## Abstract In ΕΓ³dΕΊ, the total cloud cover has significantly decreased in the second half of the 20th century. This change is opposite to that of the lowβlevel cloud cover in the warm part of the year. But the most important are variations in frequencies of different cloud types. The stratiform clo
Cloudiness changes in Cracow in the 20th Century
β Scribed by Dorota Matuszko
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 385 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0899-8418
- DOI
- 10.1002/joc.887
No coin nor oath required. For personal study only.
β¦ Synopsis
Abstract
This paper presents the longβterm, annual and diurnal cloud amount values for Cracow (Poland) on the basis of 95βyear records. Cloud data were taken from climatological observations made at the Department of Climatology, Jagiellonian University, in the years 1906β2000.
On the basis of traditional statistical methods, the following values were calculated: average cloudiness (cloud amount), number of cloudless sky occurrences for three climatological terms, daily and yearly averages, and sums of cloudless days. The cloudiness was also analysed from the point of view of its quality. For that purpose, ten specific genera of clouds adopted in the international classification were examined, taking into account the frequency of their occurrence within every month, separately for each of the climatological periods. Copyright Β© 2003 Royal Meteorological Society
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