Next Article in Journal
Evaluation of Thirty-Eight Models of Drippers Using Reclaimed Water: Effect on Distribution Uniformity and Emitter Clogging
Previous Article in Journal
Dissolution-Desorption Dynamics of Strontium During Elution Following Evaporation: pH and Ionic Strength Effects
Article

Integrated Hydrologic and Hydrodynamic Models to Improve Flood Simulation Capability in the Data-Scarce Three Gorges Reservoir Region

1
School of Hydropower and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2
Hubei Key Laboratory of Digital Valley Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
3
Changjiang Institute of Survey, Planning, Design and Research, Wuhan 430010, China
*
Author to whom correspondence should be addressed.
Water 2020, 12(5), 1462; https://doi.org/10.3390/w12051462
Received: 27 March 2020 / Revised: 20 April 2020 / Accepted: 22 April 2020 / Published: 20 May 2020
(This article belongs to the Section Hydrology)
One-dimensional hydrodynamic modeling approaches are useful for flood simulations; however, most studies often neglect intermediate discharges due to difficulties in obtaining the associated data. Herein, we produced the XAJ-H1DM model by coupling the Xinanjiang (XAJ) model, without the Muskingum module, with a one-dimensional hydrodynamic (H1DM) model, using regionalization approaches to test their practicality. Another model, named H1DM-XAJ, was also produced by orderly calibrating the H1DM and XAJ models to achieve improved flood simulations in poorly gauged catchments. The flood simulation capabilities of the four models (including the single XAJ and H1DM models) were investigated and compared at a daily time scale in the Three Gorges Reservoir Region, China. The results show that the regionalization approaches can be successfully used in the application of the integrated hydrologic and hydrodynamic model in ungauged intermediate catchments. Further, the coupled models produced markedly improved estimates of peak discharge and runoff volume compared to the single models. Moreover, the ability of the coupled models to simulate the peak water level and hydrograph, which hydrological models lack, is significantly better than that of the single H1DM model. The framework presented can be applied in other data-scarce catchments worldwide for better understanding of the hydrodynamic processes. View Full-Text
Keywords: Xinanjiang model; one-dimensional hydrodynamic model; flood simulation; Three Gorges Reservoir Region; ungauged catchments; integrated hydrologic and hydrodynamic model Xinanjiang model; one-dimensional hydrodynamic model; flood simulation; Three Gorges Reservoir Region; ungauged catchments; integrated hydrologic and hydrodynamic model
Show Figures

Figure 1

MDPI and ACS Style

Zhang, Y.; Zhou, J.; Lu, C. Integrated Hydrologic and Hydrodynamic Models to Improve Flood Simulation Capability in the Data-Scarce Three Gorges Reservoir Region. Water 2020, 12, 1462. https://doi.org/10.3390/w12051462

AMA Style

Zhang Y, Zhou J, Lu C. Integrated Hydrologic and Hydrodynamic Models to Improve Flood Simulation Capability in the Data-Scarce Three Gorges Reservoir Region. Water. 2020; 12(5):1462. https://doi.org/10.3390/w12051462

Chicago/Turabian Style

Zhang, Yulong, Jianzhong Zhou, and Chengwei Lu. 2020. "Integrated Hydrologic and Hydrodynamic Models to Improve Flood Simulation Capability in the Data-Scarce Three Gorges Reservoir Region" Water 12, no. 5: 1462. https://doi.org/10.3390/w12051462

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop