Identification_Information: Citation: Citation_Information: Originator: Seth Ackerman Originator: Pat Hart Originator: Ray Sliter Originator: Brandon Dugan Publication_Date: 2005 Title: AV_G103GM_LINES.SHP - Tracklines for multichannel seismic data collected by the USGS in the Atwater Valley area aboard the R/V GYRE Cruise G1-03-GM (03001) Edition: 1.0 Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: Open-File Report Issue_Identification: 2005-1071 Publication_Information: Publication_Place: Woods Hole Science Center, Woods Hole, MA Publisher: U.S. Geological Survey, Coastal and Marine Geology Program Online_Linkage: http://pubs.usgs.gov/of/2005/1071/data/seismic/2003/atwater/nav/av_g103gm_lines.zip Larger_Work_Citation: Citation_Information: Originator: Twichell, D.C. Originator: Cross, V.A. Originator: Paskevich, V.F. Originator: Hutchinson, D.R. Originator: Winters, W.J. Originator: Hart, P.E. Publication_Date: 2005 Title: GIS of selected geophysical and core data in the northern Gulf of Mexico continental slope collected by the U.S. Geological Survey Edition: 1.0 Series_Information: Series_Name: Open-File Report Issue_Identification: 2005-1071 Publication_Information: Publication_Place: Woods Hole Science Center, Woods Hole, MA Publisher: U.S. Geological Survey, Coastal and Marine Geology Program Other_Citation_Details: 1 DVD-ROM Online_Linkage: http://pubs.usgs.gov/of/2005/1071 Description: Abstract: This line shapefile contains navigation of the lines for the multichannel seismic survey that was conducted in the Atwater Valley area of the Gulf of Mexico during USGS cruise G1-03-GM aboard the R/V Gyre in the Gulf of Mexico in May, 2003. The purpose of this cruise was to collect multichannel seismic data in support of USGS and Department of Energy gas hydrate studies. About 253 km of data were collected along 35 short lines in and around lease block Atwater Valley 14 on the floor of the Mississippi Canyon. Purpose: This GIS overlay is a component of the U.S. Geological Survey, Woods Hole Science Center's, Gulf of Mexico GIS database. The Gulf of Mexico GIS database is intended to organize and display USGS held data and provide on-line (WWW) access to the data and/or metadata. Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20030503 Ending_Date: 20030516 Currentness_Reference: ground condition Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -89.699738 East_Bounding_Coordinate: -89.248831 North_Bounding_Coordinate: 28.157523 South_Bounding_Coordinate: 27.910096 Keywords: Theme: Theme_Keyword_Thesaurus: General Theme_Keyword: navigation Theme_Keyword: multichannel Theme_Keyword: seismic Theme_Keyword: shapefile Theme_Keyword: U.S. Geological Survey Theme_Keyword: USGS Theme_Keyword: Coastal and Marine Geology Program Theme_Keyword: CMGP Theme_Keyword: Woods Hole Science Center Theme_Keyword: WHSC Theme_Keyword: field activity number G1-03-GM Theme_Keyword: field activity number G103GM Theme_Keyword: WHSC field activity serial number 03001 Theme_Keyword: cruise identifier TAMU03-G-4 Theme_Keyword: Information Archives Field Activity 03001 Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: oceans and estuaries Theme_Keyword: geoscientificInformation Theme_Keyword: location Place: Place_Keyword_Thesaurus: General Place_Keyword: Gulf of Mexico Place_Keyword: Atwater Valley Place_Keyword: Mississippi Canyon Access_Constraints: None Use_Constraints: Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Deborah Hutchinson Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2263 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: dhutchinson@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2005/1071/data/seismic/2003/atwater/nav/av_g103gm_lines-thumb.gif Browse_Graphic_File_Description: Thumbnail image showing the extent and coverage of the data layer. Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2005/1071/data/seismic/2003/atwater/nav/av_g103gm_lines.gif Browse_Graphic_File_Description: Overview image showing the extent and coverage of the data layer. Browse_Graphic_File_Type: GIF Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.0.0.535 Data_Quality_Information: Logical_Consistency_Report: No additional checks for topological consistency were performed on the data. No duplicate features are present. