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These images from the MODIS Airborne Simulator (MAS) data were acquired over the Curve Fire, Angeles National Forest, California on 10 September, 2002 at 4:04 PM (PST). MAS was flown on the NASA ER-2 and the imagery was acquired from approximately 65,000 feet MSL. Spectral bands (band centers) for the natural color image are 0.655um/0.549um/0.465um and spectral bands (band centers) for the thermal IR image are channel 48 (11.01um), 22 (2.15um) and 12 (1.64um). The attenuation by smoke can be easily seen in the visible image on the left, while the fire activity can be seen in the thermal composites on the right. Most of the active fire front is obscured due to the clouds that were in the vicinity when this image was acquired, although some fire activity can be seen along the boundaries of the cloud edges. These images were processed by the NASA Ames Airborne Sensor Facility.
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These images from the MODIS Airborne Simulator (MAS) data were acquired over the McNalley Fire, Sequoia National Forest, California on August 6, 2002. MAS was flown on the NASA ER-2 and the imagery was acquired from approximately 65,000 feet MSL. The image pair depicts a natural color composite on the left and a thermal IR composite on the right. Spectral bands (band centers) for the natural color image are 0.655um/0.549um/0.465um and spectral bands (band centers) for the thermal IR image are 11.01um/2.15um/1.64um. The attenuation by smoke can be easily seen in the visible image on the left, while the fire activity can be seen in the thermal composites on the right. These images were processed by the NASA Ames Airborne Sensor Facility.
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The single image is a thermal composite comprised of spectral bands (band centers) 3.74um/1.64um/2.15um. The data was collected from MODIS Airborne Simulator (MAS) data acquired over the McNalley Fire, Sequoia National Forest, California on August 6, 2002. MAS was flown on the NASA ER-2 and the imagery was acquired from approximately 65,000 feet MSL. These images were processed by the NASA-Ames Airborne Sensor Facility.
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AIRDAS thermal color composite (Channels 3 (3.90 um); 2 (1.65 um), and 1 (0.68um)) of the McNalley fire, Sequoia National Forest, California. This image was acquired from AIRDAS imaging system aboard the Sky Research Caravan aircraft. The acquiring platform altitude was 8000 feet above nominal terrain. Time of acquisition was 12:30 PM on 25 July 2002. The fire front is represented in bright yellows, oranges, and reds, while the smoke trail is visible in blue. The inclusion of the thermal channel data allow the ability to see through the large smoke plume, while the inclusion of the visible channel (channel 1) allows discrimination of terrain and the smoke plume shape and direction. The "black" areas at the top of the image are scene background areas where an aircraft-induced "roll" is corrected in the image data. This data is not geo-rectified to a map base, but allows fire personnel to view the fire conditions in near-real-time (within five minutes of collection). This scene has been rotated to correspond to mcnalley_b_txt.jpg.
Information on the AIRDAS scanner can be derived from the "AIRDAS brochure".
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AIRDAS thermal color composite (Channels 3 (3.90 um); 2 (1.65 um), and 1 (0.68um)) of the McNalley fire, Sequoia National Forest, California. This image was acquired from AIRDAS imaging system aboard the Sky Research Caravan aircraft. The acquiring platform altitude was 8000 feet above nominal terrain. Time of acquisition was 1:00 PM on 25 July 2002. The fire front is represented in bright yellows, oranges, and reds, while the smoke trail is visible in blue. The inclusion of the thermal channel data allow the ability to see through the large smoke plume, while the inclusion of the visible channel (channel 1) allows discrimination of terrain and the smoke plume shape and direction. The "black" areas at the left of the image are scene background areas where an aircraft-induced "roll" is corrected in the image data. This data is not geo-rectified to a map base, but allows fire personnel to view the fire conditions in near-real-time (within five minutes of collection). Note the comparison to the mcnalley_a_txt.jpg image above.
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AIRDAS thermal color composite (Channels 3 (3.90 um); 2 (1.65 um), and 1 (0.68um)) of the Sour Biscuit fire, Southern Oregon. This image was acquired from AIRDAS imaging system aboard the Sky Research Caravan aircraft. The acquiring platform altitude was 8000 feet above nominal terrain. Time of acquisition was 11:00 AM on 30 July 2002. The fire front is represented in bright yellows, oranges, and reds, while the smoke trail is visible in blue. The inclusion of the thermal channel data allow the ability to see through the large smoke plume, while the inclusion of the visible channel (channel 1) allows discrimination of terrain and the smoke plume shape and direction. The "black" areas at the left of the image are scene background areas where an aircraft-induced "roll" is corrected in the image data. This data is not geo-rectified to a map base, but allows fire personnel to view the fire conditions in near-real-time (within five minutes of collection).
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AIRDAS thermal color composite (Channels 4 (5.5-13.0 um); 3 (3.90 um); and 2 (1.65 um)), of the Sour Biscuit fire, Southern Oregon. This image was acquired from AIRDAS imaging system aboard the Sky Research Caravan aircraft. The acquiring platform altitude was 8000 feet above nominal terrain. Time of acquisition was 10:30 PM on 31 July 2002. The image was acquired at night to show the versatility of the AIRDAS for all-condition flying and data collection. There is little or no earth background terrain information visible in this night acquisition, although the data can be geo-rectified based on flight parameters from the system and acquiring airframe. The "black" areas at the left of the image are scene background areas where an aircraft-induced "roll" is corrected in the image data. This data is not geo-rectified to a map base, but allows fire personnel to view the fire conditions in near-real-time (within five minutes of collection).
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