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What does this data set describe?

Title:
Geophysical data of field activity F-8-88-AA in Aleutian Arc, Alaska from 07/06/1988 to 08/02/1988
Abstract:
Chief Scientists: Tracy Vallier, Herman Karl. Geophysical data (10khz, 3dot5khz, 2channelairgun, Gloriasidescan, gravity, magnetics, expendablebatthermograph, bottomtransponder, GPS, integratednavigation, RhoRho) of field activity F-8-88-AA in Aleutian Arc, Alaska from 07/06/1988 to 08/02/1988, <http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.meta.html>.
Supplemental_Information:

Equipment Used -
10khz 10 khz bathymetry
3dot5khz 3.5 khz bathymetry
2channelairgun two-channel airgun
Gloriasidescan
gravity shipboard gravity
magnetics shipboard magnetics
expendablebatthermograph
bottomtransponder
GPS
integratednavigation
RhoRho
Notes -
Geological LOng-Range Inclined Asdic (GLORIA)
<http://kai.er.usgs.gov/gloria/>
<HR>
Associated cruises in Alaska
<br>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f287aa/html/f-2-87-aa.meta.html>">F-2-87-AA</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f387aa/html/f-3-87-aa.meta.html>">F-3-87-AA</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f788aa/html/f-7-88-aa.meta.html>">F-7-88-AA</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.meta.html>">F-8-88-AA</A>
Publications -
Paskevich, V.F., Wong, F.L., O'Malley, J.J., Stevenson, A.J., and Gutmacher,
C.E., 2011, GLORIA sidescan-sonar imagery for parts of the U.S. Exclusive
Economic Zone and adjacent areas: U.S. Geological Survey Open-File Report
2010-1332, URL:
<A HREF ="<http://pubs.usgs.gov/of/2010/1332/>" target ="OF"><http://pubs.usgs.gov/of/2010/1332/>

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 F-8-88-AA in Aleutian Arc, Alaska from 07/06/1988 to 08/02/1988: 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: 179.17841
    East_Bounding_Coordinate: -158.39520
    North_Bounding_Coordinate: 54.40080
    South_Bounding_Coordinate: 48.05110

  3. What does it look like?

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

    Beginning_Date: 06-Jul-1988
    Ending_Date: 02-Aug-1988
    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: Aleutian Arc, 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.

      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>
    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?

    Tracy Vallier (Chief Scientist, USGS Western Region); Herman Karl (Chief Scientist, USGS Western Region)

  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: 05-Feb-1996 (process 1 of 4)
    Navigation Data 
    Converted to time format with year at start.

08/08/88 CLINT GRYC2:[CLINT.F8]F888AA.080;
DUA1:[DRS.EDIT]REFARN.EXE;

    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/f/f888aa/grav/f-8-88-aa.150_081
/bear/programs/edit/automerge/automerge

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

02/14/89 CAROLYN DRS$DATA:[F888AA.G]F888AA.150;1
DUA0:[DRS.EDIT]SKIPNSAVE.EXE;1
SKIPNSAVED Free Air Anomaly data

01/30/89 CAROLYN DRS$DATA:[F888AA.G]F888AA.130;1
DUA0:[DATA.][F888AA.G]REFMTTRAK.EXE;
Gravity SKIPNSAVE control data
from CDI data

02/14/89 CAROLYN DRS$DATA:[F888AA.G]F888AA.160;1
DUA0:[DRS.GRV]GRAVRED.EXE;4
Free Air Anomaly data

12/02/88 CAROLYN DRS$DATA:[F888AA.G]F888AA.140;
DUA0:[DRS.REFMT]REFORMAT.EXE;
Land tie data
ties calculated by KKinoshita
meter S-53
188/0005  968770.4
215/2005  968768.5

12/06/88 JEAN DRB0:[JEAN]F888AA.100;2
DUA0:[DRS.REFMT]REFORMAT.EXE;
Raw gravity data from digital meter

02/10/89 CAROLYN DRS$DATA:[F888AA.N]F8FILT.070;1
DUA0:[DRS.FILT]FILTER.EXE;1
Eotvos/course/speed/distance data

02/10/89 CAROLYN DRS$DATA:[F888AA.N]F820SEC.070;1
DUA0:[DRS.NAV]EOTCSSP.EXE;1
Eotvos/course/speed/distance data

02/10/89 CAROLYN DRS$DATA:[F888AA.N]F820SEC.081;1
DUA0:[DRS.EDIT]MERGEIT.EXE;3
Farnella ABC data

08/08/88 CLINT GRYC2:[CLINT.F8]F888AA.080;
DUA1:[DRS.EDIT]REFARN.EXE;

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

08/08/88 CLINT GRYC2:[CLINT.F8]F888AA.080;
DUA1:[DRS.EDIT]REFARN.EXE;

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 f-8-88-aa.221_081

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/magred1111/magred1111.for
Using geodetic coordinate system (Earth shape approximated by spheriod)
with altitude 0.0 km (for sea level).

Input was...
10/31/1998  /lion/f/f888aa/mag/f-8-88-aa.220_081
/bear/programs/edit/automerge/automerge

Converted to time format with year at start.

