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Studies have shown that even small changes in stratospheric humidity may have climate impacts that are significant compared to those of decadal increases in greenhouse gases. Predictions of stratospheric humidity changes are uncertain, due to gaps in the understanding of the physical processes occurring in the tropical tropopause layer, which ranges from about eight to 11 miles above the ground.
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Pfister will discuss the ATTREX mission goals, objectives and planned research flights at the Monday, Dec. 5, afternoon poster session at the American Geophysical Union Fall meeting held at the Moscone Center, San Francisco, Calif.
Led by principal investigator Eric Jensen and project manager Dave Jordan of NASA Ames, scientists integrated instruments onto one of NASA's Global Hawk unmanned aircraft and verified their operation during four checkout flights from NASA's Dryden Flight Research Center at Edwards, Calif.
For more info, visit:
http://www.nasa.gov/centers/dryden/news/NewsReleases/2011/11-37.html
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