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An Experimental Study of the Resonant Instability of an Internal Wave of Mode 3 Over a Range of Driving Frequencies
Resonant Instability Internal Wave Driving Frequencies
2009/3/26
An experimental study of the stability of a progressive internal wave of mode 3 propagating down a long tank filled with a linearly stratified salt solution is conducted over the range 0.45ω3/N0.80, w...
Internal Wave Spectra at the Buoyant and Inertial Frequencies
Internal Wave Spectra Buoyant Inertial Frequencies
2009/2/19
Spectra of the vertical displacement (potential energy) have been observed to be only slightly enhanced at the buoyancy frequency ω = N, whereas spectra of horizontal velocity u, v (kinetic energy) ar...
Low-Pass Filters to Suppress Inertial and Tidal Frequencies
Low-Pass Tidal Frequencies Suppress Inertial
2009/2/5
A systematic way is given to design digital filters which allow clear separation of signals with periods of a few days from noise of higher frequency, particularly tidal and inertial. Several examples...
Near-Surface Velocity Variability at Inertial and Subinertial Frequencies in the Vicinity of the California Current
Near-Surface Inertial Subinertial Frequencies California Current
2009/1/15
Observations of the horizontal velocity field in the upper 150 m, made from the Research Platform FLIP as it drifted of the coast of Baja California, were used to examine the velocity of the velocity ...
The Vertical Structure of Currents on the North West Shelf of Australia at Subtidal Frequencies
North West Shelf Australia Subtidal Frequencies
2009/1/12
An EOF analysis of current meter data collected on the North West Shelf of Australia (NWS) suggested that the major part of the low-frequency (subinertial) circulation on the shelf was wind force. The...
Large-Scale Coherence of Sea Level at Very Low Frequencies
Large-Scale Coherence Sea Level Very Low Frequencies
2009/1/9
The coherence of sea level is examined between a number of widely distributed stations chosen from those with the longest datasets, such as at San Francisco, where the data has been recorded since 185...
The Scattering at Low Frequencies of Coastally Trapped Waves
Low Frequencies Coastally Trapped Waves
2008/12/24
The scattering of coastally trapped waves is described in a particular low frequency limit where the fundamental results are independent of the relative importance of stratification and rotation in th...
Wind Forcing of the Atlantic Thermocline along 32°N at Low Frequencies
Wind Forcing Atlantic Thermocline Low Frequencies
2008/12/12
The Bermuda tide gauge record extends back to the early 1930s. That sea level fluctuations there are highly coherent with dynamic height from hydrographic data has two interesting implications. First,...
The Extension of Baroclinic Coastal-Trapped Wave Theory to Superinertial Frequencies
Baroclinic Coastal-Trapped Wave Superinertial Frequencies numerical resonance searching
2008/12/11
The problem of finding baroclinic coastal-trapped wave modes is generalized from subinertial to superinertial frequencies at which complete trapping can only occur in special cases. Modes are found by...
Coastal-Trapped Waves and Tides at Near-Inertial Frequencies
Coastal-Trapped Waves Tides Near-Inertial Frequencies
2008/7/30
The nature of the transition in coastal-trapped wave behavior from trapped, subinertial modes to imperfectly trapped, superinertial waves (not modes), is investigated. When formulated purely in terms ...