Search Results - "COLOSI, John A"

Acoustic travel-time variability observed on a 150-km radius tomographic array in the Canada Basin during 2016–2017 by Worcester, Peter F., Dzieciuch, Matthew A., Vazquez, Heriberto J., Cornuelle, Bruce D., Colosi, John A., Krishfield, Richard A., Kemp, John N.

“…The Arctic Ocean is undergoing dramatic changes in response to increasing atmospheric concentrations of greenhouse gases. The 2016–2017 Canada Basin Acoustic…”
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Nutricline adjustment by internal tidal beam generation enhances primary production in idealized numerical models by Jacobsen, Jasen R., Edwards, Christopher A., Powell, Brian S., Colosi, John A., Fiechter, Jerome

“…When the barotropic tide encounters variable bathymetry, fluctuating flow along a topographic slope generates baroclinic tides, or internal tides. There is…”
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Seasonal evolution of upper-ocean horizontal structure and the remnant mixed layer by Cole, Sylvia T., Rudnick, Daniel L., Colosi, John A.

“…We discuss the seasonal evolution of upper‐ocean thermohaline structure at small horizontal scales. The upper 350 m of a 1000 km long section in the…”
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Sensitivity of mixed layer duct propagation to deterministic ocean features by Colosi, John A., Zinicola-Lapin, William

“…Here, the problem of mode coupling in a mixed layer (ML) surface duct is considered where the coupling is induced by deterministic upper ocean features such as…”
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Observations of ocean spice and isopycnal tilt sound-speed structures in the mixed layer and upper ocean and their impacts on acoustic propagation by Richards, Edward L., Colosi, John A.

“…A 400-m deep and 970 km long conductivity, temperature, depth section in the Northeast Pacific Ocean is decomposed into sound-speed variations associated with…”
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Observations of upper ocean sound-speed structures in the North Pacific and their effects on long-range acoustic propagation at low and mid-frequencies by Colosi, John A., Rudnick, Daniel L.

“…Three 1000-km long, high resolution conductivity, temperature, depth sections in the North Pacific Ocean obtained by the ship towed vehicle SeaSoar are…”
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Sound Propagation through the Stochastic Ocean: Rebuttal to June 2017 JASA Book Review by Colosi, John A.

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A seminal paper linking ocean acoustics and physical oceanography by Colosi, John A., Worcester, Peter F.

“…The Reflections series takes a look back on historical articles from The Journal of the Acoustical Society of America that have had a significant impact on the…”
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A reformulation of the Λ-Φ diagram for the prediction of ocean acoustic fluctuation regimes by Colosi, John A

“…The Λ-Φ diagram was a tool introduced in the late 1970s to predict ocean acoustic fluctuation regimes termed unsaturated, partially saturated, and fully…”
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Observations of sound-speed fluctuations in the Beaufort Sea from summer 2016 to summer 2017 by Kucukosmanoglu, Murat, Colosi, John A, Worcester, Peter F, Dzieciuch, Matthew A, Torres, Daniel J

“…Due to seasonal ice cover, acoustics can provide a unique means for Arctic undersea communication, navigation, and remote sensing. This study seeks to quantify…”
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Using long-range transmissions in the Beaufort Gyre to test the sound-speed equation at high pressure and low temperature by Vazquez, Heriberto J., Cornuelle, Bruce D., Worcester, Peter F., Dzieciuch, Matthew A., Colosi, John A., Nash, Jonathan D.

“…An ocean acoustic tomography array with a radius of 150 km was deployed in the central Beaufort Gyre during 2016–2017 for the Canada Basin Acoustic Propagation…”
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Observations of nonlinear internal waves on the outer New England continental shelf during the summer Shelfbreak Primer study by Colosi, John A., Beardsley, Robert C., Lynch, James F., Gawarkiewicz, Glen, Chiu, Ching‐Sang, Scotti, Alberto

“…Observations are presented of nonlinear internal waves on the outer New England continental shelf during the summer Shelfbreak Primer study conducted between…”
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Temporal and spatial dependence of a yearlong record of sound propagation from the Canada Basin to the Chukchi Shelf by Ballard, Megan S, Badiey, Mohsen, Sagers, Jason D, Colosi, John A, Turgut, Altan, Pecknold, Sean, Lin, Ying-Tsong, Proshutinsky, Andrey, Krishfield, Richard, Worcester, Peter F, Dzieciuch, Matthew A

“…The Pacific Arctic Region has experienced decadal changes in atmospheric conditions, seasonal sea-ice coverage, and thermohaline structure that have…”
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Equations for normal-mode statistics of sound scattering by a rough elastic boundary in an underwater waveguide, including backscattering by Morozov, Andrey K., Colosi, John A.

“…Underwater sound scattering by a rough sea surface, ice, or a rough elastic bottom is studied. The study includes both the scattering from the rough boundary…”
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Beaufort Sea observations of 11 to 12.5 kHz surface pulse reflections near 50 degree grazing angle from summer 2016 to summer 2017 by Kucukosmanoglu, Murat, Colosi, John A, Worcester, Peter F, Dzieciuch, Matthew A, Olson, Derek R, Richards, Edward L, Miller, Christopher W

“…Sea-surface acoustic scattering is investigated using observations from the 2016-2017 Canada Basin Acoustic Propagation Experiment. The motions of the…”
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Observations of the space/time scales of Beaufort sea acoustic duct variability and their impact on transmission loss via the mode interaction parameter by Kucukosmanoglu, Murat, Colosi, John A., Worcester, Peter F., Dzieciuch, Matthew A., Sagen, Hanne, Duda, Timothy F., Zhang, Weifeng Gordon, Miller, Christopher W., Richards, Edward L.

“…The Beaufort duct (BD) is a subsurface sound channel in the western Arctic Ocean formed by cold Pacific Winter Water (PWW) sandwiched between warmer Pacific…”
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On horizontal coherence estimates from path integral theory for sound propagation through random ocean sound-speed perturbations by Colosi, John A

“…Previously published results from path integral theory for the horizontal coherence length utilized an empirical relation for the phase structure function…”
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High frequency normal mode statistics in a shallow water waveguide: the effect of random linear internal waves by Raghukumar, Kaustubha, Colosi, John A

“…Using transport theory and Monte Carlo numerical simulation, the statistical properties of mode propagation at a frequency of 1 kHz are studied in a shallow…”
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High-frequency normal-mode statistics in shallow water: the combined effect of random surface and internal waves by Raghukumar, Kaustubha, Colosi, John A

“…In an earlier article, the statistical properties of mode propagation were studied at a frequency of 1 kHz in a shallow water environment with random…”
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Observations of phase and intensity fluctuations for low-frequency, long-range transmissions in the Philippine Sea and comparisons to path-integral theory by Colosi, John A., Cornuelle, Bruce D., Dzieciuch, Matthew A., Worcester, Peter F., Chandrayadula, Tarun K.

“…In the Philippine Sea, from April 2010 to March 2011, a 330-km radius pentagonal acoustic transceiver array with a sixth transceiver in the center transmitted…”
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