Köppen-Supan line

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Köppen-Supan line

geographical boundary

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climatic classification

In timberline
The Köppen–Supan line was devised by the Austrian geographer Alexander Supan (1879) for this purpose and was used by Köppen (1900) as the boundary between the tundra and tree climates in his first climatic classification; it connects points with an average temperature of 10° C (50°…
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