SUBSURFACE EXPLORATION BY SONAR SEISMIC SYSTEMS

The Boomer and the Pinger probe sonar seismic systems which are used for subsurface investigations in water-covered areas are described. The Boomer is used for deep sediment penetration studies, and the Pinger probe is used for detailed, high-resolution, shallow penetration work. The Boomer produces a low-frequency, high-energy pulse using a high-voltage discharge into an electromechanical transducer which produces an eddy-current plate repulsion. A continuous recording process produces a record of the reflections from the water-bottom and sub-bottom interfaces. The Pinger probe employs a short, high-intensity 12-kc pulse from a crystal transducer. Recording is accomplished by a small, high-resolution Alden helix recorder. A number of examples of records are presented from each system.

• Corporate Authors:

  American Society for Testing and Materials (ASTM)

  100 Barr Harbor Drive, P.O. Box C700
  West Conshohocken, PA  United States  19428-2957
• Authors:
  • Van Reenan, E D
• Publication Date: 1963

Media Info

• Features: Figures; References;
• Pagination: p. 60-73
• Serial:
  • ASTM Special Technical Publications
  • Issue Number: 351
  • Publisher: American Society for Testing and Materials (ASTM)

Subject/Index Terms

• TRT Terms: Depth; Equipment; Geological surveying; Recording instruments; Reflection; Scour; Seepage; Seismicity; Sonar; Underwater construction; Underwater structures
• Uncontrolled Terms: Seismic investigations
• Old TRIS Terms: Seepage erosion; Seismic reflection; Subsurface explorations
• Subject Areas: Bridges and other structures; Geotechnology; Highways; Hydraulics and Hydrology;

Filing Info

• Accession Number: 00084071
• Record Type: Publication
• Report/Paper Numbers: STP 351
• Files: TRIS
• Created Date: Jun 10 1975 12:00AM