U.S. Geological Survey Data Series 254

Seismic Profiles

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Below are thumbnail images of each line with links to full-size printable and interactive seismic reflection profiles. The printable profiles are GIF images that were gained using Seismic Unix software. These images are stored in the PRINTABLE folder. Refer to the Software page for details about the processing and examples of the processing scripts. The Survey Map shows the location of each profile and contains links to the interactive profiles, printable profiles, and line navigation maps.

The processed SEG-Y data were then exported to CTI SonarWeb software to produce interactive versions of the profiles that allow the user to obtain a geographic location and depth from the profile for a cursor position. This information is displayed in the status bar of the browser. The interactive profiles, which are stored in the INTERACTIVE folder, have been corrected for the offset between the shotpoint and GPS antenna (see fig. 1).

Note: The only supported Web browsers that properly display all features of the interactive profiles are Internet Explorer 6 for Windows and Firefox 1.5 for all platforms. Use of other browsers may result in spurious or no information given in the status window. Firefox may be downloaded at http://www.mozilla.org/products/firefox.

Browser setup for viewing interactive profiles:
For all browsers, the status bar and JavaScript must be enabled. Firefox also requires "Change status bar text" to be checked under Advanced JavaScript Settings.

Table 2 lists trackline statistics for 06FSH01.

NOTE: Depths shown are relative to the depth of the towfish, not to sea level

*No navigation was written to the SEG-Y headers for most of line 06c01; therefore, no line navigation map, interactive profile, or trackline statistics could be created for this line. However, navigation was collected for a coincident sidescan sonar trackline. This sidescan sonar navigation was merged with the Chirp shotpoints by the recorded time to create the reconstructed tracklines found on the location and survey maps. Incidentally, the sidescan sonar line started at shotpoint 1500, so no navigation exists for the first 1499 shots of line 06c01.

SEG-Y Format
How to Download SEG-Y Data
FGDC Metadata

Line: 06c01 13602 traces:
Start of line: 06c01*     SHOT=1   day=0  hour=0   minute=0   second=0
End of line:   06c01 SHOT=13602 day=130 hour=14  minute=17  second=24
06c01 thumbnail

Line: 06c02  3257 traces:
Start of line: 06c02     SHOT=1 day=130 hour=14  minute=17  second=24
End of line:   06c02  SHOT=3257 day=130 hour=14  minute=30  second=55
06c02 thumbnail

Line: 06c03 14371 traces:
Start of line: 06c03     SHOT=1 day=130 hour=14  minute=36  second=21
End of line:   06c03 SHOT=14371 day=130 hour=15  minute=36   second=2
06c03 thumbnail

Line: 06c04 14590 traces:
Start of line: 06c04     SHOT=1 day=130 hour=15  minute=42  second=15
End of line:   06c04 SHOT=14590 day=130 hour=16  minute=42  second=51
06c04 thumbnail

Line: 06c05 13905 traces:
Start of line: 06c05     SHOT=1 day=130 hour=16  minute=47  second=35
End of line:   06c05 SHOT=13905 day=130 hour=17  minute=45  second=21
006c05 thumbnail

Line: 06c06 14140 traces:
Start of line: 06c06     SHOT=1 day=130 hour=17  minute=50  second=35
End of line:   06c06 SHOT=14140 day=130 hour=18  minute=49  second=20
06c06 thumbnail

Line: 06c07 13500 traces:
Start of line: 06c07     SHOT=1 day=130 hour=18  minute=53  second=26
End of line:   06c07 SHOT=13500 day=130 hour=19  minute=49  second=31
06c07 thumbnail

Line: 06c08 14026 traces:
Start of line: 06c08     SHOT=1 day=130 hour=19  minute=53  second=44
End of line:   06c08 SHOT=14026 day=130 hour=20  minute=51  second=59
06c08 thumbnail

Line: 06c09 13802 traces:
Start of line: 06c09     SHOT=1 day=130 hour=20  minute=59  second=36
End of line:   06c09 SHOT=13802 day=130 hour=21  minute=56  second=56
06c09 thumbnail

Line: 06c10 14881 traces:
Start of line: 06c10     SHOT=1 day=131 hour=13  minute=24   second=3
End of line:   06c10 SHOT=14881 day=131 hour=14  minute=25  second=51
06c10 thumbnail

Line: 06c11 14033 traces:
Start of line: 06c11     SHOT=1 day=131 hour=14  minute=32  second=32
End of line:   06c11 SHOT=14033 day=131 hour=15  minute=30  second=47
06c11 thumbnail

Line: 06c12 14677 traces:
Start of line: 06c12     SHOT=1 day=131 hour=15  minute=35  second=45
End of line:   06c12 SHOT=14677 day=131 hour=16  minute=36  second=41
06c12 thumbnail

Line: 06c13 14382 traces:
Start of line: 06c13     SHOT=1 day=131 hour=16  minute=44  second=47
End of line:   06c13 SHOT=14382 day=131 hour=17  minute=44  second=30
06c13 thumbnail

Line: 06c14 14985 traces:
Start of line: 06c14     SHOT=1 day=131 hour=17  minute=56  second=57
End of line:   06c14 SHOT=14985 day=131 hour=18  minute=59  second=10
06c14 thumbnail

Line: 06c15 13605 traces:
Start of line: 06c15     SHOT=1 day=131 hour=19   minute=9  second=28
End of line:   06c15 SHOT=13605 day=131 hour=20   minute=5  second=58
06c15 thumbnail

Line: 06c16 15686 traces:
Start of line: 06c16     SHOT=1 day=131 hour=20  minute=10   second=4
End of line:   06c16 SHOT=15686 day=131 hour=21  minute=15  second=12
06c16 thumbnail

Line: 06c17 12098 traces:
Start of line: 06c17     SHOT=1 day=135 hour=15  minute=56   second=9
End of line:   06c17 SHOT=12098 day=135 hour=16  minute=46  second=24
06c17 thumbnail

Line: 06c18 13856 traces:
Start of line: 06c18     SHOT=1 day=135 hour=16  minute=52  second=39
End of line:   06c18 SHOT=13856 day=135 hour=17  minute=50  second=12
06c18 thumbnail

Line: 06c19 12511 traces:
Start of line: 06c19     SHOT=1 day=135 hour=17  minute=53  second=20
End of line:   06c19 SHOT=55 day=135 hour=18  minute=48  second=33
06c19 thumbnail

Line: 06c20 13583 traces:
Start of line: 06c20     SHOT=1 day=135 hour=18  minute=50  second=16
End of line:   06c20 SHOT=13583 day=135 hour=19  minute=46  second=40
06c20 thumbnail

Line: 06c21 12057 traces:
Start of line: 06c21     SHOT=1 day=135 hour=19  minute=50  second=51
End of line:   06c21 SHOT=12057 day=135 hour=20  minute=40  second=55

06c21 thumbnail

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