Boundary 2001 REA: Model-data comparison at the Stratform and Scotian Shelf sites using GSM and manual fits to the reverberation data

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Authors
  1. Ellis, D.D.
  2. Preston, J.R.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
During the Boundary 2001 experiment, long-range reverberation data were collected on several SACLANTCEN towed horitonal line arrays. This report uses some of that data, and compares it with model prediction from the Generic Sonar Model. To achieve the agreement, the bottom loss and scattering functions were manually adjusted to produce a reasonable fit to the data. All the work was conducted at sea during the trial period, so the results can be considered the output from a REA (Rapid Environmental Assesment) exercise, similar to the approach used by Ellis et al. (SACLANTCEN Report SR-280, 2000) in the NATO REA exercise Rapid Response. The estimates can now be compared with other results from the experiment, namely direct scattering measurements, and more sophisticated inversion techniques such as simulated annealing.
Keywords
Bottom properties;Buried reflectors;Geoacoustic data;LFAS (Low Frequency Active Sonar);Seabeds;GSM (Generic Sonar Model)
Report Number
DREA-TM-2001-185-PAP-17 — Technical Memorandum
Date of publication
01 Oct 2001
Number of Pages
10
DSTKIM No
CA020438
CANDIS No
517164
Format(s):
Hardcopy;Document Image stored on Optical Disk

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