Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1159556
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dc.contributor.authorSOLANDER, K. C.eng
dc.contributor.authorNEWMAN, B. D.eng
dc.contributor.authorARAUJO, A. C. deeng
dc.contributor.authorBARNARD, H. R.eng
dc.contributor.authorBERRY, Z. C.eng
dc.contributor.authorBONAL, D.eng
dc.contributor.authorBRETFELD, M.eng
dc.contributor.authorBURBAN, B.eng
dc.contributor.authorCANDIDO, L. A.eng
dc.contributor.authorCÉLLERI, R.eng
dc.contributor.authorCHAMBERS, J. Q.eng
dc.contributor.authorCHRISTOFFERSEN, B. O.eng
dc.contributor.authorDETTO, M.eng
dc.contributor.authorDORIGO, W. A.eng
dc.contributor.authorEWERS, B. E.eng
dc.contributor.authorFERREIRA, S. J. F.eng
dc.contributor.authorKNOHL, A.eng
dc.contributor.authorLEUNG, L. R.eng
dc.contributor.authorMcDOWELL, N. G.eng
dc.contributor.authorMILLER, G. R.eng
dc.contributor.authorMONTEIRO, M. T. F.eng
dc.contributor.authorMOORE, G. W.eng
dc.contributor.authorNEGRON-JUAREZ, R.eng
dc.contributor.authorSALESKA, S. R.eng
dc.contributor.authorSTIEGLER, C.eng
dc.contributor.authorTOMASELLA, J.eng
dc.contributor.authorXU, C.eng
dc.date.accessioned2023-12-12T18:32:34Z-
dc.date.available2023-12-12T18:32:34Z-
dc.date.created2023-12-12
dc.date.issued2020
dc.identifier.citationHydrology and Earth System Sciences, v. 24, n. 5, p. 2303-2322, 2020.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1159556-
dc.descriptionThe 2015–2016 El Niño event ranks as one of the most severe on record in terms of the magnitude and extent of sea surface temperature (SST) anomalies generated in the tropical Pacific Ocean. Corresponding global impacts on the climate were expected to rival, or even surpass, those of the 1997–1998 severe El Niño event, which had SST anomalies that were similar in size. However, the 2015–2016 event failed to meet expectations for hydrologic change in many areas, including those expected to receive well above normal precipitation. To better understand how climate anomalies during an El Niño event impact soil moisture, we investigate changes in soil moisture in the humid tropics (between ± 25◦) during the three most recent super El Niño events of 1982–1983, 1997–1998 and 2015–2016, using data from the Global Land Data Assimilation System (GLDAS). First, we use in situ soil moisture observations obtained from 16 sites across five continents to validate and bias-correct estimates from GLDAS (r2 = 0.54). Next, we apply a k-means cluster analysis to the soil moisture estimates during the El Niño mature phase, resulting in four groups of clustered data. The strongest and most consistent decreases in soil moisture occur in the Amazon basin and maritime southeastern Asia, while the most consistent increases occur over eastern Africa. In addition, we compare changes in soil moisture to both precipitation and evapotranspiration, which showed a lack of agreement in the direction of change between these variables and soil moisture most prominently in the southern Amazon basin, the Sahel and mainland southeastern Asia. Our results can be used to improve estimates of spatiotemporal differences in El Niño impacts on soil moisture in tropical hydrology and ecosystem models at multiple scales.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectSoil moisture
dc.titleThe pantropical response of soil moisture to El Niño.
dc.typeArtigo de periódico
dc.subject.thesagroClima
dc.subject.thesagroMudança Climática
dc.subject.thesagroUmidade do Solo
dc.subject.nalthesaurusEl Nino
riaa.ainfo.id1159556
riaa.ainfo.lastupdate2023-12-12
dc.identifier.doihttps://doi.org/10.5194/hess-24-2303-2020
dc.contributor.institutionKURT C. SOLANDER, LOS ALAMOS NATIONAL LABORATOReng
dc.contributor.institutionBRENT D. NEWMAN, LOS ALAMOS NATIONAL LABORATORYeng
dc.contributor.institutionALESSANDRO CARIOCA DE ARAUJO, CPATUeng
dc.contributor.institutionHOLLY R. BARNARD, UNIVERSITY OF COLORADO BOULDEReng
dc.contributor.institutionZ. CARTER BERRY, CHAPMAN UNIVERSITYeng
dc.contributor.institutionDAMIEN BONAL, INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUEeng
dc.contributor.institutionMARIO BRETFELD, KENNESAW STATE UNIVERSITYeng
dc.contributor.institutionBENOIT BURBAN, INSTITUT NATIONAL DE RECHERCHE EN AGRICULTUREeng
dc.contributor.institutionLUIZ ANTONIO CANDIDO, INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIAeng
dc.contributor.institutionROLANDO CÉLLERI, UNIVERSIDAD DE CUENCAeng
dc.contributor.institutionJEFFERY Q. CHAMBERS, LAWRENCE BERKELEY NATIONAL LABORATORYeng
dc.contributor.institutionBRADLEY O. CHRISTOFFERSEN, UNIVERSITY OF TEXASeng
dc.contributor.institutionMATTEO DETTO, PRINCETON UNIVERSITYeng
dc.contributor.institutionWOUTER A. DORIGO, TECHNISCHEN UNIVERSITÄT WIENeng
dc.contributor.institutionBRENT E. EWERS, UNIVERSITY OF WYOMINGeng
dc.contributor.institutionSAVIO JOSÉ FILGUEIRAS FERREIRA, INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIAeng
dc.contributor.institutionALEXANDER KNOHL, UNIVERSITY OF GÖTTINGENeng
dc.contributor.institutionL. RUBY LEUNG, PACIFIC NORTHWEST NATIONAL LABORATORYeng
dc.contributor.institutionNATE G. MCDOWELL, PACIFIC NORTHWEST NATIONAL LABORATORYeng
dc.contributor.institutionGRETCHEN R. MILLER, TEXAS A&M UNIVERSITYeng
dc.contributor.institutionMARIA TEREZINHA FERREIRA MONTEIRO, INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIAeng
dc.contributor.institutionGEORGIANNE W. MOORE, TEXAS A&M UNIVERSITYeng
dc.contributor.institutionROBINSON NEGRON-JUAREZ, LAWRENCE BERKELEY NATIONAL LABORATORYeng
dc.contributor.institutionSCOTT R. SALESKA, UNIVERSITY OF ARIZONAeng
dc.contributor.institutionCHRISTIAN STIEGLER, UNIVERSITY OF GÖTTINGENeng
dc.contributor.institutionJAVIER TOMASELLA, CENTRO NACIONAL DE MONITORAMENTO E ALERTA DE DESASTRES NATURAISeng
dc.contributor.institutionCHONGGANG XU, LOS ALAMOS NATIONAL LABORATORY.eng
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