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Including Coriolis effects in the Prandtl model for katabatic flow


Stiperski, Ivana; Kavčič, Iva; Grisogono, Branko; Durran, Dale R.
Including Coriolis effects in the Prandtl model for katabatic flow // Quarterly Journal of the Royal Meteorological Society, 133 (2007), 622 Part A; 101-106 (međunarodna recenzija, članak, znanstveni)


Naslov
Including Coriolis effects in the Prandtl model for katabatic flow

Autori
Stiperski, Ivana ; Kavčič, Iva ; Grisogono, Branko ; Durran, Dale R.

Izvornik
Quarterly Journal of the Royal Meteorological Society (0035-9009) 133 (2007), 622 Part A; 101-106

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

Ključne riječi
Diffusion; polar vortex; steady state; strongly stable boundary layers

Sažetak
Katabatic flow down long glaciers in high latitudes experiences deflection due to the Coriolis force. If the Coriolis force is added to the classic Prandtl model for katabatic flow, the cross-slope wind component does not approach a true steady state, but rather diffuses upwards in time. On the other hand, the down-slope component and the potential temperature perturbations do reach stationarity on the same time-scale as in the classic Prandtl model. Numerical and approximate analytic solutions are presented describing this spatio-temporal behaviour. Both solutions are in accordance with physical intuition. The analytic approximate solution can be useful in boundary-layer parameterizations and data analysis.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekt / tema
004-1193086-3036 - Oluje i prirodne katastrofe u Hrvatskoj (Branka Ivančan-Picek, )
037-1193086-2771 - Numeričke metode u geofizičkim modelima (Saša Singer, )
119-1193086-1311 - Bazične ORografske Atmosferske cirkulacije u Hrvatskoj (BORA) (Branko Grisogono, )

Ustanove
Državni hidrometeorološki zavod,
Prirodoslovno-matematički fakultet, Matematički odjel, Zagreb,
Prirodoslovno-matematički 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