A Correlated-k Parameterization for O2 Photolysis: Model Outputs and Comparisons

Correlated-k tables (4- and 12-term) and transmission data for O2 absorption cross sections in the Schumann-Runge bands (175–205 nm). Photolysis frequencies and rates from a 1-D photochemical model compare different O2 photolysis parameterizations, including AF82 band model, Old exponential sum, WACCM, and Correlated-k, with and without scattering. The dataset was created by Aoshuang Ji at Pennsylvania State University and accompanies the paper of the same name.

Use Cases

• Parameterizing O2 photolysis in atmospheric models based on correlated-k tables.
• Comparing photolysis rates from different parameterization methods (AF82, WACCM, Correlated-k) based on the model outputs.
• Analyzing the effect of scattering on O2 photolysis frequencies in the Schumann-Runge bands.
• Reproducing figures from the associated research paper using the provided MATLAB code and data.

Strengths

• Includes multiple parameterization methods (AF82, WACCM, Correlated-k, Old exponential sum) for direct comparison.
• Provides data for scenarios both with and without scattering, allowing for sensitivity analysis.
• Dataset is directly linked to a specific, peer-reviewed research paper and its associated code.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Pennsylvania State University

Collection Method

Generated from a 1-D photochemical model.