Outline of the problem of research into climate change on the basis of the results of ground-based meteorological observations in Poznań, Poland.
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Date
2010
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Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza
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Abstract
One of the important topics in the current discussion on causes of climatic changes is a proportion
between natural and anthropogenic factors. The majority of climatologists are of the opinion that at present signs
of the antropogenic factor are visible only on a local scale. An evaluation of the impact of this factor on a global
scale will be possible in the future as more and more data on the physical parameters of Earth’s atmosphere are
to obtain using meteorological satellites.
The largest series of meteorological data, which currently constitute the basis of all analyses and forecasts concerning
climate changes in the immediate and distant future, come from urban areas. The results of meteorological
measurements are constantly infl uenced by the factor of municipal development, changes in the measurement
locations within administrative borders, and also by variations resulting from the geographical location,
the type of building development, and the colouring of the city. The city, depending on the dominant colour, and
also on the colour of the surrounding area, does not always generate a urban heat island. There are areas around
the globe, mainly in tropical latitudes, where the city is colder than the surrounding areas, which leads to the
occurrence of a urban cold island.
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Keywords
global climatic changes, Keeling’s curve, urban cold island, urban heat island, Poznań, Poland
Citation
Quaestiones Geographicae vol. 29 (1), 2010, pp.85-89
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ISBN
978-83-62662-62-3
ISSN
0137-477X