El Niño and the Southern Oscillation in Parameterized and Super-Parameterized Coupled General Circulation Models

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dc.contributor.advisorKinter, James L. III
dc.contributor.authorNattala, Jyothi
dc.creatorNattala, Jyothi
dc.date2013-05
dc.date.accessioned2013-08-15T16:18:22Z
dc.date.available2014-07-15T21:36:46Z
dc.date.issued2013-08-15
dc.description.abstractThe explicit treatment of cloud-scale processes in a super-parameterized coupled general circulation model (SP-CGCM) is known to produce improved total heating and low-level wind variability on interannual time scales relative to a model with conventional parameterization of convection. In this study, a novel linear statistical adjustment method has been explored to introduce a state-dependent adjustment such that the dominant modes of variability in the model with the explicit treatment of clouds are captured in the conventional model. This method was applied to isolate and quantify the impact of the horizontal gradients and time evolution of the surface stress forcing of the ocean due to the interannual surface stress variability of the SP-CGCM. The usefulness of this approach in isolating the effects of equatorial and off-equatorial oceanic wave response to the interannual surface stress forcing is demonstrated.
dc.description.noteThis work is embargoed by the author and will not be available until June 2014.
dc.identifier.urihttps://hdl.handle.net/1920/8298
dc.language.isoen_US
dc.rightsCopyright 2013 Jyothi Nattala
dc.subjectSuper-Parameterization
dc.subjectWind stress forcing
dc.subjectAtmosphere-Ocean Interaction
dc.subjectENSO Feedbacks
dc.subjectENSO Peridiocity
dc.subjectStatistical wind stress model
dc.titleEl Niño and the Southern Oscillation in Parameterized and Super-Parameterized Coupled General Circulation Models
dc.typeDissertation
thesis.degree.disciplineClimate Dynamics
thesis.degree.grantorGeorge Mason University
thesis.degree.levelDoctoral
thesis.degree.namePhD in Climate Dynamics

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