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Convectively coupled Kelvin waves and convective inhibition


Doklestić, Dea; Fuchs, Željka; Marki, Antun
Convectively coupled Kelvin waves and convective inhibition // Geofizika, 27 (2010), 1; 21-36 (međunarodna recenzija, članak, znanstveni)


Naslov
Convectively coupled Kelvin waves and convective inhibition

Autori
Doklestić, Dea ; Fuchs, Željka ; Marki, Antun

Izvornik
Geofizika (0352-3659) 27 (2010), 1; 21-36

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

Ključne riječi
Large-scale modes; tropics; destabilization

Sažetak
We use a thermodynamic assumption that the vertical heating profile has the shape of the first baroclinic mode, and that the analytical expression for vertical velocity has two modes, representing shallow and deep convection. The thermal assumption of the model is given through the convective inhibition closure, i.e. negative convective inhibition results in increased precipitation. These modeled modes are the free Kelvin waves and the convectively coupled Kelvin waves. We find the latter mode to be unstable, with maximum growth rate at wavelengths of 6 000 kilometers. The model successfully captures the observed nature of the Kelvin waves and shows that convective inhibition closure is sufficient to trigger the observed destabilization of the convectively coupled Kelvin mode.

Izvorni jezik
Engleski

Znanstvena područja
Geologija

Napomena
Geofizika je časopis koji je citiran u SCIE bazi.



POVEZANOST RADA


Projekt / tema
119-1193086-1311 - Bazične ORografske Atmosferske cirkulacije u Hrvatskoj (BORA) (Branko Grisogono, )

Ustanove
Prirodoslovno-matematički fakultet, Zagreb

Časopis indeksira:


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