S(4)CAST v2.0: sea surface temperature based statistical seasonal forecast model



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Suárez Moreno, Roberto and Rodríguez de Fonseca, María Belén (2015) S(4)CAST v2.0: sea surface temperature based statistical seasonal forecast model. Geoscientific model development, 8 (11). pp. 3639-3658. ISSN 1991-959X

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Official URL: http://dx.doi.org/10.5194/gmd-8-3639-2015


Sea surface temperature is the key variable when tackling seasonal to decadal climate forecasts. Dynamical models are unable to properly reproduce tropical climate variability, introducing biases that prevent a skillful predictability. Statistical methodologies emerge as an alternative to improve the predictability and reduce these biases. In addition, recent studies have put forward the non-stationary behavior of the teleconnections between tropical oceans, showing how the same tropical mode has different impacts depending on the considered sequence of decades. To improve the predictability and investigate possible teleconnections, the sea surface temperature based statistical seasonal foreCAST model (S4CAST) introduces the novelty of considering the non-stationary links between the predictor and predictand fields. This paper describes the development of the S4CAST model whose operation is focused on studying the impacts of sea surface temperature on any climaterelated variable. Two applications focused on analyzing the predictability of different climatic events have been implemented as benchmark examples.

Item Type:Article
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© Author(s) 2015. The research leading to these results received funding from the PREFACE-EU project (EU FP7/2007-2013) under grant agreement no. 603521, Spanish national project MINECO (CGL2012-38923-C02-01) and the VR: 101/11 project from the VIII UCM Call for Cooperation and Development projects. We also appreciate the work done by SOURCEFORGE.NET® staff in creating NetCDF libraries for MATLAB®, and of course, thanks also to the reviewers, editors and their advice and/or criticism.

Uncontrolled Keywords:Nino-southern-oscillation; Canonical correlation-analysis; Singular-value decomposition; El Niño/Southern oscillation; West-african rainfall; National-meteorological-center; Tropical Atlantic variability; Stochastic climate models; June-september rainfall; Equatorial Atlantic.
Subjects:Sciences > Physics > Geophysics
Sciences > Physics > Meteorology
ID Code:36172
Deposited On:17 Mar 2016 08:00
Last Modified:03 Jul 2018 14:34

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