Extended Data Table 2 Validation statistics associated with varying the cutoff radius of the covariance localization

From: Glacial cooling and climate sensitivity revisited

  1. CE and RMSE are calculated on the 25% of the proxy data withheld from the assimilation. R2 is calculated between observed Δδ18Op, from speleothems and ice cores, and data assimilated Δδ18Op at the same locations. Cutoff radii are given in units of km; ∞ denotes no localization. Proxy variance R is held at Rg/5.
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