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Monthly Water Balance Model Hydrology Futures

October 2, 2018

The monthly water balance model (MWBM) was driven with precipitation and temperature for current and future conditions using the GMO/GSD dataset (Maurer, E.P., A.W. Wood, J.C. Adam, D.P. Lettenmaier, and B. Nijssen, 2002. A Long-Term Hydrologically-Based Data Set of Land Surface Fluxes and States for the Conterminous United States, Journal of Climatology 15) and selected general circulation models (GCMs) from the monthly time-step bias-corrected spatially disaggregated (BCSD) projections, based on the World Climate Research Programme's (WCRP's) Coupled Model Intercomparison Project phase 3 (CMIP3) multi-model dataset, and the Coupled Intercomparison Project phase 5 (CMIP5) multi-model ensemble (Reclamation, 2013, Downscaled CMIP3 and CMIP5 Climate and Hydrology Projections: Release of Downscaled CMIP5 Climate Projections, Comparison with preceding Information, and Summary of User Needs', prepared by the U.S. Department of the Interior, Bureau of Reclamation, Technical Services Center, Denver, Colorado. 47pp.). Five different outputs (actual evapotranspiration (AET), potential evapotranspiration (PET), runoff/streamflow (RO/STRM), soil moisture storage (SOIL), and snow water equivalent (SWE)) and two model inputs (atmospheric temperature (TAVE), precipitation (PPT)) were summarized for each hydrologic response unit and stream segment/point of interest of the Geospatial Fabric for National Hydrologic Modeling (https://www.sciencebase.gov/catalog/item/535eda80e4b08e65d60fc834).

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