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An Empirical Stochastic Model of Sea-surface Temperatures and Surface Winds Over the Southern Ocean : Volume 7, Issue 6 (14/11/2011)

By Kravtsov, S.

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Book Id: WPLBN0004020544
Format Type: PDF Article :
File Size: Pages 16
Reproduction Date: 2015

Title: An Empirical Stochastic Model of Sea-surface Temperatures and Surface Winds Over the Southern Ocean : Volume 7, Issue 6 (14/11/2011)  
Author: Kravtsov, S.
Volume: Vol. 7, Issue 6
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Kamenkovich, I., Kravtsov, S., Ghil, M., & Kondrashov, D. (2011). An Empirical Stochastic Model of Sea-surface Temperatures and Surface Winds Over the Southern Ocean : Volume 7, Issue 6 (14/11/2011). Retrieved from

Description: University of Wisconsin-Milwaukee, Dept. of Mathematical Sciences, Atmospheric Science group, P.O. Box 413, Milwaukee, WI 53201, USA. This study employs NASA's recent satellite measurements of sea-surface temperatures (SSTs) and sea-level winds (SLWs) with missing data filled-in by Singular Spectrum Analysis (SSA), to construct empirical models that capture both intrinsic and SST-dependent aspects of SLW variability. The model construction methodology uses a number of algorithmic innovations that are essential in providing stable estimates of the model's propagator. The best model tested herein is able to faithfully represent the time scales and spatial patterns of anomalies associated with a number of distinct processes. These processes range from the daily synoptic variability to interannual signals presumably associated with oceanic or coupled dynamics. Comparing the simulations of an SLW model forced by the observed SST anomalies with the simulations of an SLW-only model provides preliminary evidence for the ocean driving the atmosphere in the Southern Ocean region.

An empirical stochastic model of sea-surface temperatures and surface winds over the Southern Ocean

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