Amazon Atlantic outflow region carbon cycling constrained by atmospheric greenhouse gas data

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dc.contributor.authorBORGES, VIVIANE F.
dc.contributor.authorGATTI, LUCIANA V.
dc.contributor.authorGLOOR, EMANUEL U.
dc.contributor.authorMILLER, JOHN B.
dc.contributor.authorBOESCH, HARTMUT
dc.contributor.authorDOMINGUES, LUCAS G.
dc.contributor.authorCORREIA, CAIO S. de C.
dc.contributor.authorBASSO, LUANA S.
dc.contributor.authorSANTOS, RICARDO S.
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL CARBON DIOXIDE CONFERENCE, 10thpt_BR
dc.date.accessioned2018-09-17T12:59:17Z
dc.date.available2018-09-17T12:59:17Z
dc.date.eventoAugust 21-25, 2017pt_BR
dc.description.abstractEstuaries and near-coastal regions may process substantial amounts of carbon causing a nonnegligible carbon uptake from the atmosphere. For purpose of characterizing the greenhouse gas levels of air entering the Amazon basin from the Atlantic we have been measuring regularly greenhouse gas concentrations at several sites along the North-East Atlantic coast of Brazil over approximately the past six years (at some of the sites for much longer). At some of the sites sampling is restricted close to the surface while at other sites we have been measuring vertical profiles. At Salinopolis which is located close to the Amazon outflow region to the Atlantic seasonally strong CO2 depletion in both surface records and aircraft vertical profiles compared to background sites like Ascension Island is clearly discernible. The seasonality is synchronous with increases in chlorophyll observed from space e.g. by the SeaWiFS mission. Incidentally during the CO2 depletion period airmass trajectories tend to pass over the shelf region along the Brazilian coast travelling from the South along the coast. This enables us to apply an air column mass balance approach to estimate the magnitude of the CO2 flux into the sea along the coast during the blooms. Using the chlorophyll maps we may furthermore extrapolate the flux estimates spatially to obtain an area integrated flux. We will discuss our findings and put our flux estimates into perspective with estimates for productivity and carbon uptake in coastal regions of major tropical rivers as well as the extra-tropics. Acknowledgment: CNPq, NERC, FAPESP, MCTI, NOAA, IPEN and INPE.pt_BR
dc.event.siglaICDCpt_BR
dc.format.extent137-137pt_BR
dc.identifier.citationBORGES, VIVIANE F.; GATTI, LUCIANA V.; GLOOR, EMANUEL U.; MILLER, JOHN B.; BOESCH, HARTMUT; DOMINGUES, LUCAS G.; CORREIA, CAIO S. de C.; BASSO, LUANA S.; SANTOS, RICARDO S. Amazon Atlantic outflow region carbon cycling constrained by atmospheric greenhouse gas data. In: INTERNATIONAL CARBON DIOXIDE CONFERENCE, 10th, August 21-25, 2017, Interlaken, Switzerland. <b>Abstract...</b> Bern, Switzerland: Swiss Academy of Sciences (SCNAT), 2017. p. 137-137. Disponível em: http://repositorio.ipen.br/handle/123456789/29148.
dc.identifier.orcidhttps://orcid.org/0000-0003-4908-8974
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/29148
dc.localBern, Switzerlandpt_BR
dc.local.eventoInterlaken, Switzerlandpt_BR
dc.publisherSwiss Academy of Sciences (SCNAT)pt_BR
dc.rightsopenAccesspt_BR
dc.titleAmazon Atlantic outflow region carbon cycling constrained by atmospheric greenhouse gas datapt_BR
dc.typeResumo de eventos científicospt_BR
dspace.entity.typePublication
ipen.autorLUCAS GATTI DOMINGUES
ipen.autorLUANA SANTAMARIA BASSO
ipen.autorRICARDO SANTANA DOS SANTOS
ipen.autorCAIO SILVESTRE DE CARVALHO CORREIA
ipen.autorLUCIANA VANNI GATTI
ipen.autorVIVIANE FRANCISCA BORGES
ipen.codigoautor6548
ipen.codigoautor8668
ipen.codigoautor14384
ipen.codigoautor9389
ipen.codigoautor670
ipen.codigoautor9386
ipen.contributor.ipenauthorLUCAS GATTI DOMINGUES
ipen.contributor.ipenauthorLUANA SANTAMARIA BASSO
ipen.contributor.ipenauthorRICARDO SANTANA DOS SANTOS
ipen.contributor.ipenauthorCAIO SILVESTRE DE CARVALHO CORREIA
ipen.contributor.ipenauthorLUCIANA VANNI GATTI
ipen.contributor.ipenauthorVIVIANE FRANCISCA BORGES
ipen.date.recebimento18-09pt_BR
ipen.event.datapadronizada2017pt_BR
ipen.identifier.ipendoc24960pt_BR
ipen.notas.internasAbstractpt_BR
ipen.type.genreResumo
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relation.isAuthorOfPublication.latestForDiscovery90a68541-9fda-48cc-ba58-fa878a1571f5
sigepi.autor.atividadeBORGES, VIVIANE F.:9386:1010:Spt_BR
sigepi.autor.atividadeGATTI, LUCIANA V.:670:1010:Npt_BR
sigepi.autor.atividadeDOMINGUES, LUCAS G.:6548:1010:Npt_BR
sigepi.autor.atividadeCORREIA, CAIO S. DE C.:9389:1010:Npt_BR
sigepi.autor.atividadeBASSO, LUANA S.:8668:-1:Npt_BR
sigepi.autor.atividadeSANTOS, RICARDO S.:14384:1010:Npt_BR
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