Climate variability and extreme drought in the upper Solimões River (western Amazon Basin): understanding the exceptional 2010 drought

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dc.contributor.authorEspinoza, Jhan Carlo
dc.contributor.authorRonchail, Josyane
dc.contributor.authorGuyot, Jean Loup
dc.contributor.authorJunquas, Clémentine
dc.contributor.authorVauchel, Philippe
dc.contributor.authorLavado, Waldo
dc.contributor.authorDrapeau, Guillaume
dc.contributor.authorPombosa, Rodrigo
dc.coverage.spatialRío Solimões
dc.coverage.spatialAmazonas
dc.date.accessioned2018-09-21T17:47:47Z
dc.date.available2018-09-21T17:47:47Z
dc.date.issued2011-07
dc.description.abstractThis work provides an initial overview of climate features and their related hydrological impacts during the recent extreme droughts (1995, 1998, 2005 and 2010) in the upper Solimões River (western Amazon), using comprehensive in situ discharge and rainfall datasets. The droughts are generally associated with positive SST anomalies in the tropical North Atlantic and weak trade winds and water vapor transport toward the upper Solimões, which, in association with increased subsidence over central and southern Amazon, explain the lack of rainfall and very low discharge values. But in 1998, toward the end of the 1997–98 El Niño event, the drought is more likely related to an anomalous divergence of water vapor in the western Amazon that is characteristic of a warm event in the Pacific. During the austral spring and winter of 2010, the most severe drought since the seventies has been registered in the upper Solimões. Its intensity and its length, when compared to the 2005 drought, can be explained by the addition of an El Niño in austral summer and a very warm episode in the Atlantic in boreal spring and summer. As in 2005, the lack of water in 2010 was more important in the southern tropical tributaries of the upper Solimões than in the northern ones.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationEspinoza, J. C., Ronchail, J., Guyot, J. L., Junquas, C., Vauchel, P., Lavado, W., ... Pombosa, R. (2011). Climate variability and extreme drought in the upper Solimões River (western Amazon Basin): understanding the exceptional 2010 drought.==$Geophysical Research Letters, 38$==(13), L13406. https://doi.org/10.1029/2011GL047862es_ES
dc.identifier.doihttps://doi.org/10.1029/2011GL047862es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalGeophysical Research Letterses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3049
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Union (AGU)es_ES
dc.relation.ispartofurn:issn:0094-8276
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subject2010 droughtes_ES
dc.subjectAmazon Basines_ES
dc.subjectAndeses_ES
dc.subjectAtlantic SSTes_ES
dc.subjectPerues_ES
dc.subjectSolimões Riveres_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.00es_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.09es_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.11es_ES
dc.titleClimate variability and extreme drought in the upper Solimões River (western Amazon Basin): understanding the exceptional 2010 droughtes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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