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: DGPS navigation was collected using a Trimble (model G-437) receiver Lineage: Process_Step: Process_Description: Navigation file exported from seg-y headers in ProMAX and saved to Marfac Snap2. NOTE: Navigation reflects the location of the GPS antenna. Shift to the actual shot location will be applied later. Process_Date: 20030507 Source_Produced_Citation_Abbreviation: ProMAX created .nav file Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Ray Sliter Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing and physical address Address: USGS - Menlo Park Address: 345 Middlefield Rd. City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: USA Contact_Voice_Telephone: (650) 329-5194 Contact_Facsimile_Telephone: (650) 329-5190 Contact_Electronic_Mail_Address: rsliter@usgs.gov Process_Step: Process_Description: Navigation file opened in MS Excel, arc milliseconds for X and Y coordinates were converted to decimal degrees (by dividing the each of the arc-millisecond values by 3,600,000 and creating the two new attribute fields X_DD and Y_DD) [excel file ##to##sda.xls]. A header line was added to the table in Excel. Source_Used_Citation_Abbreviation: ProMAX created .nav file Process_Date: 20030507 Source_Produced_Citation_Abbreviation: ##to##_2gis.txt Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Process_Step: Process_Description: Imported the text file of X/Y coordinates (Decimal Degrees) into ArcMap 8.2. Set projection to Geographic - NAD83 and exported as a point shapefile (##to##_geo.shp) Source_Used_Citation_Abbreviation: ##to##_2gis.txt Process_Date: 20030507 Source_Produced_Citation_Abbreviation: ##to##_geo.shp Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Process_Step: Process_Description: In ArcToolbox 8.2 reprojected the point theme (##to##_geo.shp) to the appropriate UTM zone (zone 15 for Keathley Canyon or zone 16 for Atwater Valley) Source_Used_Citation_Abbreviation: ##to##_geo.shp Process_Date: 20030507 Source_Produced_Citation_Abbreviation: ##to##_utm##.shp where for utm##, the ## is the utm zone (zone 15 for Keathley Canyon or zone 16 for Atwater Valley regions) Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Process_Step: Process_Description: XY values were added to the UTM projected shapefile creating 2 new attribute fields (X_COORD and Y_COORD) with the utm coordinates for the points. Source_Used_Citation_Abbreviation: ##to##_utm##.shp Process_Date: 20030507 Source_Produced_Citation_Abbreviation: ##to##_utm##.shp with utm coordinates added to the attribute table Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Process_Step: Process_Description: Navigation exported as ASCII text file. Matlab process to shift the navigation fixes to reflect that of the actual shot location (currently nav reflects the location of the GPS antenna). Outfile header will be "yr jd time GPS_x_utm GPS_y_utm Line shot ffid sht_x_utm sht_y_utm" Source_Used_Citation_Abbreviation: ##to##_utm##.shp with utm coordinates added to the attribute table Process_Date: 20030507 Source_Produced_Citation_Abbreviation: KC##new.txt or AV##new.txt Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Brandon Dugan Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2218 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: bdugan@usgs.gov Process_Step: Process_Description: Navigation (corrected with a shift to reflect the shot location) taken back into ProMAX. Then file of CDP locations (g1cdp.nav) exported from ProMAX. File split into kc_cdp.nav and av_cdp.nav, then awk script to reformat the output. CDP points into ArcView 3.3 and saved as shapefiles g1cdp_nav_kc_geo.shp and g1cdp_nav_av_geo.shp. Source_Used_Citation_Abbreviation: g1cdp.nav (kc_cdp.nav/av_cdp.nav) Process_Date: 20030507 Source_Produced_Citation_Abbreviation: g1cdp_nav_kc_utm15.shp/g1cdp_nav_av_utm16.shp Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Process_Step: Process_Description: In ArcToolbox 8.2, reprojected the UTM point shapefiles to geographic NAD83 projection creating the files: g1cdp_nav_kc_utm15.shp --> g1cdp_nav_kc_geo.shp g1cdp_nav_av_utm16.shp --> g1cdp_nav_av_geo.shp and added the geographic coordinates in ArcMap using the Xtools extension. Source_Used_Citation_Abbreviation: g1cdp_nav_kc_utm15.shp/g1cdp_nav_av_utm16.shp Process_Date: 20030507 Source_Produced_Citation_Abbreviation: g1cdp_nav_kc_geo.shp/g1cdp_nav_av_geo.shp Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Process_Step: Process_Description: point shapefiles converted to lines with VeeAnn Cross' avenue script "navpnts2line.ave": g1cdp_nav_kc_geo.shp (pts) --> kc_g103gm_lines.shp (polyline) g1cdp_nav_av_geo.shp (pts) --> av_g103gm_lines.shp (polyline) Source_Used_Citation_Abbreviation: