Reservoir Operation with Feedback in a Coupled Land Surface and Hydrologic Model: A Case Study of the Huai River Basin, China

Lv, Meng; Hao, Zhenchun; Lin, Zhaohui; Ma, Zhuguo; Wang, Jiahu

doi:10.1111/1752-1688.12375

Cited by 18 publications

(15 citation statements)

References 48 publications

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“…Overall, the streamflow variation due to reservoirs is of the greatest importance and has been extensively investigated in the literature. Multiple studies have reported an increased streamflow in dry seasons for water supply and a decreased streamflow in wet seasons for flood control (Lv et al, ; Ngo, Masih, Jiang, & Douven, ; Wu et al, ), which is in line with our finding with respect to a reservoir network. Over a long‐term period, a slightly decreased streamflow can be observed, which can be attributed to reservoir seepage and evaporation.…”

Section: Discussionsupporting

confidence: 93%

“…The surface run‐off routing in CLHMS is controlled by V l , the thickness of surface water averaged over the grid cell, which is altered with the impounding or releasing of reservoirs. Although V l directly affects the surface run‐off routing through the 2‐D diffusion wave equation (Lv et al, ), it also induces a response from other hydrological processes, such as run‐off generation and groundwater discharge, which reciprocally alters the reservoir regulation.…”

Section: Methods and Datamentioning

confidence: 99%

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Hydrological impact of a reservoir network in the upper Gan River Basin, China

Dong

Yang

et al. 2019

Hydrological Processes

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A few relatively large reservoirs, hundreds of small reservoirs, and numerous farm dams were built in the upper Gan River Basin, China. The operation of such a reservoir network can serve as a significant source of variability in the local hydrological regime and should be included in research to better understand the interaction between multiple hydrological processes and watershed management. In this study, a reservoir network module that included reservoirs of multiple sizes was developed and fully integrated into the coupled land surface and distributed hydrologic model system (CLHMS), for a detailed description of the hydrological impact of a reservoir network. A generalized release scheme was employed to determine the outflow of both large and small reservoirs. The integrated model was then evaluated against observations and reanalysis data, which indicate that the model can reasonably reconstruct the reservoir operation, streamflow, and other hydrological variables. Results quantitatively demonstrate that a reservoir network can result in an increased streamflow in dry seasons, a decreased streamflow in wet seasons, a generally larger groundwater discharge, higher groundwater level, a slightly damper soil condition, and a larger amount of evapotranspiration at the basin level. With the integrated model, it is feasible to achieve more sustainable watershed planning and management.

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Section: Discussionsupporting

confidence: 93%

Section: Methods and Datamentioning

confidence: 99%

Hydrological impact of a reservoir network in the upper Gan River Basin, China

Dong

Yang

et al. 2019

Hydrological Processes

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“…By integrating the reservoir module, the model is able to depict the interaction between the reservoir regulation and the subsequent hydrological processes. Firstly, the inflow and release difference due to reservoirs will change the surface water height in the two-dimensional diffusive wave equation and therefore alter the streamflow routing [35]. Secondly, the flux between reservoirs and groundwater will also affect the groundwater depth and the groundwater routing, which is realized by adding an additional source term to the two-dimensional Boussinesq equation.…”

Section: Module Integrationmentioning

confidence: 99%

“…Three indexes are employed for a quantitative evaluation of the downstream streamflow simulation with or without the reservoir module, namely the water balance index (WBI), the Pearson product-moment correlation coefficient (R), and the Nash-Sutcliffe coefficient of efficiency (NSE), for the evaluation of water balance, data correlation, and flood peak simulation, respectively [32,35]:…”

Section: Performance Indexesmentioning

confidence: 99%

CMADS-Driven Simulation and Analysis of Reservoir Impacts on the Streamflow with a Simple Statistical Approach

Dong

Yang

Meng

et al. 2019

Water

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The reservoir operation is a notable source of uncertainty in the natural streamflow and it should be represented in hydrological modelling to quantify the reservoir impact for more effective hydrological forecasting. While many researches focused on the effect of large reservoirs only, this study developed an online reservoir module where the small reservoirs were aggregated into one representative reservoir by employing a statistical approach. The module was then integrated into the coupled Noah Land Surface Model and Hydrologic Model System (Noah LSM-HMS) for a quantitative assessment of the impact of both large and small reservoirs on the streamflow in the upper Gan river basin, China. The Noah LSM-HMS was driven by the China Meteorological Assimilation Driving Datasets for the Soil and Water Assessment Tool (SWAT) model (CMADS) with a very good performance and a Nash-Sutcliffe coefficient of efficiency (NSE) of 0.89, which proved to be more effective than the reanalysis data from the National Centers for Environmental Prediction (NCEP) over China. The simulation results of the integrated model indicate that the proposed reservoir module can acceptably depict the temporal variation in the water storage of both large and small reservoirs. Simulation results indicate that streamflow is increased in dry seasons and decreased in wet seasons, and large and small reservoirs can have equally large effects on the streamflow. With the integration of the reservoir module, the performance of the original model is improved at a significant level of 5%.

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“…Such operations of FSAs are however far from obvious, especially when there are several FSAs that are considered simultaneously. An optimization problem can therefore be formulated, with FSAs operations as [24]) and representation of the study area.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Flood Storage Area Operations in Huai River Using 1D and 2D River Simulation Models Coupled with Global Optimization Algorithms

et al. 2019

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This article addresses the issue of flood management using four flood storage areas in the middle section of Huai River in China which protect the important downstream city of Bengbu. The same areas are also used by the local population as residential and agricultural zones. An optimization problem is therefore posed, with two objectives of simultaneously minimizing the downstream flood risk in Bengbu city and the storage areas’ economic damages. The methodology involved development of river flood models using HEC-RAS, with varying complexity, such as 1-dimensional (1D) model with storage areas represented as lumped conceptual reservoirs, and 2-dimensional (2D) models with detailed representation of the terrain, land-use and hydrodynamics in the storage areas. Experiments of coupling these models with global optimization algorithms (NSGA-II, PESA-II and SPEA-II) were performed (using the HEC-RAS Controller), in which the two objective functions were minimized, while using stage differences between the river and the storage areas as decision variables for controlling the opening/closing of the gates at the lateral structures that link the river with the storage areas. The comparative analysis of the results indicate that more refined optimal operational strategies that spread the damages across all storage areas can be obtained only with the detailed flood simulation models, regardless of the optimization algorithm used.

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Reservoir Operation with Feedback in a Coupled Land Surface and Hydrologic Model: A Case Study of the Huai River Basin, China

Cited by 18 publications

References 48 publications

Hydrological impact of a reservoir network in the upper Gan River Basin, China

Hydrological impact of a reservoir network in the upper Gan River Basin, China

CMADS-Driven Simulation and Analysis of Reservoir Impacts on the Streamflow with a Simple Statistical Approach

Analysis of Flood Storage Area Operations in Huai River Using 1D and 2D River Simulation Models Coupled with Global Optimization Algorithms

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