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What does this data set describe?

Title:
Geophysical data of field activity B-2-70-BS in Bering Sea, Alaska from 07/15/1970 to 07/18/1970
Abstract:
Canadian Geological Survey. Chief Scientist: Unspecified. Geophysical data (bathymetry, gravity, magnetics) of field activity B-2-70-BS in Bering Sea, Alaska from 07/15/1970 to 07/18/1970, <http://walrus.wr.usgs.gov/infobank/b/b270bs/html/b-2-70-bs.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity
magnetics
Notes -
Canadian Geological Survey

Similar information is available for thousands of other USGS/CMG-related Activities.
If known, available are Activity-specific navigation, gravity, magnetics, bathymetry, seismic, and sampling data; track maps; and equipment information; as well as summary overviews, crew lists, and information about analog materials.
If available, access to physical samples is described in the "WR CMG Sample Distribution Policy" at: <http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Primary access to the USGS/CMG Information Bank's digital data, analog data, and metadata is provided through... <http://walrus.wr.usgs.gov/infobank/>
This page accomodates a variety of search approaches (e.g., by platform, by region, by scientist, by equipment type, etc.).
  1. How should this data set be cited?

    U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>, 20130331, Geophysical data of field activity B-2-70-BS in Bering Sea, Alaska from 07/15/1970 to 07/18/1970: U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -168.70959
    East_Bounding_Coordinate: -154.06329
    North_Bounding_Coordinate: 66.52320
    South_Bounding_Coordinate: 53.70330

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 15-Jul-1970
    Ending_Date: 18-Jul-1970
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      Indirect_Spatial_Reference: Bering Sea, Alaska
      This is a Point data set. It contains the following vector data types (SDTS terminology):
      • Point

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.00001. Longitudes are given to the nearest 0.00001. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.

      Vertical_Coordinate_System_Definition:
      Depth_System_Definition:
      Depth_Datum_Name: Local surface
      Depth_Resolution: 0.1
      Depth_Distance_Units: meters
      Depth_Encoding_Method: Attribute values


  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview:
    Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
    Entity_and_Attribute_Overview:
    Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html>
    Entity_and_Attribute_Overview:
    Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html>
    Entity_and_Attribute_Overview:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    Unspecified (Chief Scientist)

  3. To whom should users address questions about the data?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

Why was the data set created?

These data and information are intended for science researchers, students from elementary through college, policy makers, and general public.

How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    Date: 06-Dec-1995 (process 1 of 4)
    Navigation Data 
    Converted to time format with year at start.

03/20/86 CAROLYN DRS$DATA:[CAROLYN.JON]BAF70BS.050;
DUA0:[DATA.][CAROLYN.JON]FMTA.EXE;

Input was...
REDUCED MAGNETICS  BERING SEA  BAFIN-70-BS
DATA: ID,JD,IH,AM,OBS,RES,LAT,LONG,DEPTH,GRAV
FORMAT(A2,3X,I3,I2,I2,T15,I5,T33,F6.0,T39,F8.4,T49,F9.4,T66,F5.0,T74,F4.0)

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 31-Oct-1998 (process 2 of 4)
    Gravity Data 
    10/31/1998  /lion/b/b270bs/grav/b-2-70-bs.160_050
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

04/29/86 CAROLYN DRS$DATA:[BAF70BS]BAF70BS.160;
DUA0:[DATA.][BAF70BS]TEMP.EXE;

REDUCED MAGNETICS  BERING SEA  BAFIN-70-BS
DATA: ID,JD,IH,AM,OBS,RES,LAT,LONG,DEPTH,GRAV
FORMAT(A2,3X,I3,I2,I2,T15,I5,T33,F6.0,T39,F8.4,T49,F9.4,T66,F5.0,T74,F4.0)

Input was...
Converted to time format with year at start.

