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Can We See the Wind? Statistical Downscaling of Historical Sea Surface Winds in the Subarctic Northeast Pacific
Publisher: American Meteorological Society
Abstract: he statistical predictability of wintertime (December?February) monthly-mean sea surface winds (both vector wind components and wind speed) in the subarctic northeast Pacific off the west coast of Canada is considered, in ...
The Gaussian Statistical Predictability of Wind Speeds
Publisher: American Meteorological Society
Abstract: he statistical predictability of wind speed using Gaussian predictors, relative to the predictability of orthogonal vector wind components, is considered. With the assumption that the vector wind components are Gaussian, ...
The Temporal Autocorrelation Structure of Sea Surface Winds
Publisher: American Meteorological Society
Abstract: he temporal autocorrelation structures of sea surface vector winds and wind speeds are considered. Analyses of scatterometer and reanalysis wind data demonstrate that the autocorrelation functions (acf) of surface zonal ...
Nonlinear Principal Component Analysis by Neural Networks: Theory and Application to the Lorenz System
Publisher: American Meteorological Society
Abstract: A nonlinear generalization of principal component analysis (PCA), denoted nonlinear principal component analysis (NLPCA), is implemented in a variational framework using a five-layer autoassociative feed-forward neural ...
Temporal Filtering Enhances the Skewness of Sea Surface Winds
Publisher: American Meteorological Society
Abstract: AbstractThe component of the sea surface wind in the along-mean wind direction is known to display pronounced skewness at many locations over the ocean. A recent study by Proistosescu et al. found that the skewness of daily ...
Nonnormal Perturbation Growth of Pure Thermohaline Circulation Using a 2D Zonally Averaged Model
Publisher: American Meteorological Society
Abstract: Generalized linear stability theory is used to calculate the optimal initial conditions that result in transient amplification of the thermohaline circulation (THC) in a zonally averaged single-basin ocean model. The ...
Statistical Downscaling Prediction of Sea Surface Winds over the Global Ocean
Publisher: American Meteorological Society
Abstract: he statistical prediction of local sea surface winds from large-scale, free-tropospheric fields is investigated at a number of locations over the global ocean using a statistical downscaling model based on multiple linear ...
Stochastic Averaging of Idealized Climate Models
Publisher: American Meteorological Society
Abstract: ariability in the climate system involves interactions across a broad range of scales in space and time. While models of slow ?climate? variability may not explicitly account for fast ?weather? processes, the dynamical ...
On Annular Modes and Zonal Jets
Publisher: American Meteorological Society
Abstract: This study considers the relation of the annular mode to the kinematics of a fluctuating jet in zonal-mean zonal wind and to the zonal index, using an idealized model of fluctuations in the eddy-driven jet. When the ...
Stochastic Parameterization Schemes for Use in Realistic Climate Models
Publisher: American Meteorological Society
Abstract: Stochastic parameterizations of fast-evolving, subgrid-scale processes are increasingly being used in a range of models from conceptual models to general circulation models. However, stochastic terms are generally included ...
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