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ABSTRACT
The quantification of aerosol direct radiative effects (ADREs) under clear sky conditions is essential for understanding the influence of aerosols on climate. This paper introduces a novel approach, the non-uniform five-dimensional lookup table (NU-5D-LUT) method, for calculating the ADREs under clear sky conditions. The NU-5D-LUT method considers key parameters such as aerosol optical thickness, single scattering albedo, asymmetry factor, surface albedo, and solar zenith angle. Validation against the SBDART model shows strong agreement, with correlation coefficients of 0.97 and 0.99 for TOA and BOA ADREs, respectively. Global comparisons demonstrate consistent ADRE distributions, with relative errors below 5.8% for TOA ADRE and 4.4% for BOA ADRE. The NU-5D-LUT method significantly reduces computation time, offering a practical solution for large-scale simulations and climate model evaluations in aerosol research.
Acknowledgements
The authors express their sincere gratitude to two anonymous reviewers for their constructive comments and suggestions, which have significantly enhanced the quality of this manuscript. We also acknowledge the use of CALIPSO data, which were accessed through the Earthdata Search website at https://search.earthdata.nasa.gov/. The AERONET data used in this study were downloaded from https://aeronet.gsfc.nasa.gov/.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Correction Statement
This article was originally published with errors, which have now been corrected in the online version. Please see Correction http://dx.doi.org/10.1080/01431161.2024.2310338