- Title:
-
Geophysical data of field activity C-7-71-NP in Adak, Alaska
to Victoria, British Columbia from 08/20/1971 to 09/21/1971
- Abstract:
-
Chief Scientist: Bob Embley. Geophysical data
(transitsatellite, magnetics, gravity, airgun, 3dot5khz,
12khz) of field activity C-7-71-NP in Adak, Alaska to
Victoria, British Columbia from 08/20/1971 to 09/21/1971,
<http://walrus.wr.usgs.gov/infobank/c/c771np/html/c-7-71-np.meta.html>.
- Supplemental_Information:
-
Equipment Used -
transitsatellite
magnetics l-DGO Mfg. Proton-Precession magnetometer
gravity Anschutz Electrictable Askania GSS2-31 gravity
airgun l-DGO 25cu-in-airgun
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
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.).
- 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 C-7-71-NP in Adak, Alaska to Victoria, British Columbia from 08/20/1971 to 09/21/1971: U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.
Online Links:
- What geographic area does the data set cover?
- West_Bounding_Coordinate: -176.50000
- East_Bounding_Coordinate: -123.44500
- North_Bounding_Coordinate: 59.95800
- South_Bounding_Coordinate: 48.24780
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 20-Aug-1971
- Ending_Date: 21-Sep-1971
- Currentness_Reference: ground condition
- What is the general form of this data set?
- How does the data set represent geographic features?
- How are geographic features stored in the data set?
- Indirect_Spatial_Reference: Adak, Alaska to Victoria, British Columbia
This is a Point data set.
It contains the following vector data types (SDTS terminology):
- 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
- 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 are the originators of the data set? (may include formal authors, digital compilers, and editors)
- Who also contributed to the data set?
Bob Embley (Chief Scientist)
- To whom should users address questions about the data?
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
- From what previous works were the data drawn?
- How were the data generated, processed, and modified?
- Date: 19-Jan-1996 (process 1 of 4)
-
Navigation Data
Converted to time format with year at start.
05/06/86 CLINT DUA0:[DATA.C771BS]C771BS.050;
DRB0:[CLINT]80COL.EXE;
from c1407.dat
Person who carried out this activity:
- Date: 31-Oct-1998 (process 2 of 4)
-
Gravity Data
10/31/1998 /lion/c/c771np/grav/c-7-71-np.160_050
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
05/06/86 CLINT DUA0:[DATA.C771BS]C771BS.160;
DRB0:[CLINT]80COL.EXE;
from c1407.dat
Input was...
Converted to time format with year at start.
05/06/86 CLINT DUA0:[DATA.C771BS]C771BS.050;
DRB0:[CLINT]80COL.EXE;
from c1407.dat
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 20-Jun-2012 (process 3 of 4)
-
Magnetics Data
06/20/2012 carolyn c-7-71-np.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/c/c771np/mag/c-7-71-np.200_050
/bear/programs/edit/automerge/automerge
Converted to time format with year at start.
05/06/86 CLINT DUA0:[DATA.C771BS]C771BS.200;
DRB0:[CLINT]80COL.EXE;
from c1407.dat
Converted to time format with year at start.
05/06/86 CLINT DUA0:[DATA.C771BS]C771BS.050;
DRB0:[CLINT]80COL.EXE;
from c1407.dat
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 31-Oct-1998 (process 4 of 4)
-
Bathymetry Data
10/31/1998 /lion/c/c771np/bath/c-7-71-np.300_050
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
05/06/86 CLINT DUA0:[DATA.C771BS]C771BS.300;
DRB0:[CLINT]80COL.EXE;
from c1407.dat
Input was...
Converted to time format with year at start.
05/06/86 CLINT DUA0:[DATA.C771BS]C771BS.050;
DRB0:[CLINT]80COL.EXE;
from c1407.dat
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- 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 well have the observations been checked?
Identified as best available version.
- How accurate are the geographic locations?
Unspecified
- How accurate are the heights or depths?
Unspecified
- Where are the gaps in the data? What is missing?
