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Metadata
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ID
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L-5-81-NC
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Abstract
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Chief Scientists: Holly Wagner, Mike Field, Sam Clarke.
Geophysical data (3dot5khz, 12khz, magnetics, 24channel,
airgun, sonobuoy, uniboom, sidescansonar, dopplersonar,
integratednavigation, RhoRho, miniranger, transitsatellite,
gravitycore, airgunmonitor) of field activity L-5-81-NC in
Northern California from 05/20/1981 to 05/29/1981
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Chief Scientist
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Holly Wagner
Mike Field
Sam Clarke
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Activity Type
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Geophysical
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Platform
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Samuel Phillips Lee
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Area of Operation
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Northern California
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Location map
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Bounding Coordinates
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44.89112
-125.35293 -124.12861
40.72089
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Ports
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leave Eureka, CA
arrive Crescent City, CA
leave Crescent City, CA
arrive Newport, OR
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Dates
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05/20/1981 (JD 140) to 05/29/1981 (JD 149)
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Analog Materials
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list
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Index map
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Crew
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Anne Jennings
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Geologist
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Bob Hall
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Geologist
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Brian Edwards
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Geologist
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Carol Hirozawa
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Navigator
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Carol Madison
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Navigator
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Dave Melendrez
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Chief Mate
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Gordon Goodfellow
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Geologist
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Gordon Tanner
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Electronics Technician
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Greg Smith
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Geologist
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Holly Wagner
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Chief Scientist
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Jim Gardner
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Geologist
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Jim Saltzgaber
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Chief Engineer
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Joe Edwards
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Mechanical Technician
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Kaye Kinoshita
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Navigator
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Keith Kvenvolden
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Geochemist
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Larry Kooker
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Electronics Technician
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Mike Field
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Chief Scientist
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Paul Weinberg
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Mechanical Technician
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Ross Voorhees
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Geologist
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Sam Clarke
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Chief Scientist
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Terry Ruff
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Ship Captain
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Teruki Miyazaki
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Geologist
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Tim Vogel
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Geochemist
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Equipment Used
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3dot5khz
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12khz
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magnetics
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24channel
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airgun
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sonobuoy
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uniboom
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sidescansonar
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dopplersonar
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integratednavigation
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RhoRho
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miniranger
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transitsatellite
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gravitycore
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airgunmonitor
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NGDC Overview
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! Converted to time format with year at start.
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!
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DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data)
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MCG Data Collection ID --- L581NC
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Institution Data Collection ID --- L581NC
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NGDC ID --- 06050054
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Funding --- (unspecified)
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Project, Cruise & Leg --- (unspecified)
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Study region --- +45.00000,+40.00000,-126.00000,-124.00000
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Chief Scientist(s) --- Sam Clarke,Mike Field,Parke Snav
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Name of vessel --- Lee (surface ship)
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Date field data collection started --- 05/20/81 EUREKA
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Date field data collection ended --- 05/29/81 NEWPORT, OR
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Parameters surveyed ---
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Bathymetry: surveyed, contained in data file
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Magnetics: surveyed, contained in data file
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Gravity: (unspecified)
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High-resolution seismics: (unspecified)
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Deep penetration seismics: (unspecified)
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Format --- (I1,A8,F5.2,4I2,F5.3,F8.5,F9.5,I1,F6.4,F6.1,I2,i1,3F6.1,I1,F5.1,F6.0,F7.1,F6.1,F5.1,A8,4I1)
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Date of data input to NGDC --- 01/26/90
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Contributing institution --- USGS Branch of Pacific Marine Geology
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Country --- United States
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Navigation instrumentation --- (unspecified)
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Position determination method --- (unspecified)
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Bathymetry instrumentation --- 12KHZ NARROW 1SEC,3.5KHZ WIDE 1 SEC
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Additional forms of bathymetric data --- RECORDER ROLLS
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General rate of bathymetry in file --- 0.8 minutes
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General collection rate of bathymetry --- 20/SECONDS
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Assumed sound velocity --- 1463.0 m/sec
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Bathymetric datum code --- No correction applied (sea level)
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Bathmetry interpolation scheme --- (unspecified)
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Magnetics instrumentation --- PROTON PRECESSION MAG-GEOMETRICS G-801
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Additional forms of magnetics data --- ANALOG RECORDS
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General rate of magnetics in file --- 0.8 minutes
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General collection rate of magnetics --- 4 seconds
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Magnetic sensor tow distance --- 213 meters
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Magnetic sensor depth --- (unspecified)
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Two sensor horizontal separation --- (unspecified)
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Residual magnetics reference field --- IGRF-75
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Method of applying residual field --- LINEAR INTERP. BETWEEN NAV POINTS
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Gravity instrumentation --- (unspecified)
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Additional forms of gravity data --- (unspecified)
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General rate of gravity in file --- (unspecified)
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General collection rate of gravity --- 15 seconds
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Theoretical gravity formula --- International 1930
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Reference system --- System IGSN 71
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Corrections applied --- DRIFT CORRECTIONS
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Starting land tie --- (unspecified)
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Ending land tie --- (unspecified)
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Seismic instrumentation --- 24 CHANNEL,SLAVE RECORD MASTER RECORD
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Formats of seismic data --- (unspecified)
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Publications
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Field, Michael E., and Kvenvolden, Keith A., 1987, Preliminary report on gaseous
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hydrocarbons in sediment and seeps, offshore Eel River basin, California, in Schymiczek,
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Herman, and Suchsland, Reinhard, eds., Tectonics, sedimentation and evolution of the Eel
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River and associated coastal basins of Northern California; proceedings of a symposium:
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Bakersfield, CA, San Joaquin Geological Society.
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Got Help?
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For L-5-81-NC, we would appreciate any information on -- contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, national plan, notes, organization, owner, project, project number, purpose, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
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