Ocean Color Remote Sensing of Suspended Sediments along a Continuum from Rivers to River Plumes: Concentration, Transport, Fluxes and Dynamics

Type Article
Date 2022-05
Language English
Author(s) Ody Anouck1, Doxaran David1, Verney RomaricORCID2, Bourrin François3, Morin Guillaume P.4, Pairaud IvaneORCID5, Gangloff AurélienORCID6
Affiliation(s) 1 : UMR 7093 CNRS/SU, Laboratoire d’Océanographie de Villefranche, 06230 Villefranche-sur-Mer, France
2 : Laboratoire de Dynamique Hydro-Sédimentaire (PDG-ODE-DYNECO-DHYSED), IFREMER, 29280 Plouzané, France
3 : UMR 5110 CNRS-UPVD, CEFREM, Université de Perpignan, 66860 Perpignan, France
4 : INRAE, Aix Marseille University, UMR RECOVER, F-13182/Pôle ECLA, 13100 Aix-en-Provence, France
5 : UMR 6523 CNRS, IFREMER, IRD, UBO, Laboratoire d’Océanographie Physique et Spatiale, 29280 Plouzané, France
6 : Service Hydrographique et Océanographique de la Marine (SHOM), 29200 Brest, France
Source Remote Sensing (2072-4292) (MDPI AG), 2022-05 , Vol. 14 , N. 9 , P. 2026 (36p.)
DOI 10.3390/rs14092026
WOS© Times Cited 5
Note This article belongs to the Section Ocean Remote Sensing
Keyword(s) ocean color, suspended particulate matter, river mouth continuum, liquid and solid river discharges into the coastal ocean

This study investigates the capability of high and medium spatial resolution ocean color satellite data to monitor the transport of suspended particulate matter (SPM) along a continuum from river to river mouth to river plume. An existing switching algorithm combining the use of green, red and near-infrared satellite wavebands was improved to retrieve SPM concentrations over the very wide range (from 1 to more than 1000 g.m−3) encountered over such a continuum. The method was applied to time series of OLI, MSI, and MODIS satellite data. Satisfactory validation results were obtained even at the river gauging station. The river liquid discharge is not only related to the SPM concentration at the gauging station and at the river mouth, but also to the turbid plume area and SPM mass estimated within the surface of the plume. The overall results highlight the potential of combined field and ocean color satellite observations to monitor the transport and fluxes of SPM discharged by rivers into the coastal ocean

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Ody Anouck, Doxaran David, Verney Romaric, Bourrin François, Morin Guillaume P., Pairaud Ivane, Gangloff Aurélien (2022). Ocean Color Remote Sensing of Suspended Sediments along a Continuum from Rivers to River Plumes: Concentration, Transport, Fluxes and Dynamics. Remote Sensing, 14(9), 2026 (36p.). Publisher's official version : https://doi.org/10.3390/rs14092026 , Open Access version : https://archimer.ifremer.fr/doc/00766/87846/