Acoustic mine detection using the Navy's CASS-GRAB

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Author
Chu, Peter C.
Cintron, Carlos
Keenan, Ruth E.
Haeger, Steven D.
Date
2002Metadata
Show full item recordAbstract
The purpose of this work is to determine the
necessity of a near real time ocean modeling capability such as
the Naval Oceanographic Office’s (NAVOCEANO) Modular
Ocean Data Assimilation System (MODAS) model in shallow
water (such as the Yellow Sea) mine hunting applications
using the Navy’s Comprehensive Acoustic Simulation
System/Gaussian Ray Bundle (CASS/GRAB) model. Sound
speed profiles inputted into the CASS/GRAB were calculated
from observational and climatological data sets for different
seasons and regions of four different bottom types (sand,
gravel, mud, and rock). The CASS/GRAB model outputs
were compared to the outputs from corresponding MODAS
data sets. The results of the comparisons demonstrated in
many cases a significant acoustic difference between the
alternate profiles. These results demonstrated that there is a
need for a predictive modeling capability such as MODAS to
address the Mine Warfare (MIW) needs in the Yellow Sea
region. There were some weaknesses detected in the profiles
the MODAS model produces in the Yellow Sea, which must be
resolved before it can reliably address the MIW needs in that
region.
Description
Fifth International Symposium on Technology and Mine Problem, Society for Counter-Ordnance Technology, Monterey, in CD-Rom
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.Collections
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