Davis Utah State University infrared camera gravity wave parameters - 2012-2013

This dataset contains atmospheric gravity-wave parameters obtained from images of the infrared emissions from the Meinel band from the night sky above Davis, Antarctica. The camera that provides the images runs continuously during darkness, over intervals set by a yearly almanac of start and stop times. Images are collected and stored approximately every ten seconds. They record the emission intensity over much of the sky. Continuous daylight through summer limits the observation interval to between February and October.The camera was first installed in the summer of 2011/12 and started operation 2012.The gravity wave parameters described here were obtained with the following procedure:- manual identification of clear sky intervals in the image data,- star removal, flat fielding, and projection of the images onto a linear-scale geographic grid,- application of a two dimensional FFT algorithm to extract the parameters of wavelike features from image sequences.More information on this can be obtained from Garcia et al. (1997) and the project investigators.The gravity wave parameters obtained are horizontal wavelength, wave propagation direction and wave horizontal phase velocity.Currently only two years worth of processed data are available - 2012, 2013.References:Garcia, Taylor and Kelley, Two dimensional spectral analysis of mesospheric airglow image data, Applied Optics, 36, 7374-7385 (1997)