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Data of field activity 85028 (F-2-85-GM) in Gulf Mexico from 09/05/1985 to 09/29/1985

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Identification_Information:

Citation:
Citation_Information:
Originator:
U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>
Publication_Date: 20140318
Title:
Data of field activity 85028 (F-2-85-GM) in Gulf Mexico from 09/05/1985 to 09/29/1985
Publication_Information:
Publisher:
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Publication_Place: Menlo Park, CA
Online_Linkage: <http://walrus.wr.usgs.gov/infobank/gos/f-2-85-gm.fmeta.xml>
Online_Linkage:
<http://walrus.wr.usgs.gov/infobank/f/f285gm/html/f-2-85-gm.meta.html>
Online_Linkage: <http://quashnet.er.usgs.gov/data/1985/85028/index.html>

Description:
Abstract:
United States Geological Survey, Reston, Virginia. Chief Scientists: Bonnie McGregor, Neil Kenyon. Data (sidescansonar, airgun, 3dot5khz, 10khz, magnetics, loranc, transitsatellite, gps) of field activity 85028 (F-2-85-GM) in Gulf Mexico from 09/05/1985 to 09/29/1985, <http://walrus.wr.usgs.gov/infobank/f/f285gm/html/f-2-85-gm.meta.html>.
Purpose:
These data and information are intended for science researchers, students from elementary through college, policy makers, and general public.
Supplemental_Information:

Equipment Used -
sidescansonar GLORIA long-range side-scan sonar
airgun 160 and 80 cu in single-channel seismic-reflection system
3dot5khz 3.5 khz bathymetry
10khz 10 khz bathymetry
magnetics
loranc Loran C
transitsatellite Satellite receiver
gps Global Positioning System
Notes -
LEG 2:
&nbsp;&nbsp;
Leg 2 focused in the central Gulf of Mexico on the Mississippi Fan
seaward of Louisiana, Mississippi, Alabama, and Florida. The area mapped
with GLORIA on this leg was approximately 45,000 square nautical miles.
&nbsp;&nbsp;
Data Summary - Leg 2
&nbsp;&nbsp;
At sea total number of days: 24 days
&nbsp;&nbsp;
Mileage for each type of data collected:
&nbsp;&nbsp;
GLORIA sidescan 4520 nm 8362 km
&nbsp;&nbsp;
3.5 kHz 4543 nm 8405 km
&nbsp;&nbsp;
10 kHz 4594 nm 8504 km
&nbsp;&nbsp;
air gun 4330 nm 8010 km
&nbsp;&nbsp;
magnetometer 4594 nm 8504 km
&nbsp;&nbsp;
Comments Leg 2:
&nbsp;&nbsp;
The cruise was very successful. Equipment down time was minimal.
The warm surface water temperature continued to limit the GLORIA range
necessitating closer line spacing than planned. The presence of the Loop
Current for the last half of the cruise not only provided warm surface
water temperatures, but also a strong current, often approaching 4 knots.
The current shear prevented the GLORIA fish from towing parallel to the
ship's track, introducing some distortion in the mosaic. In the northeast
portion of the Gulf, near DeSoto Canyon, fishing boats with lines set
across our proposed track caused a problem requiring several lines to be
terminated early. Leg 3A will collect data to cover these data gaps. An
additional 8 days will be necessary on Leg 3 to complete the coverage of the
Mississippi Fan.
&nbsp;&nbsp;
The objective of this leg was to map the surface features in the
Mississippi Fan area. Although the channel of the Mississippi could be
identified on the mid-fan, over much of the fan the channel was obscured by
a major submarine slide or slides. Flow patterns were well displayed on the
surface and the slide could be mapped to the base of the West Florida
Escarpment. Another submarine slide was also present in the DeSoto Canyon
area. The meandering channel from DeSoto Canyon was traced from this
slide seaward parallel to the escarpment. Mass wasting appears to be an
important process in distributing sediments in the deep water of the central
Gulf. The Sigsbee Escarpment was mapped to the east as far as the
Mississippi Canyon. Isolated salt diapirs were present to the east of the
Mississippi Canyon.
Publications -
Paskevich, Valerie F.; Wong, Florence L.; O'Malley, John J.; Stevenson,
Andrew J.; Gutmacher, Christina E., 2010, 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,
<A HREF="<http://pubs.er.usgs.gov/publication/ofr20101332>"
target="OF1"><http://pubs.er.usgs.gov/publication/ofr20101332>.
&nbsp;&nbsp;
Twichell, David C., and Paskevich, Valerie, 1996, GLORIA sidescan sonar
field data and navigation data collected in the Gulf of Mexico during
R/V Farnella cruises in 1982 and 1985: U.S. Geological Survey Open-File
Report 96-707,
<A HREF="
<http://woodshole.er.usgs.gov/publications/of96-707/OPR96_707/INTRO.HTM>"
target="OF2"><http://woodshole.er.usgs.gov/publications/of96-707/OPR96_707/INTRO.HTM>.

