20220211 10185600 1.0 TRUE Groundwater_SLR Groundwater emergence and shoaling extents are derived from water table GeoTIFFs, which are calculated as steady-state groundwater model heads subtracted from high-resolution topographic Digital Elevation Model (DEM) land surface elevations. Results are provided as shapefiles of water table depth in specific depth ranges, with the following data coding in the "fbin_m" data column:-1 = marine inundation (below marine boundary condition (LMSL or MHHW) sea level)0 = water table at or above ground surface (emergent groundwater)1 = water table between 0-1 m depth (very shallow)2 = 1-2 m depth (shallow)5 = 2-5 m depth (moderate)6 = > 5 m depth (deep)Model results are aggregated by County, with separate County files for model results using the Local Mean Sea Level (LMSL) and Mean Higher-High Water (MHHW) marine boundary conditions. Each zipped County datafile (County_MHHW or County_LMSL) contains 6 folders: 3 containing full model results for each of the three horizontal hydraulic conductivities (Kh) used in the model (0.1, 1.0 and 10 m/d), and 3 containing "linear" results for each of the 3 Kh's, where sea level rise is added directly to the full model present-day (SLR 0m) water table. Each full model Kh folder contains depth-to-groundwater shapefiles for all twelve of the sea level rise scenarios (0 - 2m in 0.25m increments, 2.5m, 3m, and 5m), while linear Kh folders contain depth-to-groundwater shapefiles only for the 11 non-zero SLR cases, because the linear SLR 0m case is identical to the full model SLR 0m case. sea level rise groundwater flow floods climate change SLR DEA DEA GIS Library The layers found under this service are within the Climate Change tab on the DEA Environmental GIS Library. Click on individual services to see detailed metadata. U.S. Geological Survey; Befus, K.M., Hoover, D.J., Barnard, P.L., and Erikson, L.H., 2020, Projected responses of the coastal water table for California using present-day and future sea-level rise scenarios: U.S. Geological Survey data release, https://doi.org/10.5066/P9H5PBXP. USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey and the University of Wyoming as the originators of the dataset and in products derived from these data. 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