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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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    Looks pretty good. There is just one potential issue that pops up regarding the classification into arid climates: the calculation of the aridity threshold.

    Remember that the aridity threshold uses different criteria for choosing which threshold to use than the f/w/s used in the climates, at least if we follow Kottek. As a reminder, climate group w needs 10x the rain in summer compared to winter, but for the "aridity group W", just 2x is enough (or 2/3 of the annual rainfall, to put it differently)! So, you need to also specify which "aridity group" each precipitation combo belongs to. Of course you could use the climate groups instead if you want to simplify things, but then you might end up with many BS climates being pushed into Cf or Df because they use the lower "aridity group F" threshold. And I do recall several areas being a bit too humid in the latest script, so that is definitely a potential issue.
    Last edited by Charerg; 02-04-2018 at 06:07 PM.

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