03/20/86 CAROLYN DRS$DATA:[CAROLYN.JON]BAF70BS.050;
DUA0:[DATA.][CAROLYN.JON]FMTA.EXE;

REDUCED MAGNETICS  BERING SEA  BAFIN-70-BS
DATA: ID,JD,IH,AM,OBS,RES,LAT,LONG,DEPTH,GRAV
FORMAT(A2,3X,I3,I2,I2,T15,I5,T33,F6.0,T39,F8.4,T49,F9.4,T66,F5.0,T74,F4.0)

time, lat, long, time(sec) to nearest nav fix, data values

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 20-Jun-2012 (process 3 of 4)
    Magnetics Data 
    06/20/2012 carolyn b-2-70-bs.220_050

Reprocessed using subroutines from Susan Macmillan's
IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
with IGRF-11 coeffiecients integrated into the source code.
/infobank/programs/mag/magred11/magred11.for
Using geodetic coordinate system (Earth shape approximated by spheriod)
with altitude 0.0 km (for sea level).

Input was...
10/31/1998  /lion/b/b270bs/mag/b-2-70-bs.200_050
/bear/programs/edit/automerge/automerge

Converted to time format with year at start.

03/20/86 CAROLYN DRS$DATA:[CAROLYN.JON]BAF70BS.200;
DUA0:[DATA.][CAROLYN.JON]FMTA.EXE;

REDUCED MAGNETICS  BERING SEA  BAFIN-70-BS
DATA: ID,JD,IH,AM,OBS,RES,LAT,LONG,DEPTH,GRAV
FORMAT(A2,3X,I3,I2,I2,T15,I5,T33,F6.0,T39,F8.4,T49,F9.4,T66,F5.0,T74,F4.0)

Converted to time format with year at start.

03/20/86 CAROLYN DRS$DATA:[CAROLYN.JON]BAF70BS.050;
DUA0:[DATA.][CAROLYN.JON]FMTA.EXE;

REDUCED MAGNETICS  BERING SEA  BAFIN-70-BS
DATA: ID,JD,IH,AM,OBS,RES,LAT,LONG,DEPTH,GRAV
FORMAT(A2,3X,I3,I2,I2,T15,I5,T33,F6.0,T39,F8.4,T49,F9.4,T66,F5.0,T74,F4.0)

time, lat, long, time(sec) to nearest nav fix, data values

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 31-Oct-1998 (process 4 of 4)
    Bathymetry Data 
    10/31/1998  /lion/b/b270bs/bath/b-2-70-bs.300_050
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

04/29/86 CAROLYN DRS$DATA:[BAF70BS]BAF70BS.300;
DUA0:[DATA.][BAF70BS]TEMP.EXE;

REDUCED MAGNETICS  BERING SEA  BAFIN-70-BS
DATA: ID,JD,IH,AM,OBS,RES,LAT,LONG,DEPTH,GRAV
FORMAT(A2,3X,I3,I2,I2,T15,I5,T33,F6.0,T39,F8.4,T49,F9.4,T66,F5.0,T74,F4.0)

Input was...
Converted to time format with year at start.

03/20/86 CAROLYN DRS$DATA:[CAROLYN.JON]BAF70BS.050;
DUA0:[DATA.][CAROLYN.JON]FMTA.EXE;

REDUCED MAGNETICS  BERING SEA  BAFIN-70-BS
DATA: ID,JD,IH,AM,OBS,RES,LAT,LONG,DEPTH,GRAV
FORMAT(A2,3X,I3,I2,I2,T15,I5,T33,F6.0,T39,F8.4,T49,F9.4,T66,F5.0,T74,F4.0)

time, lat, long, time(sec) to nearest nav fix, data values

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  3. What similar or related data should the user be aware of?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Unknown, USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>: U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    Identified as best available version.

