Astacio-Oquendo, Giovanni

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Search for middle atmosphere waves over arecibo: lidar observations and analysis techniques
(2012) Astacio-Oquendo, Giovanni; Ierkic, Henrick M.; College of Engineering; Santiago Santiago, Nayda G.; Rosado, José M.; Department of Electrical and Computer Engineering; Grove, Kurt
This work presents a set of different processing techniques to analyze Lidar observations in order to search for middle atmosphere waves over Arecibo (18o 21'N,66o 45’W). The processing analysis includes algorithms to detect sampling continuity, data gaps, and outliers in the observations. Also, we can observe time sequences for vertical profiles, bi- dimensional images, and vertical perturbations. Standard deviations from the mean temperature profile are shown using error bars. A standard model, MSIS-90, that presents the neutral temperature and densities of the middle atmosphere was used to compare with the obtained results. The analysis used data from two Lidar campaigns of three consecutive days each. The observed wavelengths were 355 nm and 532 nm. The data was analyzed statistically and an algorithm to search for waves using a periodogram was developed. The presentation of the results was organized using standard meteorological styles.