{"thcode":61,"term":{"code":437,"name":"oceanographic observations","parent":400,"scope":"used for field observations related to all aspects of oceanography: physical, chemical, and biological; may also be used for field studies of freshwater bodies that use oceanographic techniques."},"uf":[],"bt":[{"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":[{"code":439,"name":"flow tracer studies","parent":437,"scope":"qualitative assessment of fluid flow over time by introducing a chemical, dye, or other tracer and tracking its movement."},{"code":438,"name":"ocean current observations","parent":437,"scope":"field observations of oceanic currents."},{"code":440,"name":"sedimentation studies","parent":437,"scope":"used for sediment budget and other studies of specific regions or bodies of water."},{"code":441,"name":"seepage studies","parent":437,"scope":"used for studies of submarine groundwater discharge and other forms of fluid exchange between a body of water and the surrounding substrate (sea floor, lake floor, etc.)."},{"code":442,"name":"tidal measurements","parent":437,"scope":"used for all types of tidal observations, including but not limited to tide-gage measurements."},{"code":443,"name":"water level measurements","parent":437,"scope":"used for measurements related to long-term events (e.g., sea-level rise) or transient events (e.g., tides or storm surge)."},{"code":444,"name":"wave observations","parent":437,"scope":"used for quantitative or qualitative wave observations of any type."}],"rt":[{"code":749,"name":"oceanography","parent":639,"scope":"the study of the oceans."}]}