STTR S-DUCT Acoustics 2019 (Phase I Option)

Detection Rate Improvements Through Understanding and Modeling Ocean Variability:
Surface Dynamic Uncertainty Characterization and Transfer (S-DUCT)

2019 Phase I Option Acoustics

P.F.J. Lermusiaux, P.J. Haley,
C. Mirabito, W.H. Ali
Massachusetts Institute of Technology
Center for Ocean Engineering
Mechanical Engineering
Cambridge, Massachusetts

P. Abbot, C. Emerson
OASIS, Inc.

C.-S. Chiu
Naval Postgraduate School

S-DUCT Project Main Research Page

This research is sponsored by NAVAIR.

MAC DG-3 – MSEAS Sound Speed and TL Predictions

(Top left) Source and receiver positions overlaid on bathymetry (m)
(Top right) 30m sound speed (cm/s) at 16Z on June 30, 2009, as simulated by MSEAS
(Bottom left) Sound speed along Section A-H (from top left figure)
(Bottom right) Parabolic equation transmission loss contour for along Section A-H (from top left figure)

MAC DG-3 – MSEAS Transmission Loss Predictions

(Top left) Source and receiver positions overlaid on bathymetry (m)
Transmission loss predictions for along Section A-C (top right), A-D (bottom left), and A-F (bottom right)

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