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The National Geodetic Survey is an office of NOAA's National Ocean Service.Its core function is to maintain the National Spatial Reference System (NSRS), "a consistent coordinate system that defines latitude, longitude, height, scale, gravity, and orientation throughout the United States". [1]
Since the Sea Level Datum of 1929 was a hybrid model, it was not a pure model of mean sea level, the geoid, or any other equipotential surface. Therefore, it was renamed the National Geodetic Vertical Datum of 1929 (NGVD 29) May 10, 1973, by the National Geodetic Survey , a part of the National Oceanic and Atmospheric Administration .
The National Oceanic and Atmospheric Administration (NOAA / ˈ n oʊ. ə / NOH-ə) is an American scientific and regulatory agency charged with forecasting weather, monitoring oceanic and atmospheric conditions, charting the seas, conducting deep-sea exploration, and managing fishing and protection of marine mammals and endangered species in the US exclusive economic zone.
Responsible for updating nautical charts, surveying the seafloor, responding to maritime emergencies, and searching for underwater obstructions that pose a danger to navigation, the Office of Coast Survey provides the United States with navigation products and information for improving commerce and security and for protecting coastal environments. [1]
The NSRS consists of a National Shoreline, the NOAA CORS Network [2] (a system of Global Positioning System Continuously Operating Reference Stations), a network of permanently marked points, and a set of models that describe dynamic geophysical processes affecting spatial measurements.
Environmental data are collected from many sources, including satellites, land-based stations, ocean buoys, ships, remotely operated underwater vehicles, weather balloons, radar, forecasting and climate models, and paleoclimatological research. Once transmitted to NCEI, data are archived and made available for use by researchers and others in ...
Animated models show nearly 200 coastal cities drowned by rising sea levels. Katie Hawkinson. December 1, 2023 at 3:21 PM.
The Center for Coastal and Ocean Mapping [1] (CCOM) / NOAA-UNH Joint Hydrographic Center (JHC) was founded in 2000 by Dr. Larry Mayer to find ways to process the massive amounts of data coming from sonar systems at rates commensurate with data collection; that is, to make the data ready for chart production as rapidly as the data could be collected.