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dc.contributor.author Labat, D.
dc.contributor.author Espinoza, Jhan Carlo
dc.contributor.author Ronchail, J.
dc.contributor.author Cochonneau, G.
dc.contributor.author De Oliveira, E.
dc.contributor.author Doudou, J. C.
dc.contributor.author Guyot, J. L.
dc.coverage.spatial Guyana
dc.date.accessioned 2018-09-21T11:14:46Z
dc.date.available 2018-09-21T11:14:46Z
dc.date.issued 2012-06
dc.identifier.citation Labat, D., Espinoza, J. C., Ronchail, J., Cochonneau, G., De Oliveira, E., Doudou, J. C., & Guyot, J. L. (2012). Fluctuations in the monthly discharge of Guyana Shield rivers, related to Pacific and Atlantic climate variability.==$Hydrological Sciences Journal, 57$==(6), 1081-1091. https://doi.org/10.1080/02626667.2012.695074 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/3024
dc.description.abstract The discharge variability of the main rivers that drain the Guyana Shield is analysed over the last 50 years using cross-wavelet, coherence and composite analysis involving oceanic and atmospheric variables. We highlight the overall hydro-climatological homogeneity of this region that allowed us to focus on the longest discharge time series available. Therefore, a wavelet cross-analysis was carried out between monthly and seasonal Maroni River discharge at the Langa Tabiki station and selected climate indices. This confirms a strong relationship between the hydrology of the Guyana Shield and the Pacific sea-surface temperature (SST) fluctuations. There is evidence of intermittent influence, of between inter-annual and near decadal scales, of the Atlantic SST fluctuations, in particular around 1970 and 1990. Finally, we show that the links between oceanic regions and high discharge in the rivers of Guyana are realized through the reinforcement of the Walker and Hadley cells between the Amazon and the adjacent oceans and through decreased trade winds and monsoon flux that favour the persistence of humidity over the Guyana Shield. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher Taylor & Francis es_ES
dc.relation.ispartof urn:issn:0262-6667
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Hydro-climatology es_ES
dc.subject Wavelet analysis es_ES
dc.subject SST–hydrology connections es_ES
dc.subject Guyana es_ES
dc.title Fluctuations in the monthly discharge of Guyana Shield rivers, related to Pacific and Atlantic climate variability es_ES
dc.title.alternative Variations des débits mensuels des fleuves drainant le bouclier guyanais en relation avec la variabilité climatique atlantique et pacifique es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.09 es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.10 es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.11 es_ES
dc.identifier.journal Hydrological Sciences Journal es_ES
dc.identifier.doi https://doi.org/10.1080/02626667.2012.695074 es_ES

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