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.).
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 19850905
Ending_Date: 19850929

Currentness_Reference: ground condition

Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed

Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -90.61030
East_Bounding_Coordinate: -85.14300
North_Bounding_Coordinate: 29.20430
South_Bounding_Coordinate: 25.08760

Keywords:
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificinformation
Theme_Keyword: oceans
Theme:
Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
Theme_Keyword: EARTH SCIENCE > OCEANS
Theme:
Theme_Keyword_Thesaurus: USGS CMG InfoBank
Theme_Keyword: Marine Geology

Place:
Place_Keyword_Thesaurus: USGS CMG InfoBank
Place_Keyword: Central Gulf of Mexico EEZ
Place_Keyword: Gulf Coast
Place_Keyword: Gulf Mexico
Place_Keyword: Gulf of Mexico
Place_Keyword: USA


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.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Contact_Person: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Position:
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Address:
Address_Type: mailing and physical address
Address: USGS, MailStop 999, 345 Middlefield Road
City: Menlo Park
State_or_Province: CA
Postal_Code: 94025-3561
Country: USA

Contact_Voice_Telephone: (650) 329-5055
Contact_Facsimile_Telephone: (650) 329-5190

Contact_Electronic_Mail_Address:
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>


Browse_Graphic:
Browse_Graphic_File_Name:
<http://walrus.wr.usgs.gov/infobank/f/f285gm/html/f-2-85-gm.nav.gif>
Browse_Graphic_File_Description: Trackline map of F-2-85-GM
Browse_Graphic_File_Type: GIF

Data_Set_Credit:
Bonnie McGregor (Chief Scientist, USGS Miami); Dave Twichell (Chief Scientist, USGS Woods Hole); John Schlee (Geologist, USGS Woods Hole); Ron Circe (Unsp, USGS Woods Hole); John Wagner (Geologist, LSU (Louisiana State University, USA)); Malcolm Harris (GLORIA Engineer, IOS (Institute of Oceanographic Sciences, U.K.)); Neil Kenyon (Chief Scientist, IOS); Eric Darlington (GLORIA Engineer, IOS); Colin Jacobs (Geologist, IOS); Ross Walker (GLORIA Engineer, IOS); Robert Wallace (Airgun Tech, IOS); Stephen Williams (Geologist, IOS); Martin Beney (Shipboard Computing, RVS (Research Vessel Services, U.K.)); Roy Hadgraft (Captain, J. Marr and Sons)
Native_Data_Set_Environment: Digital, ASCII
Cross_Reference:
Citation_Information:
Originator:
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Publication_Date: Unknown
Title: USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>
Publication_Information:
Publisher:
U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Publication_Place: Menlo Park, CA
Online_Linkage: <http://walrus.wr.usgs.gov/infobank/>
Online_Linkage: <http://quashnet.er.usgs.gov/data/1985/85028/index.html>
Other_Citation_Details:
Paskevich, Valerie F.; Wong, Florence L.; O'Malley, John J.; Stevenson, Andrew J.; Gutmacher, Christina E., 2010, 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, <A HREF="<http://pubs.er.usgs.gov/publication/ofr20101332>" target="OF1"><http://pubs.er.usgs.gov/publication/ofr20101332>. &nbsp;&nbsp; Twichell, David C., and Paskevich, Valerie, 1996, GLORIA sidescan sonar field data and navigation data collected in the Gulf of Mexico during R/V Farnella cruises in 1982 and 1985: U.S. Geological Survey Open-File Report 96-707, <A HREF="<http://woodshole.er.usgs.gov/publications/of96-707/OPR96_707/INTRO.HTM>" target="OF2"><http://woodshole.er.usgs.gov/publications/of96-707/OPR96_707/INTRO.HTM>.



