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Influence of density stratification on the effluent plume dynamics


Lončar, Goran; Beg Paklar, Gordana; Janeković, Ivica
Influence of density stratification on the effluent plume dynamics // Oceanologia, 53 (2011), 2; 565-585 doi:10.5697/oc.53-2.565 (međunarodna recenzija, članak, znanstveni)


Naslov
Influence of density stratification on the effluent plume dynamics

Autori
Lončar, Goran ; Beg Paklar, Gordana ; Janeković, Ivica

Izvornik
Oceanologia (0078-3234) 53 (2011), 2; 565-585

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

Ključne riječi
Numerical model; submarine outfall; density stratification

Sažetak
In this study we have modeled sea temperature (T), salinity (S) and density fields dynamics using 3D numerical model applied to the Rijeka Bay (Croatia) in order to explore their effect on effluent plume dynamics in the vicinity of the four sewerage submarine outfalls during the bora wind (NE direction) occurrence. Vertical density stratification in the studied area is strongly related to the bora wind which significantly contributes to the deepening of the pycnocline depth through enhanced mixing along the vertical, giving a rise to changes in neutral buoyancy level. Near-field plume dynamics features were calculated with the use of the separate near-field numerical model, using information of the vertical density distribution previously calculated within 3D numerical model. Results of the numerical simulations and statistical analysis of the wind data indicate very low probability of complete water column homogenization and consequent effluent plume rise up to the sea surface under the bora wind influence in the period of intense tourist season (May-September).

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Građevinarstvo



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, )
082-0000000-3243 - Razvoj i primjena metoda modeliranja pronosa tvari i energije tekućinama (Goran Gjetvaj, )

Ustanove
Institut za oceanografiju i ribarstvo, Split,
Građevinski fakultet, Zagreb

Časopis indeksira:


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


Uključenost u ostale bibliografske baze podataka:


  • Directory of open acces journals


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