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The choice of optimal Discrete Interaction Approximation to the kinetic integral for ocean waves
optimal Discrete Interaction kinetic integral ocean waves
2009/11/12
A lot of discrete configurations for the four-wave nonlinear interaction processes have been calculated and tested by the method proposed earlier in the frame of the concept of Fast Discrete Interacti...
Bore formation,evolution and disintegration into solitons in shallow inhomogeneous channels
Bore formation evolution disintegration shallow inhomogeneous channels
2009/11/12
The propagation of nonlinear surface waves in channels of smoothly variable in space cross section is studied theoretically and by means of numerical computations. The mathematical model describing wa...
Development of internal solitary waves in various thermocline regimes-a multi-modal approach
internal solitary waves various thermocline regimes multi-modal approach
2009/11/12
A numerical analysis is made on the appearance of oceanic internal solitary waves in a multi-modal setting. This is done for observed profiles of stratification from the Sulu Sea and the Bay of Biscay...
Coupling coefficients and kinetic equation for Rossby waves in multi-layer ocean
Coupling coefficients kinetic equation Rossby waves multi-layer ocean
2009/11/12
The kinetic description of baroclinic Rossby waves in multi-layer model ocean is analysed. Explicit analytical expressions for the coupling coefficients describing energy exchange intensity between di...
Statistics of locally coupled ocean and atmosphere intraseasonal anomalies in Reanalysis and AMIP data
locally coupled ocean atmosphere intraseasonal anomalies Reanalysis AMIP data
2009/11/12
We apply a simple dynamical rule to determine the dominant forcing direction in locally coupled ocean-atmosphere anomalies in the National Centers for Environmental Prediction/National Center for Atmo...
Lagrangian predictability of high-resolution regional models:the special case of the Gulf of Mexico
Lagrangian predictability high-resolution regional models special case Gulf of Mexico
2009/11/11
The Lagrangian prediction skill (model ability to reproduce Lagrangian drifter trajectories) of the nowcast/forecast system developed for the Gulf of Mexico at the University of Colorado at Boulder is...
Lagrangian velocity statistics of directed launch strategies in a Gulf of Mexico model
Lagrangian velocity statistics directed launch strategies Gulf of Mexico model
2009/11/11
The spatial dependence of Lagrangian displacement and velocity statistics is studied in the context of a data assimilating numerical model of the Gulf Mexico. In the active eddy region of the Western ...
Lagrangian characteristics of continental shelf flows forced by periodic wind stress
Lagrangian characteristics continental shelf flows periodic wind stress
2009/11/11
The coastal ocean may experience periods of fluctuating along-shelf wind direction, causing shifts between upwelling and downwelling conditions with responses that are not symmetric. We seek to unders...
Theoretical interpretation of fetch limited wind-drivensea observations
Theoretical interpretation fetch limited wind-drivensea observations
2009/11/11
We show that the results of major fetch limited field studies of wind-generated surface gravity waves on deep water can be explained in the framework of simple analytical model. The spectra measured i...
The results of theoretical and numerical study of the Hasselmann kinetic equation for deep water waves in presence of wind input and dissipation are presented. The guideline of the study: nonlinear tr...
Comparison of extended and ensemble based Kalman filters with low and high resolution primitive equation ocean models
Kalman filters low and high resolution primitive equation ocean models
2009/11/11
Kalman filters are widely used for data assimilation into ocean models. The aim of this study is to discuss the relevance of these filters with high resolution ocean models. This was investigated thro...
Bifurcation analysis of a paradigmatic model of monsoon prediction
Bifurcation analysis paradigmatic model monsoon prediction
2009/11/11
Local and global bifurcation structure of the forced Lorenz model in the r-F plane is investigated. The forced Lorenz model is a conceptual model for understanding the influence of the slowly varying ...
Statistical properties of nonlinear one-dimensional wave fields
Statistical properties nonlinear one-dimensional wave fields
2009/11/11
A numerical model for long-term simulation of gravity surface waves is described. The model is designed as a component of a coupled Wave Boundary Layer/Sea Waves model, for investigation of small-scal...
Non-linear complex principal component analysis of nearshore bathymetry
Non-linear complex principal component analysis nearshore bathymetry
2009/11/11
Complex principal component analysis (CPCA) is a useful linear method for dimensionality reduction of data sets characterized by propagating patterns, where the CPCA modes are linear functions of the ...
Ensemble Kalman filter assimilation of temperature and altimeter data with bias correction and application to seasonal prediction
Kalman filter assimilation temperature and altimeter data bias correction and application seasonal prediction
2009/11/9
To compensate for a poorly known geoid, satellite altimeter data is usually analyzed in terms of anomalies from the time mean record. When such anomalies are assimilated into an ocean model, the bias ...