Daily Archives: July 26, 2018

A Human-Caused Signal is Now Evident

Space.com has an interesting article about recent research by Santer et al. (2018, Science 361, 245) into how the seasonal cycle of temperature has changed. It’s a topic we’ve looked at recently for surface temperature in the USA. Santer et al. study it in the troposphere (both TLT, the lower troposphere temperature, and TMT, mid-troposphere temperature), and look for patterns over the whole globe.

Result: a human-caused signal is now evident.

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