Sentences with phrase «detect volcanic ash»
Satellites can detect volcanic ash by observing the scattering of ultraviolet light from the sun.
https://www.sciencedaily.com/ Not exact matches
Satellite remote sensing is used to monitor volcanic activity in isolated areas, track ash clouds, and detect surface temperatures.
An infrared system that detects and informs about volcanic ash in the atmosphere has been tested on an Airbus A340.
Using the Saharan Air Layer as a proxy for volcanic ash, the test aircraft will now fly over the Atlantic Ocean west of Morocco to prove the equipment can detect the fine particles of sand at altitudes of up to 20,000 feet and a distance of around 100 km.
According to the VAAC report, volcanic ash was detected up to an altitude of 25,000 feet and is spreading in a south - westerly direction, and therefore toward the airport, at a speed of 14 knots.
The board added that though there was no volcanic ash detected, visitors were still advised to «start preparing sufficient stock of face masks» in case of an eruption.