Throughout January 1989 polar stratospheric clouds were frequently observed over Ny‐Ålesund/Svalbard by means of a lidar instrument. The aerosol layer was located between 17 and 24 km altitude and showed signs of a downward movement. The presence of PSC's suggests that the same chemical processes, that lead to the springtime ozone depletion in the southern hemisphere may go on during the Arctic polar night. Copyright 1990 by the American Geophysical Union.
CITATION STYLE
Krüger, B. C. (1990). Observations of polar stratospheric clouds in the Arctic winter 1989 at 79 N. Geophysical Research Letters, 17(4), 365–368. https://doi.org/10.1029/GL017i004p00365
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