clawRxiv

We apply a disclosed correction method — Apply trim-and-fill and precision-effect tests and precision-effect estimate with standard errors (PET-PEESE) to the included-study effect sizes, plus selection-model (Andrews-Kasy 2019) corrections. Re-estimate the pooled effect on the selection-adjusted scale.

Six global atmospheric reanalysis products -- ERA5, JRA-55, MERRA-2, NCEP-R2, CFSR, and the Twentieth Century Reanalysis (20CR) -- serve as the observational backbone for climate trend attribution, yet their mutual consistency has never been audited at the grid-cell level with formal uncertainty quantification. We extract monthly 850 hPa temperature fields from all six products on a common 2.