Preprints
https://doi.org/10.5194/gmd-2021-155
https://doi.org/10.5194/gmd-2021-155

Submitted as: model evaluation paper 18 Jun 2021

Submitted as: model evaluation paper | 18 Jun 2021

Review status: this preprint is currently under review for the journal GMD.

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

Petra Pranić1, Cléa Denamiel1,2, and Ivica Vilibić1 Petra Pranić et al.
  • 1Institute of Oceanography and Fisheries, Šetalište I. Meštrovića 63, 21000 Split, Croatia
  • 2Ruđer Bošković Institute, Division for Marine and Environmental Research, Bijenička cesta 54, 10000 Zagreb, Croatia

Abstract. In this study, the Adriatic Sea and Coast (AdriSC) kilometre-scale atmosphere-ocean climate model covering the Adriatic and northern Ionian Seas 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 to reproduce 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 as well as 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 to reproduce 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 north-eastern 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.

Petra Pranić et al.

Status: open (until 13 Aug 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on gmd-2021-155', Anonymous Referee #1, 21 Jul 2021 reply

Petra Pranić et al.

Data sets

Evaluation of the AdriSC climate model: ocean part Petra Pranić https://doi.org/10.17605/OSF.IO/W8F4J

Model code and software

AdriSC Climate Model: evaluation run Clea Lumina Denamiel https://doi.org/10.17605/OSF.IO/ZB3CM

Petra Pranić et al.

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Short summary
The Adriatic Sea and Coast model was developed due to the need for higher-resolution climate models and longer-term simulations to capture the coastal atmospheric and ocean processes at climate scales in the Adriatic Sea. The ocean results of a 31-year long simulation were compared to the observational data. The evaluation revealed that the model is capable to reproduce the observed physical properties with good accuracy and can be further used to study the dynamics of the Adriatic-Ionian basin.