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Noctilucent clouds at southern hemisphere mid-latitudes

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Title
Noctilucent clouds at southern hemisphere mid-latitudes
Subtitle
Video abstract of Atmospheric Chemistry and Physics paper "Lidar measurements of noctilucent clouds at Rio Grande, Tierra del Fuego, Argentina"
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CC Attribution 3.0 Germany:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Production Year2024
Production PlaceDeutsches Zentrum für Luft- und Raumfahrt, Institut für Physik der Atmosphäre, Germany

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Abstract
Noctilucent clouds are sensitive indicators of upper mesospheric conditions like temperature and water vapor. Unlike the northern hemisphere, little evidence existed for their presence in southern mid-latitudes. Using Rayleigh lidar in southern Argentina (53.8°S) from 2017 to 2024, noctilucent clouds were detected mainly in the morning at an average height of 83.3 km between late November and late January. Potential links to tides, planetary waves, the solar cycle, and other factors are explored.
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