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What does this data set describe?

Title:
Geophysical (high resolution seismic-reflection, marine magnetometer) data of field activity B-04-12-NC in Between Fort Bragg and Cape Mendocino from 09/17/2012 to 09/25/2012
Abstract:
United States Geological Survey,Oregon State University. Chief Scientist: Sam Johnson. Geophysical (high resolution seismic-reflection, marine magnetometer) data of field activity B-04-12-NC in Between Fort Bragg and Cape Mendocino from 09/17/2012 to 09/25/2012, <http://walrus.wr.usgs.gov/infobank/b/b0412nc/html/b-04-12-nc.meta.html>.
Supplemental_Information:


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/>, 20131029, Geophysical (high resolution seismic-reflection, marine magnetometer) data of field activity B-04-12-NC in Between Fort Bragg and Cape Mendocino from 09/17/2012 to 09/25/2012: 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: -124.47752
    East_Bounding_Coordinate: -123.78899
    North_Bounding_Coordinate: 40.30684
    South_Bounding_Coordinate: 39.35035

  3. What does it look like?

    <http://walrus.wr.usgs.gov/infobank/b/b0412nc/html/b-04-12-nc.nav.gif> (GIF)
    Trackline map of B-04-12-NC

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

    Beginning_Date: 17-Sep-2012
    Ending_Date: 25-Sep-2012
    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: Between Fort Bragg and Cape Mendocino
      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 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257.

      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:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
    Entity_and_Attribute_Overview:
    Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.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?

    Sam Johnson); Jeff Beeson); Chris Goldfinger (Oregon State Univ.))

  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: 19-Jul-2013 (process 1 of 1)
    Navigation Data
    07/18/2013 carolyn b-04-12-nc.062
    
    time/lat/long style, multi-record, in caps, without tabs
    
    Input was...
    07/18/2013 carolyn b-04-12-nc.061
    
    time/lat/long style, multi-record, in caps, without tabs
    
    07/18/2013 carolyn b-04-12-nc.060
    
    time/lat/long style, multi-record, in caps, without tabs
    
    

    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-04-12-nc.062 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    201209180019020    201209180027470
    201209180039140    201209180041330
    201209180050070    201209180057190
    201209180105560    201209180119100
    201209180131140    201209180134550
    201209181226320    201209181423080
    201209181429010    201209181507590
    201209181514260    201209181535010
    201209181600140    201209212212160
    201209212221010    201209212224210
    201209212244370    201209212340030
    201209212355290    201209220006520
    201209220012280    201209220018430
    201209220041420    201209220054170
    201209220106080    201209220106190
    201209220111380    201209220113250
    201209220119250    201209220131260
    201209220137010    201209220139110
    201209221319120    201209251407250
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (b-04-12-nc.410_sparker)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    201209181611060    201209181759400
    201209181815570    201209181915060
    201209181925380    201209182013060
    201209182022190    201209182058140
    201209182110340    201209182149190
    201209182157320    201209182238430
    201209182246010    201209182326570
    201209182337330    201209190018340
    201209190026350    201209190111050
    201209190124420    201209190215450
    201209191400180    201209191441290
    201209191452560    201209191526160
    201209191533550    201209191617470
    201209191624480    201209191702500
    201209191717360    201209191805050
    201209191812430    201209191854570
    201209191902320    201209191947070
    201209191957260    201209192038570
    201209192050220    201209192130520
    201209192143210    201209192220170
    201209192233270    201209192312010
    201209192320150    201209200043150
    201209200050070    201209200122490
    201209200131220    201209200216050
    201209201407220    201209201448310
    201209201456020    201209201534020
    201209201545150    201209201623040
    201209201631230    201209201707110
    201209201716160    201209201750440
    201209201757260    201209201951340
    201209202008540    201209202033320
    201209202043270    201209202107500
    201209202117070    201209202148480
    201209202201060    201209202228250
    201209202237320    201209202315390
    201209202330020    201209210045120
    201209210052430    201209210155220
    201209211355230    201209211553160
    201209211700590    201209211729250
    201209220000000    201209220000000
    201209221404240    201209221425560
    201209221435560    201209221521110
    201209221530350    201209221742470
    201209221750430    201209222034360
    201209222055060    201209222316070
    201209222332370    201209230158080
    201209231400130    201209231615350
    201209231642500    201209231854010
    201209231908090    201209232240220
    201209232307290    201209240009490
    201209240016150    201209240128430
    201209241432380    201209241509290
    201209241521420    201209241612420
    201209241621340    201209241655420
    201209241740560    201209241824190
    201209241831580    201209241954280
    201209242004030    201209242036430
    201209242103350    201209242257550
    201209242319130    201209250121110
    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-04-12-NC data set <http://walrus.wr.usgs.gov/infobank/b/b0412nc/html/b-04-12-nc.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: 4.9
Network links: <http://walrus.wr.usgs.gov/infobank/b/b0412nc/html/b-04-12-nc.nav.html>

Data format: ASCII Size: 1.7
Network links: <http://walrus.wr.usgs.gov/infobank/b/b0412nc/html/b-04-12-nc.seis.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 29-Oct-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 Tue Oct 29 07:45:40 2013