NASA scientists have the first evidence more regional pollution lurks in clouds than in clear skies off the Asian coastline. This finding has implications for space-based attempts to monitor global pollution and for other populated regions around the world.
Scientists estimate that roughly two-thirds of Asian pollution from the Pacific Rim flows to the western, North Pacific Ocean under cloudy conditions. They based the study on direct measurements taken in and around clouds by aircraft instruments during the Transport and Chemical Evolution over the Pacific (TRACE-P) field experiment.
"The idea that clouds can be associated with pollution transport is not new, but the TRACE-P observations provide the first evidence of a cloud-pollution link over a large region," said Jim Crawford, the TRACE-P deputy mission scientist at NASA Langley Research Center.
Julia Cole | GSFC
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At the 2018 ILA Berlin Air Show from April 25–29, the Fraunhofer Institute for Laser Technology ILT is showcasing extreme high-speed Laser Material Deposition (EHLA): A video documents how for metal components that are highly loaded, EHLA has already proved itself as an alternative to hard chrome plating, which is now allowed only under special conditions.
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