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Chlorine Nitrate over the Arctic from CLAES (2/12/93 - 3/16/93)
Key to understanding the chlorine chemistry in the polar stratosphere is the measurement of polar stratospheric clouds, chlorine monoxide, and the reservoir gas chlorine nitrate. Chlorine nitrate has been measured by the Cryogen Limb Array Etalon Spectrometer, CLAES. CLAES makes measurements by looking at infrared emission from cloud particles and trace gases. CLAES measurements help to show that the polar stratospheric clouds which form in the cold Arctic stratosphere have converted most of the chlorine nitrate into the radical chlorine monoxide. In 1992, UARS measurements showed conclusively that an an Arctic ozone hole is beginning to form.

Chlorine monoxide over the arctic as measured by CLAES from 2-12-93 to 3-16-93    Chlorine monoxide over the arctic as measured by CLAES from 2-12-93 to 3-16-93
Duration: 14.0 seconds
Available formats:
  352x240 (29.97 fps) MPEG-1   2 MB
  160x80       PNG           16 KB
  80x40         PNG           5 KB
  320x242     JPEG         9 KB
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Animation Number:838
Completed:1999-04-09
Animator:Jesse Allen (Raytheon) (Lead)
Scientist:Mark Schoeberl (NASA/GSFC)
Platform/Sensor/Data Set:UARS/CLAES (1993/2/12-1993/3/16)
Series:UARS
Video:SVS1999-1001 *
Keywords:
DLESE >> Atmospheric science
SVS >> Chlorine Nitrate
DLESE >> Environmental science
SVS >> Ozone
More Information on this topic available at:
stories/UARS/index.html
 
 
Please give credit for this item to:
NASA/Goddard Space Flight Center
Scientific Visualization Studio


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