1. Coastal and Marine Hazards and Resources
  2. Geoscience Data System
  3. Dataset 38803

Dataset description: isc2002012_seismic_images

JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2002-012-FA along the inner continental shelf of northern North Carolina
Version1
Keywordssub-bottom profiling, image collections, marine geophysics
Data typesSub Bottom Profiler
FormatJPEG
Amount303 MB

Contacts

Contact
E. Robert Thieler
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Location of materials and files

Public fileshttps://doi.org/10.3133/ofr20111015
Metadatahttps://cmgds.marine.usgs.gov/metadata/whcmsc/open_file_report/ofr2011-1015/isc2002012_seismics.xml
Outline - Questions and answers - Text - XML

Activities and equipment

ActivityEquipment
2002-012-FASIS1000 Chirp Sonar
Transducer: Transmit projector array; line array receiving hydrophone; 30ยบ 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

MapNameDescription
Mapisc2002012_tracksTracklines of chirp seismic data acquisition representing a published dataset.