Sea Ice from Below: Sonar Techniques

• Published in: Journal of Glaciology
• Main Authors: Clay, C. S., Kan, T. K., Berkson, J. M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press (CUP) 1975
• Subjects: Earth-Surface Processes; Arctic; Fuller; Tilting; Barrow; Journal of Glaciology; Sea ice; Alaska
• Online Access: http://dx.doi.org/10.1017/s0022143000034626; https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143000034626

Under-ice sonar surveys were carried out in pack-ice fields near Fletcher’s Ice Island and at two sites north of Pt. Barrow, Alaska, U.S.A. A narrow-beam scanning sonar was used to measure the location and relative back-scattering of features on the under surface of Arctic sea ice. The 48 kHz sonar...