HALOE Measurements of HCl in the Stratosphere (1992 - 1998)

  • Released Friday, April 9, 1999
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HALOE was designed to carefully monitor hydrogen fluoride and hydrogen chloride, byproducts of CFC destruction in the stratosphere. HALOE operates by observing the absorption of infrared radiation by these molecules against the rising and setting sun. When UARS was first launched, measurements by HALOE showed that CFC byproducts were still increasing in the stratosphere. But the newest HALOE measurements now show that CFC by-products are no longer increasing. UARS has shown that the stratosphere is starting to respond to the international ban on CFC manufacture.

Hydrogen chloride in the stratosphere as measured by HALOE from 1992 to 1998

Video slate image reads, "The Upper Atmosphere Research SatelliteGraph AnimationsA graph showing the HALOE instrument results of CFC byproducts in the stratosphere, within an 8-year period of monitoring the atmostphere."

Video slate image reads, "The Upper Atmosphere Research Satellite
Graph Animations
A graph showing the HALOE instrument results of CFC byproducts in the stratosphere, within an 8-year period of monitoring the atmostphere."

For More Information

See http://svs.gsfc.nasa.gov/stories/UARS/index.html

Credits

Please give credit for this item to:
NASA/Goddard Space Flight Center
Scientific Visualization Studio

This page was originally published on Friday, April 9, 1999.
This page was last updated on Wednesday, May 3, 2023 at 1:59 PM EDT.

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