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RISPredicting Mesoscale Variability of the North Atlantic Using a Physically Motivated Scheme for Assimilating Altimeter and Argo Observations
Publisher: American Meteorological Society
Abstract: A computationally efficient scheme is described for assimilating sea level measured by altimeters and vertical profiles of temperature and salinity measured by Argo floats. The scheme is based on a transformation of ...
Sea Level Variations in the Tropical Pacific Ocean and the Madden–Julian Oscillation
Publisher: American Meteorological Society
Abstract: Satellite observations of sea level and surface wind from the tropical Pacific Ocean, and their relationship to the Madden?Julian oscillation (MJO), are analyzed using a combination of statistical techniques and a simple, ...
A Frequency-Dependent Description of Propagating Sea Level Signals in the Kuroshio Extension Region
Publisher: American Meteorological Society
Abstract: ilbert empirical orthogonal function analysis is used to provide a frequency-dependent description of observed sea level variability in the Kuroshio Extension region, 1993?2012 inclusive. The dominant high-frequency mode ...
A Reconstruction of Madden–Julian Oscillation Variability from 1905 to 2008
Publisher: American Meteorological Society
Abstract: he most widely accepted characterization of the Madden?Julian oscillation (MJO) is the bivariate index developed by Wheeler and Hendon. This index relies in part on satellite-based observations of outgoing longwave radiation ...
Mapping the Relationship between Northern Hemisphere Winter Surface Air Temperature and the Madden–Julian Oscillation
Publisher: American Meteorological Society
Abstract: regression-based modeling approach is described for mapping the dependence of atmospheric state variables such as surface air temperature (SAT) on the Madden?Julian oscillation (MJO). For the special case of a linear model ...
An Inverse Method for Tracking Ice Motion in the Marginal Ice Zone Using Sequential Satellite Images
Publisher: American Meteorological Society
Abstract: A new method for tracking ice motion and estimating ocean surface currents from sequential satellite images is presented. It is particularly suited for the marginal ice zone. A simple ice advection model, driven by wind ...
Time-Averaged Forms of the Nonlinear Stress Law
Publisher: American Meteorological Society
Abstract: On the assumption that the mean velocity and the probability distribution of the higher frequency fluctuating motions are known, an expression for the mean surface stress is given. For the case of isotropic background ...
Interaction between the Tidal and Seasonal Variability of the Gulf of Maine and Scotian Shelf Region
Publisher: American Meteorological Society
Abstract: s part of a broader study of ocean downscaling, the seasonal and tidal variability of the Gulf of Maine and Scotian shelf, and their dynamical interaction, are investigated using a high-resolution (1/36°) circulation model. ...
Modulation of Near-Inertial Oscillations by Low-Frequency Current Variations on the Inner Scotian Shelf
Publisher: American Meteorological Society
Abstract: Near-inertial oscillations (NIOs) on the inner Scotian shelf are studied using observations, a simple slab model, and two operational shelf circulation models. High-frequency radar and ADCP observations from December 2015 ...