Department of Ocean EngineeringDepartment of Ocean Engineering

SW06 Modal Mapping Experiment SW06 Modal Mapping Experiment (MOMAX) Overview(MOMAX) Overview

George V. Frisk

Department of Ocean Engineering

Florida Atlantic University

Dania Beach, Florida 33004

Cynthia J. Sellers

Dept. of Applied Ocean Physics and Engineering

Woods Hole Oceanographic Institution

Woods Hole, MA 02543

Department of Ocean EngineeringDepartment of Ocean Engineering

MOMAX Experimental ConfigurationMOMAX Experimental Configuration

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

SW06 MOMAX DataSW06 MOMAX Data

CW transmissions at 50, 75, 125, and 175 Hz CW transmissions at 50, 75, 125, and 175 Hz

– – Drifting source at 60 m depthDrifting source at 60 m depth

– – Data received on 4 drifting MOMAX buoys, each Data received on 4 drifting MOMAX buoys, each having hydrophones at 40 m and 43 m having hydrophones at 40 m and 43 m

depthsdepths

– – Data received on moored, 8-channel Webb Data received on moored, 8-channel Webb vertical line vertical line arrayarray

Temperature measurements obtained on Temperature measurements obtained on

– – Source stringSource string

– – 4 drifting MOMAX buoys4 drifting MOMAX buoys

– – Webb vertical line arrayWebb vertical line array

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Channel Cross SectionChannel Cross Section

10-20 m

200-400 m

1700-1780 m/s

1650-1710 m/s

1740-1780 m/s

1780-1820 m/s

1650-1680 m/s

1760 m/s

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Department of Ocean EngineeringDepartment of Ocean Engineering

Data Needed, Potential Collaborators, & PapersData Needed, Potential Collaborators, & Papers

Data Needed- Data Needed- All relevant acoustic and environmental All relevant acoustic and environmental data in the SW06 MOMAX area data in the SW06 MOMAX area

Acoustics- Acoustics- Kyle Becker, Ross Chapman, Harry DeFerrari, Kyle Becker, Ross Chapman, Harry DeFerrari, Bill Hodgkiss, David Knobles, Jim LynchBill Hodgkiss, David Knobles, Jim Lynch

Geoacoustics- Geoacoustics- John Goff, Altan TurgutJohn Goff, Altan Turgut

Physical Oceanography- Physical Oceanography- Tim Duda, Glen Tim Duda, Glen Gawarkiewicz, Scott Glenn, Frank Henyey, Jim Moum, Gawarkiewicz, Scott Glenn, Frank Henyey, Jim Moum, Jonathan NashJonathan Nash

Papers- Papers- The effects of lateral variability in the seabed The effects of lateral variability in the seabed and water column on low-frequency propagation and and water column on low-frequency propagation and geoacoustic inversiongeoacoustic inversion