Articles | Volume 35, issue 5
Ann. Geophys., 35, 1151–1164, 2017
https://doi.org/10.5194/angeo-35-1151-2017
Ann. Geophys., 35, 1151–1164, 2017
https://doi.org/10.5194/angeo-35-1151-2017

Regular paper 25 Oct 2017

Regular paper | 25 Oct 2017

Mesospheric OH layer altitude at midlatitudes: variability over the Sierra Nevada Observatory in Granada, Spain (37° N, 3° W)

Maya García-Comas et al.

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Information on the mesospheric OH layer height is crucial for identifying sources of its variability and causes of discrepancies in measurements and models. Using space-based data, we inferred an empirical function for predicting the altitude of the layer at midlatitudes from ground-based measurements of OH intensity and temperature. By applying it to data at the Sierra Nevada Observatory, we found significant short-term variability in the layer altitude, mainly due to wave variability.