g1cdp_nav_kc_geo.shp/g1cdp_nav_av_geo.shp Process_Date: 20041028 Source_Produced_Citation_Abbreviation: kc_g103gm_lines.shp/av_g103gm_lines.shp Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Process_Step: Process_Description: Metadata created in TKME and imported with ArcCatalog9. Source_Used_Citation_Abbreviation: c:\temp\xmlB6C.tmp Process_Date: 20041028 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: String Point_and_Vector_Object_Count: 38 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 0.000000 Longitude_Resolution: 0.000000 Geographic_Coordinate_Units: Decimal degrees Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1983 Ellipsoid_Name: Geodetic Reference System 80 Semi-major_Axis: 6378137.000000 Denominator_of_Flattening_Ratio: 298.257222 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: av_g103gm_lines Entity_Type_Definition: shapefile Entity_Type_Definition_Source: ESRI Attribute: Attribute_Label: FID Attribute_Definition: Internal feature number. Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Sequential unique whole numbers that are automatically generated. Attribute: Attribute_Label: Shape Attribute_Definition: Feature geometry. Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Coordinates defining the features. Attribute: Attribute_Label: ID Attribute_Definition: Internal feature number Attribute_Definition_Source: ESRI Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 37 Attribute: Attribute_Label: LINENAME Attribute_Definition: Line name and number which corresponds with names of seismic profiles. Attribute_Definition_Source: USGS Attribute_Domain_Values: Unrepresentable_Domain: Character string identifying the survey line. Attribute: Attribute_Label: LENGTH Attribute_Definition: Length of survey line in meters Attribute_Definition_Source: USGS Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 4884.367 Range_Domain_Maximum: 27364.822 Attribute_Units_of_Measure: meters Attribute_Measurement_Resolution: .001 Attribute: Attribute_Label: IMAGE Attribute_Definition: Directory path to seismic image that corresponds with the survey line. Attribute_Definition_Source: USGS Attribute_Domain_Values: Unrepresentable_Domain: Character string containing relative path to image that corresponds with the survey line. Distribution_Information: Distributor: Contact_Information: Contact_Person_Primary: Contact_Person: Deborah Hutchinson Contact_Organization: U.S. Geological Survey Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-548-8700 x2263 Contact_Facsimile_Telephone: 508-457-2301 Contact_Electronic_Mail_Address: dhutchinson@usgs.gov Resource_Description: Downloadable Data Distribution_Liability: Although this data set has been used by the U.S. Geological Survey (USGS), no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm 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: SHP Format_Version_Number: 3.3 Format_Specification: ESRI polyline shapefile Format_Information_Content: The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBase format. The PRJ file contains the coordinate system information (optional). The AVL file contains the legend information (optional). The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set .shp.xml. An ASCII version of the metadata file. A browse graphic showing the data layer coverage and extent (optional). File_Decompression_Technique: zip Transfer_Size: 0.742 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/2005/1071/data/seismic/2003/atwater/nav/av_g103gm_lines.zip Access_Instructions: Data may be retrieved via any WWW browser. Offline_Option: Offline_Media: DVD-ROM Recording_Capacity: Recording_Density: 4.75 Recording_Density_Units: Gbytes Recording_Format: UDF Fees: None Technical_Prerequisites: The data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS® or ArcView® 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing data. A free data viewer, arcexplorer, capable of displaying the data is available from ESRI at www.esri.com. Metadata_Reference_Information: Metadata_Date: 20051213 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Seth Ackerman Contact_Organization: U.S. Geological Survey Contact_Position: GIS Technician Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543 Country: USA Contact_Voice_Telephone: (508) 548-8700 x2315 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: sackerman@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: universal time Metadata_Access_Constraints: None Metadata_Use_Constraints: None Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile