Identification_Information: Citation: Citation_Information: Originator: Larry Poppe Publication_Date: 2008 Title: RAFA07034_HRSRPROFILES.TXT: High-Resolution Seismic-Reflection Profiles in SEG-Y and JPEG Formats From the Cruise RAFA07034 in the Vicinity of Woods Hole, Offshore Massachusetts Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: Open-File Report Issue_Identification: 2008-1004 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/2008/1004/data/seismic/segy/ Online_Linkage: http://pubs.usgs.gov/of/2008/1004/data/seismic/jpeg_files/ Online_Linkage: http://pubs.usgs.gov/of/2008/1004/html/catalog.html/ Larger_Work_Citation: Citation_Information: Originator: L.J. Poppe Originator: K.Y. McMullen Originator: D.S. Foster Originator: D.S. Blackwood Originator: S.J. Williams Originator: S.D. Ackerman Originator: S.R. Barnum Originator: R.T. Brennan Publication_Date: 2008 Title: Sea-Floor Character and Sedimentary Processes in the Vicinity of Woods Hole, Massachusetts Edition: 1.0 Geospatial_Data_Presentation_Form: seismic reflection profile section Series_Information: Series_Name: Open-File Report Issue_Identification: 2008-1004 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/2008/1004/ Description: Abstract: The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA CZM), is producing detailed geologic maps of the coastal sea floor. Imagery, originally collected by NOAA for charting purposes, provides a fundamental framework for research and management activities along this part of the Massachusetts coastline, shows the composition and terrain of the seabed, and provides information on sediment transport and benthic habitat. Interpretive data layers were derived from multibeam echo-sounder and sidescan-sonar data collected in the vicinity of Woods Hole, a passage through the Elizabeth Islands, off Cape Cod, Massachusetts. In November 2007, bottom photographs, high-resolution seismic-reflection data, and Surficial sediment data were acquired as part of a ground-truth reconnaissance survey. Purpose: This data set includes seismic-reflection data in seg-y and jpeg formats collected along 11 lines in the vicinity of Woods Hole, offshore Massachusetts. The seismic data were collected during USGS survey 07034, conducted November 14-19, 2007. This data set was acquired to ground-truth acoustic data collected during NOAA hydrographic survey H11077. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 20071119 Currentness_Reference: ground condition Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -70.679670 East_Bounding_Coordinate: -70.655793 North_Bounding_Coordinate: 41.524258 South_Bounding_Coordinate: 41.507405 Keywords: Theme: Theme_Keyword_Thesaurus: General Theme_Keyword: U.S. Geological Survey Theme_Keyword: USGS Theme_Keyword: Woods Hole Science Center Theme_Keyword: WHSC Theme_Keyword: Coastal and Marine Geology Program Theme_Keyword: CMGP Theme_Keyword: RV Rafael Theme_Keyword: SEG-Y format Theme_Keyword: high-resolution seismic-reflection Theme_Keyword: seismic profiles Theme_Keyword: subbottom Theme_Keyword: Chirp Theme_Keyword: Chirp 512i Theme_Keyword: Field Activity Number 07034 Theme_Keyword: Open-File Report 2008-1004 Theme_Keyword: OFR 2008-1004 Theme_Keyword: jpeg format Theme_Keyword: segy Theme: Theme_Keyword_Thesaurus: ISO Topic Category Theme_Keyword: oceans and estuaries Theme_Keyword: oceans and coastal Theme_Keyword: location Theme_Keyword: oceans Place: Place_Keyword_Thesaurus: General Place_Keyword: Cape Cod Place_Keyword: Massachusetts Place_Keyword: Vineyard Sound Place_Keyword: northeast United States Place_Keyword: North America Place_Keyword: Atlantic Ocean Place_Keyword: Woods Hole Place_Keyword: Great Harbor Place_Keyword: Little Harbor Place_Keyword: Nonamesset Island Place_Keyword: Penzance Point Place_Keyword: Barnstable County Place_Keyword: Elizabeth Islands 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_Person_Primary: Contact_Person: Larry Poppe 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 Country: USA Contact_Voice_Telephone: 508-548-8700 x2314 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: lpoppe@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line1.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034. Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line2.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line3.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/jpeg_files/rafa07034_line4.jpg Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line5.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line6.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line7.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line8.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line9.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line10.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/gif_files/rafa07034_line11.gif Browse_Graphic_File_Description: Browse graphic showing Chirp 512i high-resolution seismic-reflection lines collected during RV Rafael cruise 07034 Browse_Graphic_File_Type: GIF Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.2.2.1350 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: All attributes were checked in a consistent manner. Logical_Consistency_Report: No additional checks for consistency were performed on this data. Completeness_Report: All available data along seismic acquisition lines collected during the RV Rafael cruise 07034 is included in this data set. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Horizontal_Positional_Accuracy_Report: Navigation was by GPS; positional accuracy to less than 30 m. Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Explanation: The Chirp 512i was towed astern of the RV Rafael on the water surface. A Garmin GPS receiver was mounted on the center of the tow vehicle. GPS data were transmitted to the RV Rafael and input to data acquisition system. Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: The vertical position was local sea level and there has been no corrections to a datum or for tidal variations. Lineage: Process_Step: Process_Description: High-resolution seismic-reflection data were collected during November 2007 aboard the Research Vessel Rafael. The seismic data were acquired digitally along 11 lines totaling approximately 12.6 km with an Edgetech SB-512i Chirp sub-bottom profiler (500 Hz - 12 kHz swept FM) at a 0.25-s fire rate, a 50-ms pulse length, and a 0.5 to 4.5 kHz sweep (swept frequency). These data were logged in the Edgetech raw format (JSF) using Edgetech Jstar acquisition software. Process_Date: 20071120 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: David Foster 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 Country: USA Contact_Voice_Telephone: 508-548-8700 x2271 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: dfoster@usgs.gov Process_Step: Process_Description: The Edgetech format (JSF) Chirp 512i data were converted to standard SEG-Y rev.1 format files using a C program written by Tom O'Brien (USGS, Woods Hole, MA). The parameters were set to extract and write the envelope trace data only. Process_Date: 20071120 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: David Foster Contact_Organization: U.S. Geologological 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 Country: USA Contact_Voice_Telephone: 508-548-8700 x2271 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: dfoster@usgs.gov Process_Step: Process_Description: A script was run that used Seismic Unix to read the SEG-Y files and plot the data as 8-bit gray scale Postscript files using the Seismic Unix 'psimage' algorithm at a scale of 4.16 ms per inch and 100 traces per inch. Process_Date: 20071120 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: David Foster 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 Country: USA Contact_Voice_Telephone: 508-548-8700 x2271 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: dfoster@usgs.gov Process_Step: Process_Description: The Postscript images were then converted to JPEG format with Imagemagick 5.5.6 Process_Date: 20071120 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: David Foster 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 Country: USA Contact_Voice_Telephone: 508-548-8700 x2271 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: dfoster@noaa.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Raster Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Entity point Point_and_Vector_Object_Count: 0 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 0.000003 Longitude_Resolution: 0.000003 Geographic_Coordinate_Units: seconds of arc Geodetic_Model: Horizontal_Datum_Name: D_WGS_1984 Ellipsoid_Name: WGS_1984 Semi-major_Axis: 6378137.000000 Denominator_of_Flattening_Ratio: 298.257224 Vertical_Coordinate_System_Definition: Depth_System_Definition: Depth_Datum_Name: Local surface Depth_Resolution: 0.001 Depth_Distance_Units: milliseconds Depth_Encoding_Method: Implicit coordinate Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: raf07034jpeg 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 Overview_Description: Entity_and_Attribute_Overview: Each profile is available as a binary file in Society of Exploration Geophysicists SEG-Y rev 1 format. A SEG-Y file consists of 1) a 3200-byte file identification record of EBCDIC encoded general information; 2) a 400-byte binary record with information such as sample rate and record length specific to the data set; and 3) multiple records, one seismic reflection trace per record. Each trace record is preceded by a 240-byte "trace header" containing information such as trace number and acquisition day and time specific to each trace. The trace data are represented as a time series of unitless 32-bit ieee real numbers proportional to the reflection coefficient. The SEG-Y file is useful only if you have access to specialized software designed to process and display seismic reflection data. Entity_and_Attribute_Detail_Citation: Barry, K.M., Cavers, D.A., and Kneale, C.W., 1975, Recommended standards for digital tape formats: Geophysics, v. 40, n. 2, p. 344 - 352. Entity_and_Attribute_Detail_Citation: Distribution_Information: Distributor: Contact_Information: Contact_Person_Primary: Contact_Person: Larry Poppe 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 Country: USA Contact_Voice_Telephone: 508-548-8700 x2314 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: lpoppe@usgs.gov Resource_Description: Downloadable Data Distribution_Liability: This dataset has been approved for release and publication by the USGS. Although it has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. 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: JPEG Format_Specification: SEG-Y rev. 1 File_Decompression_Technique: JPEG Transfer_Size: 0.000 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/segy/ Network_Resource_Name: http://pubs.usgs.gov/of/2008/1004/data/seismic/jpeg_files/ Network_Resource_Name: http://pubs.usgs.gov/of/2008/1004/html/catalog.html Access_Instructions: Data are downloadable via the World Wide Web (WWW) Offline_Option: Offline_Media: DVD Recording_Capacity: Recording_Density_Units: Gbytes Recording_Format: UDF Technical_Prerequisites: Use of SEG-Y data requires specialized software capable of reading SEG-Y standard files. Available_Time_Period: Time_Period_Information: Single_Date/Time: Calendar_Date: 2008 Metadata_Reference_Information: Metadata_Date: 20080402 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: David Foster 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 Country: USA Contact_Voice_Telephone: 508-548-8700 x2271 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: dfoster@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: local time Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile