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Solman, S.A.; Sanchez, E.; Samuelsson, P.; da Rocha, R.P.; Li, L.; Marengo, J.; Pessacg, N.L.; Remedio, A.R.C.; Chou, S.C.; Berbery, H.; Le Treut, H.; de Castro, M.; Jacob, D. "Evaluation of an ensemble of regional climate model simulations over South America driven by the ERA-Interim reanalysis: Model performance and uncertainties" (2013) Climate Dynamics. 41(5-6):1139-1157
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Abstract:

The capability of a set of 7 coordinated regional climate model simulations performed in the framework of the CLARIS-LPB Project in reproducing the mean climate conditions over the South American continent has been evaluated. The model simulations were forced by the ERA-Interim reanalysis dataset for the period 1990-2008 on a grid resolution of 50 km, following the CORDEX protocol. The analysis was focused on evaluating the reliability of simulating mean precipitation and surface air temperature, which are the variables most commonly used for impact studies. Both the common features and the differences among individual models have been evaluated and compared against several observational datasets. In this study the ensemble bias and the degree of agreement among individual models have been quantified. The evaluation was focused on the seasonal means, the area-averaged annual cycles and the frequency distributions of monthly means over target sub-regions. Results show that the Regional Climate Model ensemble reproduces adequately well these features, with biases mostly within ±2 °C and ±20 % for temperature and precipitation, respectively. However, the multi-model ensemble depicts larger biases and larger uncertainty (as defined by the standard deviation of the models) over tropical regions compared with subtropical regions. Though some systematic biases were detected particularly over the La Plata Basin region, such as underestimation of rainfall during winter months and overestimation of temperature during summer months, every model shares a similar behavior and, consequently, the uncertainty in simulating current climate conditions is low. Every model is able to capture the variety in the shape of the frequency distribution for both temperature and precipitation along the South American continent. Differences among individual models and observations revealed the nature of individual model biases, showing either a shift in the distribution or an overestimation or underestimation of the range of variability. © 2013 Springer-Verlag Berlin Heidelberg.

Registro:

Documento: Artículo
Título:Evaluation of an ensemble of regional climate model simulations over South America driven by the ERA-Interim reanalysis: Model performance and uncertainties
Autor:Solman, S.A.; Sanchez, E.; Samuelsson, P.; da Rocha, R.P.; Li, L.; Marengo, J.; Pessacg, N.L.; Remedio, A.R.C.; Chou, S.C.; Berbery, H.; Le Treut, H.; de Castro, M.; Jacob, D.
Filiación:Centro de Investigaciones del Mar y la Atmósfera (CIMA/CONICET-UBA), DCAO/FCEN-UBA, UMI IFAECI/CNRS, Ciudad Universitaria Pabellón II Piso 2, C1428EGA Buenos Aires, Argentina
Facultad Ciencias Ambientales y Bioquimica, Universidad de Castilla-La Mancha, Toledo, Spain
Rossby Centre, SMHI, 601 76 Norrköping, Sweden
Departamento de Ciências Atmosféricas, Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, São Paulo, Brazil
Laboratoire de Météorologie Dynamique, IPSL, CNRS/UPMC, Paris, France
Centro de Ciencia do Sistema Terrestre-Instituto Nacional de Pesquisas Espaciais (CCST INPE), Rodovia Dutra km, 40, 12630-000 Cachoeira Paulista, São Paulo, Brazil
Centro Nacional Patagónico (CENPAT/CONICET), U9120ACF Puerto Madryn, Chubut, Argentina
Max Planck Institute for Meteorology, 20146 Hamburg, Germany
Centro de Previsao de Tempo e Estudos Climaticos, Instituto Nacional de Pesquisas Espaciais (CPTEC INPE), Rodovia Dutra km, 40, Cachoeira Paulista, Sao Paulo, 12630-000, Brazil
Earth System Science Interdisciplinary Center (ESSIC), University of Maryland, 5825 University Research Court, Suite 4001, College Park, MD, 20740-3823, United States
Climate Service Center, 20095 Hamburg, Germany
Palabras clave:CORDEX; Mean climate; Regional climate models; South America; Uncertainty; air temperature; climate modeling; climate prediction; ensemble forecasting; numerical model; precipitation (climatology); regional climate; uncertainty analysis; South America
Año:2013
Volumen:41
Número:5-6
Página de inicio:1139
Página de fin:1157
DOI: http://dx.doi.org/10.1007/s00382-013-1667-2
Título revista:Climate Dynamics
Título revista abreviado:Clim. Dyn.
ISSN:09307575
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09307575_v41_n5-6_p1139_Solman

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Citas:

---------- APA ----------
Solman, S.A., Sanchez, E., Samuelsson, P., da Rocha, R.P., Li, L., Marengo, J., Pessacg, N.L.,..., Jacob, D. (2013) . Evaluation of an ensemble of regional climate model simulations over South America driven by the ERA-Interim reanalysis: Model performance and uncertainties. Climate Dynamics, 41(5-6), 1139-1157.
http://dx.doi.org/10.1007/s00382-013-1667-2
---------- CHICAGO ----------
Solman, S.A., Sanchez, E., Samuelsson, P., da Rocha, R.P., Li, L., Marengo, J., et al. "Evaluation of an ensemble of regional climate model simulations over South America driven by the ERA-Interim reanalysis: Model performance and uncertainties" . Climate Dynamics 41, no. 5-6 (2013) : 1139-1157.
http://dx.doi.org/10.1007/s00382-013-1667-2
---------- MLA ----------
Solman, S.A., Sanchez, E., Samuelsson, P., da Rocha, R.P., Li, L., Marengo, J., et al. "Evaluation of an ensemble of regional climate model simulations over South America driven by the ERA-Interim reanalysis: Model performance and uncertainties" . Climate Dynamics, vol. 41, no. 5-6, 2013, pp. 1139-1157.
http://dx.doi.org/10.1007/s00382-013-1667-2
---------- VANCOUVER ----------
Solman, S.A., Sanchez, E., Samuelsson, P., da Rocha, R.P., Li, L., Marengo, J., et al. Evaluation of an ensemble of regional climate model simulations over South America driven by the ERA-Interim reanalysis: Model performance and uncertainties. Clim. Dyn. 2013;41(5-6):1139-1157.
http://dx.doi.org/10.1007/s00382-013-1667-2