  2. How accurate are the geographic locations?

    Unspecified

  3. How accurate are the heights or depths?

    Unspecified

  4. Where are the gaps in the data? What is missing?

    Start and end date/times of data 

    Navigation Data (b-2-70-bs.050 [SINS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197007150000000    197007160220000
197007160300000    197007160500000
197007160800000    197007172000000
197007172110000    197007181550000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Gravity Data (b-2-70-bs.160_050)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197007150000000    197007150000000
197007150020000    197007150030000
197007150130000    197007150300000
197007150320000    197007150410000
197007150530000    197007151030000
197007151050000    197007151050000
197007151110000    197007151120000
197007151200000    197007151250000
197007151340000    197007151500000
197007151530000    197007151610000
197007151720000    197007151740000
197007151850000    197007151950000
197007152040000    197007152310000
197007160140000    197007160210000
197007160300000    197007160300000
197007160320000    197007160350000
197007160410000    197007160450000
197007160830000    197007160910000
197007160930000    197007161010000
197007161030000    197007161100000
197007161140000    197007161510000
197007161600000    197007161700000
197007161740000    197007161850000
197007161940000    197007162230000
197007170010000    197007170230000
197007170350000    197007170420000
197007170520000    197007170530000
197007170550000    197007170650000
197007170800000    197007170850000
197007170910000    197007171020000
197007171110000    197007171150000
197007171240000    197007171350000
197007171420000    197007171550000
197007171640000    197007171920000
197007172200000    197007172320000
197007180040000    197007180110000
197007180220000    197007180340000
197007180400000    197007180410000
197007180530000    197007180640000
197007180740000    197007180920000
197007181020000    197007181020000
197007181130000    197007181140000
197007181310000    197007181320000
197007181340000    197007181350000
197007181440000    197007181530000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Magnetics Data (b-2-70-bs.220_050)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197007150000000    197007151030000
197007151050000    197007160220000
197007160300000    197007160500000
197007160800000    197007161740000
197007161800000    197007170530000
197007170550000    197007171350000
197007171410000    197007172000000
197007172110000    197007180340000
197007180400000    197007180510000
197007180530000    197007181040000
197007181100000    197007181550000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (b-2-70-bs.300_050)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197007150000000    197007152150000
197007152220000    197007160220000
197007160300000    197007160500000
197007160800000    197007172000000
197007172110000    197007181550000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST

  5. How consistent are the relationships among the observations, including topology?

    Unspecified

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints:
Physical materials are under controlled on-site access.
If available, access to physical samples is described in the "WR CMG Sample Distribution Policy" at: <http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Use_Constraints:
Please recognize the U.S. Geological Survey (USGS) as the source of this information.
Physical materials are under controlled on-site access.
Some USGS information accessed through this means may be preliminary in nature and presented without the approval of the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the responsibility of the user.
This information is not intended for navigational purposes.
Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

  1. Who distributes the data set? (Distributor 1 of 1)

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  2. What's the catalog number I need to order this data set?

    Downloadable Data B-2-70-BS data set <http://walrus.wr.usgs.gov/infobank/b/b270bs/html/b-2-70-bs.meta.html>

  3. What legal disclaimers am I supposed to read?

    Please recognize the U.S. Geological Survey (USGS) as the source of this information.
    Physical materials are under controlled on-site access.
    Some USGS information accessed through this means may be preliminary in nature and presented without the approval of the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the responsibility of the user.
    This information is not intended for navigational purposes.
    Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

  4. How can I download or order the data?

    • Availability in digital form:

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/b/b270bs/html/b-2-70-bs.nav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/b/b270bs/html/b-2-70-bs.grav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/b/b270bs/html/b-2-70-bs.mag.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/b/b270bs/html/b-2-70-bs.bath.html>

  • Cost to order the data: None

    • Who wrote the metadata?

    Dates:
    Last modified: 31-Mar-2013
    Metadata author:
    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Metadata standard:
    FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/> (FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>)

    Generated by mp version 2.9.13 on Sun Mar 31 07:10:15 2013