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IMAGE 11085
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Image showing the total amount of sulfur dioxide in the atmosphere over Fourpeaked Mountain volcano on September 17, 2006 as measured by the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite. Sulfur dioxide is displayed in Dobson Units (DU), the number of molecules in a square centimeter of the atmosphere. If you were to compress all of the sulfur dioxide a column of the atmosphere into a flat layer at standard temperature and pressure (0 degrees Celsius and 1 atmosphere), one Dobson Unit would be 0.01 millimeters thick and would contain 0.0285 grams of sulfur dioxide per square meter.

Date: September 19, 2006 12:00 AM
Volcano(es):Fourpeaked
Photographer/Creator: Carn, S.; Krotkov, N. A.; Krueger, A. J.; Yang, K.
URL:http://www.avo.alaska.edu/images/image.php?id=11085

Citation Information:
Image created by the volcanic emissions group at the University of Maryland Baltimore County, Baltimore, MD, USA (S.A. Carn, N.A. Krotkov, A.J. Krueger, K. Yang) using data from the Ozone Monitoring Instrument (OMI) on NASA's EOS Aura satellite. OMI was built by Dutch/Finnish collaboration and is managed by KNMI and NIVR in the Netherlands.
Please cite the volcanic emissions group at the University of Maryland Baltimore County, Baltimore, MD, USA (S.A. Carn, N.A. Krotkov, A.J. Krueger, K. Yang) when using this image.

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Page modified: June 2, 2014 09:50
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