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GRL_Supplementary Materials.docxWord 2007 document108KSupporting Information
FigS1.pngPNG image1082KHeterogeneous regression maps from MCA of GPCP and 20CR precipitation fields. (a, c) Covariance from the 20CR precipitation field regressed upon the first and second normalized GPCP precipitation expansion coefficients, respectively; (b, d) covariance from the GPCP field regressed upon the first and second normalized 20CR expansion coefficients, respectively. Spatial correlation coefficients are 0.86 between Figures S1A and S1b and 0.78 between Figures S1c and S1d.
FigS2.pngPNG image108KHeterogeneous regression maps from MCA of GPCP and 20CR zonal mean precipitation fields. Spatial correlation coefficients are 0.90 and 0.85 between the (a) red and the (b) blue lines.
FigureS3.pdfPDF document639KZonal mean precipitation anomaly (relative to the 20th century mean) based on (a) the Global Precipitation Climatology Centre (GPCC) and (b) the Climate Research Unit (CRU) and (c) Global Historical Climatology Network (GHCN) gridded products. Values are smoothed with the 13-point filter to remove fluctuations of less than decadal time scales (as in Figure 2).
FigureS4.pdfPDF document1366KChanges in precipitation from 1931–1950 to 1971–1990 based on (a) the Global Precipitation Climatology Centre (GPCC), (b) the Climate Research Unit (CRU), and (c) Global Historical Climatology Network (GHCN) gridded products. (d) The zonal mean of Figures S4A, S4b, and S4c.
FigS5.pngPNG image239KAttribution of precipitation shifts in (a) CMIP3 and (b) CMIP5 models. The columns are scattering aerosols (As), the shortwave cloud effect (Cs), the surface albedo effect (I), aerosol, water vapor, and ozone absorption (Aa), the longwave cloud effect (Cl), the lapse rate effect (LR), the water vapor greenhouse effect (WV), the surface temperature effect (Ts), the longwave residual term (LWr), surface flux change (O), and the sum of all terms above (All). Each circle represents one GCM. Open circles are GCMs with no indirect aerosol effect parameterization. Close circles are GCMs with indirect aerosol effect parameterization. The X symbols denote the multimodel mean in each column.

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