[AHW31-03] Simulating Two-Way Feedbacks between Surface-Water and Groundwater Management with the Surface Water Operations Process
Keywords:Reservoir Operations, Conjunctive Use Managment, Numerical Modeling of Hydrological Processes, Reservoir, Streamflow, Groundwater Linkage, Groundwater-Surface water modeling
It is well established that groundwater pumping affects surface-water supplies by reducing groundwater discharge to streams or increasing seepage losses from stream channels. Conversely, surface-water management can affect groundwater supplies and use by altering the timing, location, and quantity of groundwater recharge and demand. Understanding these interactions between groundwater and surface-water supplies, management, and use is critical to conjunctive water management, flood protection, environmental requirements, and Flood-Managed Aquifer Recharge (FloodMAR). However, the majority modeling approaches used in water resources planning and management, focus on either the physical system (hydrologic processes) or the managed system (water operations), with simplified treatment of the other.
The Surface Water Operations Process (SWO) was developed by the US Geological Survey and the US Bureau of Reclamation to allow fully-coupled simulation of surface-water operations within MODFLOW One-Water Hydrologic Flow Model1 (MF-OWHM). MF-OWHM is a MODFLOW-based conjunctive use simulation software that simulates groundwater flow, stream flow, and landscape usage and water demand. The first version of MF-OWHM2 was selected by the World Bank Water Resource Software Review3 as one of three recommended simulation programs for conjunctive use and management modeling. This presentation introduces the key features of SWO and a synthetic example problem that illustrates how MF-OWHM can be used for FloodMAR, an environmental flow requirement, reservoir deliveries for agricultural demand.
1Boyce, S.E., Hanson, R.T., Ferguson, I., Schmid, W., Henson, W., Reimann, T., Mehl, S.M., and Earll, M.M., 2020, One-Water Hydrologic Flow Model: A MODFLOW Based Conjunctive Use and Integrated Hydrologic Flow Model: U.S. Geological Survey Techniques and Methods 6-A60, 576 p
2Hanson, R.T., Boyce, S.E., Schmid, Wolfgang, Hughes, J.D., Mehl, S.M., Leake, S.A., Maddock, Thomas, III, and Niswonger, R.G., 2014, One-Water Hydrologic Flow Model (MODFLOW-OWHM): U.S. Geological Survey Techniques and Methods 6-A51, 120 p., https://dx.doi.org/10.3133/tm6A51.
3Borden, John Carter; Gaur, Anju; Singh, Chabungbam Rajagopal, 2016, Water resource software: application overview and review. Washington, D.C.: World Bank Group.
The Surface Water Operations Process (SWO) was developed by the US Geological Survey and the US Bureau of Reclamation to allow fully-coupled simulation of surface-water operations within MODFLOW One-Water Hydrologic Flow Model1 (MF-OWHM). MF-OWHM is a MODFLOW-based conjunctive use simulation software that simulates groundwater flow, stream flow, and landscape usage and water demand. The first version of MF-OWHM2 was selected by the World Bank Water Resource Software Review3 as one of three recommended simulation programs for conjunctive use and management modeling. This presentation introduces the key features of SWO and a synthetic example problem that illustrates how MF-OWHM can be used for FloodMAR, an environmental flow requirement, reservoir deliveries for agricultural demand.
1Boyce, S.E., Hanson, R.T., Ferguson, I., Schmid, W., Henson, W., Reimann, T., Mehl, S.M., and Earll, M.M., 2020, One-Water Hydrologic Flow Model: A MODFLOW Based Conjunctive Use and Integrated Hydrologic Flow Model: U.S. Geological Survey Techniques and Methods 6-A60, 576 p
2Hanson, R.T., Boyce, S.E., Schmid, Wolfgang, Hughes, J.D., Mehl, S.M., Leake, S.A., Maddock, Thomas, III, and Niswonger, R.G., 2014, One-Water Hydrologic Flow Model (MODFLOW-OWHM): U.S. Geological Survey Techniques and Methods 6-A51, 120 p., https://dx.doi.org/10.3133/tm6A51.
3Borden, John Carter; Gaur, Anju; Singh, Chabungbam Rajagopal, 2016, Water resource software: application overview and review. Washington, D.C.: World Bank Group.