{"thcode":61,"term":{"code":27,"name":"tsunamis","parent":14,"scope":"waves produced by submarine earthquakes or landslides, known informally as \"tidal waves\" (although unrelated to the tides)."},"uf":[],"bt":[{"code":14,"name":"coastal processes","parent":4,"scope":"oceanographic and geologic processes that cause changes to the shoreline and coastal zone."},{"code":4,"name":"natural agents of coastal change","parent":3,"scope":"natural phenomena that cause changes in coastal processes, landscapes, and ecosystems."},{"code":3,"name":"agents of coastal change","parent":2,"scope":"natural phenomena and human activities that cause changes in coastal processes, landscapes, and ecosystems."},{"code":2,"name":"coastal change hazards topics","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[]}