Abstract: In the interior of a clear, cloudless, and optically thin atmosphere (τ0 ≤ 0.8) the predictions of even the most accurate two-stream models can significantly deviate from exact calculations. A perturbation correction to ...

Abstract: This paper deals with diurnal and mensual correlations between ground-based atmospheric observations of columnar and surface optical parameters, standard surface humidity parameters, and surface air-quality data. The ...