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Preferred term

thermal imagery  

Definition

  • Imagery produced by the sensing of thermal energy emitted or reflected from the objects that are sensed is called thermal imagery. Thermal energy or thermal infrared radiation refers to electromagnetic waves in the 3.5- and 20-μm (micrometer) portion of the spectrum. [Source: Encyclopedia of Geography; Thermal Imagery]

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https://concepts.sagepub.com/social-science/concept/thermal_imagery

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