{"thcode":61,"term":{"code":403,"name":"sidescan sonar","parent":401,"scope":"acoustic technique for producing oblique imagery of the sea floor."},"uf":[{"name":"side-scan sonar","usewith":false}],"bt":[{"code":401,"name":"acoustic methods","parent":400,"scope":" measurement of sound propagation in a given medium (such as water) for ranging or acoustical studies."},{"code":400,"name":"field observation","parent":398,"scope":"scientific investigation of physical or biological features and processes in a natural setting."},{"code":398,"name":"research method","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":719,"name":"marine geology","parent":711,"scope":"used for geological and related studies of ocean basins and margins."},{"code":738,"name":"marine geophysics","parent":734,"scope":"used for geophysical and related studies of ocean basins and margins."}]}
