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Thread: The Köppen–Geiger climate classification made simpler (I hope so)

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  1. #11
    Guild Artisan Charerg's Avatar
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    As Azelor noted, the lapse rate varies a lot. The drier the air, the greater the lapse rate. With relatively moist air and relatively low elevation (0 to 3 km), the lapse is maybe 4-5 °C/km typically, but it can go up to 6-7 °C/km if the air is dry. There is also a general tendency for the lapse rate to increase as elevation increases (presumably because the air becomes drier).

    The average lapse (used by Azelor in the temp guideline) is 7.5 6.5 °C/km, but that applies to the whole troposphere from 0 to 11 km. In the lower levels of the troposphere (say, 0 to 5 km) the lapse rate is typically below the average.
    Last edited by Charerg; 03-14-2018 at 10:37 PM. Reason: I had the numbers off

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