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dc.contributor.author
Arena, Maximiliano
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dc.contributor.author
Pratolongo, Paula Daniela
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dc.contributor.author
Loisel, Hubert
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dc.contributor.author
Tran, Manh Duy
dc.contributor.author
Schaffer Ferreira, Jorge, Daniel
dc.contributor.author
Delgado, Ana Laura
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dc.date.available
2024-04-18T12:02:15Z
dc.date.issued
2024-02-12
dc.identifier.citation
Arena, Maximiliano; Pratolongo, Paula Daniela; Loisel, Hubert; Tran, Manh Duy; Schaffer Ferreira, Jorge, Daniel; et al.; Optical water characterization and atmospheric correction assessment of estuarine and coastal waters around the AERONET-OC Bahia Blanca; Frontiers Media; Frontiers in Remote Sensing; 5; 1305787; 12-2-2024; 1-17
dc.identifier.issn
2673-6187
dc.identifier.uri
http://hdl.handle.net/11336/233425
dc.description.abstract
The site AERONET-OC Bahía Blanca (BB-AERONET-OC) is located at the mouthof the Bahía Blanca Estuary, Argentina (Southwestern Atlantic Ocean), a coastalsystem defined by its high suspended loads and relatively low colored dissolvedorganic matter. The typically high turbidity of these waters makes the BBAERONET-OC distinctive within the AERONET-OC network stations, providingexceptional opportunities not only for the validation of atmospheric correctionalgorithms but also for the development of regional algorithms for coastalcomplex waters. A SeaWiFS Photometer Revision for Incident SurfaceMeasurements (SeaPRISM) instrument was deployed in January 2020 in theupper rail of a Mareograph Tower, a 15m tall structure, located 10 miles awayfrom the coast in optically deep waters. In this work we used the remote sensingreflectance (Rrs) derived from the BB-AERONET-OC measurements along with insitu hyperspectral radiometric data to classify optical water types (OWTs). Weassigned each Rrs(λ) spectra to one of the five OWTs defined by Tran et al., andOWTs were further characterized with the concentrations of optically significantcomponents (chlorophyll-a and suspended particulate matter) and inherentoptical properties (absorptions of phytoplankton, non-algal particles, anddissolved organic matter), retrieved from water samples obtainedsimultaneously with radiometric spectra. Based on a match-up exercise within situ data, different schemes of atmospheric correction methods were appliedto Sentinel-3 Ocean and Land Colour Instrument (OLCI) images. The operationalproduct OLCI Level 2 European Space Agency (ESA) standard (hereafter referredto as “Standard Neural Network (NN)”) proves to be the most suitable atmosphericcorrection algorithm, which was then used to describe spatial patterns andtemporal variability of the different OWTs in the region. The BB-AERONETOCsite is located in a sharp transition between estuarine and coastal watersthat present contrasting optical conditions: OWT 4 dominates over time (73.72%of the observations), followed by OWT 3 (24.74%) and OWT 5 (1.53%). OWTs 4 and5 are associated with turbid waters of the Bahía Blanca Estuary, especially OWT 5,which typifies the very turbid waters from the inner estuary, with the particulate load dominated by mineral sediments and detritus. OWT 3, in turn, depicts theeutrophic coastal waters of the inner shelf. The variability of OWTs and the relativecontribution of organic and inorganic compounds to the suspended materialwould be mostly related with the prevalence of northwest winds in the area,which would drive the export of estuarine sediments to the shelf.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Frontiers Media
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
AERONET-OC
dc.subject
optical water types
dc.subject
atmospheric correction
dc.subject
Sentinel 3 OLCI
dc.subject
coastal waters
dc.subject.classification
Oceanografía, Hidrología, Recursos Hídricos
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Optical water characterization and atmospheric correction assessment of estuarine and coastal waters around the AERONET-OC Bahia Blanca
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-04-04T13:13:31Z
dc.journal.volume
5
dc.journal.number
1305787
dc.journal.pagination
1-17
dc.journal.pais
Suiza
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dc.description.fil
Fil: Arena, Maximiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina
dc.description.fil
Fil: Pratolongo, Paula Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
dc.description.fil
Fil: Loisel, Hubert. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Tran, Manh Duy. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Schaffer Ferreira, Jorge, Daniel. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Delgado, Ana Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina
dc.journal.title
Frontiers in Remote Sensing
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.frontiersin.org/articles/10.3389/frsen.2024.1305787/full
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3389/frsen.2024.1305787
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