Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Time evolution of CH4 spectroscopic properties catalogued in the HITRAN databases.
  • Fig. S2. Change in column-integrated CH4 optical depth between RTMIP experiments 3b (2000 CE conditions) and 3d (1860 CE conditions) using the HITRAN 2000 line database.
  • Fig. S3. Perturbations to changes in column-integrated CH4 optical depth between RTMIP experiments 3b and 3d.
  • Fig. S4. Cumulative perturbations to changes in CH4 direct, instantaneous, unadjusted spectral forcing between RTMIP experiments 3b and 3d due to substituting the HITRAN 2004, 2008, and 2012 line databases for the HITRAN 2000 line database.
  • Fig. S5. Near-infrared black-sky surface albedo retrieved from MODIS for 2003 to 2014 CE.
  • Table S1. The variable names, source model components, and descriptive names of the monthly mean fields used as input to the OSSE from the CMIP.

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