetsuyasumi frameworkforreservoirsedimentationestimationusingthehydrologicalmodelandcampaignacasestudyofavuongreservoirincentralvietnam |