Spectral longwave radiative kernel

Brief Description: This is a set of radiative kernels that can be used with monthly-mean fields (such as those from CMIP5 archives) to derive spectrally resolved longwave radiative feedbacks.

Here is a slide show (link) explaining why we need to study climate through a spectral lens.

Download Data: If you are analyzing CMIP outputs, it is advised to use #1, the spectral radiative kernels at the 17-pressure levels

  1. Spectral radiative kernels at the 17-pressure levels (the same levels used by broadband radiative kernels): for air temperature (link, 322MB), water vapor (link, 322MB), and surface temperature(link, 19MB).
    • Two Matlab sample codes to use such kernels to compute feedback (Sample1, Sample2)
  2. Spectral radiative kernels at the original PCRTM pressure levels: for air temperature (link, 1.5GB in total), water vapor (link, 1.5GB in total), surface temperature (link, 19MB in total)

Data format: Each tarball file above contains 24 files, all-sky radiative kernels for each calendar month and clear-sky radiative kernels for each calendar month. The data is in NetCDF format. The spatial resolution is 2o by 2.5o, and the spectral bands are the same as the 16 spectral bands used in the RRTMG_LW.

Acknowledgments: The work is supported by programs in NASA Earth Sciences Division.

Should you have any questions, please email me.

References: