AIRS Images Pollution from California's Rim Fire 2013
The plume of carbon monoxide pollution from the Rim Fire burning in and near Yosemite National Park, Calif., is visible in this Aug. 26, 2013 image from the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua spacecraft. The image shows a three-day running average of daily measurements of carbon monoxide present at an altitude of 18,000 feet (5.5 kilometers), as well as its global transport. The abundance of carbon monoxide is shown in parts per billion, with the highest concentrations shown in yellows and reds. The carbon monoxide plume from the Rim fire now extends into Canada. Even more prominent in the image are the carbon monoxide emissions from widespread agricultural fires in Africa and South America, and fires in the northern forests of Asia.
The Atmospheric Infrared Sounder, AIRS, in conjunction with the Advanced Microwave Sounding Unit, AMSU, sense emitted infrared and microwave radiation from the Earth to provide a three-dimensional look at Earth's weather and climate. Working in tandem, the two instruments make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-dimensional map of atmospheric temperature and humidity, cloud amounts and heights, greenhouse gas concentrations, and many other atmospheric phenomena. The AIRS and AMSU fly onboard NASA's Aqua spacecraft and are managed by the Jet Propulsion Laboratory, Pasadena, California, under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena.
More information about AIRS can be found at airs.jpl.nasa.gov.
NASA/JPL AIRS Project
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