Dataset description: 2010-012-FA-SE-001-01

SIOSEIS (SIOSEIS, 2007), Seismic Unix (Stockwell and Cohen, 2010) and SeisVision (Halliburton, 2010) were used to postprocess the raw Chirp seismic-reflection data. Navigation data were inspected and edited, static corrections were applied to correct for fish depth beneath the sea surface, seafloor reflections were identified by peak amplitude, and sea-surface heave was removed. Final trace data, plotted as PNG images, and geo-located trackline files are presented in this report.

Comments:

alternate archive location of data available at http://cmgds.marine.usgs.gov/data/2010_012_FA/

Contacts

Contact	Elizabeth P Pendleton WHSC_data_contact@usgs.gov

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Location of materials and files

Physical media	Pendleton, E.A., Baldwin, W.E., Danforth, W.W., Dewitt, N.T., Forde, A.S., Foster, D.S., Kelso, K.W., Pfeiffer, W.R., Turecek, A.M., Flocks, J.G., and Twichell, D.C, 2011, Geophysical data from offshore of the Gulf Islands National Seashore, Cat Island to Western Horn Island, Mississippi: U.S. Geological Survey Open-File Report 2010-1178, available online at http://pubs.usgs.gov/of/2010/1178/.
Public files	http://pubs.usgs.gov/of/2010/1178/

Activities and equipment

Activity	Equipment
2010-012-FA	Edgetech chirp subbottom profiler 512i Edgetech SB-512i Chirp subbottom profiler with bandwidth spectrums of 500 Hz to 12 kHz, owned by Woods Hole