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Performance of the Adriatic Sea and Coast (AdriSC) climate component – a COAWST V3.3-based one-way coupled atmosphere–ocean modelling suite: ocean results

Pranić, Petra; Denamiel, Cléa; Vilibić, Ivica (2021) Performance of the Adriatic Sea and Coast (AdriSC) climate component – a COAWST V3.3-based one-way coupled atmosphere–ocean modelling suite: ocean results. Geoscientific Model Development, 14 (10). pp. 5927-5955. ISSN 1991-959X

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In this study, the Adriatic Sea and Coast (AdriSC) kilometre-scale atmosphere–ocean climate model covering the Adriatic Sea and northern Ionian Sea is presented. The AdriSC ocean results of a 31-year- long (i.e. 1987–2017) climate simulation, derived with the Regional Ocean Modeling System (ROMS) 3 km and 1 km models, are evaluated with respect to a comprehensive collection of remote sensing and in situ observational data. In general, it is found that the AdriSC model is capable of reproducing the observed sea surface properties, daily temperatures and salinities, and the hourly ocean currents with good accuracy. In particular, the AdriSC ROMS 3 km model demonstrates skill in reproducing the main variabilities of the sea surface height and the sea surface temperature, despite a persistent negative bias within the Adriatic Sea. Furthermore, the AdriSC ROMS 1 km model is found to be more capable of reproducing the observed thermohaline and dynamical properties than the AdriSC ROMS 3 km model. For the temperature and salinity, better results are obtained in the deeper parts than in the shallow shelf and coastal parts, particularly for the surface layer of the Adriatic Sea. The AdriSC ROMS 1 km model is also found to perform well in reproducing the seasonal thermohaline properties of the water masses over the entire Adriatic–Ionian domain. The evaluation of the modelled ocean currents revealed better results at locations along the eastern coast and especially the northeastern shelf than in the middle eastern coastal area and the deepest part of the Adriatic Sea. Finally, the AdriSC climate component is found to be a more suitable modelling framework to study the dense water formation and long-term thermohaline circulation of the Adriatic–Ionian basin than the available Mediterranean regional climate models.

Item Type: Article
Uncontrolled Keywords: ocean climate model; high-resolution; evaluation; Adriatic Sea
Subjects: NATURAL SCIENCES > Geophysics
NATURAL SCIENCES > Geophysics > Meteorology and Climatology
NATURAL SCIENCES > Geophysics > Physical Oceanography
Divisions: Division for Marine and Enviromental Research
Project titleProject leaderProject codeProject type
Školjkaši: Arhiva okolišnih promjena u obalnim morskim ekosustavimaPeharda Uljević, MelitaIP-2019-04-8542HRZZ
Višegodišnje i dekadne oscilacije Jadranskog mora: opažanja, modeliranje i posljediceVilibić, IvicaIP-2016-06-1955HRZZ
Depositing User: Ivica Vilibić
Date Deposited: 06 Dec 2021 14:25
DOI: 10.5194/gmd-14-5927-2021

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