Articles | Volume 7, issue 2
https://doi.org/10.5194/esd-7-313-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.Early warning signals of tipping points in periodically forced systems
Data sets
Mauna Loa CO<sub>2</sub> weekly mean ftp://aftp.cmdl.noaa.gov/products/trends/co2/co2_weekly_mlo.txt
The Climate Data Guide: Walsh and Chapman Northern Hemisphere Sea Ice https://climatedataguide.ucar.edu/climate-data/walsh-and-chapman-northern-hemisphere-sea-ice