In April 2010, an Icelandic volcano called Eyjafjallajökull suddenly erupted, spewing millions of tons of dust and ash into the atmosphere above western and northern Europe. Airborne ash can clog jet engines, so some 20 countries immediately closed their air space to commercial air traffic.
The eruption lead to the cancellation of more than 60 percent of European flights over a period of five days and affected more than 100,000 travelers.
This kind of disruption is unprecedented, but it raises an important question. How vulnerable is the global airline network to disruptions of this kind? And if one part of the network is shut, how does this disruption spread?
Today we get an answer thanks to the work of Trivik Verma at ETH Zurich and a few pals. Their conclusion is unexpected.
link.
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