Artificial cloud test confirms volcanic ash detection using infrared spectral imaging
- Mather, TA
- Prata, GS
- Prata, AJ
- Dezitter, F
- Davies, I
- Weber, K
- Birnfeld, M
- Moriano, D
- Bernardo, C
- Vogel, A
- Prata, GS
- Mather, TA
- Thomas, HE
- Cammas, J
- Weber, M
DOIAbstract
Airborne volcanic ash particles are a known hazard to aviation. Currently, there are no means available to detect ash in flight as the particles are too fine (radii<30 µm) for on-board radar detection and, even in good visibility, ash clouds are difficult or impossible to detect by eye. The economic cost and societal impact of the April/May 2010 Icelandic eruption of Eyjafjallajokull generated renewed interest in finding ways to identify airborne volcanic ¨ ash in order to keep airspace open and avoid aircraft groundings. We have designed and built a bi-spectral, fast-sampling, uncooled infrared camera device (AVOID) to examine its ability to detect volcanic ash from commercial jet aircraft at distances of more than 50 km ahead. Her...
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