29 Jun '18, 2pm

Air Pollution on the Move in India

In recent decades, northern India has been plagued by a double-dose of air pollution due to nearby sources of desert dust and increasing amounts of airborne particles from human activities. New research suggests that winds are spreading the problem, moving some of the pollution southward in ever-increasing amounts. Black carbon is one of several components of Indian air pollution described in new research led by Sudipta Sarkar of NASA’s Goddard Space Flight Center. Black carbon is a sooty black material that comes from the incomplete combustion of things like fossil fuels and vegetation and is easily transported by winds. It can cause respiratory and cardiovascular disease if inhaled, and it can also affect climate. The map above, based on a model known as MERRA-2 , shows how the amount of airborne black carbon, averaged for the month of November, has changed over a 12-yea...

Full article: https://earthobservatory.nasa.gov/IOTD/view.php?id=92347&...

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