Dataset description: 1999-044-FA Chirp seismic data

Dataset description: 1999-044-FA Chirp seismic data

Lines 1-121, plus tie lines 1-28.

Keywords	seismic reflection methods, sub-bottom profiling, marine geophysics
Data types	Sub Bottom Profiler
Format	SEGY; GIF
Amount	3.1 GB

Comments:

VAC updated the URL to reflect the OFR, which relates to the metadata.

Contacts

Contact	David S Foster [email protected]

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Location of materials and files

Public files	https://doi.org/10.3133/ofr0040
Metadata	https://cmgds.marine.usgs.gov/metadata/whcmsc/open_file_report/ofr2000-040/of00-040.xml Outline - Questions and answers - Text - XML

Activities and equipment

Activity	Equipment
1999-044-FA	SIS1000 Chirp Sonar Transducer: Transmit projector array; line array receiving hydrophone; 30º conical radiation pattern Frequency: 2kHz to 7kHz swept FM (4 KW output), synchronous with sidescan Resolution: 10 cm Processing: Calibrated transmit waveform stored in ROM, matched filter FFT digital signal processing Scale Selection: 25 meters to 750 meters full scale

Geometries linked to this dataset

Map	Name	Description
Map	1999-044-FA_chirp_footprint	Footprint of shotnav released in OFR 2000-040.