The Northeast Ocean Data Portal has released two new bathymetry map layers for the Gulf of Maine provided by the University of New Hampshire Joint Hydrographic Center/Center for Coastal and Ocean Mapping (UNH JHC/CCOM). Boston Harbor is a large harbor which constitutes the western extremity of Massachusetts Bay.The harbor is sheltered from Massachusetts Bay and the open Atlantic Ocean by a combination of the Winthrop Peninsula and Deer Island to the north, the hooked Nantasket Peninsula and Point Allerton to the south, and the harbor islands in the middle. The Corps has completed 50 navigation projects in Massachusetts. TOP: A report commissioned by Boston predicts that by 2030, sea levels in the city’s harbor will rise eight inches over the levels in 2000 and might climb … The center is part of the USGS Coastal/Marine Hazards and Resources Program, which is the primary federal marine geology and physical science research program. Bathymetric data are rendered on Benthic Mapper in two types of "aerial" displays: as a bathymetric contour map of the estuary floor (contour lines) and color-coded bathymetry (color bathymetry). Chart: 13270 Edition: 66 NTM: 4420 LNM: 4220 Edition: 66 NTM: 4420 LNM: 4220 Massachusetts is a state in the New England region of the northeastern United States. Professional cartographers are used in the creation of each … Sign up for our newsletter today to find out about special news and announcements, including fun programs, updates on our harbor policy work, upcoming events, volunteer opportunities, and more! This three dimensional map is carved from Baltic birch wood, framed and has a acrylic covering to protect the wood. Massachusetts. Both sidescan and multibeam swath systems make individual measurements for each square meter of water bottom ensonified by the acoustic beam. These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. In 2000 and 2001, NOAA targeted Boston Harbor, Extremely accurate bathymetric map of Boston Harbor, Massachusetts and surrounding area. Bathymetry (depth) from Boston Harbor and Massachusetts Bay into offshore waters of the Gulf of Maine. 40 Maritime Heritage any charges in the bathymetry, or bottom features, so that charts can be updated for safe navigation. Boston Harborwalk Map. Approximately 170 km² of sidescan sonar and bathymetric data were collected by the National Oceanic and Atmospheric Administration (NOAA) Ship Whiting in 2000 and 2001 and reprocessed and gridded by the Massachusetts Office of Coastal Zone Management (CZM) … The center's staff of 100 provides scientific information that contributes to decisions by other federal agencies, state and local entities, private organizations, industry, and the public about hazards, resource use Several large bays distinctly shape its roughly 1,500 miles of coastline that stretch from the New Hampshire border in the north, to the Rhode Island border of in the south. These projects have improved rivers, bays, coves, and harbors that are used by commercial interests and the many recreational boaters that benefit from the intricate and fascinating Massachusetts coastline.