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28 Titles Match Your Query
Showing 1 through 28 of 28
1. Backscatter Imagery from Sidescan Sonar 5 meter/pixel of Boston Harbor and Approaches - CZM_moris_bh_5mbs_raster [CZM_moris_bh_5mbs_raster]
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km� of sidescan sonar data were collected ...


2. Long-Term Oceanographic Observations in Massachusetts Bay, 1989-2006 - USGS_WHSC_MassBay_89-06 [USGS_WHSC_MassBay_89-06]
This data report presents long-term oceanographic observations made in western Massachusetts Bay at long-term site LT-A (42° 22.6' N., 70&° 47.0' W.; nominal water depth 32 meters) from December 1989 ...


3. Backscatter Imagery from Sidescan Sonar 1 meter/pixel of Boston Harbor and Approaches [CZM_moris_bh_1mbs_raster]
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar data were collected ...


4. Backscatter Imagery from Sidescan Sonar 5 meter/pixel of Boston Harbor and Approaches [CZM_raster_bh_5mbs_raster]
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar data were collected ...


5. Bathymetry in fathoms for Massachusetts and adjacent coastal waters (as polygons) [CZM_moris_bathy_fathoms_poly]
These GIS data represent a mosaic bathymetric datasets off waters of the coast of Massachusetts derived from the most current and accurate sources. Data sources include USGS Open File Reports, NOAA ...


6. Composite Bathymetry Boundaries from Boston Harbor and Approaches [CZM_moris_compositebathybnds_poly]
This data is the boundary polygon for the high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar ...


7. Defined Map Units of the seafloor of Boston Harbor and Approaches [CZM_moris_bottomtype_poly]
This data is a qualitatively-derived interpretative polygon shapefile defining the bottom types of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of ...


8. Hillshade of Composite Bathymetry 30 meter/pixel of Boston Harbor and Approaches [CZM_moris_bh_30mhs_raster]
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 were ...


9. Hillshade of Multibeam Bathymetry 2 meter/pixel of Boston Harbor and Approaches [CZM_moris_bh_2mmbhs_raster]
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 were ...


10. Long-Term Oceanographic Observations in Massachusetts Bay, 1989-2006 [MassBay_LongTerm]
This data report presents long-term oceanographic observations made in western Massachusetts Bay at long-term site LT-A (42° 22.6' N., 70° 47.0' W.; nominal water depth 32 meters) from December 1989 ...


11. Massachusetts Bay Circulation and Effluent Modeling [USGS_MASSBAY]
Understanding the circulation of water in Massachusetts and Cape Cod Bays is of critical importance for determining how nutrients, sediment, contaminants and other water-borne materials are transported. ...


12. Massachusetts Bay Closure Lines [CZM_moris_bay_closure_lines_arc]
These GIS data show the 'Bay Closure Lines' that constitute a part of the legal boundary between Commonwealth and Federal waters. These lines extend seaward of the typical three nautical mile boundary ...


13. Massachusetts Division of Marine Fisheries SED Dataset 2_17_11 [gov.noaa.ngdc.mgg.geology.G10164]   PARENT METADATA
This GIS data layer represents point coverage of seafloor sediment size and composition in Massachusetts territorial waters. The data were created by aggregating available sediment point data collected ...


14. Multibeam Bathymetry 2 meter/pixel of Boston Harbor and Approaches [CZM_moris_bh_2mmbbath_raster]
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 were ...


15. Multibeam Bathymetry Boundaries from Boston Harbor and Approaches [CZM_moris_multibeambathybnds_poly]
This data is the boundary polygon for the high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar ...


16. Neptune LNG LLC proposed lateral natural gas pipeline and deep water port, Massachusetts Bay, Massachusetts, 2006 [CZM_moris_neptune_lng_arc]
This GIS data layer shows the location of the proposed Neptune LNG LLC (Suez Energy North America) pipeline lateral and deepwater port. This proposed project is located in federal waters of Massachusetts ...


17. PhysZones- Nahant to Gloucester, Physiographic Zones [CZM_moris_phsio_zones_poly]
These data physiographically characterize the seafloor between Nahant and Gloucester Massachusetts from high-resolution geophysical surveys of the seafloor . Approximately 127 km² of the inner shelf ...


18. PhysZonesInshore- Nahant to Gloucester, Interpreted Physiographic Zones (inshore) [CZM_moris_physio_zones_inshore_poly]
These data physiographically characterize the seafloor between Nahant and Gloucester Massachusetts from NOAA Nautical Charts and air photos. The inshore region is not covered by the high-resolution ...


19. Points popular for underwater recreational diving in coastal Massachusetts compiled from the Massachusetts Board of Underwater Archeological Resources, dive clubs, and commercial diving outfitters, 2007 [CZM_moris_dive_sites_pt]
This GIS datalayer shows popular dive sites for recreational SCUBA divers including reefs, wrecks, and jetties and breakwaters off the coast of Massachusetts. The data were compiled from the Massachusetts ...


20. Surficial sediment data from USGS Field Activity 04019 [CZM_moris_sedgrabs_pt]
This data set includes the locations, identifiers, grain-size data and(or) textural descriptions of surficial sediments collected at stations based on topographic and backscatter data of the seafloor ...


21. Survey Lines of the Sidescan Sonar System of Boston Harbor and Approaches [CZM_moris_surveylines_sss_arc]
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 sidescan ...


22. Tidal currents greater than 3 knots in Massachusetts waters derived from National Oceanic and Atmospheric Administration (NOAA) tidal current tables, 2006 [CZM_moris_tidal_currents_gt_3knots_pt]
This GIS tidal datalayer contains National Oceanic and Atmospheric Administration (NOAA) tidal information for those areas with tidal current speeds greater than 3 knots in Massachusetts waters. The ...


23. bathy.shp: Digital vector bathymetric/topographic contours of the sea floor in the Stellwagen Bank National Marine Sanctuary region. [CZM_moris_bathy_arc]
This data set contains the sea floor topographic contours generated from a multibeam sonar survey of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts, an area of approximately ...


24. bedrock_depth - Nahant to Gloucester, Depth to Bedrock [CZM_moris_bedrock_depth_raster]
These data are high-resolution seismic reflection profile data of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 1,175 kms of seismic reflection profile data were ...


25. mlclass5 - Nahant to Gloucester, Maximum Likelihood Bottom Classification [CZM_moris_mlclass5_raster]
These data are high-resolution maximum likelihood classification of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf were mapped in the nearshore ...


26. se_5mbath - Nahant to Gloucester, Swath Bathymetry of the South Essex Survey Area [CZM_moris_se_5mbath_raster]
These data are high-resolution bathymetric soundings of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf were mapped in the nearshore region ...


27. se_5mbathhs-Nahant to Gloucester, Hillshaded bathymetry of the South Essex Survey Area [CZM_moris_se_5mbathhs1_raster]
These data are high-resolution bathymetric soundings of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf were mapped in the nearshore region ...


28. ss_mos1m.tif- Nahant to Gloucester, 1m resolution Sidescan Sonar Mosaic [CZM_moris_ss_mos1m_raster]
These data are high-resolution acoustic backscatter measurements of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf were mapped in the nearshore ...


Showing 1 through 28 of 28
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