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Multichannel Sesmic and Sidescan Sonar data of field activity 99002 (G-1-99-GM) in Northern Gulf of Mexico - Louisiana continental slope from 04/09/1999 to 04/21/1999

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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: 20131029
Title:
Multichannel Sesmic and Sidescan Sonar data of field activity 99002 (G-1-99-GM) in Northern Gulf of Mexico - Louisiana continental slope from 04/09/1999 to 04/21/1999
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/g-1-99-gm.fmeta.xml>
Online_Linkage:
<http://walrus.wr.usgs.gov/infobank/g/g199gm/html/g-1-99-gm.meta.html>
Online_Linkage: <http://quashnet.er.usgs.gov/data/1999/99002/index.html>

Description:
Abstract:
United States Geological Survey, Woods Hole, Massachusetts. Chief Scientists: Alan Cooper, Dave Twichell. Multichannel Sesmic and Sidescan Sonar data (24channel, sidescansonar, SIS1000, Huntec, 2channelwatergun) of field activity 99002 (G-1-99-GM) in Northern Gulf of Mexico - Louisiana continental slope from 04/09/1999 to 04/21/1999, <http://walrus.wr.usgs.gov/infobank/g/g199gm/html/g-1-99-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 -
24channel high-resolution mcs
sidescansonar
SIS1000 CHIRP seismic
Huntec Huntec seismic
2channelwatergun
Publications -
Cooper, Alan, Twichell, David, and Hart, Patrick, 1999, A seismic-reflection
investigation of gas hydrates and sea-floor features of the upper continental
slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico:
Report for cruise G-1-99-GM (99002), US Geological Survey Open-File Report
990570, URL:
<A HREF ="<http://geopubs.wr.usgs.gov/open-file/of99-570/>" target = "OF"> <http://geopubs.wr.usgs.gov/open-file/of99-570/>

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: 19990409
Ending_Date: 19990421

Currentness_Reference: ground condition

Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed

Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -94.81837
East_Bounding_Coordinate: -91.42861
North_Bounding_Coordinate: 29.34556
South_Bounding_Coordinate: 27.36766

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
Theme_Keyword: Marine Geophysics
Theme_Keyword: Bathymetry
Theme_Keyword: Water Depth
Theme_Keyword: Seafloor Topography
Theme_Keyword: Marine Seismic

Place:
Place_Keyword_Thesaurus: USGS CMG InfoBank
Place_Keyword: Central Gulf of Mexico EEZ
Place_Keyword: Gulf Coast
Place_Keyword: Gulf of Mexico
Place_Keyword: Northern Gulf of Mexico - Louisiana continental slope
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>


Data_Set_Credit:
Alan Cooper (Chief Scientist, USGS Western Region); Dave Twichell (Chief Scientist, USGS-WHOI); Pat Hart (MCS Watchstander, USGS Western Region); Jeff Brody (MCS Watchstander, USGS Western Region); Chris Anton (Side Scan Watchstander, USGS-WHOI); Barry Irwin (Side Scan Watchstander, USGS-WHOI); Dave Foster (Chirp Seismic Processor, USGS-WHOI ); Bill Danforth (Side Scan Processor, USGS-WHOI); Dave Nichols (Electronics Technician & Side Scan Watchstander, USGS-WHOI); Larry Kooker (Electronics Technician, USGS Western Region); Tom O'Brien (Electronics Technician, USGS-WHOI); Hal Williams (Marine Technician, USGS Western Region); Walt Olson (Marine Technician, USGS Western Region); Graham Standen (Huntec Engineer, Geoforce Corp.)
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/1999/99002/index.html>
Other_Citation_Details:
Cooper, Alan, Twichell, David, and Hart, Patrick, 1999, A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico: Report for cruise G-1-99-GM (99002), US Geological Survey Open-File Report 990570, URL: <A HREF ="<http://geopubs.wr.usgs.gov/open-file/of99-570/>" target = "OF"> <http://geopubs.wr.usgs.gov/open-file/of99-570/>



