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- ecCKD GitHub repository (Apache 2.0 license)
- Hogan and Matricardi (2022) article about ecCKD submitted to in JAMES (coming soonand Supporting Information)
- User guide (PDF), generated from this source file
- Abstract about Presentation about ecCKD submitted to at the International Radiation Symposium 2022
Related links
- ecRad radiation scheme, which incorporates the use of ecCKD gas optics models from version 1.5
- Correlated K-Distribution Model Intercomparison Project (CKDMIP)
- "Adept" automatic differentiation, array and optimization library for C++, required to compile ecCKD
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- Eight MODIS solar channels: ecckd-0.6_sw_climate_modis-8_spectral-definition.nc
The gas optics models distributed as part of ecRad are here, and include "reference" models in the longwave and shortwave with 64 k terms.
For computing UV index, higher spectral resolution is needed in the relevant spectral region, for which there are two shortwave files that can be used:
- Shortwave 64-term model with around 5-nm resolution in the 295-330 nm range: ecckd-1.2_sw_climate_window-64b_ckd-definition.nc
- Shortwave 96-term model with around 5-nm resolution in the 280-380 nm range: ecckd-1.4_sw_climate_vfine-96b_ckd-definition.nc