CMIP6.md

+The plots below show the Arctic sea-ice area (Fig. 1) and volume (Fig. 2) in March and September from some of the [CMIP6](https://esgf-node.llnl.gov/search/cmip6/) historical runs (data kindly downloaded by Klaus Zimmermann).
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+![SIA_CMIP6](uploads/2ed78c2eca96f42782f75232dd8a4687/SIA_CMIP6.png)
+Fig. 1: Time series of Arctic sea-ice area in March (A) and September (B)
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+![SIV_CMIP6](uploads/23caafeedb942520c5767082d90f141f/SIV_CMIP6.png)
+Fig. 2: Time series of Arctic sea-ice volume in March (A) and September (B)
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+Important note: These figures were produced by D. Docquier and constitute preliminary results (not published in papers).
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