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The nature of small-scale non-turbulent variability in a mesoscale model


Güttler, Ivan; Belušić, Danijel
The nature of small-scale non-turbulent variability in a mesoscale model // Atmospheric Science Letters, 13 (2012), 3; 169-173 doi:10.1002/asl.382 (međunarodna recenzija, članak, znanstveni)


Naslov
The nature of small-scale non-turbulent variability in a mesoscale model

Autori
Güttler, Ivan ; Belušić, Danijel

Izvornik
Atmospheric Science Letters (1530-261X) 13 (2012), 3; 169-173

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

Ključne riječi
Submeso motions; WRF-ARW; surface heterogeneity; lateral boundary conditions; numerical diffusion

Sažetak
Previous studies have shown that numerical diffusion plays a crucial role in the ability of mesoscale models to reproduce features similar to submeso motions found in observations, particularly in terms of spectral energy distribution. In this study, the impacts of surface heterogeneity and frequency of lateral boundary coupling are investigated as potential factors governing or modulating the occurrence of submeso motions. The spectral energy distribution after the reduction of model diffusion is analysed in detail. It seems that a combination of physical and numerical mechanisms is responsible for the final spectral shape.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekt / tema
004-1193086-3035 - Klimatske varijacije i promjene i odjek u područjima utjecaja (Marjana Gajić-Čapka, )
119-1193086-1323 - Kakvoća zraka nad kompleksnom topografijom (Zvjezdana Bencetić-Klaić, )

Ustanove
Državni hidrometeorološki zavod,
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


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