1,560 datasets found
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Federal
Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2016, raster format, in feet
Department of the Interior —
A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical... -
Federal
NOAA/WDS Paleoclimatology - Stahle - Mount Olive Group - JUVI - ITRDB AR003
National Oceanic and Atmospheric Administration, Department of Commerce —
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for... -
Federal
EnviroAtlas - 2011 Land Cover, Impervious Surface, and Riparian Land Cover Proportions by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents land cover across a watershed and in riparian areas for each 12-digit hydrologic unit code (HUC) in the conterminous United States... -
Federal
NOAA/WDS Paleoclimatology - Stevenson - Caddo Gap - PIEC - ITRDB AR076
National Oceanic and Atmospheric Administration, Department of Commerce —
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Housing Unit and Population Density
U.S. Environmental Protection Agency —
This dataset represents the population and housing unit density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the... -
Federal
2006 PM-2.5 Nonattainment Areas
U.S. Environmental Protection Agency —
This data layer identifies areas in the U.S. where air pollution levels have not met the National Ambient Air Quality Standards (NAAQS) for 2006 PM-2.5 standards.... -
Federal
Magnetotelluric data from Missouri, Arkansas, Tennessee, Illinois, and Kentucky, 2016-2019, station mrv013
Department of the Interior —
This dataset consists of 127 wideband and 21 long-period magnetotelluric (MT) stations collected from 2016-2019 across parts of Missouri, Arkansas, Tennessee,... -
Federal
TIGER/Line Shapefile, 2021, State, Arkansas, Census Tracts
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
Magnetotelluric data from Missouri, Arkansas, Tennessee, Illinois, and Kentucky, 2016-2019, station sfm006
Department of the Interior —
This dataset consists of 127 wideband and 21 long-period magnetotelluric (MT) stations collected from 2016-2019 across parts of Missouri, Arkansas, Tennessee,... -
Federal
Self-potential and electric resistivity tomography data pertaining to groundwater flow for thermal springs, Hot Springs National Park, Arkansas, February 2023–January 2024
Department of the Interior —
This data release contains self-potential (SP) map data, two-dimensional electrical resistivity tomography (ERT) data, and time-lapse SP-monitoring data measured... -
Federal
Magnetotelluric data from Missouri, Arkansas, Tennessee, Illinois, and Kentucky, 2016-2019, station sfm019
Department of the Interior —
This dataset consists of 127 wideband and 21 long-period magnetotelluric (MT) stations collected from 2016-2019 across parts of Missouri, Arkansas, Tennessee,... -
Federal
Basin Characteristics and Climate Data Used in Random Forest Models to Determine Hydrologic Alteration in the Mississippi Alluvial Plain
Department of the Interior —
To identify the degree of hydrologic alteration of streams in the Mississippi Alluvial Plain (MAP), we used random forest (RF) regression methods (Breiman, 2001) to... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Canal Density
U.S. Environmental Protection Agency —
This dataset represents canal density within individual, local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in LakeCat are... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Nonnative LANDFIRE Vegetation
U.S. Environmental Protection Agency —
This dataset represents the average height of the dominant vegetation for a 30-m grid cell within individual local and accumulated upstream catchments for NHDPlusV2... -
Federal
Data and code from: Extending irrigation reservoir histories for improved groundwater modeling and conjunctive water management in two Arkansas critical groundwater areas
Department of Agriculture —
This dataset contains all data and code required to reproduce the time-to-event analysis in the associated manuscript. More detail is found in the associated... -
Federal
Magnetotelluric data from Missouri, Arkansas, Tennessee, Illinois, and Kentucky, 2016-2019, station mrv012
Department of the Interior —
This dataset consists of 127 wideband and 21 long-period magnetotelluric (MT) stations collected from 2016-2019 across parts of Missouri, Arkansas, Tennessee,... -
Federal
Digital Geologic-GIS Map of the Cozahome Quadrangle, Arkansas (NPS, GRD, GRI, BUFF, COZA digital map) adapted from a Arkansas Geological Survey Digital Geologic Quadrangle Map by Ausbrooks, Johnson, Nondorf and Traywick (2012)
Department of the Interior —
The Digital Geologic-GIS Map of the Cozahome Quadrangle, Arkansas is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS... -
Federal
TIGER/Line Shapefile, 2020, State, Arkansas, Voting Districts
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
US EPA Nonattainment Areas and Designations-8 Hour Ozone (2015 NAAQS) - Web Service Layer
U.S. Environmental Protection Agency —
This web service layer, Ozone 8-hr (2015 standard), displays identified state level areas where ground-level ozone have not met the National Ambient Air Quality... -
Federal
2022 Cartographic Boundary File (SHP), Current County Subdivision for Arkansas, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2022 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /...
1,560 datasets found