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Open-File Report 2000–0340


Archive of Boomer Subbottom Data Collected During USGS Cruise SEAX 96004 New York Bight, 1 May - 9 June 1996

By Jenna C. Hill, William C. Schwab, and David S. Foster


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Introduction

This DVD-ROM (Digital Versatile Disc-Read Only Memory) has been produced in accordance with the ISO 9660 DVD-ROM Standard and is therefore capable of being read on any computing platform that has appropriate DVD-ROM driver software installed. Access to the data and information contained on this DVD-ROM was developed using the HyperText Markup Language (HTML) utilized by the World Wide Web (WWW) project. Development of the DVD-ROM documentation and user interface in HTML allows a user to access the information by using a variety of WWW information browsers (i.e. NCSA Mosaic, Netscape) to facilitate browsing and locating information and data. To access the information contained on this disk with a WWW client browser, open the file 'index.htm' at the top level directory of this DVD-ROM with your selected browser. The HTML documentation is written utilizing some HTML 4.0 enhancements. The disk should be viewable by all WWW browsers but may not properly format on some older WWW browsers.

Also, some links to USGS collaborators and other agencies are available on this DVD-ROM. These links are only accessible if access to the Internet is available during browsing of the DVD-ROM.

The archived Boomer subbottom data are in standard Society of Exploration Geologists (SEG) SEG-Y format (Barry and others, 1975) and may be downloaded for processing with software such as Seismic Unix or SIOSEIS. The subbottom data were recorded on the Mudseis data acquisition system in SEG-Y format. The conversion program processSegy was used to renumber the traces as trace 1 or traces 1 and 2 for 2-channel data and fill out the SEG-Y EBCDIC reel header. The Mudseis system begins with trace 0 instead of 1. Much of the information needed to process the data is stored in the SEG-Y headers: a 3200 byte EBCDIC reel header; a 400 byte binary reel header; and a 240 byte trace header for each seismic trace. DOS and Microsoft Windows compatible software for plotting SEG-Y files (PLOTSEIS) and viewing SEG-Y headers (DUMPSEGY) is located in the PLOTSEIS directory. Processed boomer profiles (GIF images) may be viewed on this DVD-ROM with your WWW browser.

Suggested Citation

Hill, J.C., Schwab, W.C., and Foster, D.S., 2000, Archive of boomer subbottom data collected during USGS cruise SEAX 96004 New York Bight, 1 May - 9 June 1996: U.S. Geological Survey Data Open-File Report 2000–0340, https://pubs.usgs.gov/of/2000/0340.

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