Found 468 datasets matching filters.
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The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of the built environment that...
Search relevance: 1.00 | Views last month: 180 | Catalog Last Checked: May 06, 2026 at 12:31 AM -
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic Continental Margin of the...
Search relevance: 1.00 | Views last month: 150 | Catalog Last Checked: May 05, 2026 at 08:32 PM -
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 Standards (NAAQS) established in...
Search relevance: 1.00 | Views last month: 114 | Catalog Last Checked: May 06, 2026 at 12:32 AM -
The NOAA National Estuarine Research Reserve (NERR) System-wide Monitoring Program (SWMP) collects meteorological, water quality, and nutrient/pigment data on an ongoing basis. Meteorological...
Search relevance: 1.00 | Views last month: 50 | Catalog Last Checked: May 06, 2026 at 06:48 AM -
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic Continental Margin of the...
Search relevance: 1.00 | Views last month: 36 | Catalog Last Checked: May 05, 2026 at 08:43 PM -
This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer applications and from manure...
Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: May 05, 2026 at 08:09 PM -
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This web service includes layers depicting EnviroAtlas...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 06, 2026 at 12:11 AM -
The NCCOS Regional Ecological Assessments (REA) and NOAA National Benthic Inventory (NBI) include observations of water quality, sediment quality, fish and shellfish tissue chemical contaminants,...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: May 06, 2026 at 02:27 AM -
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public under a Creative Commons...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: May 06, 2026 at 12:33 AM -
Geologic structure and isopach maps were constructed by interpreting over 19,890 trackline kilometers of co-located multichannel boomer, sparker and chirp seismic reflection profiles from the...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: May 05, 2026 at 07:50 PM -
This study was based on the sediment quality triad (SQT) approach. A stratified probabilistic sampling design was utilized to characterize the Chesapeake Bay system in terms of chemical...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: May 10, 2026 at 03:26 AM -
These data are a collection of benthic habitat data from studies conducted in the Catlett and Goodwin Islands on the York River in Chesapeake Bay, Virginia in GIS shapefile (.shp, .dbf, .shx, and...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: May 06, 2026 at 01:17 AM -
Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes summed from nine tributaries to the Chesapeake Bay from 1985 to 2024. Data are presented as the sum from...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 10:19 PM -
The Chesapeake Bay Estuary is the largest estuary in the United States and provides habitats for diverse wildlife and aquatic species, protects communities against flooding, reduces pollution to...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:29 PM -
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic Continental Margin of the...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 10:08 PM -
U. S. Geological Survey (USGS) scientists completed a data collection campaign from the 26th of July to the 13th of August in 2021, using various methods to record geomorphic and habitat...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:33 PM -
Implementation of conservation tillage and cover crops in the Chesapeake Bay watershed, 1985 to 2012
Conservation tillage practices and cover crops are used throughout the Chesapeake Bay watershed to reduce soil loss and improve water quality. Implementation of these Best Management Practices...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 09:24 PM -
This metadata record documents 3 sets of comma delimited tables representing the amount of reported best management practice (BMP) implementation within the Chesapeake Bay watershed as well as...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:54 PM -
The sea surface temperature (SST) products were derived from NOAA's Polar-orbiting Operational Environmental Satellites (POES) for the coastal United States and created by NOAA CoastWatch Program....
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 06, 2026 at 06:41 AM -
This dataset contains sample collection location information for the National Status and Trends, Bioeffects Assessment Project. The Bioeffects Assessment Sites data files report information...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 10, 2026 at 03:32 AM
