EMI
EMI
Sei qui: HomeStaffStaffKokoszka Florian

FK cvAssegno di Ricerca
Dipartimento Infrastrutture di ricerca per le risorse biologiche marine

Stazione Zoologica Anton Dohrn
Villa Comunale
80121 Naples - Italy

Tel.: +39 081 58333357
E-mail: florian.kokoszka(at)szn.it

Curriculum Vitae

Supervisor: Fabio Conversano
Appointed on project: PON PLACE

Interessi di Ricerca

The vertical structure of the oceans (i.e. the variations of temperature, salinity and currents with depth) regulates the physical processes taking place from the surface to the bottom. Its state results from the transfer of energy of large-scales forcings (e.g., winds, sea-air and ice-air buoyancy exchanges, tides) toward small dissipative scales where water properties are modified through the turbulent mixing. This transfer of energy occurs via a large variety of phenomena (e.g., internal waves, eddies, filaments, overturns) interacting and overlapping in space and time, whose roles are not perfectly disentangled. These different processes are regulated by the stratification which, in turn, is modified through the micro-scale mixing they ultimately provide.
This conditioning of the water column is of importance for biological communities as it also regulates biological activity, since it controls the vertical transfer and uptakes of nutrients.
In a context of data analyses and projections that indicate that global warming leads to stronger stratification, it is of importance to identify which processes are the most sensitive to changes. To address this task, I analyse and compare both in-situ observations (fine-scale hydrology and currents data, micro-scale turbulence measurements) and numerical outputs (ocean circulation models, machine learning fitting) to infer the intermittency and variability of the turbulence and mixing in both coastal and open sea areas.

Principali Pubblicazioni

Kokoszka, F., Iudicone, D., Zingone, A., Saggiomo, V., D'Alcalá, M. R., & Conversano, F. (2021). A note about density staircases in the Gulf of Naples: 20 years of persistent weak salt-fingering layers in a coastal area. Advances in Oceanography and Limnology, 12(2).

Kokoszka, F., Conversano, F., Ludicone, D., Ferron, B., Bouruet-Aubertot, P., & Mc Millan, J. (2020). Microstructure observations of the summer-to-winter destratification at a coastal site in the gulf of Naples. Earth and Space Science Open Archive.

Kokoszka, F., Falcini, F., Iudicone, D., Borghini, M., Schroeder, K., & Sparnocchia, S. (2019, January). Investigation of internal wave mixing over the bottom topography of the deep Ionian sea. In Geophysical Research Abstracts (Vol. 21).

Artale, V., Falcini, F., Marullo, S., Bensi, M., Kokoszka, F., Iudicone, D., & Rubino, A. (2018). Linking mixing processes and climate variability to the heat content distribution of the Eastern Mediterranean abyss. Scientific reports, 8(1), 1-10.

Ferron, B., Kokoszka, F., Mercier, H., Lherminier, P., Huck, T., Rios, A., & Thierry, V. (2016). Variability of the turbulent kinetic energy dissipation along the A25 Greenland–Portugal transect repeated from 2002 to 2012. Journal of Physical Oceanography, 46(7), 1989-2003.

Ferron, B., Kokoszka, F., Mercier, H., & Lherminier, P. (2014). Dissipation rate estimates from microstructure and finescale internal wave observations along the A25 Greenland–Portugal OVIDE line. Journal of Atmospheric and Oceanic Technology, 31(11), 2530-2543.

Rigonato, J., Budinich, M., Murillo, A. A., Brandão, M. C., Karlusich, J. J. P., Soviadan, Y. D., ... & Jaillon, O. (2021). Insights into biotic and abiotic modulation of ocean mesopelagic communities. bioRxiv.

Caputi, L., Carradec, Q., Eveillard, D., Kirilovsky, A., Pelletier, E., Pierella Karlusich, J. J., ... & Tara Oceans Coordinators. (2019). Community‐level responses to iron availability in open ocean plankton ecosystems. Global Biogeochemical Cycles, 33(3), 391-419.

Sunagawa, S., Coelho, L. P., Chaffron, S., Kultima, J. R., Labadie, K., Salazar, G., ... & Velayoudon, D. (2015). Structure and function of the global ocean microbiome. Science, 348(6237), 1261359.

Blanke, B., Penven, P., Roy, C., Chang, N., & Kokoszka, F. (2009). Ocean variability over the Agulhas Bank and its dynamical connection with the southern Benguela upwelling system. Journal of Geophysical Research: Oceans, 114(C12).

Websites

https://github.com/fszk

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