Award Abstract #0215670
Development and Testing of a Deep-Water, Acoustically-Linked, Moored-Buoy Seafloor Observatory

NSF Org:	OCE Division of Ocean Sciences
Initial Amendment Date:	September 5, 2002
Latest Amendment Date:	July 25, 2005
Award Number:	0215670
Award Instrument:	Continuing grant
Program Manager:	Kandace S. Binkley OCE Division of Ocean Sciences GEO Directorate for Geosciences
Start Date:	September 1, 2002
Expires:	August 31, 2007 (Estimated)
Awarded Amount to Date:	$1085418
Investigator(s):	Robert Detrick rdetrick@whoi.edu (Principal Investigator) Daniel Frye (Co-Principal Investigator) John Collins (Co-Principal Investigator) Lee Freitag (Co-Principal Investigator)
Sponsor:	Woods Hole Oceanographic Institution 183 OYSTER POND ROAD WOODS HOLE, MA 02543 508/289-2462
NSF Program(s):	OCEANOGRAPHIC INSTRUMENTATION, OCEAN TECH & INTERDISC COORDIN
Field Application(s):	0204000 Oceanography
Program Reference Code(s):	OTHR, 1189, 0000
Program Element Code(s):	5413, 1680

ABSTRACT

0215670

Detrick

This Major Research Instrumentation award to Woods Hole Oceanographic Institution in Massachusetts provides funds to develop and test a prototype deep-water, acoustically-linked, moored-buoy seafloor observatory. The system will consist of a discus buoy on a single-point, deep-water mooring, equipped with a satellite link for 2-way communication to shore and a high-speed acoustic modem for 2-way communication with sensors on the seafloor and on the mooring itself. The suite of sensors, at two seafloor nodes, will include an ocean bottom seismograph (OBS), an acoustic current profiler (ADCP), hydrothermal flow meters with associated temperature, chemical and pressure sensors and a conductivity-temperature-depth (CTD) instrument. All will be interfaced to two acoustic modems, and they will transmit data to the surface buoy of the mooring, from which they will be transmitted daily to shore together with meteorological data from sensors on the surface buoy and current meter data from instruments installed on the mooring. The mooring will be deployed for a 15-month demonstration project in the vicinity of the Nootka Fault, where complementary observatory experiments will be carried out under separate support from the Keck Foundation. The project is supported by the Division of Ocean Sciences at NSF. Cost-share support from non-federal funds will be provided for approximately 30% of total project costs.

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PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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D. Frye, J. Ware, M. Grund, J. Partan, P. Koski, S. Singh, L. Freitag, J. Collins, R. Detrick.  "An Acoustically-Linked Deep-Ocean Observatory,"  Proceedings Oeans'Europe 2005,  2005, 

D. Frye, L. Freitag, R. Detrick, J. Collins, J. Delaney, D. Kelley, A. LaBonte, and K. Brown.  "An Acoustically Linked Moored-Buoy Ocean Observatory,"  EOS, Transactions, American Geophysical Union,  v.87,  2006,  p. 213.

J. Ware, M. Grund, S. Liberatore, S. Faluotico.  "A Solar Powered Ocean Observatory Using Acoustic and Iridium Links,"  Proceedings Oceans'2005,  2005, 


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