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The problem of geostrophic adjustment, originally considered by C.G. Rossby, is solved in an axisymmetric geometry for a continuously stratified fluid, where the adjusted final state is in hydrostatic...
Ideal-Fluid Thermocline with Weakly Convective Adjustment in a Subpolar Basin
Fluid Thermocline Convective Adjustment Subpolar Basin
2009/1/5
The ideal-fluid thermocline with continuous stratification is extended to include a weakly convective adjustment process taking place in a subpolar basin. The convective adjustment creates a well-mixe...
Aspects of Geostrophic Adjustment during Tropical Ocean Data Assimilation
Tropical Ocean Data Assimilation Geostrophic Adjustment
2008/12/30
Subsurface temperature data from the ship-of-opportunity network in the tropical Pacific Ocean was assimilated into a simple reduced-gravity model. A large initialization shock was found to occur in t...
A geostrophic adjustment model is used to find out how water can cross the equator, and how far it can reach, while conserving its potential vorticity, in the context of geostrophic adjustment. A seri...
Trade Adjustment Assistance：A Case of Government Failure
Trade Adjustment Assistance trade liberalization Government Failure
2008/12/17
The Trade Adjustment Assistance (TAA) program for workers, from
its inception in 1962 to its restructuring in 1981, offers an interesting
case of government failure. Intended to provide workers with...
Energetics of Gravitational Adjustment for Mesoscale Chimneys
Gravitational Adjustment Mesoscale Chimneys energy flux
2008/12/17
The rates of energy flux out of newly formed circular patches of dense water (chimneys) are considered as a function of patch size on an f plane. The dense fluid resulting from a rapid deep convective...
Geostrophic Adjustment and Restratification of a Mixed Layer with Horizontal Gradients above a Stratified Layer
Geostrophic Adjustment Horizontal Gradients Mixed Layer Stratified Layer
2008/12/12
The restratification of a mixed layer with horizontal density gradients above a stratified layer is considered. Solutions are obtained on the assumption that the width across this front is much larger...
Rossby Adjustment over a Slope in a Homogeneous Fluid
Homogeneous Fluid discontinuous depth change Rossby Adjustment
2008/12/10
The adjustment of ocean currents initially travelling over a topographic change in depth has previously been investigated in the limit of a discontinuous depth change. The present work is an extension...
Adjustment to JEBAR Forcing in a Rotating Ocean
nondimensional surface density Rotating Ocean Numerical simulations
2008/12/9
The transient response to JEBAR forcing is investigated theoretically. Expressing the response by the surface elevation, weighted by the nondimensional surface density, it is demonstrated that this pa...
Convective Adjustment and Thermohaline Excitability
Thermohaline Excitability flip–flop model
2008/12/9
Welander's flip–flop model exhibits oscillations when forced by stochastic white noise (with zero mean) even in the region of parameters where the deterministic system has a globally stable fixed poin...
Time-Dependent Fully Nonlinear Geostrophic Adjustment
Fully Nonlinear Time-Dependent Shock-capturing numerical methods
2008/11/26
Shock-capturing numerical methods are employed to integrate the fully nonlinear, rotating 1D shallow-water equations starting from steplike nongeostrophic initial conditions (a Rossby adjustment probl...
The evolution of a steady stratified along-isobath current flowing cyclonically (shallower water on the right looking downstream) over a sloping frictional bottom is examined using an idealized model....
Multiple Equilibria in Ocean Models as a Side Effect of Convective Adjustment
Ocean Models Convective Adjustment Side Effect
2008/10/29
Multiple equilibria under identical surface forcing have been found in a model for the thermohaline circulation of the ocean (THC). The equilibria are characterized by different convective patterns. W...
Interdecadal Variability in a Zonally Averaged Ocean Model: An Adjustment Oscillator
Zonally Averaged Ocean Model Oscillator Interdecadal Variability
2008/10/28
A meridional-plane, hemispherical ocean model is developed to study interdecadal variability of the thermohaline circulation (THC). The model differs from previous formulations of zonally averaged oce...
The time dependence of the ventilated thermocline is examined via analytical and numerical means. The original Henderschott model is modified such that the outcrops all occur on the same geopotential ...