Mid-frequency sound propagation through internal waves at short range with synoptic oceanographic observations.
Preliminary results are presented from an analysis of mid-frequency acoustic transmission data collected at range 550 m during the Shallow Water 2006 Experiment. The acoustic data were collected on a vertical array immediately before, during, and after the passage of a nonlinear internal wave on 18 August, 2006. Using oceanographic data collected at a nearby location, a plane-wave model for the nonlinear internal wave's position as a function of time is developed. Experimental results show a new acoustic path is generated as the internal wave passes above the acoustic source.
Rouseff
Daniel
D
Tang
Dajun
D
Williams
Kevin L
KL
Wang
Zhongkang
Z
Moum
James N
JN
D000162:Acoustics; D019015:Geologic Sediments; D008962:Models, Theoretical; D009038:Motion; D017711:Nonlinear Dynamics; D009791:Oceanography; D009792:Oceans and Seas; D010865:Pilot Projects; D011825:Radar; D012815:Signal Processing, Computer-Assisted; D013016:Sound; D013018:Sound Spectrography; D013997:Time Factors