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- Title
Combining rainfall-runoff and hydrodynamic models for simulating flow under the impact of climate change to the lower Sai Gon-Dong Nai River basin.
- Authors
Lee, Seung Kyu; Dang, Truong An; Tran, Tuan Hoang
- Abstract
This study presented simulation results of runoff discharge combining the Mike NAM and Mike SHE models for lower Sai Gon-Dong Nai River basin (SG-DNRB). Sai Gon-Dong Nai River basin is Vietnam’s largest population center and main industrial area in Ho Chi Minh City. In recent years, the area faces flooding problems because of heavy rainfalls and high tides, as part of the impacts of climate change and sea level rise. The lower of SG-DNRB was selected as a case study to highlight the necessity to investigate combination of the rainfall-runoff model and the hydrodynamic model for long-term strategies to resource water in the future. The models were calibrated using water level and runoff discharge data during low and flood seasons in 2014. The calibrated results showed satisfactory coefficients (NASH index, R2 up to 0.70 and RMSE is smaller than 0.20). The results confirmed that the combination of Mike NAM and Mike SHE models is well suitable to simulate runoff discharge in the lower SG-DNRB. Combination of the models can be considered a useful tool to help professional agency operator water resources management projects in other areas in the context of climate change and sea level rise.
- Subjects
RUNOFF prevention; HYDRODYNAMICS; CLIMATE change; NATURAL resources management; WATERSHED management
- Publication
Paddy & Water Environment, 2018, Vol 16, Issue 3, p457
- ISSN
1611-2490
- Publication type
Academic Journal
- DOI
10.1007/s10333-018-0639-x