Search Results - "Zabotin, Nikolay A."

Atmospheric resonances and their coupling to vibrations of the ground and waves in the ocean by Godin, Oleg A., Zabotin, Nikolay A., Zabotina, Liudmila

“…Observations of the ionosphere with the airglow, GPS-TEC, and HF radar techniques reveal a resonant response of the middle and upper atmosphere to broad-band…”
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Power spectra of infragravity waves in a deep ocean by Godin, Oleg A., Zabotin, Nikolay A., Sheehan, Anne F., Yang, Zhaohui, Collins, John A.

“…Infragravity waves (IGWs) play an important role in coupling wave processes in the ocean, ice shelves, atmosphere, and the solid Earth. Due to the paucity of…”
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Characterizing the seabed in the Straits of Florida by using acoustic noise interferometry and time warping by Tan, Tsu Wei, Godin, Oleg A., Brown, Michael G., Zabotin, Nikolay A.

“…Interferometry of ambient and shipping noise in the ocean provides a way to estimate physical parameters of the seafloor and the water column in an…”
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Resonance vibrations of the Ross Ice Shelf and observations of persistent atmospheric waves by Godin, Oleg A., Zabotin, Nikolay A.

“…Recently reported lidar observations have revealed a persistent wave activity in the Antarctic middle and upper atmosphere that has no counterpart in…”
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Oceans are a major source of waves in the thermosphere by Zabotin, Nikolay A., Godin, Oleg A., Bullett, Terence W.

“…Recent theoretical analysis by Godin et al. (2015) led to the suggestion that infragravity waves (IGWs, i.e., surface gravity waves in the ocean with periods…”
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Atmospheric Wave Radiation by Vibrations of an Ice Shelf by Godin, Oleg A., Zabotin, Nikolay A., Zabotina, Liudmila

“…Lidar and radar observations of persistent atmospheric wave activity in the Antarctic atmosphere motivate investigation of generation of acoustic‐gravity waves…”
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Ocean tomography with acoustic daylight by Godin, Oleg A., Zabotin, Nikolay A., Goncharov, Valery V.

“…Ambient noise in the ocean provides acoustic illumination, which can be used, similarly to daylight in the atmosphere, to visualize objects and characterize…”
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Acoustic-gravity waves in the atmosphere generated by infragravity waves in the ocean by Godin, Oleg A, Zabotin, Nikolay A, Bullett, Terence W

“…Infragravity waves are surface gravity waves in the ocean with periods longer than approximately 30 s. Infragravity waves propagate transoceanic distances and,…”
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Acoustic Green's function extraction from ambient noise in a coastal ocean environment by Brown, Michael G., Godin, Oleg A., Williams, Neil J., Zabotin, Nikolay A., Zabotina, Liudmila, Banker, Geoffrey J.

“…We report on the results of an underwater acoustic field experiment conducted in December 2012 on the continental shelf off the Florida Keys in water of…”
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Mean spectral characteristics of acoustic gravity waves in the thermosphere‐ionosphere determined from Dynasonde data by Negrea, Cătălin, Zabotin, Nikolay A.

“…Wave‐like disturbances have been observed in the ionospheric plasma for several decades using a wide range of remote sensing techniques. In this paper, the use…”
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Physical mechanisms associated with long-range propagation of the signals from ionospheric heating experiments by Zabotin, Nikolay A., Zavorotny, Valery U., Rietveld, Michael T.

“…Long‐range propagation of heater‐produced signals has been studied in experiments with the European Incoherent Scatter Scientific Association ionospheric…”
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Interferometry of infragravity waves off New Zealand by Godin, Oleg A., Zabotin, Nikolay A., Sheehan, Anne F., Collins, John A.

“…Wave interferometry is a remote sensing technique, which is increasingly employed in helioseismology, seismology, and acoustics to retrieve parameters of the…”
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Passive acoustic measurement of flow velocity in the Straits of Florida by Godin, Oleg A, G Brown, Michael, Zabotin, Nikolay A, Zabotina, Liudmila Y, Williams, Neil J

“…Group speed of sound in moving fluids depends on the propagation direction, which breaks acoustic reciprocity. Acoustic nonreciprocity provides a means to…”
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Acoustic resonances of atmospheric oscillations by Godin, Oleg A., Zabotin, Nikolay A., Zabotina, Liudmila

“…Atmosphere responds in a resonant way to broad-band excitation by earthquakes, volcano eruptions, and convective storms. Energetic oscillations, known as…”
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Ocean remote sensing with acoustic daylight: Lessons from experiments in the Florida Straits by Brown, Michael G., Godin, Oleg A., Zang, Xiaoqin, Zabotin, Nikolay A., Zabotina, Liudmila Y.

“…Ambient and shipping noise in the ocean provides acoustic illumination, which can be used, similarly to daylight in the atmosphere, to characterize the…”
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Acoustic wavefront tracing in range-dependent ocean by Godin, Oleg A., Zabotin, Nikolay A.

“…It has been established experimentally and confirmed by numerical simulations that early arrivals of acoustic waves at long-range propagation in a deep ocean…”
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Waveform inversion of ambient noise cross-correlation functions in a coastal ocean environment by Zang, Xiaoqin, Brown, Michael G., Williams, Neil J., Godin, Oleg A., Zabotin, Nikolay A., Zabotina, Liudmila

“…Approximations to Green's functions have been obtained by cross-correlating concurrent records of ambient noise measured on near-bottom instruments at 5 km…”
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Retrieval of deterministic ray travel times from noise cross-correlations by Godin, Oleg A., Zabotin, Nikolay A.

“…Two-point correlation functions of diffuse wave fields are known to approximate the deterministic Green’s functions that describe wave propagation between the…”
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Acoustic noise interferometry in the Straits of Florida at 600 m depth: Preliminary results by Brown, Michael G., Williams, Neil J., Zang, Xiaoqin, Godin, Oleg A., Zabotin, Nikolay A., Zabotina, Ludmilla

“…A field experiment designed to test the feasibility of noise interferometry was conducted in the Florida Straits in September/October 2013 in water of…”
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Acoustic noise interferometry in the Straits of Florida at 100 m depth: A mode-based interpretation by Brown, Michael G., Williams, Neil J., Banker, Geoffrey, Godin, Oleg A., Zabotin, Nikolay A., Zabotina, Ludmilla

“…A field experiment designed to test the feasibility of noise interferometry was conducted in the Florida Straits in December 2012 in water of approximately 100…”
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