Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/18573
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dc.contributor.authorHeidarzadeh, M-
dc.contributor.authorŠepić, J-
dc.contributor.authorRabinovich, AB-
dc.contributor.authorAllahyar, M-
dc.contributor.authorSoltanpour, A-
dc.contributor.authorTavakoli, F-
dc.date.accessioned2019-07-01T15:26:43Z-
dc.date.available2019-07-01T15:26:43Z-
dc.date.issued2019-07-03-
dc.identifier.citationHeidarzadeh, M., Šepić, J., Rabinovich, A.B., Allahyar, M., Soltanpour, A. and Tavakoli, F. (2020) 'Meteorological tsunami of 19 March 2017 in the Persian Gulf: Observations and analyses', Pure and Applied Geophysics, 177, pp. 1231 - 1259. doi: 10.1007/s00024-019-02263-8.en_US
dc.identifier.issn0033-4553-
dc.identifier.urihttps://bura.brunel.ac.uk/handle/2438/18573-
dc.description.abstractOn 19 March 2017, destructive tsunami-like waves impacted the northeast shore of the Persian Gulf (PG). The maximum surveyed runup of about 3 m was observed at Dayyer in southern Iran, where damaging waves inundated the land for a distance of * 1 km and resulted in the deaths of five people. Because the PG has always been considered safe from extreme oceanic waves, the event was totally unexpected. In this study, we examined sea level data from 12 stations across the PG and a variety of meteorological information, including satellite imagery, high-altitude isohypse maps and high-resolution air pressure records from 47 instruments along the PG. Our results show that the event was very local, with recorded maximum trough-to-crest wave heights of 197 cm at Dayyer and 234 cm at Asaluyeh, near field cities in Iran located * 80 km apart. The dominant wave periods were in the range of 15–20 min. At all distant tide gauges, the observed wave heights were \ 35 cm. No earthquakes or landslides were evident at the time of the event. On the other hand, atmospheric processes during 18–22 March were very active and 10 distinctive tsunamigenic air pressure disturbances were observed propagating over the PG, suggesting that the event of 19 March 2017 was a ‘‘meteorological tsunami’’. Atmospheric conditions over the PG were highly favourable for the generation of meteotsunamis and very similar to those that caused a chain of strong meteotsunamis in the Mediterranean and Black Sea regions during 23–27 June 2014. Based on the 500 hPa wind, we evaluated that the disturbances had propagation speeds of 21–38 m/s, with the disturbance at Dayyer having a speed of ~ 26 m/s toward 77º True. The Froude number, Fr (estimated as the ratio of the air disturbance speed to the long wave speed), on 19 March 2017 in the Dayyer/Asaluyeh region was close to resonance, Fr ~ 0.9 to 1.1, which is highly favourable for meteotsunami generation. Our findings indicate that the Dayyer/Asaluyeh area is a ‘‘hot spot’’ that is highly vulnerable to extreme, weather-induced tsunami-like waves.en_US
dc.description.sponsorshipBrunel University London, Russian State Assignment, FCT, Croatian Science Foundation,en_US
dc.format.extent1231 - 1259-
dc.format.mediumPrint-Electronic-
dc.language.isoenen_US
dc.publisherSpringer Natureen_US
dc.rightsOpen Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.-
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/-
dc.subjectPersian Gulfen_US
dc.subjectmeteotsunamien_US
dc.subjectextreme wavesen_US
dc.subjectatmospheric wavesen_US
dc.subjecttide gauge dataen_US
dc.titleMeteorological tsunami of 19 March 2017 in the Persian Gulf: Observations and analysesen_US
dc.typeArticleen_US
dc.identifier.doihttps://doi.org/10.1007/s00024-019-02263-8-
dc.relation.isPartOfPure and Applied Geophysics-
pubs.publication-statusPublished-
pubs.volume177-
dc.identifier.eissn1420-9136-
Appears in Collections:Dept of Mechanical and Aerospace Engineering Research Papers

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