7 datasets found
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Federal
Portland, Maine 1/3 arc-second MHW Coastal Digital Elevation Model
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated... -
Federal
NOAA NCCOS: New England Red Tide Research
National Oceanic and Atmospheric Administration, Department of Commerce —
Alexandrium blooms are one of several algal bloom types often called "red tides," but more correctly referred to as Harmful Algal Blooms (HABs). Alexandrium produces... -
Federal
F00553: NOS Hydrographic Survey , Portsmouth, New Hampshire, 2008-05-29
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Shoreline Mapping Program of Portsmouth, NH, NH1701-CS-N NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data provide an accurate high-resolution shoreline compiled from imagery of Portsmouth, NH . This vector shoreline data is based on an office interpretation of... -
Federal
Shoreline Data Rescue Project of Portsmouth, New Hampshire, NH2C01 NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data were automated to provide an accurate high-resolution historical shoreline of Portsmouth, New Hampshire suitable as a geographic information system (GIS)... -
Federal
Coastal Mapping Program of Portsmouth, NH, NH2201-CS-T NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data provide an accurate high-resolution shoreline compiled from imagery of Portsmouth, NH . This vector shoreline data is based on an office interpretation of... -
Federal
Shoreline Data Rescue Project of Portsmouth, Maine, ME2A01 NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data were automated to provide an accurate high-resolution historical shoreline of Portsmouth, Maine suitable as a geographic information system (GIS) data...
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7 datasets found