Stratospheric Sulfur Injection

geoengineering

Oct 7, 2023 - 01:40
 0  14

stratospheric sulfur injection, untested geoengineering technique designed to scatter incoming solar radiation in the atmosphere by creating an aerosol layer of sulfur in the stratosphere. It is believed that as more radiation is scattered in the stratosphere by aerosols, less would be absorbed by the troposphere, the lower level of the atmosphere where weather primarily occurs.

Sulfur injection essentially would mimic the atmospheric effects that follow volcanic eruptions. The 1991 eruption of Mount Pinatubo in the Philippines, often cited as the inspiration for this concept, deposited massive amounts of particulate matter and sulfur dioxide (SO2) into the atmosphere. This aerosol layer was reported to have lowered average temperatures around the world by about 0.5 °C (0.9 °F) over the following few years. The production of such an artificial aerosol layer could be accomplished by shooting sulfur particles into the stratosphere with cannons or dispersing them from balloons or other aircraft.

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