Ubiquity of human-induced changes in climate variability

Rodgers, Keith B.; Lee, Sun-Seon; Rosenbloom, Nan; Timmermann, Axel; Danabasoglu, Gokhan; Deser, Clara; Edwards, Jim; Kim, Ji-Eun; Simpson, Isla R.; Stein, Karl; Stuecker, Malte F.; Yamaguchi, Ryohei; Bódai, Tamás; Chung, Eui-Seok; Huang, Lei; Kim, Who M.; Lamarque, Jean-François; Lombardozzi, Danica L.; Wieder, William R.; Yeager, Stephen G.

doi:https://doi.org/10.5194/esd-12-1393-2021

Articles | Volume 12, issue 4

Earth Syst. Dynam., 12, 1393–1411, 2021

https://doi.org/10.5194/esd-12-1393-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Earth Syst. Dynam., 12, 1393–1411, 2021

https://doi.org/10.5194/esd-12-1393-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 4

Research article 09 Dec 2021

Research article | 09 Dec 2021

Ubiquity of human-induced changes in climate variability

Keith B. Rodgers et al.

Supplement

https://doi.org/10.5194/esd-12-1393-2021-supplement

Data sets

Model output for CESM2-LE presented in Rodgers et al., 2021 CESM2_LE_OUTPUT https://www.cesm.ucar.edu/projects/community-projects/LENS2/data-sets.html

Model code and software

Figure code for Rodgers et al., 2021 FIG_CODE_GENERAL https://github.com/kjstein/

Figure code Fig. 3 wavelet analysis in Rodgers et al., 2021 FIG_CODE_WAVELET https://atoc.colorado.edu/research/wavelets/

Short summary

A large ensemble of simulations with 100 members has been conducted with the state-of-the-art CESM2 Earth system model, using historical and SSP3-7.0 forcing. Our main finding is that there are significant changes in the variance of the Earth system in response to anthropogenic forcing, with these changes spanning a broad range of variables important to impacts for human populations and ecosystems.