Comparison of observed (HF radar, ADCP) and model barotropic tidal currents in the New York Bight and Block Island Sound

Jenq Chi Mau, Dong Ping Wang, David S. Ullman, Daniel L. Codiga

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

A three-dimensional, primitive-equation model is used to simulate the barotropically-forced semidiurnal tidal currents in the New York Bight (NYB) and Block Island Sound (BIS). Model tidal velocity ellipses are verified at historical current meter locations and with measurements from acoustic Doppler current profilers (ADCPs) and HF radar (CODAR). The model reproduces well the regional tidal flow pattern as well as the vertical tidal velocity structure. The model misfits typically are 2-4 cm/s in amplitude and 5-7° in orientation. Through comprehensive skill assessment, the model's capacity of simulating the three-dimensional barotropic tidal currents is clearly demonstrated. Moreover, it is shown that the integrity of HF radar measurements can be assured by verifying with model tidal ellipses.

Original languageEnglish
Pages (from-to)129-137
Number of pages9
JournalEstuarine, Coastal and Shelf Science
Volume72
Issue number1-2
DOIs
StatePublished - Mar 2007

Keywords

  • Block Island Sound
  • HF radar
  • New York Bight
  • skill assessment
  • tidal model

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