We explicitly take into account the mutual feedback between supply and demand, and implement a newly developed water allocation scheme to distinguish surface water and groundwater use. Here, we couple a global water demand model with a global hydrological model and dynamically simulate daily water withdrawal and consumptive water use over the period 1979–2010, using two re-analysis products: ERA-Interim and MERRA. However, few models consider the interaction between terrestrial water fluxes, and human activities and associated water use, and even fewer models distinguish water use from surface water and groundwater resources. To analyze the human perturbation on water resources consistently over large scales, a number of macro-scale hydrological models (MHMs) have been developed in recent decades.
To sustain growing food demand and increasing standard of living, global water withdrawal and consumptive water use have been increasing rapidly. Go to documentation at For more information and definitions of terms, see the codebook.Abstract. Geographic Region generalized Data Requirements data provided by the user Source Code Availability limited Dimensions not available Computational Burden high Scenario Modeling unknown Coding Language GUI Operating System not applicable Mathematical Approach numerical, spatial analysis Maintenance Plan maintained Date of Last Known Update 11-Nov-19 User Manual Intended User practitioner Model Type watershed Inclusion of Climate Change If climate change conditions can be captured is unknown. Outputs Outputs specifics include water quality characteristics. Temporal Resolution The temporal resolution is unknown. Developer USACE Model Informationįor more information about this model, go to Spatial Resolution The spatial resolution is users specified and the grid size variable. The model framework includes site characterization, model development, and results post processing and visualization. Model processes include ocean circulation, wave transformation, sediment transport, contaminant transport, rural and urban flooding, and estuary interactions. Surface-water Modeling System (SMS) is a hydraulic model of coastal and riverine systems.
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