01/31/89 CAROLYN DRS$DATA:[F888AA.M]F888AA.220;1
DUA0:[DRS.MAG]MAGRED.EXE;5
Edited magnetics data

08/20/88 CAROLYN DUA0:[DATA.F888AA.M]F888AA.202;
DUA1:[DRS.PLT]GRAPHED.EXE;
Raw magnetics data
deleted spikes

08/11/88 CLINT GRYC2:[CLINT.F8]F888AA.201;
DUA1:[DRS.EDIT]REFARN.EXE;
Raw magnetics data
time gaps filled with 2 minute data F888AA.220 from ABCTAP

08/08/88 CLINT GRYC2:[CLINT.F8]F888AA.080;
DUA1:[DRS.EDIT]REFARN.EXE;

Converted to time format with year at start.

08/08/88 CLINT GRYC2:[CLINT.F8]F888AA.080;
DUA1:[DRS.EDIT]REFARN.EXE;

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/f/f888aa/bath/f-8-88-aa.320_081
/bear/programs/edit/automerge/automerge

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

08/08/88 CLINT GRYC2:[CLINT.F8]F888AA.320;
DUA1:[DRS.EDIT]REFARN.EXE;

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

08/08/88 CLINT GRYC2:[CLINT.F8]F888AA.080;
DUA1:[DRS.EDIT]REFARN.EXE;

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:

    Other_Citation_Details:
    Paskevich, V.F., Wong, F.L., O'Malley, J.J., Stevenson, A.J., and Gutmacher, C.E., 2011, GLORIA sidescan-sonar imagery for parts of the U.S. Exclusive Economic Zone and adjacent areas: U.S. Geological Survey Open-File Report 2010-1332, URL: <A HREF ="<http://pubs.usgs.gov/of/2010/1332/>" target ="OF"><http://pubs.usgs.gov/of/2010/1332/>


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 (f-8-88-aa.081)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198807061712000    198808011722000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Gravity Data (f-8-88-aa.150_081)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198807070332400    198807080649400
198807080655000    198807090150000
198807090210400    198807100622400
198807100634000    198807100832400
198807100848000    198807120710400
198807120722000    198807120948400
198807121002000    198807140624400
198807141045000    198807160653400
198807160700000    198807172032400
198807172045000    198807172243400
198807172254000    198807172349400
198807182355000    198807191751400
198807191804000    198807192003400
198807192016000    198807201722400
198807201817000    198807211157400
198807211206000    198807211350400
198807211400000    198807221754400
198807221835400    198807230259400
198807230311000    198807230511400
198807230523000    198807241730400
198807241741000    198807250614400
198807250627000    198807260657400
198807260709000    198807260759400
198807260810000    198807261504200
198807261606200    198807270329400
198807270342000    198807270456400
198807270507000    198807280659400
198807280739000    198807280924400
198807280935000    198807281418000
198807281600400    198807290900400
198807290912000    198807291106400
198807291119000    198807300928400
198807300946000    198807301133400
198807301144000    198807301414400
198807301501200    198807311016400
198807311036000    198807311230400
198807311241000    198808010156400
198808010207000    198808010418400
198808010432000    198808011540400
198808011553000    198808011706200
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Magnetics Data (f-8-88-aa.221_081)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198807070318000    198807140448000
198807140509000    198807140514200
198807140525400    198807140746400
198807140938200    198808011550400
198808011603000    198808011716000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (f-8-88-aa.320_081)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198807070330000    198807091130000
198807091138000    198807312006000
198807312014000    198808011600000
198808011606000    198808011606000
198808011612000    198808011612000
198808011618000    198808011712000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Seismic Shots Data (f-8-88-aa.400_airgun)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198807070327220    198807080650410
198807080702410    198807100833440
198807100854240    198807120710590
198807120826390    198807120948580
198807121002480    198807140625330
198807140650530    198807142348520
198807142355200    198807160654000
198807160700480    198807172035140
198807172059140    198807172245030
198807172255530    198807191752080
198807191807280    198807192004580
198807192016080    198807211157530
198807211206000    198807211350500
198807211401030    198807230300100
198807230321580    198807230512180
198807230537280    198807241732240
198807241740140    198807250615470
198807250627470    198807260658340
198807260709240    198807260759440
198807260810040    198807270330230
198807270342230    198807270456420
198807270508120    198807280728400
198807280754200    198807280925040
198807280935240    198807290900450
198807290915450    198807291107170
198807291120170    198807300928230
198807300946030    198807301133520
198807301143520    198807301716310
198807310609380    198807311016380
198807311036480    198807311231170
198807311241370    198808010156460
198808010209160    198808010419250
198808010432250    198808011715040
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 F-8-88-AA data set <http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.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: 0.7
Network links: <http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.nav.html>

Data format: ASCII Size: 8.7
Network links: <http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.grav.html>

Data format: ASCII Size: 6.3
Network links: <http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.mag.html>

Data format: ASCII Size: 1.3
Network links: <http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.bath.html>

Data format: ASCII Size: 1.3
Network links: <http://walrus.wr.usgs.gov/infobank/f/f888aa/html/f-8-88-aa.seis.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 07:13:06 2013