Ph.D. Biological Oceanography (2000-2003)

Dissertation topic: Space and time occurrence of algal blooms in the Mediterranean: their significance for the trophic regime of the basin

Studies funded by Fellowship (1998-1999)

Research topic: Mediterranean variability using satellite data

Laurea degree in physics (1997)

Universita' di Roma "La Sapienza", Rome, Italy

My broad research interest is the dissection of the relevant processes, which affect the variability of phytoplankton biomass and its composition, combining the synoptic quasi-continuous satellite information and the in-situ and model-derived data, to be able to predict long-term trends in primary productivity in relation to climate variability.
More specifically I would like:

• to identify within the most active biological sites of the global ocean, the ones which display the most significant interannual and long term variations, quantifying temporal and spatial scales of single events;
• to discriminate among different color signatures of each bloom to possibly improve our knowledge on its biological signature;
• to gain insight, coupling remote-sensing data, inverse methods and process oriented models, on what groups contribute the most to the primary production;
• to reconstruct the sub-surface dynamics to better constrain the fate of primary production;
• to predict possible changes in space, time and features of phytoplankton blooms in the global ocean;
• to exploit new robotic plateforms, as the profilng buoys, gliders or bio-optical moorings, to ameliorate our comphension of the physical-biological coupling in the oceans.

Publications:

Submitted

• Lavigne, H., D'Ortenzio, F., Claustre, H. and A. Poteau (2011). Towards a merged satellite and in situ fluorescence ocean chlorophyll product, Biogeosciences Discussion, access to paper online
  
• Xing, X., Morel, A., Claustre, H., D'Ortenzio, F., and A. Poteau (2011). Combined processing and mutual interpretation of radiometry and fluorimetry from autonomous profiling Bio-Argo Floats. II The retrieval of CDOM absorption, Journal of Geophysical Research, submitted
• Xing, X., Claustre, H., Blain, S., D'Ortenzio, F., Antoine, D., Ras, J., Guinet, C. (2011). Quenching correction for in vivo chlorophyll fluorescence measured by instrumented elephant seals in the Kerguelen region. Limnology and Oceanography Methods, submitted
  

In revision

• Taillandier V., D'Ortenzio, F. and D. Antoine., Carbon fluxes in the upper mixed layer of the Mediterranean Sea in the 1980s and the 2000s, Deep Sea Res., in revision.

In press

• D'Ortenzio, F. and L. Prieur, (2012), "The upper mixed layer", in "Life in the Mediterranean Sea: A look at habitat changes", Noga Stambler ed., Nova Science Publisher.

2011

• Mignot, A., Claustre, H., F. D'Ortenzio, F., Xing, X, Poteau, A. and J. Ras (2011). From the shape of the vertical profile of in vivo fluorescence to Chlorophyll-a concentration. Biogeosciences, 8, 2391–2406, doi:10.5194/bg-8-2391-2011 (Get PDF Reprint)
• Xing, X., Morel, A., Claustre, H., Antoine, D., D'Ortenzio, F., Poteau, A., Mignot, A. (2011). Combined processing and mutual interpretation of radiometry and fluorimetry from autonomous profiling Bio-Argo Floats. The retrieval of Chlorophyll a, Journal of Geophysical Research, 116, C06020, doi:10.1029/2010JC006899. (Get PDF Reprint)

2009

• D'Ortenzio F., and M.R. d'Alcala, (2009). On the trophic regimes of the Mediterranean Sea: a satellite analysis. Biogeosciences 6 (2), 139-148. (Get PDF Reprint)
• Martinez E., D. Antoine, F. D'Ortenzio and B. Gentili (2009). Climate-driven basin-scale decadal oscillations
  of oceanic phytoplankton, Science, 36, 1253-1256. (Get PDF Reprint)

2008

• Antoine, D., F. D'Ortenzio, S. B. Hooker, G Bécu, B. Gentili, D. Tailliez, and A. J. Scott (2008), Assessment of uncertainty in the ocean reflectance determined by three satellite ocean color sensors (MERIS, SeaWiFS and MODIS-A) at an offshore site in the Mediterranean Sea (BOUSSOLE project), Journal of Geophysical Research, 113, C07013, doi:10.1029/2007JC004472. (Get PDF Reprint)
• D'Ortenzio, F., D. Antoine and S. Marullo (2008). Satellite-driven modelling of the upper ocean mixed layer and air-sea CO2 flux in the Mediterranean Sea, Deep-Sea Research I, 55, 405-434. (Get PDF Reprint)..
• Niewiadomska, K., Claustre, H., Prieur, L., D'Ortenzio, F. (2008). Submesoscale physical-biogeochemical coupling across the Ligurian current (northwestern Mediterranean) using a bio-optical glider, Limnology and Oceanography, 53, 2210-2225. (Get PDF Reprint)

2007


• Volpe G., R. Santoleri, V. Vellucci, M. Ribera d'Alcalà, S. Marullo, and F. D'Ortenzio, (2007). The colour of the Mediterranean Sea: global versus regional bio-optical algorithms evaluation and implication for satellite chlorophyll estimates. Remote Sensing of Environment, 107, 625-638. (Get PDF Reprint)

2006

• Antoine, D. M. Chami, H. Claustre, F. D'Ortenzio, A. Morel, G. Bécu, B. Gentili, F. Louis, J. Ras, E. Roussier, A.J. Scott, D. Tailliez, S. B. Hooker, P. Guevel, J.-F. Desté, C. Dempsey and D. Adams. 2006, BOUSSOLE : a joint CNRS-INSU, ESA, CNES and NASA Ocean Color Calibration And Validation Activity. NASA Technical memorandum N° 2006 - 214147, 61 pp. (Get PDF Reprint).

2005

• D'Ortenzio, F., D. Iudicone, C. de Boyer Montégut, T. P., D. Antoine, S. Marullo, R. Santoleri, and G. Madec (2005), Seasonal variability of the mixed layer depth in the Mediterranean Sea as derived from in situ profiles, Geophysical Research Letters , 32 (L12605, doi:10.1029/2005GL022463.). (Get PDF Reprint)

2003

• Böhm E., P.V. Banzon, E. D'Acunzo, F. D'Ortenzio, and R. Santoleri (2003). Adriatic Sea surface temperature and ocean color variability during the MFSPP. Annales Geophysicae, 21,137–149. (Get PDF Reprint)
• D'Ortenzio F., Ragni, S. Marullo, and M. Ribera d’Alcalà (2003). Did biological activity change in the Ionian Sea after the Eastern Mediterranean Transient? Results from the analysis of remote sensing observations. Journal Geophysical Research, 108(C9), 8113, doi:10.1029/2002JC001556. (Get PDF Reprint)