Latitudinal variations of Northeast Asia cloudiness during stage of increasing of the activity of 23rd solar cycle

V. S. Solovyev; V. I. Kozlov

doi:10.1117/12.723235

1 November 2006 Latitudinal variations of Northeast Asia cloudiness during stage of increasing of the activity of 23rd solar cycle

V. S. Solovyev, V. I. Kozlov

Author Affiliations +

Proceedings Volume 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics; 65221Z (2006) https://doi.org/10.1117/12.723235
Event: Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 2006, Tomsk, Russian Federation

Abstract

The averaged maps of the low, high and total cloudiness over North-East Asia region (80°-170°E., 40°-80°N.) are obtained from NOAA satellites data for 1997-2004. The cloudiness maps for 1997-1998 and 2000-2002 respective to minimum and maximum of activity of 23rd solar cycle are analyzed. The behavior of the large-scale cloudiness (about hundreds kilometers) is related with geographical location and orography of region and defined by trajectories of dominant cyclones. On a growth phase of solar activity the more appreciable variations of high cloudy cover are observed in latitudinal range 45°-70° than to the south and to the north. At range 55°-70° the cloudiness increases on 5%, while at 45°-55° the cloudiness decreases on 5 %. The picture of change of the low cloudiness has other character: cloudiness to the north from 50-th parallel during maximum of solar activity is above than in a minimum, but to the south the opposite picture is observed. The latitudinal displacement of cloudiness is explained by displacement of ways of the western cyclones depending on solar activity.

Citation Download Citation

V. S. Solovyev and V. I. Kozlov "Latitudinal variations of Northeast Asia cloudiness during stage of increasing of the activity of 23rd solar cycle", Proc. SPIE 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 65221Z (1 November 2006); https://doi.org/10.1117/12.723235

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