HR: 17:45h
AN: SA14A-08    [Abstracts]
TI: Mesospheric planetary wave activity inferred from AIM-CIPS and TIMED-SABER for the northern summer 2007 PMC season
AU: * Merkel, A
AF: Laboratory for Atmospheric and Space Physics, University of Colorado, 1234 Innovation Drive, Boulder, CO 80303, United States
AU: Rusch, D
AF: Laboratory for Atmospheric and Space Physics, University of Colorado, 1234 Innovation Drive, Boulder, CO 80303, United States
AU: Russell, J
AF: Center for Atmospheric Sciences, Hampton University, Hampton, VA 23681, United States
AU: Bailey, S
AF: Bradley Department of Electrical and Computer Engineering, Virginia Tech 302 Whittemore Hall, Blacksburg, VA 24061, United States
AU: Thomas, G
AF: Laboratory for Atmospheric and Space Physics, University of Colorado, 1234 Innovation Drive, Boulder, CO 80303, United States
AU: Randall, C
AF: Laboratory for Atmospheric and Space Physics, University of Colorado, 1234 Innovation Drive, Boulder, CO 80303, United States
AU: Jeppesen, C
AF: Laboratory for Atmospheric and Space Physics, University of Colorado, 1234 Innovation Drive, Boulder, CO 80303, United States
AU: Benz, S
AF: Laboratory for Atmospheric and Space Physics, University of Colorado, 1234 Innovation Drive, Boulder, CO 80303, United States
AB: The Cloud Imaging and Particle Size (CIPS) instrument on the Aeronomy of Ice in the Mesosphere (AIM) satellite observed Polar Mesospheric Clouds (PMC) during the 2007 Northern hemisphere (NH) summer. The CIPS instrument provides detailed images of PMC occurrence and brightness. Daily global composites of the cloud images show an apparent clockwise zonal motion of the clouds indicating forcing from planetary waves. Planetary wave activity has been detected in previous coincident PMC/temperature observations including a 5-day and 2-day planetary wave in SNOE PMC data that strongly correlates with the same wave features in SABER temperature data. This indicates temperature as an important forcing mechanism in global variability of PMCs. Observations of the seasonal morphology of CIPS PMC occurrence and brightness correlate well with the day-to- day zonal mean changes in SABER temperature. We will present a first look at the observed planetary wave variance in CIPS observations of PMCs with a comparison to the planetary wave activity in the SABER 2007 temperature data.
DE: 0300 ATMOSPHERIC COMPOSITION AND STRUCTURE
DE: 0340 Middle atmosphere: composition and chemistry
DE: 0394 Instruments and techniques
DE: 3332 Mesospheric dynamics
SC: SPA-Aeronomy [SA]
MN: 2007 Fall Meeting