Davidson Odafe Akpootu

Evaluation and Calibration of Downward Longwave Radiation Models under Clear Sky Condition across the Sahelian Region of Nigeria

Davidson Odafe Akpootu, Oluwamayowa Emmanuel Agidi, Musa Momoh, Isah Ibrahim Garba, Mudassir Na-Allah, Abba Babagana, Sunday Bongde Yohanna & Muntasir Musa Labbo · Asian Journal of Research and Reviews in Physics · 2026

Downward longwave radiation (DLR) is a major component of the surface energy budget, yet the transferability of empirical clear-sky DLR models across Nigeria’s Sahelian climatic zone remains uncertain. This study evaluated eleven existing empirical DLR models and five locally cal...