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Topographic Flows at the North-Eastern Adriatic Coast


Telišman Prtenjak, Maja; Grisogono, Branko
Topographic Flows at the North-Eastern Adriatic Coast // Extended Abstracts of the 28th International Conference on Alpine Meteorology (ICAM)and the Annual Scientific Meeting of the Mesoscale Alpine programme (MAP) / Đuričić, Vesna (ur.).
Zagreb: Hrvatsko meteorološko društvo, 2005. str. 427-431 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Topographic Flows at the North-Eastern Adriatic Coast

Autori
Telišman Prtenjak, Maja ; Grisogono, Branko

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Extended Abstracts of the 28th International Conference on Alpine Meteorology (ICAM)and the Annual Scientific Meeting of the Mesoscale Alpine programme (MAP) / Đuričić, Vesna - Zagreb : Hrvatsko meteorološko društvo, 2005, 427-431

Skup
The 28th International Conference on Alpine Meteorology (ICAM) and the Annual Scientific Meeting of the Mesoscale Alpine programme (MAP)

Mjesto i datum
Zadar, Hrvatska, 23-27.05.2005

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Topografski modificirana struja; niska mlazna struja; obalna cirkulacija
(Topographic flow; low level jet; sea/land breeze)

Sažetak
A typical summertime anticyclonic situation over the north-eastern Adriatic coast is studied using a 3-D nonhydrostatic meso-gama-scale model. The aim is to evaluate small-scale variability in the thermally driven mesoscale circulations over very complex terrain. The simulations show a development of two diurnal mesoscale eddies inside the Kvarner Bay. The nighttime deeper ones exhibit anti-clockwise rotation, while the late afternoon shallow one shows the rotation in the opposite direction. Their appearance and dynamics are connected primarily to the coastline shape and topography. The convergence zones (CZs), as a result of the merged sea breezes, develop over Istria and the island of Krk. The intensity, speed and position of these CZs are examined. The results reveal that the CZ over the island of Krk is connected with a baroclinic low-level jet (LLJ). While the governing factor of the Istrian CZ is differential heating between Istria and the surrounding sea surface, the CZ over the island of Krk (and LLJ) is basically determined by the terrain and coastal geometry. The influence of the synoptic flow on the mentioned local characteristics is relatively small.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekt / tema
0119330
0119339

Ustanove
Prirodoslovno-matematički fakultet, Zagreb