Found 5038 datasets matching "national model".
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The U.S. National Seismic Hazard Model (NSHM) for the state of Alaska was updated in 2023 as part of the 50-state NSHM update. The new model incorporates more than 15 years of additional science...
Search relevance: 96.30 | Views last month: 0 -
This is a spatially-explicit state-and-transition simulation model of buffelgrass dynamics in Saguaro National Park. Buffelgrass is an invasive grass spreading in the park. The model represents...
Search relevance: 88.01 | Views last month: 2 -
Seismicity catalogs, gridded seismic hazard curve data, gridded ground motion data, and mapped gridded ground motion values are available for the 1996 National Seismic Hazard Model for the...
Search relevance: 87.74 | Views last month: 2 -
Seismicity catalogs, gridded seismic hazard curve data, gridded ground motion data, and mapped gridded ground motion values are available for the 2002 National Seismic Hazard Model for the...
Search relevance: 87.73 | Views last month: 1 -
Seismicity catalogs, GIS shapefiles, gridded seismic hazard curve data, gridded ground motion data, and mapped gridded ground motion values are available for the 2014 National Seismic Hazard Model...
Search relevance: 87.18 | Views last month: 8 -
Peak ground velocity (PGV) gridded probabilistic seismic hazard data for the updated 2018 National Seismic Hazard Model (NSHM) for the Conterminous United States (CONUS). PGV hazard curves and...
Search relevance: 85.43 | Views last month: 3 -
Seismic hazard assessments depend on an accurate prediction of ground motion, which in turn depends on a base knowledge of three-dimensional variations in density, seismic velocity, and...
Search relevance: 84.21 | Views last month: 6 -
Seismicity catalogs, gridded seismic hazard curve data, gridded ground motion data, and mapped gridded ground motion values are available for the 2008 National Seismic Hazard Model for the...
Search relevance: 84.12 | Views last month: 0 -
The U.S. Geological Survey National Crustal Model (NCM) is being developed to include spatially varying estimates of site response in seismic hazard assessments. Primary outputs of the NCM are...
Search relevance: 83.38 | Views last month: 0 -
We present a numeric grid containing estimates of the depth to the pre-Cenozoic basement for the western United States. Values for these grids were combined and integrated from previous studies or...
Search relevance: 82.45 | Views last month: 1 -
We present a numeric grid containing estimates of the thickness of unconsolidated sediments for the western United States. Values for these grids were combined and integrated from previous studies...
Search relevance: 81.10 | Views last month: 0 -
A three-dimensional, variable-density solute-transport model (SUTRA) was developed to evaluate the effects of three selected withdrawal/injection scenarios on salinity of groundwater (as...
Search relevance: 80.65 | Views last month: 0 -
A GFLOW model was constructed of the Park Falls Unit as part of a larger study of the Chequamegon-Nicolet National Forest. The model supports the goals of the project by providing improved...
Search relevance: 80.06 | Views last month: 0 -
The model simulates two-dimensional groundwater flow and base flow in streams in the Washburn Unit of the Chequamegon-Nicolet National Forest using the analytic element program GFLOW (Haitjema,...
Search relevance: 79.17 | Views last month: 0 -
The model simulates two-dimensional groundwater flow and base flow in streams in the Medford Unit of the Chequamegon-Nicolet National Forest using the analytic element program GFLOW (Haitjema,...
Search relevance: 78.54 | Views last month: 0 -
The model simulates two-dimensional groundwater flow and base flow in streams in the northern Nicolet Unit of the Chequamegon-Nicolet National Forest using the analytic element program GFLOW...
Search relevance: 78.06 | Views last month: 0 -
We present a petrologic and mineral physics database as part of the USGS National Crustal Model (NCM) for the western United States. Each of 209 geologic units, 134 of which are currently part of...
Search relevance: 77.98 | Views last month: 1 -
The model simulates two-dimensional groundwater flow and base flow in streams in the southern Nicolet Unit of the Chequamegon-Nicolet National Forest using the analytic element program GFLOW...
Search relevance: 77.19 | Views last month: 0 -
A three-dimensional (3D) geologic framework of the conterminous United States is presented here as part of the U.S. Geological Survey National Crustal Model for Seismic Hazard Studies. The...
Search relevance: 76.90 | Views last month: 0 -
A research model (RM) was prepared, which incorporates declustered rate grids that are scaled to account for the total number of earthquakes in the full catalog (with no declustering) using...
Search relevance: 76.58 | Views last month: 0
