Interpretation of Infrared Nighttime Imagery of a Forested Canopy

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  • a College of Forest Resources, University of Washington, Seattle 98195
  • | b Technicolor Graphic Services Inc., Sioux Falls, SD 57101
  • | c Department of Forest and Wood Science, Colorado State University, Ft. Collins 80521
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Abstract

The interpretation of an infrared nighttime imagery over a forested valley visualizes cold air drainage with the warmer tops of trees protruding near the center of the valley and whole crowns protruding on higher ridges. This interpretation is supported by detailed measurements of needle and air temperatures. Thermal IR imagery may be used to investigate air circulation patterns in complex terrain.

Abstract

The interpretation of an infrared nighttime imagery over a forested valley visualizes cold air drainage with the warmer tops of trees protruding near the center of the valley and whole crowns protruding on higher ridges. This interpretation is supported by detailed measurements of needle and air temperatures. Thermal IR imagery may be used to investigate air circulation patterns in complex terrain.

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