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Lumifer comments on What is up with carbon dioxide and cognition? An offer - Less Wrong Discussion

24 Post author: paulfchristiano 23 April 2016 05:47PM

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Comment author: Vaniver 25 April 2016 04:20:13AM *  3 points [-]

Photosynthesis requires light to occur; weather affects the amount of light. Direction of wind determines the amount of upwind plants, and so on. Here's a link to a week's worth of data from an outdoor CO2 monitor in Utah; it looks to me like the difference is probably imperceptible, even if one buys the effect sizes for the 600 to 1000 ppm study.

Comment author: Lumifer 25 April 2016 04:59:04AM 0 points [-]

Interesting... I expect the main drivers to be the seasonal cycle (outside of the tropics) and the diurnal cycle.

Here is a nice animation of the seasonal cycle which also demonstrates the asymmetry of the Northern and Southern hemispheres...