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#1 Federal

U.S. Geological Survey East Coast Sediment Texture Database (2014, ECSTDB2014.SHP)

Organization: Department of the Interior
Dataset Last Updated: November 16, 2021 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 150 | Catalog Last Checked: May 05, 2026 at 08:32 PM

#2 Federal

U.S. Geological Survey East Coast Sediment Texture Database (ECSTDB2011.SHP, 2011)

Organization: Department of the Interior
Dataset Last Updated: November 16, 2021 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 36 | Catalog Last Checked: May 05, 2026 at 08:43 PM

#3 Federal

Elevation of marsh units in Massachusetts salt marshes

Organization: Department of the Interior
Dataset Last Updated: April 13, 2026 at 12:00 AM

This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management. Metrics for resiliency,...

xml
xml

Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 14, 2026 at 06:50 PM

#4 Federal

Location of bottom still imagery along with images collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (JPEG images, point shapefile, and CSV file)

Organization: Department of the Interior
Dataset Last Updated: July 12, 2024 at 12:00 AM

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....

xml
xml

Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 07:57 PM

#5 Federal

Text files of the navigation logged with HYPACK Software during surveys 06012 and 07001 conducted by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_HYPACK_NAV)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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,...

xml
xml

Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 09:16 PM

#6 Federal

Mean tidal range in marsh units of Cape Cod National Seashore salt marsh complex, Massachusetts

Organization: Department of the Interior
Dataset Last Updated: April 20, 2026 at 12:00 AM

Biomass production is positively correlated with mean tidal range in salt marshes along the Atlantic coast of the United States of America. Recent studies support the idea that enhanced...

xml
xml

Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 14, 2026 at 06:57 PM

#7 Federal

ECSTDB2005 - U.S. Geological Survey East Coast Sediment Texture Database (2005)

Organization: Department of the Interior
Dataset Last Updated: June 28, 2023 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 10:08 PM

#8 Federal

30-m Topography and bathymetry grid produced from swath interferometric, multibeam, and lidar datasets (navd_bath_30m Esri binary grid, UTM Zone 19N, WGS84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:23 PM

#9 Federal

Sediment Texture Units of the Sea Floor from Nahant to Northern Cape Cod Bay, Massachusetts (NAH_CCB_sedcover polygon shapefile, Geographic, WGS84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 10:06 PM

#10 Federal

Isochron of Holocene fluvial and estuarine (Qfe) sediment thickness beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qfeiso Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:06 PM

#11 Federal

Location and analysis of sediment samples collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (point shapefile and CSV file)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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....

xml
xml

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:12 PM

#12 Federal

Bathymetric data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_bathy5m, Esri binary grid, UTM Zone 19, WGS84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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,...

xml
xml

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:13 PM

#13 Federal

Estuarine Salinity Zones in US East Coast, Gulf of Mexico, and US West Coast from 1999-01-01 to 1999-12-31 (NCEI Accession 0127396)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: April 22, 2015 at 12:00 AM

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 29, 2026 at 06:58 PM

#14 Federal

U.S. Geological Survey Oceanographic Time-Series Data Collection of measurements of current velocity, temperature, pressure and other data made in U.S. coastal waters between 1975 and present

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 15, 2021 at 12:00 AM

This collection includes time-series oceanographic data collected by U.S. Geological Survey investigators and collaborators as part of experiments to study circulation and sediment transport in...

Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 29, 2026 at 11:04 PM

#15 Federal

Unvegetated to vegetated ratio of marsh units in Massachusetts salt marshes

Organization: Department of the Interior
Dataset Last Updated: April 13, 2026 at 12:00 AM

This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management. Metrics for resiliency,...

xml
xml

Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 14, 2026 at 06:36 PM

#16 Federal

Physiographic Zones of the Sea Floor from Nahant to Northern Cape Cod Bay, Massachusetts (NAH_CCB_Pzones polygon shapefile, Geographic WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 07:29 PM

#17 Federal

Location of bottom video tracklines collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (polyline shapefile)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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....

xml
xml

Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 09:07 PM

#18 Federal

Survey lines along which interferometric and multibeam bathymetric sonar data were collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_BathyTrackline shapefile, Geographic, WGS84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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,...

xml
xml

Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 09:30 PM

#19 Federal

Isochron of Holocene marine (Qmn and Qmd) sediment thickness on the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qmiso Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 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...

xml
xml

Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 07:53 PM

#20 Federal

JPEG formatted images of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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,...

xml
xml

Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 10:16 PM

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U.S. Geological Survey East Coast Sediment Texture Database (2014, ECSTDB2014.SHP)

U.S. Geological Survey East Coast Sediment Texture Database (ECSTDB2011.SHP, 2011)

Elevation of marsh units in Massachusetts salt marshes

Location of bottom still imagery along with images collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (JPEG images, point shapefile, and CSV file)

Text files of the navigation logged with HYPACK Software during surveys 06012 and 07001 conducted by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_HYPACK_NAV)

Mean tidal range in marsh units of Cape Cod National Seashore salt marsh complex, Massachusetts

ECSTDB2005 - U.S. Geological Survey East Coast Sediment Texture Database (2005)

30-m Topography and bathymetry grid produced from swath interferometric, multibeam, and lidar datasets (navd_bath_30m Esri binary grid, UTM Zone 19N, WGS84)

Sediment Texture Units of the Sea Floor from Nahant to Northern Cape Cod Bay, Massachusetts (NAH_CCB_sedcover polygon shapefile, Geographic, WGS84)

Isochron of Holocene fluvial and estuarine (Qfe) sediment thickness beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qfeiso Esri binary grid; UTM, Zone 19N, WGS 84)

Location and analysis of sediment samples collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (point shapefile and CSV file)

Bathymetric data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_bathy5m, Esri binary grid, UTM Zone 19, WGS84)

Estuarine Salinity Zones in US East Coast, Gulf of Mexico, and US West Coast from 1999-01-01 to 1999-12-31 (NCEI Accession 0127396)

U.S. Geological Survey Oceanographic Time-Series Data Collection of measurements of current velocity, temperature, pressure and other data made in U.S. coastal waters between 1975 and present

Unvegetated to vegetated ratio of marsh units in Massachusetts salt marshes

Physiographic Zones of the Sea Floor from Nahant to Northern Cape Cod Bay, Massachusetts (NAH_CCB_Pzones polygon shapefile, Geographic WGS 84)

Location of bottom video tracklines collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (polyline shapefile)

Survey lines along which interferometric and multibeam bathymetric sonar data were collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_BathyTrackline shapefile, Geographic, WGS84)

Isochron of Holocene marine (Qmn and Qmd) sediment thickness on the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qmiso Esri binary grid; UTM, Zone 19N, WGS 84)

JPEG formatted images of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)