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Piper Navajo remote sensing aircraft
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Fire Science |
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Wildfire Monitoring and Prediction
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Fire
Imaging |
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Fire Spread mapping of the Old Fire, San Bernardino NF
25 October 2003
Set #2, Page 3
As viewed by the FireMapper Thermal-Imaging Radiometer
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Images were collected from the PSW Airborne Sciences Aircraft and disseminated in part by satellite communications in near-real time. FireMapper measures the radiance of emitted thermal-infrared light, which readily penetrates smoke. False-color images shown here depict the apparent surface temperature (in Celsius) as estimated from radiance and a simple black-body model. Warmer tones represent recent or active combustion; areas of gray are cooling ash or warm bare ground (see chart below). Low temperatures of unburned forest and cool ground are shown in green. Images have been geographically referenced. Vertical exaggeration in 3-d views is 1.5 to one unless otherwise noted. |
Fire Area Map
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Fire Imagery
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The following color-coded images depict apparent ground surface temperatures
in Celsius.
The background image is a portion of a high-resolution
multi-band mosaic assembled from data collected on 9 September
2003 (pre-fire).
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Image 1: Pass 71
Ground surface temperatures as viewed from above at 11.9
micrometers wavelength on 25 October 2003, from 7:29 to 7:31 pm PDT.
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Image 1a: Pass 71
Topographic view from southwest.
No vertical exaggeration. |
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FireMapper has
been developed through a Research Joint Venture with Space Instruments,
Inc., and support from the National Fire Plan, Forest Service International
Programs, the U.S. Department of Agriculture, the Joint Fire Sciences Program, and the U.S. Agency
for International Development.
Disclaimer: Trade names, commercial products, and enterprises
are mentioned solely for information. No endorsement by the U.S. Department
of Agriculture is implied.
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