Articles | Volume 17, issue 6
Ocean Sci., 17, 1639–1655, 2021
https://doi.org/10.5194/os-17-1639-2021
Ocean Sci., 17, 1639–1655, 2021
https://doi.org/10.5194/os-17-1639-2021

Research article 11 Nov 2021

Research article | 11 Nov 2021

A tidally driven fjord-like strait close to an amphidromic region

Sissal Vágsheyg Erenbjerg et al.

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Here, we describe a strait that has narrow and shallow sills in both ends and is close to an amphidromic region. This generates tidally driven flows into and out of the strait, but with very different exchange rates across the entrances in both ends so that it behaves like a mixture between a strait and a fjord. Using a numerical model, we find a fortnightly signal in the net transport through the strait, generated by long-period tides. Our findings are verified by observations.