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Effect of energetic particle precipitation on the atmosphere as simulated by WACCM

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Wednesday, 26 January 2011
Effect of energetic particle precipitation on the atmosphere as simulated by WACCM
Washington State Convention Center
Ethan D. Peck, Univ. of Colorado, Boulder, CO; and C. E. Randall, X. Fang, D. R. Marsh, V. L. Harvey, and M. Mills

The effects of Energetic Particle Precipitation (EPP) have been analyzed using the Whole Atmosphere Community Climate Model (WACCM). Multiple simulations of WACCM using various amounts of EPP input were compared and analyzed. The analyses study the effects of EPP in the model on NOy, Ozone, temperature, and horizontal transport throughout the atmosphere. The results show that there are non-negligible changes in ozone, NOy, and temperature, which are all related, that produce significant effects on zonal mean zonal winds, especially in higher latitudes in the Northern Hemisphere within the stratosphere and mesosphere.