{"thcode":61,"term":{"code":183,"name":"submarine canyon","parent":106,"scope":"an underwater canyon crossing the continental shelf and slope."},"uf":[],"bt":[{"code":106,"name":"landform","parent":94,"scope":"a geomorphic feature recognized as distinct from the surrounding terrain."},{"code":94,"name":"feature type","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[]}