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Temperature Of Earth's Highest Polar Clouds Measured For The First Time

Date:
March 29, 2001
Source:
American Geophysical Union
Summary:
Scientists have for the first time obtained measurements of upper atmosphere temperatures, iron densities, and mesospheric clouds over the North and South Poles. As reported in the April 1 issue of Geophysical Research Letters, published by the American Geophysical Union, they used a sensitive lidar (radar-like laser) system, which was first deployed over Okinawa, Japan, to observe meteor trails during the 1998 Leonid meteor shower. University of Illinois researchers have now used it to probe temperatures in the upper atmosphere over both geographic poles.

Washington - Scientists have for the first time obtained measurements of upper atmosphere temperatures, iron densities, and mesospheric clouds over the North and South Poles. As reported in the April 1 issue of Geophysical Research Letters, published by the American Geophysical Union, they used a sensitive lidar (radar-like laser) system, which was first deployed over Okinawa, Japan, to observe meteor trails during the 1998 Leonid meteor shower. University of Illinois researchers have now used it to probe temperatures in the upper atmosphere over both geographic poles.


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The above story is based on materials provided by American Geophysical Union. Note: Materials may be edited for content and length.


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American Geophysical Union. "Temperature Of Earth's Highest Polar Clouds Measured For The First Time." ScienceDaily. ScienceDaily, 29 March 2001. <www.sciencedaily.com/releases/2001/03/010320074609.htm>.
American Geophysical Union. (2001, March 29). Temperature Of Earth's Highest Polar Clouds Measured For The First Time. ScienceDaily. Retrieved April 18, 2014 from www.sciencedaily.com/releases/2001/03/010320074609.htm
American Geophysical Union. "Temperature Of Earth's Highest Polar Clouds Measured For The First Time." ScienceDaily. www.sciencedaily.com/releases/2001/03/010320074609.htm (accessed April 18, 2014).

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