Error Analysis Procedures Used by the National Ocean Service to Compute Estimated Error Bounds for Tidal Datums in the Arctic Ocean.
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NOAA has an established National Water Level Observation Network (NWLON) along all U.S. coastlines. One purpose of the NWLON is to provide control for tidal datum determination at short-term water level stations installed for hydrographic and shoreline mapping surveys. There are significant gaps in NWLON coverage in Alaska. When short-term (1-12 months) water level stations are installed outside of an NWLON coverage area, a First Reduction (FRED) or arithmetic mean is used for datum determination instead of the preferred simultaneous comparison method that uses a nearby NWLON station to compute a 19-year equivalent National Tidal Datum Epoch (NTDE) datum. The datum error of a FRED is typically greater than the error computed by a simultaneous comparison procedure with an NWLON station. This report describes one method used by NOAA to establish error bounds on FRED tidal datums computed at short-term stations. The standard deviation of monthly Mean Tide level (MTL) at.....
PublisherNOAA, NOS Center for Operational Oceanographic Products and Services
Silver Spring, MD
Series;NrNOAA Technical Report NOS CO-OPS;070
Essential Ocean Variables (EOV)Sea surface height
Best Practice TypeBest Practice
Spatial CoverageArctic Ocean
CitationMichalski, M.; Huang, L. and Hovis, G. (2014) Error Analysis Procedures Used by the National Ocean Service to Compute Estimated Error Bounds for Tidal Datums in the Arctic Ocean. Silver Spring, MD, NOAA NOS Center for Operational Oceanographic Products and Services, 20pp. (NOAA Technical Report NOS CO-OPS 070). DOI: http://dx.doi.org/10.25607/OBP-132
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