Found 299 datasets matching filters. (clear all filters)
-
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 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 data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management. Metrics for resiliency,...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 14, 2026 at 06:50 PM -
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 -
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea EM 1000 Multibeam Echo Sounder...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: May 05, 2026 at 09:40 PM -
Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 09:01 PM -
This study was based on the sediment quality triad (SQT) approach. The purpose was to define the extent and magnitude of contamination and biological effects associated with contaminants in the...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 10, 2026 at 03:27 AM -
These data are the trackline from the high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 09:34 PM -
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 09:16 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 -
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:23 PM -
This feature class contains internal wave packets digitized from SAR imagery at 1:350,000 scale in Massachusetts Bay. Internal waves are nonsinusoidal waves that occur at the interface between...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 10, 2026 at 03:34 AM -
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 10:06 PM -
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:06 PM -
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:13 PM -
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar and bathymetric data...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:47 PM -
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar and bathymetric data...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:18 PM -
Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due to natural or human effects....
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:54 PM -
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea EM 1000 Multibeam Echo Sounder...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:31 PM -
These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of the contiguous United States....
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 06, 2026 at 01:43 AM
