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Federal
EMAG2v3: Earth Magnetic Anomaly Grid (2-arc-minute resolution)
National Oceanic and Atmospheric Administration, Department of Commerce —
EMAG2v3 is a global Earth Magnetic Anomaly Grid compiled from satellite, ship, and airborne magnetic measurements. It is a significant update of the previous release... -
Federal
Shipping Fairways, Lanes, and Zones for US waters
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
Federal
Maritime Limits and Boundaries of United States of America NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
Federal
Federal and State Waters
National Oceanic and Atmospheric Administration, Department of Commerce —
These data show the geographic representation of Federal and State Waters for the purpose of display in the MarineCadastre.gov OceanReports application. The boundary... -
Federal
Coastal Zone Management Act Boundary
National Oceanic and Atmospheric Administration, Department of Commerce —
These data represent the extent of the nation's coastal zone, as defined by the individual states and territories under the Coastal Zone Management Act of 1972... -
Federal
Offshore Oil and Gas Platforms
National Oceanic and Atmospheric Administration, Department of Commerce —
These data show the location for oil and gas platforms located in the state and federal waters of the United States. Generally, this data set does not show platforms... -
Federal
R-Factor for the Conterminous United States
National Oceanic and Atmospheric Administration, Department of Commerce —
The rainfall-runoff erosivity factor (R-Factor) quantifies the effects of raindrop impacts and reflects the amount and rate of runoff associated with the rain. The... -
Federal
Congressional Districts
National Oceanic and Atmospheric Administration, Department of Commerce —
These data depict the 117th Congressional Districts and their representatives for the United States. Congressional districts are the 435 areas from which members are... -
Federal
Significant Wave Height and Direction
National Oceanic and Atmospheric Administration, Department of Commerce —
Significant wave height is a spectrally derived time-series, which is the average of the highest third of the waves in a random seaway and roughly corresponds to the... -
Federal
Seal Counts
National Oceanic and Atmospheric Administration, Department of Commerce —
Database of seal counts from aerial photography. Counts by image, site, species, and date are stored in the database along with information on entanglements and other...