Mean temperature and annual rainfall are almost enough to predict whether a place grows rainforest, grassland or desert: that is the idea behind the Whittaker diagram. Wherever those two numbers move, the biome moves with them, along with its matching Köppen climate code. Altitude adds another elegant rule: climbing 6 km in the tropics passes through the same zones one would meet walking from the equator to the pole.
Mean temperature and annual rainfall are almost enough to predict whether a place grows rainforest, grassland or desert: that is the idea behind the Whittaker diagram. Wherever those two numbers move, the biome moves with them, along with its matching Köppen climate code. Altitude adds another elegant rule: climbing 6 km in the tropics passes through the same zones one would meet walking from the equator to the pole.
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