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Browsing by Author "Udovydchenkov, Ilya A."

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Browsing by Author "Udovydchenkov, Ilya A."

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  • Stephen, Ralph A.; Bolmer, S. Thompson; Udovydchenkov, Ilya A.; Dzieciuch, Matthew A.; Worcester, Peter F.; Andrew, Rex K.; Mercer, James A.; Colosi, John A.; Howe, Bruce M. (Woods Hole Oceanographic Institution, 2012-12)
    This report gives an overview of the analysis that was done on Deep Seafloor Arrivals since they were initially presented in Stephen et al (2009). All of the NPAL04/LOAPEX (North Pacific Acoustic Laboratory, 2004/ Long ...
  • Udovydchenkov, Ilya A.; Stephen, Ralph A.; Duda, Timothy F.; Bolmer, S. Thompson; Worcester, Peter F.; Dzieciuch, Matthew A.; Mercer, James A.; Andrew, Rex K.; Howe, Bruce M. (Acoustical Society of America, 2012-10)
    Data collected during the 2004 Long-range Ocean Acoustic Propagation Experiment provide absolute intensities and travel times of acoustic pulses at ranges varying from 50 to 3200 km. In this paper a subset of these data ...
  • Stephen, Ralph A.; Bolmer, S. Thompson; Udovydchenkov, Ilya A.; Worcester, Peter F.; Dzieciuch, Matthew A.; Andrew, Rex K.; Mercer, James A.; Colosi, John A.; Howe, Bruce M. (Acoustical Society of America, 2013-10)
    Ocean bottom seismometer observations at 5000 m depth during the long-range ocean acoustic propagation experiment in the North Pacific in 2004 show robust, coherent, late arrivals that are not readily explained by ocean ...
  • Udovydchenkov, Ilya A.; Brown, Michael G.; Duda, Timothy F.; Mercer, James A.; Andrew, Rex K.; Worcester, Peter F.; Dzieciuch, Matthew A.; Howe, Bruce M.; Colosi, John A. (Acoustical Society of America, 2012-06)
    The results of mode-processing measurements of broadband acoustic wavefields made in the fall of 2004 as part of the Long-Range Ocean Acoustic Propagation Experiment (LOAPEX) in the eastern North Pacific Ocean are reported ...
  • Udovydchenkov, Ilya A.; Rypina, Irina I.; Brown, Michael G. (Acoustical Society of America, 2010-04-07)
    The discrete form of the mode filtering problem is considered. The relevant equations constitute a linear inverse problem. Solutions to problems of this type are subject to a well-known trade-off between resolution and ...
  • Udovydchenkov, Ilya A.; Duda, Timothy F.; Doney, Scott C.; Lima, Ivan D. (Acoustical Society of America, 2010-08-19)
    Possible future changes of ambient shipping noise at 0.1–1 kHz in the North Pacific caused by changing seawater chemistry conditions are analyzed with a simplified propagation model. Probable decreases of pH would cause ...
  • Stephen, Ralph A.; Bolmer, S. Thompson; Udovydchenkov, Ilya A.; Worcester, Peter F.; Dzieciuch, Matthew A.; Van Uffelen, Lora J.; Mercer, James A.; Andrew, Rex K.; Buck, Linda J.; Colosi, John A.; Howe, Bruce M. (Woods Hole Oceanographic Institution, 2008-12)
    These notes provide supporting information for a JASA (Journal of the Acoustical Society of America) LttE (Letter to the Editor) manuscript, "Deep seafloor arrivals: A new class of arrivals in long-range ocean acoustic ...
  • Udovydchenkov, Ilya A.; Brown, Michael G.; Duda, Timothy F. (Acoustical Society of America, 2012-05-25)
    Motivated by measurements made in the 2004 Long-Range Ocean Acoustic Propagation Experiment (LOAPEX), the problem of mode processing transient acoustic signals collected on two nearby vertical line arrays is considered. ...
  • Udovydchenkov, Ilya A.; Brown, Michael G.; Duda, Timothy F.; Worcester, Peter F.; Dzieciuch, Matthew A.; Mercer, James A.; Andrew, Rex K.; Howe, Bruce M.; Colosi, John A. (Acoustical Society of America, 2013-10)
    The propagation of weakly dispersive modal pulses is investigated using data collected during the 2004 long-range ocean acoustic propagation experiment (LOAPEX). Weakly dispersive modal pulses are characterized by weak ...
  • Beron-Vera, F. J.; Brown, Michael G.; Olascoaga, M. J.; Rypina, Irina I.; Kocak, H.; Udovydchenkov, Ilya A. (American Meteorological Society, 2008-10)
    The connection between transport barriers and potential vorticity (PV) barriers in PV-conserving flows is investigated with a focus on zonal jets in planetary atmospheres. A perturbed PV staircase model is used to illustrate ...

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