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USGS CMG L-5-81-NC Metadata

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ID L-5-81-NC
Abstract 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
Chief Scientist Holly Wagner
Mike Field
Sam Clarke
Activity Type Geophysical
Platform Samuel Phillips Lee
Area of Operation Northern California
Bounding Coordinates
-125.35293    -124.12861
Ports leave Eureka, CA
arrive Crescent City, CA
leave Crescent City, CA
arrive Newport, OR
Dates 05/20/1981 (JD 140) to 05/29/1981 (JD 149)
Analog Materials list
Anne Jennings Geologist
Bob Hall Geologist
Brian Edwards Geologist
Carol Hirozawa Navigator
Carol Madison Navigator
Dave Melendrez Chief Mate
Gordon Goodfellow Geologist
Gordon Tanner Electronics Technician
Greg Smith Geologist
Holly Wagner Chief Scientist
Jim Gardner Geologist
Jim Saltzgaber Chief Engineer
Joe Edwards Mechanical Technician
Kaye Kinoshita Navigator
Keith Kvenvolden Geochemist
Larry Kooker Electronics Technician
Mike Field Chief Scientist
Paul Weinberg Mechanical Technician
Ross Voorhees Geologist
Sam Clarke Chief Scientist
Terry Ruff Ship Captain
Teruki Miyazaki Geologist
Tim Vogel Geochemist
Equipment Used
NGDC Overview
! Converted to time format with year at start.

MCG Data Collection ID ---         L581NC
Institution Data Collection ID --- L581NC
NGDC ID ---                        06050054
Funding ---                        (unspecified)
Project, Cruise & Leg ---          (unspecified)
Study region ---                   +45.00000,+40.00000,-126.00000,-124.00000
Chief Scientist(s) ---             Sam Clarke,Mike Field,Parke Snav
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 05/20/81     EUREKA
Date field data collection ended ---   05/29/81     NEWPORT, OR
Parameters surveyed ---
   Bathymetry:                     surveyed, contained in data file
   Magnetics:                      surveyed, contained in data file
   Gravity:                        (unspecified)
   High-resolution seismics:       (unspecified)
   Deep penetration seismics:      (unspecified)
Format --- 

Date of data input to NGDC ---     01/26/90
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     (unspecified)
Position determination method ---  (unspecified)

Bathymetry instrumentation ---            12KHZ NARROW 1SEC,3.5KHZ WIDE 1 SEC
Additional forms of bathymetric data ---  RECORDER ROLLS
General rate of bathymetry in file ---    0.8 minutes
General collection rate of bathymetry --- 20/SECONDS
Assumed sound velocity ---                1463.0 m/sec
Bathymetric datum code ---                No correction applied (sea level)
Bathmetry interpolation scheme ---        (unspecified)

Magnetics instrumentation ---            PROTON PRECESSION MAG-GEOMETRICS G-801
Additional forms of magnetics data ---   ANALOG RECORDS
General rate of magnetics in file ---    0.8 minutes
General collection rate of magnetics --- 4 seconds
Magnetic sensor tow distance ---         213 meters
Magnetic sensor depth ---                (unspecified)
Two sensor horizontal separation ---     (unspecified)
Residual magnetics reference field ---   IGRF-75
Method of applying residual field ---    LINEAR INTERP. BETWEEN NAV POINTS

Gravity instrumentation ---            (unspecified)
Additional forms of gravity data ---   (unspecified)
General rate of gravity in file ---    (unspecified)
General collection rate of gravity --- 15 seconds
Theoretical gravity formula ---        International 1930
Reference system ---                   System IGSN 71
Corrections applied ---                DRIFT CORRECTIONS
Starting land tie ---                  (unspecified)
Ending land tie   ---                  (unspecified)

Seismic instrumentation --- 24 CHANNEL,SLAVE RECORD MASTER RECORD
Formats of seismic data --- (unspecified)
Field, Michael E., and Kvenvolden, Keith A., 1987, Preliminary report on gaseous
hydrocarbons in sediment and seeps, offshore Eel River basin, California, in 
Herman, and Suchsland, Reinhard, eds., Tectonics, sedimentation and evolution of the Eel
River and associated coastal basins of Northern California; proceedings of a 
Bakersfield, CA, San Joaquin Geological Society.
Got Help? 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.
Type Webpage KMZ Arc         Metadata        
Bathymetry data bath    
Gravity data 054.grav
Imagery data      
Magnetics data imag
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Samples data samp    
Seismic data seis    
Times   054.times    

L-5-81-NC location map of where navigation 

equipment operated
L-5-81-NC location map of where navigation 

equipment operated

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