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Full-Text Articles in Oceanography
Providential Tides: The Double Low Water Of Narragansett Bay, D. G. Bowers, J. M. Brubaker
Providential Tides: The Double Low Water Of Narragansett Bay, D. G. Bowers, J. M. Brubaker
VIMS Articles
We investigate a mechanism for producing double-lows and double-highs in the semi-diurnal tide by selective amplification of higher harmonics in a resonant gulf. A double low water is observed at Providence, RI, near the head of Narragansett Bay on days when there is a flattening of the low water tidal curve at Newport, at the mouth of the bay. The flattening is caused by an unusually large quarter-diurnal component to the tide at Newport. The quarter diurnal component has the right phase (a maximum close to the time of the minimum in the semi-diurnal tide) to produce a prolonged flattening …