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The Global Invasive Species Team | |
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Instrument profile: AVIRIS--Airborne Visible InfraRed Imaging Spectrometer AVIRIS is a hyperspectral device that flies on either low-altitude missions (Twin Otter turboprop at an altitude of approximately 4 km, 130km/h) or high-altitude missions (modified U2 NASA ER-2 jet at an altitude of approximately 15-20 km, 730 km/h). The mission emphasis of this device is to obtain accurate, quantitative characterizations of surface composition and features. AVIRIS is operated by NASA (USA), and data are still being acquired. Obtaining AVIRIS data is not trivial. A proposal must be submitted for review, and each proposal's merits are determined by panel review. Exact timing of data harvesting cannot be predicted. Archived data from previous observations may also be purchased. Usefulness to land managers AVIRIS data has great potential for land managers, especially those seeking to classify vegetation structure on a one-time basis. However, because of the significant time-overhead in terms of submitting proposal, AVIRIS is not a feasible option for those who would like to use remote sensing as a convenient way to obtain imagery on short time scales, or to repeat imagery to look for seasonal changes. Costs and Contacts http://aviris.jpl.nasa.gov--AVIRIS home page, for research proposals. New data requests cost about $70,000 ($64,000+$6000 per flight hour of the ER-2) Archived (old) data may be purchased for $500 per flight line. Sample images
Useful Web Sites http://speclab.cr.usgs.gov/aboutimsp.html--AVIRIS image reduction tutorial Technical Specs
References http://aviris.jpl.nasa.gov (and subpages)--accessed 15 Sept. 2004
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Updated January 2005 ©The Nature Conservancy, 2005 |
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