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Abstract:

In this study we examine the performance of eight of the IPCC AR4 global coupled climate models used in the WCRP CMIP3 Multimodel Dataset, as well as their ensemble mean, in simulating annual indices of extreme temperature and precipitation climate events in South America. In this first part we focus on comparing observed and modeled mean values and interannual variability. Two extreme temperature indices based on minimum temperature (warm nights and frost days) and three indices of extreme precipitation (R95t, R10 and consecutive dry days), obtained both from meteorological stations during 1961-2000 and model outputs, were compared. The number of warm nights are better represented by models than the FD. The interannual variability pattern is also in good agreement with the observed values. For precipitation, the index that is best represented by the models is the R95t, which relates the extreme precipitation to local climate. The maximum of dryness observed over the central Argentinian Andes or the extensive dry season of the Amazon region could not be represented by any model. © Springer Science + Business Media B.V. 2009.

Registro:

Documento: Artículo
Título:An intercomparison of model-simulated in extreme rainfall and temperature events during the last half of the twentieth century. Part 1: Mean values and variability
Autor:Rusticucci, M.; Marengo, J.; Penalba, O.; Renom, M.
Filiación:Departamento de Ciencias de la Atmósfera y los Océanos-FCEN, Universidad de Buenos Aires, Ciudad Universitaria Pab II, Buenos Aires, Argentina
Centro de Investigaciones del Mar y la Atmósfera UBA/CONICET, Buenos Aires, Argentina
CPTEC/INPE, São José dos Campos, Brazil
Facultad de Ciencias Universidad de la República, Montevideo, Uruguay
Palabras clave:Amazon region; Climate event; Coupled climate model; Data sets; Dry seasons; Extreme precipitation; Extreme rainfall; Extreme temperature indices; Extreme temperatures; Frost days; Interannual variability; Intercomparisons; Local climate; Mean values; Meteorological station; Model outputs; Multi-model; South America; Twentieth century; Warm nights; Climate change; Precipitation (meteorology); Climate models; annual variation; climate modeling; data set; dry season; Intergovernmental Panel on Climate Change; precipitation (climatology); simulation; temperature effect; twentieth century; weather station; South America
Año:2010
Volumen:98
Número:3
Página de inicio:493
Página de fin:508
DOI: http://dx.doi.org/10.1007/s10584-009-9742-8
Título revista:Climatic Change
Título revista abreviado:Clim. Change
ISSN:01650009
CODEN:CLCHD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01650009_v98_n3_p493_Rusticucci

Referencias:

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Citas:

---------- APA ----------
Rusticucci, M., Marengo, J., Penalba, O. & Renom, M. (2010) . An intercomparison of model-simulated in extreme rainfall and temperature events during the last half of the twentieth century. Part 1: Mean values and variability. Climatic Change, 98(3), 493-508.
http://dx.doi.org/10.1007/s10584-009-9742-8
---------- CHICAGO ----------
Rusticucci, M., Marengo, J., Penalba, O., Renom, M. "An intercomparison of model-simulated in extreme rainfall and temperature events during the last half of the twentieth century. Part 1: Mean values and variability" . Climatic Change 98, no. 3 (2010) : 493-508.
http://dx.doi.org/10.1007/s10584-009-9742-8
---------- MLA ----------
Rusticucci, M., Marengo, J., Penalba, O., Renom, M. "An intercomparison of model-simulated in extreme rainfall and temperature events during the last half of the twentieth century. Part 1: Mean values and variability" . Climatic Change, vol. 98, no. 3, 2010, pp. 493-508.
http://dx.doi.org/10.1007/s10584-009-9742-8
---------- VANCOUVER ----------
Rusticucci, M., Marengo, J., Penalba, O., Renom, M. An intercomparison of model-simulated in extreme rainfall and temperature events during the last half of the twentieth century. Part 1: Mean values and variability. Clim. Change. 2010;98(3):493-508.
http://dx.doi.org/10.1007/s10584-009-9742-8