{"thcode":61,"term":{"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."},"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":459,"name":"SAR","parent":449,"scope":"technique that uses radio pulses from a moving platform (typically an aircraft or satellite) to create high-resolution images of a distant target."},{"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":454,"name":"atmospheric temperature measurement","parent":449,"scope":"the indirect measurement of atmospheric temperature, generally from satellites."},{"code":455,"name":"passive microwave measurement","parent":449,"scope":"measurement of the microwaves radiated or reflected by the Earth, used to characterize surface features."},{"code":456,"name":"radar","parent":449,"scope":"imaging techniques that employ radio waves to measure the reflectance of distant targets."},{"code":457,"name":"radiometry","parent":449,"scope":"the measurement of radiant energy from a remote location."},{"code":458,"name":"reflectance measurement","parent":449,"scope":"measurement of the reflectance of a surface, generally from satellites."},{"code":460,"name":"scatterometry","parent":449,"scope":"the use of a device that emits microwaves and measures the energy reflected by the distant target (\"backscatter\")."},{"code":461,"name":"sea surface temperature measurement","parent":449,"scope":"the indirect measurement of the surface temperature of the ocean or other large bodies of water, generally from satellites."}],"rt":[]}