{"thcode":61,"term":{"code":451,"name":"infrared aerial and satellite photography","parent":450,"scope":"aerial or satellite photography employing film or sensors sensitive to the near-infrared spectrum; not to be confused with \"thermal imaging\" that employs the far-infrared spectrum."},"uf":[],"bt":[{"code":450,"name":"aerial and satellite photography","parent":449,"scope":"used for vertical or oblique photography of the Earth taken from aircraft or satellites; do not use for air-to-air photography."},{"code":449,"name":"remote sensing","parent":400,"scope":"generally used for the acquisition of images or other data from aircraft or satellites; also used for ground-based systems for collecting data at a distance."},{"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":[]}