The totality of all meteorological processes or possible weather conditions, including the typical sequence as well as the daily and seasonal fluctuations that are responsible for the average state of the earth's atmosphere at a particular location. The name (Greek klimatos = inclination) is derived from the curvature of the Earth's sphere and the resulting local differences in the angle of incidence of the sun. The climate is not only characterised by processes within the atmosphere, but also by the interplay of all spheres of the earth (continents, oceans, atmosphere) and solar activity. It is one of the most important influencing factors for viticulture.
In contrast to weather (hours to weeks) and weather conditions (a few days to a week, up to a month or a season), climate is understood as a statistically determined state of the earth's atmosphere over a period of several decades (at least 30 years). Areas with the same conditions are categorised into climate zones and thus classified. There are various classifications; the best known was developed by climatologist Wladimir Peter Köppen (1846-1940) and continued by meteorologist Rudolf Geiger (1894-1981).
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