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USGS CMG L-6-81-NP Metadata

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ID L-6-81-NP
Abstract Chief Scientist: Andy Stevenson. Geophysical data (airgun, magnetics, dopplersonar, integratednavigation, RhoRho, transitsatellite, gravity, 3dot5khz, 12khz, magnetics) of field activity L-6-81-NP in Off British Columbia and Washington, Northern Pacific from 05/31/1981 to 06/07/1981
Chief Scientist Andy Stevenson
Activity Type Geophysical
Platform Samuel Phillips Lee
Area of Operation Off British Columbia and Washington, Northern Pacific, North Pacific Ocean
Bounding Coordinates
-152.53345    -124.04906
Ports leave Newport, OR
arrive Kodiak, AK
Dates 05/31/1981 (JD 151) to 06/07/1981 (JD 158)
Analog Materials list
Andy Stevenson Chief Scientist
Barb Blubaugh Navigator
Darrell Klingman Watchstander
Donna Blackman Watchstander
Guy Cochrane Watchstander
Jack Lee Electronics Technician
Jim Saltzgaber Chief Engineer
Kaye Kinoshita Navigator
Louis Solana Chief Mate
Terry Ruff Ship Captain
Equipment Used
NGDC Overview
! Converted to time format with year at start.

MCG Data Collection ID ---         L681NP
Institution Data Collection ID --- L681NP
NGDC ID ---                        06050055
Funding ---                        (unspecified)
Project, Cruise & Leg ---          (unspecified)
Study region ---                   +57.00000,+44.00000,-148.00000,-124.00000
Chief Scientist(s) ---             Andy Stevenson
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 05/31/81     LV NEWPORT,OREGON
Date field data collection ended ---   06/07/81     AR KODIAK,AK
Parameters surveyed ---
   Bathymetry:                     surveyed, contained in data file
   Magnetics:                      surveyed, contained in data file
   Gravity:                        surveyed, contained in data file
   High-resolution seismics:       (unspecified)
   Deep penetration seismics:      (unspecified)
Format --- 

Date of data input to NGDC ---     06/17/87
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     SATNAV,LORAN-C,SONAR DOPPLER
Position determination method ---  PRIM-SATNAV SEC-INTEGRATED NAV

Bathymetry instrumentation ---            12KHZ NARROW 1 SEC, 3.5 KHZ WIDE 1 SEC
Additional forms of bathymetric data ---  RECORDER ROLLS
General rate of bathymetry in file ---    1.2 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 ---    1.1 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 ---            L&R S-53
Additional forms of gravity data ---   ANALOG RECORDS
General rate of gravity in file ---    1.1 minutes
General collection rate of gravity --- 15 seconds
Theoretical gravity formula ---        International 1930
Reference system ---                   System IGSN 71
Corrections applied ---                DRIFT CORRECTIONS
Starting land tie ---                  968848.6  NEWPORT OR MARINE SCI CENTER 
Ending land tie   ---                  968848.4   KODIAK, AK COAST GUARD PIER   An

Seismic instrumentation --- (unspecified)
Formats of seismic data --- (unspecified)
Got Help? For L-6-81-NP, 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, publications, purpose, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
Type Webpage KMZ Arc         Metadata        
Bathymetry data bath    
Gravity data 052.grav
Imagery data      
Magnetics data mag    
Metadata data     txt  data  FAQ  xml
Navigation data 053_410.nav
Seismic data seis    
Times   053.times

L-6-81-NP location map of where navigation 

equipment operated

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