Sound is directed sideways as well as downward such that echoes reveal the bathymetry to either side of a surveying ship and water depth. This technique is known as sidescanning and the equipment used is:
A. Echo sounder
B. Reflectometer
C. Echo sonar
D. Sidescan sonar
Answer:D
Sound is directed sideways as well as downward such that echoes reveal the bathymetry to either side of a surveying ship and water depth. This technique is known as sidescanning and the equipment used is:
A. Echo sounder B. Reflectometer C. Echo sonar D. Sidescan sonar