Title :
Acoustic tomography for monitoring the Sea of Japan: a pilot experiment
Author :
Spindel, Robert C. ; Na, Jungyul ; Dahl, Peter H. ; Oh, Suntaek ; Eggen, Christopher ; Kim, Young Gyu ; Akulichev, Victor A. ; Morgunov, Yuri N.
Author_Institution :
Appl. Phys. Lab., Univ. of Washington, Seattle, WA, USA
fDate :
4/1/2003 12:00:00 AM
Abstract :
A pilot experiment was conducted in the Sea of Japan (also called the East Sea) in September-October 1999, to assess the possibility of using acoustic tomographic techniques for monitoring water mass structure and dynamics. Acoustic m-sequence signals at various frequencies between 250 and 634 Hz were transmitted from bottom-mounted acoustic sources in shallow water off the coast of Vladivostok to vertical-array receiving systems deployed off the north coast of Ulleung-Do island (S. Korea), 558 km to the south. The data are analyzed for temporal correlation, time spread, and transmission loss and are interpreted in terms of a tomographic system for monitoring the East Sea.
Keywords :
m-sequences; monitoring; oceanographic regions; oceanographic techniques; underwater acoustic propagation; 250 to 634 Hz; East Sea; Russia; Sea of Japan; South Korea; Ulleung-Do island; Vladivostok coast; acoustic tomography; m-sequence signals; monitoring; shallow water; temporal correlation; time spread; transmission loss; water dynamics; water mass structure; Data analysis; Frequency; Ocean temperature; Propagation losses; Remote monitoring; Sea measurements; Springs; Temperature measurement; Tomography; Water resources;
Journal_Title :
Oceanic Engineering, IEEE Journal of
DOI :
10.1109/JOE.2003.811896
