- Title:
-
Geophysical data of field activity J-2-81-NC in Carmel Bay,
Monterey Bay, Northern California from 06/23/1981 to
06/30/1981
- Abstract:
-
Chief Scientist: John Dingler. Geophysical data (12khz,
underwatercamera, underwatertelevision, sidescansonar,
miniranger, uniboom) of field activity J-2-81-NC in Carmel
Bay, Monterey Bay, Northern California from 06/23/1981 to
06/30/1981,
<http://walrus.wr.usgs.gov/infobank/j/j281nc/html/j-2-81-nc.meta.html>.
- Supplemental_Information:
-
Equipment Used -
12khz
underwatercamera
underwatertelevision
sidescansonar
miniranger
uniboom
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 J-2-81-NC in Carmel Bay, Monterey Bay, Northern California from 06/23/1981 to 06/30/1981: 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: -121.99479
- East_Bounding_Coordinate: -121.78840
- North_Bounding_Coordinate: 36.83649
- South_Bounding_Coordinate: 36.49711
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 23-Jun-1981
- Ending_Date: 30-Jun-1981
- 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: Carmel Bay, Monterey Bay, Northern California
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:
-
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?
Bill Clique (Unspecified Investigatr, USGS Western Region);
Roberto Anima (Geologist, USGS Western Region);
Bob Patrick (Electronics Technician, USGS Western Region);
Bruce Richmond (Geologist, USGS Western Region);
Don Hirschaut (Unspecified Investigator, USGS Western Region);
John Dingler (Chief Scientist, USGS Western Region);
Kaye Kinoshita (Navigator, USGS Western Region);
Mike Boyle (Electronics Technician, USGS Western Region);
Steve Wolf (Ship Captain, USGS Western Region)
- 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: 06-Dec-1995 (process 1 of 2)
-
Navigation Data
Converted to time format with year at start.
11/20/85 EDM DISK$USERDISK:[EDM.TEMP.J281NC]J281NC.650;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
Input was...
11/14/85 EDM USR$DISK:[CLINT.NAV1.J281NC]J281NCPT1.050;
DRA1:[EDM]REFORMAT.EXE;
Person who carried out this activity:
- Date: 31-Oct-1998 (process 2 of 2)
-
Bathymetry Data
10/31/1998 /tiger/j/j281nc/bath/j-2-81-nc.335_650
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
12/23/85 BECKIE DISK$USERDISK:[BECKIE.TEMP]J281NC.335;
DRB0:[DRS.BAT]BATRED.EXE;1
This file was hand-digetized in 2-way traveltime(secs).
1500m/sec assumed for 2-way sound velocity.
Input was...
Converted to time format with year at start.
11/20/85 EDM DISK$USERDISK:[EDM.TEMP.J281NC]J281NC.650;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
11/14/85 EDM USR$DISK:[CLINT.NAV1.J281NC]J281NCPT1.050;
DRA1:[EDM]REFORMAT.EXE;
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 (j-2-81-nc.650)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
198106231007260 198106231008070
198106231020260 198106231603540
198106240834170 198106240913170
198106240918360 198106240951450
198106241011280 198106241019070
198106241034590 198106241041290
198106241117400 198106241137140
198106241143010 198106241159310
198106241229240 198106241402280
198106241551190 198106241551190
198106241610320 198106241719140
198106250824240 198106251034210
198106251051420 198106251058290
198106251109060 198106251130060
198106251138010 198106251144360
198106251153120 198106251236030
198106251335510 198106251335510
198106251348030 198106251348030
198106251401410 198106251401410
198106251407010 198106251455360
198106251500470 198106251546560
198106291416240 198106291616300
198106300719480 198106300733280
198106300743450 198106301007190
198106301015100 198106301023430
198106301033480 198106301148060
198106301154020 198106301201370
198106301207270 198106301207270
198106301214140 198106301214400
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (j-2-81-nc.335_650)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
198106291428120 198106291509180
198106291514300 198106291539300
198106291544540 198106291613000
198106300720060 198106300819480
198106300827120 198106300859360
198106300907000 198106301007000
198106301023480 198106301055300
198106301111000 198106301140510
198106301153540 198106301214120
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 J-2-81-NC data set <http://walrus.wr.usgs.gov/infobank/j/j281nc/html/j-2-81-nc.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>)
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