The Massachusetts Office of Coastal Zone Management (CZM), through its Seafloor and Habitat Mapping Program, collects data and develops maps showing the distribution and diversity of seafloor habitats. This page provides links to other seafloor mapping programs in the Northeast.
- Geologic Mapping of the Seafloor Offshore of Massachusetts - This U.S. Geological Survey (USGS) website provides a map of areas in Massachusetts that have been mapped using sonar. This site also describes the CZM/USGS collaborative efforts beginning in 2003 and serves the data and reports from those projects.
- Center for Coastal and Ocean Mapping Joint Hydrographic Center - This formal cooperative partnership between the University of New Hampshire and the National Oceanic and Atmospheric Administration (NOAA) uses sonar (from vessels or autonomous underwater vehicles) and LIDAR (Light Detection and Ranging) to characterize the seafloor.
- The Northwest Atlantic Marine Ecoregional Assessment - This website hosted by The Nature Conservancy includes interactive maps that depict the relationship between seafloor sediment, sediment-dwelling organisms, and seafloor features in the northeastern United States and Canada. The site also provides data downloads.
- University of New Brunswick Ocean Mapping Group - This website provides a range of information on sonar mapping of seafloor geology in Canada and Maine.
- Woods Hole Oceanographic Institution Habitat Mapping Camera System (HabCam) - This website shows seafloor images taken by towed video sled. Images from Georges Bank, Great South Channel, Cape Cod Bay, Jeffries Ledge, and the Mid-Atlantic Bight can be viewed. Google Earth KML and KMZ files providing the locations of these images and oceanographic cruise routes can be downloaded.
- Northeast Ocean Data - This website provides access to interactive maps, data, tools, and information on human and natural dimensions of the ocean areas of the Northeast United States. It builds on existing efforts in the region and provides additional capacity for both state- and regional-level ocean planning.
- Massachusetts Seafloor Mapping Blog - This blog, which is managed by the Massachusetts Division of Marine Fisheries (MarineFisheries), summarizes their efforts to map fisheries habitats using divers with underwater cameras and video; an underwater, remotely operated vehicle; sidescan sonar; and sediment grabs.
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