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Diurnal upwelling resonantly driven by sea breezes around an Adriatic island


Orlić, Mirko; Beg Paklar, Gordana; Dadić, Vlado; Leder, Nenad; Mihanović, Hrvoje; Pasarić, Miroslava; Pasarić, Zoran
Diurnal upwelling resonantly driven by sea breezes around an Adriatic island // Journal of geophysical research, 116 (2011), C09025-1 doi:10.1029/2011JC006955 (međunarodna recenzija, članak, znanstveni)


Naslov
Diurnal upwelling resonantly driven by sea breezes around an Adriatic island

Autori
Orlić, Mirko ; Beg Paklar, Gordana ; Dadić, Vlado ; Leder, Nenad ; Mihanović, Hrvoje ; Pasarić, Miroslava ; Pasarić, Zoran

Izvornik
Journal of geophysical research (0148-0227) 116 (2011); C09025-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Upwelling; sea breeze; resonance; Adriatic

Sažetak
Diurnal coastal upwelling was previously observed when sea breezes were exceptionally strong, or when the process occurred close to critical latitudes (30°N, 30°S) where local inertial oscillations may be resonantly excited. Our data collected in the Adriatic show that the pronounced diurnal upwelling is also possible under milder wind‐forcing and outside critical latitudes. It is found that the thermocline recorded in the summer of 2006 at the south coast of the island of Lastovo was subject to diurnal variability with a maximum range of about 30 m, and that the corresponding currents measured off the west coast of the island pointed to internal waves propagating around the island in a clockwise direction. We suggest that the summertime stratification occasionally promotes coastal waves that revolve daily around the island, creating the conditions needed for resonant excitation by sea breezes. Numerical modeling reveals that the 24‐h waves are trapped around the island due to the influence of both the Coriolis force and bottom slope, and that the 12‐ waves radiate away from the island. The biogeochemical data show that the diurnal upwelling may stimulate primary production in the area but may also adversely affect benthic organisms.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekt / tema
001-0013077-1118 - Kooscilacije atmosfere i mora važne za ekosustav Jadrana (Mira Morović, )
001-0013077-1122 - Istraživanje i sustavi praćenja neuobičajene dinamike Jadrana (Ivica Vilibić, )
022-0222882-2823 - Radioekologija Jadranskoga mora i priobalja (Zdenko Franić, )
119-1193086-3085 - Utjecaj atmosfere i topografske varijabilnosti na procese u moru (Mirko Orlić, )

Ustanove
Institut za oceanografiju i ribarstvo, Split,
Institut za medicinska istraživanja i medicinu rada, Zagreb,
Prirodoslovno-matematički fakultet, Zagreb,
Hrvatski hidrografski institut

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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