Start and end date/times of data
Navigation Data (c-7-71-np.050 [SINS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197108201430000 197109042234000
197109042312000 197109042327000
197109042348000 197109060447000
197109060558000 197109060558000
197109060703000 197109080030000
197109080130000 197109081530000
197109081555000 197109081555000
197109081626000 197109081626000
197109081730000 197109091436000
197109091600000 197109101116000
197109101200000 197109111517000
197109111540000 197109111540000
197109111652000 197109121420000
197109121504000 197109121504000
197109121619000 197109132132000
197109132300000 197109140000000
197109140100000 197109142000000
197109142021000 197109142021000
197109142112000 197109142112000
197109142138000 197109142138000
197109142205000 197109151522000
197109151710000 197109161030000
197109161100000 197109161100000
197109161130000 197109161200000
197109161221000 197109161221000
197109161300000 197109161300000
197109161330000 197109161330000
197109161400000 197109161400000
197109161430000 197109171406000
197109171450000 197109171450000
197109171524000 197109171524000
197109171553000 197109180000000
197109180100000 197109181020000
197109181156000 197109181156000
197109181225000 197109181230000
197109181300000 197109181300000
197109181342000 197109181402000
197109181503000 197109191405000
197109191456000 197109191456000
197109191528000 197109210531000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (c-7-71-np.160_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197108201600000 197108201805000
197108201855000 197108211225000
197108211700000 197108212200000
197108212225000 197108220045000
197108221245000 197108232359000
197108240455000 197108240655000
197108240725000 197108241123000
197108241150000 197108241856000
197108242125000 197108250139000
197108250600000 197108252040000
197108252240000 197108260929000
197108261220000 197108261559000
197108261620000 197108270751000
197108270815000 197108280326000
197108280655000 197108281447000
197108281508000 197108281929000
197108282000000 197108282115000
197108282145000 197108291359000
197108291630000 197108292345000
197108300115000 197108300617000
197108301205000 197108310054000
197108310115000 197108310600000
197108310621000 197108312046000
197108312310000 197109010324000
197109010405000 197109010529000
197109010850000 197109011822000
197109011845000 197109012059000
197109012348000 197109020345000
197109020415000 197109021210000
197109021245000 197109030304000
197109030325000 197109031329000
197109031730000 197109031930000
197109032005000 197109032059000
197109032330000 197109042059000
197109042355000 197109050317000
197109050340000 197109050908000
197109050930000 197109051030000
197109051112000 197109051230000
197109052010000 197109060421000
197109060715000 197109080030000
197109080145000 197109080843000
197109080945000 197109081529000
197109081750000 197109091400000
197109091615000 197109091902000
197109092305000 197109100614000
197109100855000 197109101027000
197109101315000 197109102315000
197109102345000 197109111449000
197109111745000 197109121345000
197109121630000 197109131217000
197109131245000 197109132059000
197109132330000 197109140000000
197109140115000 197109141404000
197109141429000 197109141545000
197109141606000 197109141700000
197109141721000 197109141845000
197109141907000 197109141959000
197109142215000 197109150439000
197109150500000 197109151430000
197109151805000 197109151805000
197109151830000 197109160845000
197109160906000 197109160943000
197109161509000 197109171329000
197109171610000 197109171800000
197109171822000 197109171822000
197109171845000 197109180000000
197109180115000 197109180959000
197109181530000 197109190454000
197109190515000 197109191344000
197109191545000 197109200552000
197109200645000 197109200900000
197109200923000 197109201459000
197109201529000 197109202129000
197109202159000 197109210429000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (c-7-71-np.220_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197108201509000 197108211242000
197108211634000 197108220938000
197108221151000 197108240000000
197108240416000 197108241824000
197108242124000 197108250139000
197108250607000 197108260930000
197108261216000 197108280330000
197108280650000 197108291400000
197108291610000 197108292342000
197108300014000 197108300609000
197108301151000 197108310000000
197108310030000 197108312047000
197108312254000 197109010530000
197109010848000 197109012100000
197109012347000 197109031330000
197109031624000 197109032100000
197109032330000 197109040008000
197109040030000 197109042100000
197109042327000 197109042327000
197109050000000 197109051038000
197109052003000 197109060423000
197109060720000 197109080030000
197109080142000 197109081130000
197109081200000 197109081200000
197109081230000 197109081530000
197109081747000 197109091400000
197109091604000 197109100225000
197109100300000 197109101056000
197109101252000 197109101730000
197109101800000 197109111448000
197109111716000 197109121346000
197109121622000 197109132100000
197109132307000 197109132307000
197109132330000 197109140000000
197109140112000 197109142000000
197109142211000 197109151451000
197109151745000 197109160945000
197109161458000 197109171330000
197109171557000 197109180000000
197109180105000 197109181002000
197109181519000 197109191345000
197109191530000 197109202130000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (c-7-71-np.300_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197108201436000 197108211300000
197108211630000 197108221000000
197108221130000 197108240030000
197108240412000 197108241918000
197108242115000 197108250139000
197108250200000 197108250200000
197108250530000 197108260942000
197108261200000 197108280400000
197108280645000 197108291357000
197108291600000 197108300636000
197108301145000 197108312103000
197108312251000 197109010551000
197109010842000 197109012130000
197109012339000 197109031357000
197109031600000 197109032118000
197109032324000 197109042118000
197109042348000 197109060318000
197109060330000 197109060442000
197109060715000 197109080027000
197109080133000 197109081527000
197109081730000 197109091354000
197109091600000 197109101042000
197109101200000 197109111512000
197109111730000 197109121400000
197109121630000 197109132118000
197109132300000 197109140000000
197109140106000 197109142000000
197109142206000 197109151448000
197109151730000 197109161006000
197109161030000 197109161030000
197109161100000 197109161100000
197109161130000 197109161130000
197109161200000 197109161200000
197109161300000 197109161300000
197109161330000 197109161330000
197109161400000 197109161400000
197109161430000 197109161430000
197109161500000 197109171406000
197109171600000 197109180000000
197109180106000 197109181018000
197109181506000 197109191342000
197109191600000 197109210530000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
- How consistent are the relationships among the observations, including topology?
Unspecified
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.
- Who distributes the data set? (Distributor 1 of 1)
- What's the catalog number I need to order this data set?
Downloadable Data C-7-71-NP data set <http://walrus.wr.usgs.gov/infobank/c/c771np/html/c-7-71-np.meta.html>
- 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.
- How can I download or order the data?
- Availability in digital form:
- Cost to order the data: None
- Dates:
- Last modified: 31-Mar-2013
- Metadata author:
-
- 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 07:11:16 2013
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