Scatter Plot from Scientific Research

Three-way regression (GHG + , NAT, and AER) results for the observed changes in Arctic sea ice area (SIA) for each month for three observational data sets of NASATeam. The best estimates (marks) and 5-95% ranges (error bars) of scaling factors (regression coefficients, see Methods) are displayed for each signal. Using 3-year mean anomaly time series of Arctic SIA (see Fig. 1 ), observations are regressed simultaneously onto multi-model-simulated responses (fingerprints) to three signals of GHG + , NAT, and AER forcing (see Methods).

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