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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...
On Phillips’Theory of Equilibrium Range in the Spectra of Wind-Generated Gravity Waves
Equilibrium Range Wind-Generated Gravity Waves
2009/3/24
Phillips' hypothesis concerning the equilibrium range in the spectrum of wind-generated surface waves in deep water can be expressed either in the frequency form S(ω)ω−5 or the wavenumber form (...
Pressure Fluctuations on the Open Ocean Floor Over a Broad Frequency Range:New Program and Early Results
Pressure Fluctuations Broad Frequency Range Open Ocean Floor
2009/2/19
A two-month ocean-floor pressure record obtained 330 km to the east of the main island of Hawaii by means of a Bourdon tube-type transducer with optical readout is discussed in detail. An approach to ...
Observations of Strongly Nonlinear Internal Motion in the Open Sea Using a Range-Gated Doppler Sonar
Strongly Nonlinear Internal Motion Open Sea Range-Gated Doppler Sonar
2009/2/13
A Doppler sonar has been developed at the Marine Physical Laboratory for the remote measurement of the upper ocean velocity field. The sonar transmits a 1° beam at 87.5 kHz, with 3 KW peak power. The ...
Normal Modes of the World Ocean. Part II:Description of Modes in the Period Range 8 to 80 Hours
World Ocean Period Range 8 80 Hours
2009/2/9
We have calculated normal modes with period between 8 and 80 h for a domain consisting of the Arctic, Atlantic, Indian and Pacific oceans. In this period range the numerical model has 56 modes, of whi...
On the Effects of Finite Depth on Wind-Wave Spectra:1. A Comparison with Deep-Water Equilibrium-Range Slope and Other Spectral Parameters
Wind-Wave Spectra Deep-Water
2009/2/7
Spectral parameters calculated from wind-wave measurements in a finite-depth restricted-fetch estuary are compared with similar deep-water parameters. The equilibrium range of these finite-depth spect...
Measurements of Gulf Stream Meandering and Evidence of Seasonal Thermocline Development Using Long-Range Acoustic Transmissions
Gulf Stream Meandering Seasonal Thermocline Development Long-Range Acoustic Transmissions
2009/2/6
Phase-coded signals with 60 rms resolution were transmitted twice weekly for several months from acoustic sources at 2000 m depth in the Sargasso Sea to three bottom-mounted receives designed as West,...
On the Theory of the Equilibrium Range in the Spectrum of Wind-Generated Gravity Waves
Equilibrium Range Wind-Generated Gravity Waves
2009/2/5
It is shown that an exact analog of Kolmogoroff's spectrum in a random field of weekly nonlinear surface gravity waves gives a spectral form for frequency spectra S(ω) ω−4 in close agreement wi...
Variability of Structure and Transport of the Florida Current in the Period Range of Days to Seasonal
Florida Current Period Range Seasonal
2009/1/6
Current measurements with five repeated moored arrays were carried out from April 1982 to June 1984 across the Florida Current between West Palm Beach and Grand Bahama Island; a reduced sixth array wa...
Implications of an f−4 Equilibrium Range for Wind-Generated Waves
f− 4 Equilibrium Range Wind-Generated Waves
2008/12/30
The existence of an f−5 equilibrium range was hypothesized for middle to high frequencies for a well-developed sea generated by the physical parameters of gross sea state in the pioneering work ...
The Dissipation Range of Wind-Wave Spectra Observed on a Lake
Wind-Wave Spectra deep water Dissipation Range
2008/12/27
Based on an interpretation of a field experiment it is argued that, due to breaking of wind waves in deep water, the dissipation of energy is restricted to a range of frequencies ω > ωg, much higher t...
Variability of Heat Content in the Central North Pacific in Summer 1987 Determined from Long-Range Acoustic Transmissions
Heat Content Long-Range Acoustic Transmissions Central North Pacific
2008/12/19
The evolution of the heat content in the central North Pacific Ocean during summer 1987 has been measured using acoustic transmissions between transceivers deployed in a triangle approximately 1000 km...
Barotropic and Baroclinic Tides in the Central North Pacific Ocean Determined from Long-Range Reciprocal Acoustic Transmissions
Baroclinic Tides Central North Pacific Ocean
2008/12/11
Travel times of reciprocal 1000-km range acoustic transmissions, determined from the 1987 Reciprocal Tomography Experiment, are used to study barotropic tidal currents and a large-scale, coherent baro...
Horizontal Structure of the Upper Ocean Velocity and Density Fields in the Western Equatorial Pacific Warm Pool: Depth Range from 20 to 250 m
Horizontal Structure Upper Ocean Velocity Density Fields Western Equatorial Pacific
2008/6/30
Wavenumber spectra of velocity and density fields in the western equatorial Pacific warm pool on scales 6–120 km are estimated using the shipboard survey data collected during the TOGA Coupled Ocean–A...