Fire Spread mapping of the Old Fire, San Bernardino NF
25 October 2003
Set #2, Page 2
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 63
Ground surface temperatures as viewed from above at 11.9
micrometers wavelength on 25 October 2003, from 6:35 to 6:36 pm PDT.
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Image 1a: Pass 63
Topographic view from southwest.
No vertical exaggeration. |
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Image 2: Pass 64
Ground surface temperatures as viewed from above at 11.9 micrometers wavelength
on 25 October 2003, from 6:41 to 6:44 pm PDT.
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Image 2a: Pass 64
Topographic view from southwest.
No vertical exaggeration. |
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Image 3: Pass 65
Ground surface temperatures as viewed from above at 11.9 micrometers wavelength
on 25 October 2003, from 6:48 to 6:52 pm PDT.
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Image 3a: Pass 65
Topographic view from southwest.
No vertical exaggeration. |
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