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Variability of the ambient noise in a seagrass bed

2015Conference object Restricted access
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dc.contributor.authorFelisberto, P.
dc.contributor.authorRodríguez, O. C.
dc.contributor.authorSantos, P.
dc.contributor.authorZabel, F.
dc.contributor.authorJesus, S. M.
dc.date.accessioned2015-12-15T15:51:27Z
dc.date.available2015-12-15T15:51:27Z
dc.date.issued2015
dc.description.abstractThis paper discusses the ambient noise acquired during the period of one week, from May 8 to 15, 2013 over a Posidonia oceanica bed in the Bay of la Revellata, Calvi, Corsica. The acoustic receivers were moored at 3 locations with water depth ranging from 2 to 20 m. Simultaneously with acoustic measurements, the dissolved O2 was measured by an array of optodes. The noise field in the band 2-7 kHz was dominant. The noise directionality and bottom reflectivity estimated using a short vertical array show a diurnal variability pattern. The mean noise power measured at all receivers shows also a diurnal variability pattern, which is negatively correlated with the O2 dissolved in the water. Changes in noise power between the night (highest noise power) and day period (lowest noise power) as high as 5 dB were observed at the various locations. These results suggest that the ambient noise power and directionality are correlated with the photosynthetic activity of the seagrass meadow and that a passive acoustic system can be used to monitor the O2 production of the meadow. © 2014 IEEE.
dc.identifier.doihttps://dx.doi.org/10.1109/OCEANS.2014.7003146
dc.identifier.isbn9781479949182
dc.identifier.otherAUT: PFE00638; SJE00662;
dc.identifier.urihttp://hdl.handle.net/10400.1/7358
dc.language.isoeng
dc.peerreviewedyes
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.publisherIEEE
dc.relation.isbasedonP-00A-7D4
dc.titleVariability of the ambient noise in a seagrass bed
dc.typeconference object
dspace.entity.typePublication
oaire.citation.title2014 Oceans - St. John's, OCEANS 2014
person.familyNameFelisberto
person.familyNameRodríguez
person.familyNameJorge Maia dos Santos
person.familyNameZabel
person.familyNameJesus
person.givenNamePaulo
person.givenNameOrlando
person.givenNamePaulo
person.givenNameFriedrich
person.givenNameSergio
person.identifier79549
person.identifier465112
person.identifier.ciencia-idD411-CBA8-85B8
person.identifier.ciencia-id8E12-528F-49E5
person.identifier.ciencia-idF91F-B793-622A
person.identifier.orcid0000-0001-7542-4332
person.identifier.orcid0000-0002-0375-1892
person.identifier.orcid0000-0002-0400-3298
person.identifier.orcid0000-0002-3477-2813
person.identifier.orcid0000-0002-6021-1761
person.identifier.ridM-9474-2013
person.identifier.ridO-6589-2015
person.identifier.scopus-author-id6508039890
person.identifier.scopus-author-id7103218936
person.identifier.scopus-author-id55490343300
person.identifier.scopus-author-id7003729485
rcaap.rightsrestrictedAccess
rcaap.typeconferenceObject
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