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 A-1T-77-CP in Tonga,
Central Pacific from 09/16/1977 to 10/02/1977
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
http://walrus.wr.usgs.gov/infobank/gos/a-1t-77-cp.fmeta.xml
http://walrus.wr.usgs.gov/infobank/a/a1t77cp/html/a-1t-77-cp.meta.html
Hawaii Institute of Geophysics. Chief Scientist: Jim Eade.
Geophysical data (radar, sextant, 7khz) of field activity
A-1T-77-CP in Tonga, Central Pacific from 09/16/1977 to
10/02/1977,
http://walrus.wr.usgs.gov/infobank/a/a1t77cp/html/a-1t-77-cp.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
radar
sextant
7khz bathymetry
Notes -
Hawaii Institute Geophysics for CCOPSOPAC
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.).
19770916
19771002
ground condition
As needed
-175.92500
-173.40834
-15.39667
-21.27333
ISO 19115 Topic Category
geoscientificinformation
oceans
Global Change Master Directory (GCMD)
EARTH SCIENCE > OCEANS
USGS CMG InfoBank
Marine Geology
Bathymetry
Water Depth
Seafloor Topography
USGS CMG InfoBank
Central Pacific Ocean
Tonga
Tonga, Central Pacific
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
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.
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Jim Eade (Chief Scientist)
Digital, ASCII
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/>
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
http://walrus.wr.usgs.gov/infobank/
Identified as best available version.
Unspecified
Start and end date/times of data
>Navigation Data (a-1t-77-cp.050 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197709162300000 197710020630000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Bathymetry Data (a-1t-77-cp.320_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197709170000239 197709172024089
>197709172245069 197709180304059
>197709180420059 197709181114550
>197709181145550 197709182131570
>197709190045039 197709190243259
>197709190454410 197709190635460
>197709190656229 197709192130039
>197709200107350 197709201438329
>197709201459470 197709202047520
>197709202109049 197709202310159
>197709212200340 197709212309169
>197709220116029 197709221503079
>197709221526329 197709231846269
>197709232007229 197709232023300
>197709232135380 197709242225400
>197709242359320 197709251145009
>197709251215159 197709260825460
>197709261058580 197709271653119
>197709271715389 197709272158380
>197709290011460 197709290344590
>197709290601059 197709291046279
>197709291119570 197709300103410
>197709300214259 197709300251340
>197709300515480 197709301342009
>197709301410451 197709302044039
>197709302216329 197709302308490
>197709302332310 197709302342069
>197710010023539 197710010040530
>197710010115229 197710010204300
>197710010244420 197710010249209
>197710010316209 197710010415419
>197710010521209 197710010822179
>197710010928269 197710011604039
>197710011659029 197710011827500
>197710012306320 197710020151039
>197710020236370 197710020549099
>197710020611480 197710020629079
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
>01/30/1998 clint a-1t-77-cp.050
>/bear/programs/ngdc/unrefngdc/unrefngdc
>Integrated navigation (SINS) data
>
19980130
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Bathymetry Data
>10/31/1998 /lion/a/a1t77cp/bath/a-1t-77-cp.320_050
>/bear/programs/edit/automerge/automerge
>
>Input was...
>01/30/1998 clint a-1t-77-cp.320
>/bear/programs/ngdc/unrefngdc/unrefngdc
>Edited bathymetry data with corrected depths
>
>Input was...
>01/30/1998 clint a-1t-77-cp.050
>/bear/programs/ngdc/unrefngdc/unrefngdc
>Integrated navigation (SINS) data
>
>time, lat, long, time(sec) to nearest nav fix, data values
19981031
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Tonga, Central Pacific
Point
Point
0.00001
0.00001
Decimal degrees
North American Datum of 1927
Clarke 1866
6378206.4
294.98
Local surface
0.1
meters
Attribute values
Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Downloadable Data A-1T-77-CP data set <http://walrus.wr.usgs.gov/infobank/a/a1t77cp/html/a-1t-77-cp.meta.html>
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.
ASCII
No compression applied
0.1
http://walrus.wr.usgs.gov/infobank/a/a1t77cp/html/a-1t-77-cp.nav.html
ASCII
No compression applied
0.3
http://walrus.wr.usgs.gov/infobank/a/a1t77cp/html/a-1t-77-cp.bath.html
None
20130331
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/>
FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>
universal time
none
none