Extended Data Fig. 6: Regional last 1000 years reconstructions. | Nature Climate Change

Extended Data Fig. 6: Regional last 1000 years reconstructions.

From: The quandary of detecting the signature of climate change in Antarctica

Extended Data Fig. 6

a) Antarctic Peninsula, b) Weddell Coast, c) Dronning Maud Land Coast, d) West Antarctica, e) map of the different regions, the black dots represent the station locations, f) East Antarctic Plateau, g) All of Antarctica, h) Victoria Land, and i) Indian Coast. For each panel, from top to bottom, time series of the persistence metric (Θ, y), isotopic composition anomaly stack for all ice cores in Antarctica (in δ18O units ‰), compared to the previous stack realised by Stenni et al.29 (purple: CPS stack, yellow, unweighted stack, ‰), trend on 40-year running windows ending on the given year with confidence intervals, and number of records covering a given time period,. For Θ and δ18O, light curves are the original data with annual resolution, thick curves are 10-year block averages. Note that the block averages and the trend estimates do not take into account datapoints after 2008 when the number of available cores drop below 10. For the top panel, the horizontal solid line represents the average value, while the horizontal dashed line is the average value +1 std.

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