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Ocean Science An interactive open-access journal of the European Geosciences Union

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Ocean Sci., 11, 909-920, 2015
http://www.ocean-sci.net/11/909/2015/
doi:10.5194/os-11-909-2015
© Author(s) 2015. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
23 Nov 2015
High-resolution satellite turbidity and sea surface temperature observations of river plume interactions during a significant flood event
V. E. Brando1,2, F. Braga3, L. Zaggia3, C. Giardino1, M. Bresciani1, E. Matta1, D. Bellafiore3, C. Ferrarin3, F. Maicu3, A. Benetazzo3, D. Bonaldo3, F. M. Falcieri3, A. Coluccelli4, A. Russo4,5, and S. Carniel3 1Consiglio Nazionale delle Ricerche – Istituto per il Rilevamento Elettromagnetico Ambientale (CNR-IREA), Via Bassini 13, 20133 Milan, Italy
2Commonwealth Scientific & Industrial Research Organization (CSIRO), Canberra, Australia
3Consiglio Nazionale delle Ricerche – Istituto di Scienze Marine (CNR–ISMAR), Arsenale-Tesa 104, Castello 2737/F, 30122 Venice, Italy
4Università Politecnica delle Marche – Dipartimento di Scienze della Vita e dell'Ambiente (UNIVPM-DISVA), Via Brecce Bianche, 60131 Ancona, Italy
5NATO STO Centre for Maritime Research and Technology, V.le San Bartolomeo 400, 19126 La Spezia, Italy
Abstract. Sea surface temperature (SST) and turbidity (T) derived from Landsat 8 (L8) imagery were used to characterize river plumes in the northern Adriatic Sea (NAS) during a significant flood event in November 2014. Circulation patterns and sea surface salinity (SSS) from an operational coupled ocean-wave model supported the interpretation of the plumes' interaction with the receiving waters and among them.

There was a good agreement of the SSS, T, and SST fields at the sub-mesoscale and mesoscale delineation of the major river plumes. L8 30 m resolution also enabled the description of smaller plume structures. The different plumes' reflectance spectra were related to the lithological fingerprint of the sediments in the river catchments.

Sharp fronts in T and SST delimited each single river plume. The isotherms and turbidity isolines' coupling varied among the plumes due to differences in particle loads and surface temperatures in the discharged waters. The surface expressions of all the river plumes occurring in NAS were classified based on the occurrence of the plume dynamical regions in the L8 30 m resolution imagery.


Citation: Brando, V. E., Braga, F., Zaggia, L., Giardino, C., Bresciani, M., Matta, E., Bellafiore, D., Ferrarin, C., Maicu, F., Benetazzo, A., Bonaldo, D., Falcieri, F. M., Coluccelli, A., Russo, A., and Carniel, S.: High-resolution satellite turbidity and sea surface temperature observations of river plume interactions during a significant flood event, Ocean Sci., 11, 909-920, doi:10.5194/os-11-909-2015, 2015.
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Short summary
Sea surface temperature and turbidity, derived from satellite imagery, were used to characterize river plumes in the northern Adriatic Sea during a significant flood event in November 2014. Circulation patterns and sea surface salinity, from an operational coupled ocean-wave model, supported the interpretation of the plumes' interaction with the receiving waters and among them.
Sea surface temperature and turbidity, derived from satellite imagery, were used to characterize...
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