Dataset Open Access

HadGEM3-GA7.1 radiative kernels

Smith, Chris

This dataset provides radiative kernels based on the HadGEM3-GA7.1 atmospheric model. The kernels are produced with respect to a pre-industrial baseline. For a full description of their construction and comparison to other radiative kernels, see the open access publication in Earth System Science Data:

Smith, C. J., Kramer, R. J., and Sima, A.: The HadGEM3-GA7.1 radiative kernel: the importance of a well-resolved stratosphere, Earth Syst. Sci. Data, 12, 2157–2168,, 2020

Four kernels are available:

  • : top-of-atmosphere radiative kernels interpolated vertically to 19 CMIP6 standard pressure levels (1000, 925, 850, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 20, 10, 5, 1 hPa). This kernel should be able to be applied to any model output from CMIP6, following a horizontal regridding.
  • : as above, for radiation changes at the surface
  • : top-of-atmosphere kernels on the native 85-level HadGEM3 vertical grid. This version is only directly useable if dealing directly with native L85 HadGEM3 or UKESM1 model output (and in which case is likely to be more accurate than the L19 version). These versions also contain model level mean pressures and layer thicknesses, so this kernel can be interpolated to other model vertical grids. 
  • : as above for surface fluxes.
Files (2.2 GB)
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Data volume 177.4 GB177.4 GB
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