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Odessa Tsunami of 27 June 2014: Observations and Numerical Modelling (CROSBI ID 289125)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Šepić, Jadranka ; Rabinovich, Alexander B. ; Sytov, Victor N. Odessa Tsunami of 27 June 2014: Observations and Numerical Modelling // Pure and applied geophysics, 175 (2018), 4; 1545-1572. doi: 10.1007/s00024-017-1729-1

Podaci o odgovornosti

Šepić, Jadranka ; Rabinovich, Alexander B. ; Sytov, Victor N.

engleski

Odessa Tsunami of 27 June 2014: Observations and Numerical Modelling

On 27 June, a 1–2-m high wave struck the beaches of Odessa, the third largest Ukrainian city, and the neighbouring port-town Illichevsk (northwestern Black Sea). Throughout the day, prominent seiche oscillations were observed in several other ports of the Black Sea. Tsunamigenic synoptic conditions were found over the Black Sea, stretching from Romania in the west to the Crimean Peninsula in the east. Intense air pressure disturbances and convective thunderstorm clouds were associated with these conditions ; right at the time of the event, a 1.5-hPa air pressure jump was recorded at Odessa and a few hours earlier in Romania. We have utilized a barotropic ocean numerical model to test two hypotheses: (1) a tsunami-like wave was generated by an air pressure disturbance propagating directly over Odessa (‘‘Experiment 1’’) ; (2) a tsunami-like wave was generated by an air pressure disturbance propagating offshore, approximately 200 km to the south of Odessa, and along the shelf break (‘‘Experiment 2’’). Both experiments decisively confirm the meteorological origin of the tsunami- like waves on the coast of Odessa and imply that intensified long ocean waves in this region were generated via the Proudman resonance mechanism while propagating over the northwestern Black Sea shelf. The ‘‘Odessa tsunami’’ of 27 June 2014 was identified as a ‘‘beach meteotsunami’’, similar to events regularly observed on the beaches of Florida, USA, but different from the ‘‘harbour meteotsunamis’’, which occurred 1–3 days earlier in Ciutadella (Baleares, Spain), Mazara del Vallo (Sicily, Italy) and Vela Luka (Croatia) in the Mediterranean Sea, despite that they were associated with the same atmospheric system moving over the Mediterranean/Black Sea region on 23–27 June 2014.

meteotsunami ; Odessa ; Black Sea ; sea level oscillations ; tide gauge records ; numerical ocean modelling ; meteorological data

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Podaci o izdanju

175 (4)

2018.

1545-1572

objavljeno

0033-4553

1420-9136

10.1007/s00024-017-1729-1

Povezanost rada

Geofizika

Poveznice
Indeksiranost