Special 1994 tidal current predictions for Aransas Pass, Corpus Christi, Texas
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Special 1994 tidal current predictions for Aransas Pass, Corpus Christi, Texas

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  • Personal Author:
    Nichols, C. Reid.
  • Corporate Authors:
    United States. National Ocean Service. Office of Ocean and Earth Science.
  • NOAA Program & Office:
    NOS (National Ocean Service)
  • Description:
    "Improved tidal current predictions in Corpus Christi, Texas, are essential to enhance the safety level for large tankers navigating through Aransas Pass. The National Ocean Service (NOS) of the National Oceanic and Atmospheric Administration (NOAA) conducted a quality assurance miniproject to assess the adequacy of current predictions at Aransas Pass and Port Ingleside during April and May 1990, using acoustic Doppler current profilers. Results indicated that NOAA’s existing Tidal Current Tables were outside of established NOS working standards and prompted a notice to mariners regarding the traditional tables. New predictions derived from standard harmonic analysis techniques show improvement over historical predictions. Descriptive statistics of differences between observed and predicted currents showed slight improvement from a mean of 0.16 knots and standard deviation of 0.51 knots for the 1966-based predictions to an average of 0.00 knots and standard deviation of 0.44 knots for the 1990-based predictions. Predictions for Aransas Pass that are based on a 29-day harmonic analysis from April 9 to May 7, 1990, will be published in NOAA’s, Tidal Current Tables 1995-Atlantic Coast of North America and ensuing years. Recommendations are given for additional data acquisition to improve the quality of the predictions and for installation of a real-time system."
  • Keywords:
  • Series:
    NOAA technical memorandum NOS/OES ; 008
  • Document Type:
    Technical Memorandum
  • Place as Subject:
  • Rights Information:
    Public Domain
  • Compliance:
    Library
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