The decision to shut down the air space was based on the assessed (apparently inflated) risk of flying
through the volcanic ash plume.
Many airlines enforce stricter rules than the ICAO on flying
through volcanic ash.
Not exact matches
A little bee, Anthophora squammulosa, was zipping
through the
ash heaps looking for nectar and burrowing in a pile of
volcanic debris.
Ground - based remote sensing
through ultraviolet and infrared spectroscopy is used to measure the composition of a
volcanic plume, the column of hot
volcanic ash, gas, and rock emitted when the volcano erupts.
Using a pipette full of water, fresh
volcanic ash and mathematical modelling, Sanjoy Som at the University of Washington in Seattle worked out how the size of imprints related to the speed at which the rain fell
through the ancient atmosphere.
Through fieldwork,
volcanic ash chemistry and geochronology, WoldeGabriel helped nail down the age of the fossils to approximately 8 million years old.
It filters air
through a carbon filter (made from sustainable crushed coconut shells), a zeolite filter (made from minerals derived from
volcanic ash), and also a HEPA filter.
With each new cup you'll pilot your car
through extraordinary places, watching the sun setting, facing rain, snow,
volcanic ashes and even severe sandstorms.
One «theory» for the strength of the Permian - Triasac extinction is that the
volcanics (roughly a million cubic kilometers worth) erupted
through thich layers of coal, and therefore liberated at huge amount of CO2 as well as the usual
volcanic gases and
ash.
The news today tells of hundreds — nay, thousands — of flight cancellations because of the
volcanic ash still spreading
through the atmosphere from Iceland's Eyjafjallajökull.
The Irish Aviation Authority (IAA) has announced a suspension of flights in and out of Ireland for six hours on Tuesday as another Icelandic
volcanic ash cloud passes
through their airspace.
The
volcanic ash through Europe created significant problems for air travel.