1. Coastal and Marine Hazards and Resources
  2. Geoscience Data System
  3. Dataset 38771

Dataset description: isc1999045_tracklines

Chirp navigation tracklines from USGS cruise 1999-045-FA along the inner continental shelf of northern North Carolina.
Version1
Keywordsnavigational data, geospatial datasets, marine geophysics
Data typesSub Bottom Profiler
Formatshapefile
Amount<1 MB

Contacts

Contact
David S Foster
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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/isc1999045_tracklines.xml
Outline - Questions and answers - Text - XML

Activities and equipment

ActivityEquipment
1999-045-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
Mapisc1999045_tracksChirp tracklines represent data acquisition.