{"thcode":61,"term":{"code":120,"name":"coastal barrier","parent":106,"scope":"relatively narrow, subaerial ridges parallel to the shore, formed by wind, waves, and longshore currents; includes both barrier islands (separated from mainland by a bay or lagoon) and spits (attached to the mainland)."},"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":[{"code":139,"name":"barrier island","parent":138,"scope":"an elongate island that is parallel to the shore and separated from the mainland by a bay or lagoon."}]}