Shallow-water bottom reverberation measurements

Author

Stanic, Steve ; Goodman, Ralph R. ; Briggs, Kevin B. ; Chotiros, Nicholas P. ; Kennedy, Edgar T.

Author_Institution

Naval Res. Lab., Stennis Space Center, MS, USA

Volume

23

Issue

3

fYear

1998

fDate

7/1/1998 12:00:00 AM

Firstpage

203

Lastpage

210

Abstract

High-frequency bottom reverberation measurements were made at an experimental site in the Gulf of Mexico. The acoustic data were taken as a function of frequency (40-180 kHz) and grazing angle (40-33°). The measured acoustic reverberation results are compared to predictions made by models developed by Jackson et al. (1986, 1996) and Boyle and Chotiros (1995). The models used inputs from the analysis of sediment cores and stereophotography. The model predictions show differences from each other and from the data. The results show reverberation-level variabilities as a function of frequency that cannot be accurately predicted by these models

Keywords

backscatter; oceanographic regions; reverberation; seafloor phenomena; sediments; ultrasonic scattering; underwater sound; 40 to 180 kHz; Gulf of Mexico; HF bottom reverberation measurements; acoustic reverberation; covariance analysis; frequency dependence; grazing angle dependence; model predictions; reverberation-level variabilities; scattering parameters; sediment cores; shallow-water bottom reverberation; stereophotography; underwater acoustics; Acoustic measurements; Acoustic scattering; Frequency; Laboratories; Oceans; Predictive models; Reverberation; Sea floor; Sea measurements; Sediments;

fLanguage

English

Journal_Title

Oceanic Engineering, IEEE Journal of

Publisher

ieee

ISSN

0364-9059

Type

jour

DOI

10.1109/48.701192

Filename

701192