georges bank gulf of maine sbnms acoustic research in the stellwagen bank nms d. wiley & l....
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Georges Bank
Gulf of MaineSBNMS
Acoustic Research in the Stellwagen Bank NMS
D. Wiley & L. Hatch
Stellwagen Bank National Marine Sanctuary175 Edward Foster Rd., Scituate, MA
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Three Integrated Projects
•Autonomous Recording Units (ARUs) to monitor sound Collaboration with Cornell Univ. (C. Clark), Marine Acoustics Inc. (B. Ellison) & NMFS (R. Merrick & S. Van Parijs)
•DTAG to track whale behavior underwaterCollaboration with WHOI (P. Tyack & M. Johnson), UNH (C. Ware), Duke U (A. Friedlaender) , UH (A. Stimpert) & WCNE (M. Weinrich)
•Automatic Ident. Sys. (AIS) to monitor and track shipsCollaboration with USCG-RD (D. Pietraszewski), NMFS (R. Merrick, D. Gouveia and G. Silber) & UNH (K. Schwehr)
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perotsystems®
Noise MonitoringARU
Deployment Design1/2005 – 1/2006
85%Coverage
85%Coverage
•Continuous recording from 5 to 1000Hz
•Capable of receiving whale calls between 5 to 10nm from units
•Deployment duration of 3 months – (total 12 months)
•Acoustic release
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RWSAS vs Acoustic Comparison: March, 2006
Mar 30, 2006
Mar 24, 2006Mar 2, 2006
116 total
127 total
1092 total
98 total
313 total
823 total
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Figure credit: Dimitri Ponirakis, Bioacoustics Research Program, Cornell University
Right whale up-call
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Monitoring Vessel Traffic
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Acoustic footprints of a (a) general cargo ship (b) NOAA research vessel at their closest points of approach to a recording unit in the shipping lane departing Boston.
ShipAnalysis
Band (Hz)MAX SL(t)
(dB re: 1μPa)
SL_mid(dB re: 1μPa)
(RMS RL & interpolated
middle-range)
120 dB Range (m)MAX SL(t)
120 dB Range (m)
SL_mid
160 dB Range (m)MAX SL(t)
160 dB Range (m)
SL_mid
Berge-Everett 89.1 - 355 181.30 176.23 12213.98 5607.43 26.31 12.08
Berge-Everett 89.1 - 355 180.14 174.04 29558.71 7285.28
Delaware2 89.1 - 355 172.14 161.50 2991.50 584.29 6.45 1.26
Delaware2 89.1 - 355 175.61 165.06 6665.25 637.36
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DTAG
Map Underwater Behavior of Whales
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GeoZui4D: UNH, WHOI, Stellwagen Bank Sanctuary
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Acoustic Integration Model: Marine Acoustics, Inc, CU, Stellwagen Sanctuary
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120db 105,199 Baleen Whales
1,299 Right Whales
160db 145 Baleen Whales
2 Right Whales
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120db 38,983 Baleen Whales
678 Right Whales
160db 145 Baleen Whales
1 Right Whales
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Shipping Lane
Spatial Distribution of Shipping Traffic in the Stellwagen Bank NMS:
April/May 2006
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Monitoring during LNG Port Operation:
1) Notifying LNG carriers of acoustically-detected whales to prevent ship strikes
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Monitoring during LNG
Port Operation:
1) Monitoring the port’s acoustic footprint
2) Monitoring the distributions of vocally-active species
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Collaborators
Duke University Marine Lab
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Financial Support