Implementation of Procedures for Computation of Tidal Datums in Areas with Anomalous Trends in Relative Mean Sea Level.
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Pages27pp. and appendices
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NOAA has typically updated tidal datum elevations for the nation to new National Tidal Datum Epoch (NTDE) time periods every 20-25 years. Updates at this frequency are necessary due to long-term global sea level change. In 1998, NOS recognized the need for a modified procedure that utilized more frequent time period updates, for determination of tidal datums for regions with anomalously high rates of local relative sea level change. These localized effects in relative sea level trends are typically due to different forces other than those responsible for global trends which can vary significantly from global trends in both time scales and magnitude. This modified procedure is necessary at selected stations to ensure that the tidal datums accurately represent the existing stand of sea level relative to land on which these datums are held fixed. Bench mark monuments are typically used as reference points f.....
PublisherNOAA, NOS Center for Operational Oceanographic Products and Services
Silver Spring, MD
Series;NrNOAA Technical Report NOS CO-OPS;068
Essential Ocean Variables (EOV)Sea surface height
Best Practice TypeBest Practice
CitationGill, S.; Hovis, G.; Kriner , K. and Michalski, M. (2014) Implementation of Procedures for Computation of Tidal Datums in Areas with Anomalous Trends in Relative Mean Sea Level. Silver Spring, MD, NOAA NOS Center for Operational Oceanographic Products and Services, 27pp and appendices. (NOAA Technical Report NOS CO-OPS 068). DOI: http://dx.doi.org/10.25607/OBP-131
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