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 (g-1-99-gm.063 [GPS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
199904091345404    199904091345404
199904091354304    199904091355304
199904091414503    199904091433304
199904091524403    199904091526203
199904091553403    199904091554403
199904091605203    199904091632003
199904091640104    199904091642303
199904091648003    199904091659103
199904091705403    199904091717000
199904091729000    199904092137403
199904092153405    199904092331104
199904092338104    199904110000002
199904110008401    199904142140303
199904142342204    199904150253404
199904150307304    199904180000100
199904180028400    199904180057202
199904180103200    199904201519303
199904201531304    199904201531504
199904201554000    199904211550402
199904211616102    199904211617302
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (g-1-99-gm.301_063)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
199904091817000    199904092137403
199904092153405    199904092331104
199904092338104    199904142140303
199904142342204    199904150253404
199904150307304    199904180017500
199904180038500    199904180057202
199904180103200    199904201519303
199904201617201    199904211550402
199904211616202    199904211617302
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Seismic Shots Data (g-1-99-gm.420_063)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
199904101751040    199904102236080
199904102254470    199904102359140
199904110009540    199904110013550
199904110021440    199904110202220
199904110228150    199904110312450
199904110320170    199904110330200
199904110400050    199904110425590
199904110438360    199904110438360
199904110445230    199904110542240
199904110550260    199904111130210
199904111218030    199904111248250
199904111255120    199904111316260
199904111322090    199904111350130
199904111400140    199904111523010
199904111534540    199904111619190
199904111630040    199904111825310
199904111831210    199904112049570
199904112103010    199904112338070
199904112346220    199904120013070
199904120021430    199904120050040
199904120058490    199904120125040
199904120137470    199904120449550
199904120458330    199904120830190
199904120902470    199904121343170
199904121355210    199904121732510
199904121740460    199904122144590
199904122203010    199904122309320
199904122332280    199904130228000
199904130308360    199904130443240
199904130449260    199904130702470
199904130713030    199904131113140
199904131123530    199904131521560
199904131534290    199904131904430
199904131921360    199904132328280
199904140021050    199904140035150
199904140327420    199904140443590
199904140450010    199904140456020
199904140555290    199904140752590
199904140810280    199904141045550
199904141052020    199904141202210
199904141215370    199904141225400
199904141231410    199904141237560
199904141252000    199904141508500
199904141520480    199904141538530
199904162112220    199904162344280
199904170003270    199904170019320
199904170241060    199904170500440
199904170508290    199904170818520
199904170827320    199904171456370
199904171510390    199904171622330
199904171628350    199904172033550
199904172050290    199904172332210
199904180116110    199904180146320
199904180158230    199904180421470
199904180456060    199904180456060
199904180503010    199904180848330
199904180854350    199904180856360
199904180903370    199904181008560
199904181353590    199904181358410
199904181408550    199904182136100
199904182143230    199904182256390
199904182307030    199904190159190
199904190205200    199904190742240
199904190753110    199904190908290
199904190914310    199904191449310
199904191457060    199904191551220
199904191557230    199904192024460
199904192037180    199904200034270
199904200056250    199904200118440
199904200124460    199904200543390
199904200611360    199904200951180
199904200959210    199904201124270
199904201136410    199904201518430
199904201558210    199904201600220
199904201606230    199904201930370
199904201936330    199904202142160
199904202147480    199904202222000
199904202232080    199904202330550
199904202342440    199904210029070
199904210121060    199904210203330
199904210213440    199904210231580
199904210238010    199904210549380
199904210559350    199904210944060
199904210950050    199904211321020
199904211326310    199904211425020
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
Clint 6/10/99
Adjusted bad navigation from:
   19991080028400 to 19991080104100
by
   adding 0.00880 degrees to latitude
   subtracting 0.03950 from longitude
Bad navigation apparently caused by system crash
at start of JD 108, then improper position
when system restarted at 19991080028400

Process_Date: 19990610

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>

Process_Step:
Process_Description:
Bathymetry Data
02/07/2002 ghatcher g-1-99-gm.301_063
/infobank/programs/edit/automerge/automerge
merged nav and bathy

Input was...
06/03/1999 clint /tiger/g/g199gm/bath/g-1-99-gm.301
nozerobathy
Raw depth (bathymetry) data
Bathy values of 0.0 removed.

Input was...
Clint 6/10/99
Adjusted bad navigation from:
   19991080028400 to 19991080104100
by
   adding 0.00880 degrees to latitude
   subtracting 0.03950 from longitude
Bad navigation apparently caused by system crash
at start of JD 108, then improper position
when system restarted at 19991080028400

time, lat, long, time(sec) to nearest nav fix, data values
Process_Date: 20020207

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: Northern Gulf of Mexico - Louisiana continental slope
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

Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257

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:
Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>

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

Overview_Description:
Entity_and_Attribute_Overview:
Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.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 99002 (G-1-99-GM) data set <http://walrus.wr.usgs.gov/infobank/g/g199gm/html/g-1-99-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: 3.6

Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<http://walrus.wr.usgs.gov/infobank/g/g199gm/html/g-1-99-gm.nav.html>

Digital_Form:
Digital_Transfer_Information:
Format_Name: ASCII
File_Decompression_Technique: No compression applied
Transfer_Size: 5.4

Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<http://walrus.wr.usgs.gov/infobank/g/g199gm/html/g-1-99-gm.bath.html>

Digital_Form:
Digital_Transfer_Information:
Format_Name: ASCII
File_Decompression_Technique: No compression applied
Transfer_Size: 0.3

Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<http://walrus.wr.usgs.gov/infobank/g/g199gm/html/g-1-99-gm.seis.html>

Fees: None



Metadata_Reference_Information:

Metadata_Date: 20131029

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 Oct 29 10:40:52 PDT 2013  (chd)