Sidescan imagery from the Columbia River channel
survey for the Army Corps
of Engineers. The data was
collected using the smaller
AMS-150 sonar deployed
from an 18ft converted
fishing vessel demonstrating
the feasibility of a portable,
high performance sidescan
system. The swath width is
approximately 800ft. Notable
features include large scale
sandwaves, rocks, sunken
logs and recent river dredge
cutter marks.
Here is a sidescan and subbottom profile record for the Oman-India pipeline route survey. The data was collected on a 1000m swath in 2200m of water. The elevation change in this record is 300m.
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