Data_Quality_Information:

Attribute_Accuracy:
Attribute_Accuracy_Report: Identified as best available version.

Logical_Consistency_Report: Unspecified

Completeness_Report:
Start and end date/times of data
Navigation Data (f-2-85-gm.060 [GPS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198509061808000    198509280232000
198509280238000    198509281800000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report: Unspecified

Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report: Unspecified

Lineage:

Process_Step:
Process_Description:
Navigation Data
/infobank/f/f285gm/nav/f-2-85-gm.060
time/lat/long style, multi-record, in caps, without tabs
temporal-spatial data
copied and reformatted from Navigation Data R/V Farnella 85, Leg 2 in:
Twichell, David C., and Paskevich, Valerie, 1996, GLORIA sidescan sonar field data
and navigation data collected in the Gulf of Mexico during R/V Farnella cruises
in 1982 and 1985: U.S. Geological Survey Open-File Report 96-707,
<http://woodshole.er.usgs.gov/publications/of96-707/OPR96_707/INTRO.HTM>.
 - C Degnan, 3/18/2014
       1         2         3
3456789012345678901234567890123456

Process_Date: 20140318

Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Contact_Person: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Position:
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Address:
Address_Type: mailing and physical address
Address: USGS, MailStop 999, 345 Middlefield Road
City: Menlo Park
State_or_Province: CA
Postal_Code: 94025-3561
Country: USA

Contact_Voice_Telephone: (650) 329-5055
Contact_Facsimile_Telephone: (650) 329-5190

Contact_Electronic_Mail_Address:
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>



Spatial_Data_Organization_Information:

Indirect_Spatial_Reference: Gulf Mexico
Direct_Spatial_Reference_Method: Point

Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point



Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.00001
Longitude_Resolution: 0.00001
Geographic_Coordinate_Units: 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



Entity_and_Attribute_Information:

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



Distribution_Information:

Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Contact_Person: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Position:
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Address:
Address_Type: mailing and physical address
Address: USGS, MailStop 999, 345 Middlefield Road
City: Menlo Park
State_or_Province: CA
Postal_Code: 94025-3561
Country: USA

Contact_Voice_Telephone: (650) 329-5055
Contact_Facsimile_Telephone: (650) 329-5190

Contact_Electronic_Mail_Address:
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

Resource_Description:
Downloadable Data 85028 (F-2-85-GM) data set <http://walrus.wr.usgs.gov/infobank/f/f285gm/html/f-2-85-gm.meta.html>

Distribution_Liability:
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.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ASCII
File_Decompression_Technique: No compression applied
Transfer_Size: 1.0

Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<http://walrus.wr.usgs.gov/infobank/f/f285gm/html/f-2-85-gm.nav.html>

Fees: None



Metadata_Reference_Information:

Metadata_Date: 20140318

Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Contact_Person: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Position:
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>

Contact_Address:
Address_Type: mailing and physical address
Address: USGS, MailStop 999, 345 Middlefield Road
City: Menlo Park
State_or_Province: CA
Postal_Code: 94025-3561
Country: USA

Contact_Voice_Telephone: (650) 329-5055
Contact_Facsimile_Telephone: (650) 329-5190

Contact_Electronic_Mail_Address:
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

Metadata_Standard_Name:
FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/>

Metadata_Standard_Version: FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>

Metadata_Time_Convention: universal time
Metadata_Access_Constraints: none
Metadata_Use_Constraints: none


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Page Last Modified: Tue Mar 18 14:17:24 PDT 2014  (chd)