Current observations from a looking down vertical V-ADCP : interaction with winds and tide? The case of Giglio Island (Tyrrhenian Sea, Italy)

• Autorzy: Cutroneo L. , Ferretti G. , Scafidi D. , Ardizzone G. D. , Vagge G. , Capello M.

Identyfikatory

DOI

10.1016/j.oceano.2016.11.001

• Języki publikacji: EN

Abstrakty

EN

In the context of the environmental monitoring of the Concordia wreck removal project, measurements of currents, winds and sea level height were made along the eastern coast of the Giglio Island, Tyrrhenian Sea (Italy), during 2012–2013. The aim of the study was to investigate the effect of atmospheric forcing and periodic sea-level changes on the coastal currents. Normalised Cross-Correlation Function analysis allowed us to correlate these observations. A marked inter-seasonal variability was found in both current and local wind velocity observations but a significant level of correlation between the data was only found during strong wind events. Current and wind directions appeared to be uncorrelated and current measurements showed a predominant NW–SE direction, presumably linked to the shape and orientation of Giglio Island itself. During strong winds from the SSE, current flow was towards the NNW but it suddenly switched from the NNW to the SE at the end of wind events. The results show that, at Giglio Island, currents are principally dominated by the general cyclonic Tyrrhenian circulation, and, secondly, by strong wind events. The sea level had no effects on the current regime.

Słowa kluczowe

EN

currents; wind interactions; sea level; Normalised Cross-Correlation Function

• Wydawca: Polish Academy of Sciences, Institute of Oceanology ; Elsevier
• Czasopismo: Oceanologia
• Rocznik: 2017
• Tom: No. 59 (2)
• Strony: 139--152
• Opis fizyczny: Bibliogr. 40 poz., fot., rys., tab., wykr.

Twórcy

autor

Cutroneo L.

• DISTAV, University of Genoa, Genoa, Italy

autor

Ferretti G.

• DISTAV, University of Genoa, Genoa, Italy

autor

Scafidi D.

• DISTAV, University of Genoa, Genoa, Italy

autor

Ardizzone G. D.

• “Sapienza”, University of Rome, Rome, Italy

autor

Vagge G.

• DISTAV, University of Genoa, Genoa, Italy

autor

Capello M.

• DISTAV, University of Genoa, Genoa, Italy

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).