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Integrating In Situ and Ocean Color Data to Evaluate Ecological Quality under the Water Framework Directive

2020Journal article Open access
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dc.contributor.authorBrito, Ana C.
dc.contributor.authorGarrido-Amador, Paloma
dc.contributor.authorGameiro, Carla
dc.contributor.authorNogueira, Marta
dc.contributor.authorMoita, Maria Teresa
dc.contributor.authorCabrita, Maria Teresa
dc.date.accessioned2021-05-07T11:52:19Z
dc.date.available2021-05-07T11:52:19Z
dc.date.issued2020
dc.description.abstractThe Water Framework Directive (WFD) aims at evaluating the ecological status of European coastal water bodies (CWBs). This is a rather complex task and first requires the use of long-term databases to assess the effect of anthropogenic pressure on biological communities. An in situ dataset was assembled using concomitant biological, i.e., chlorophyll a (Chl a) and environmental data, covering the years from 1995 to 2014, to enable a comprehensive assessment of eutrophication in the Western Iberia Coast (WIC). Given the temporal gaps in the dataset, especially in terms of Chl a, satellite observations were used to complement it. Positive relationships between Chl a 90th percentile and nitrogen concentrations were obtained. The Land-Uses Simplified Index (LUSI), as a pressure indicator, showed no relationship with Chl a, except in Galicia, but it highlighted a higher continental pressure in the Portuguese CWBs in comparison with Galician waters. In general terms, the trophic index (TRIX) showed that none of the CWBs were in degraded conditions. Nevertheless, the relatively high TRIX and LUSI values obtained for the water body in front of Tagus estuary suggest that this area should be subject to continued monitoring. Results highlighted the usefulness of satellite data in water quality assessments and set the background levels for the implementation of operational monitoring based on satellite Chl a. In the future, low uncertainty and harmonized satellite products across countries should be provided. Moreover, the assessment of satellite-based eutrophication indicators should also include metrics on phytoplankton phenology and community structurept_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBrito, A. C., Garrido-Amador, P., Gameiro, C., Nogueira, M., Moita, M. T., & Cabrita, M. T. (2020). Integrating In Situ and Ocean Color Data to Evaluate Ecological Quality under the Water Framework Directive. Water, 12(12), 3443. MDPI. http://dx.doi.org/10.3390/w12123443pt_PT
dc.identifier.doi10.3390/w12123443pt_PT
dc.identifier.eissn2073-4441
dc.identifier.urihttp://hdl.handle.net/10451/47695
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://www.mdpi.com/2073-4441/12/12/3443pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectEutrophicationpt_PT
dc.subjectPhytoplanktonpt_PT
dc.subjectNutrient enrichmentpt_PT
dc.subjectChlorophyll apt_PT
dc.subjectTRIX indexpt_PT
dc.subjectLUSI indexpt_PT
dc.titleIntegrating In Situ and Ocean Color Data to Evaluate Ecological Quality under the Water Framework Directivept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue12pt_PT
oaire.citation.startPage3443pt_PT
oaire.citation.titleWaterpt_PT
oaire.citation.volume12pt_PT
person.familyNameCabrita
person.givenNameMaria Teresa
person.identifier349469
person.identifier.ciencia-id3E17-0125-F909
person.identifier.orcid0000-0002-4323-4945
person.identifier.ridB-5746-2014
person.identifier.scopus-author-id6602224932
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationcac05d5d-1ba9-4d1a-a052-d8bde9ecfadc
relation.isAuthorOfPublication.latestForDiscoverycac05d5d-1ba9-4d1a-a052-d8bde9ecfadc

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