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Initial Observations of Gravity Waves and Ozone Structures Near the Stratopause From the CIPS Instrument

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The Cloud Imaging and Particle Size (CIPS) instrument has been analyzed for the presence of gravity waves and other structures in the ozone signal near the stratopause. The CIPS instrument is onboard the Aeronomy of Ice in the Mesosphere (AIM) satellite. CIPS is a nadir imager with an approximately 2000 km along track by 1000 km cross track field of view, and it observes at the UV wavelength of 265m with a spatial resolution of 1km by 2km. Observations are made in the spring and summer hemisphere at latitudes poleward of approximately 35 degrees.

This work will present an initial analysis of the perturbation in the observed ozone column density at a horizontal resolution of 10 to 20 km. The wavelength of 265 nm results in a peak signal contribution emanating from 50-55km in altitude. Structures have been observed ranging from 60 km horizontal wavelength gravity waves to large scale structures spanning the polar cap.


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