Results of spectral solar radiation measurements at Ile-Ife (7°-30′ N, 4° 31′ E; South
Western Nigeria) for two non-consecutive months between December 1991 and February …

Measurements of the ground-level spectral distributions of the direct, diffuse and global solar
irradiance between 300 and 1100 nm were made at Akure (7.15° N, 5.5° E), Nigeria, in …

The total solar radiation during the harmattan months of 1982 to the early part of 1984 at
Enugu, Nigeria, which lies on latitude 6.47° N and longitude 7.55° E and 140 m above sea …

Spectral beam solar radiation measurements for the period July 1980 to June 1981 were
made in Dhahran, Saudi Arabia (Lat. 26° 23′, Long. 50° 00′), using broad-band niter …

Measurements of direct solar radiation intensity, using an Angström compensation
pyrheliometer carried out over three harmattan seasons (1985–1987) at Ile-Ife (7° 29′ N, 4° …

The effects of atmospheric turbidity due to aerosols on the direct solar irradiance at the
surface at a low latitude (Ile-Ife (7° 30′ N, 4° 31′ E), south-western Nigeria) and a high …

Measurements of total and diffuse components of solar radiation have been conducted
using pyranometers at Zaria (latitude 11° 06′ N, longitude 07° 41′ E and altitude of 653.9 …

The data on global irradiation incident on a horizontal surface in Port Harcourt during the 13-
year period 1977–1989 are analyzed and shown to vary with the climatic changes of the …

Diurnal global irradiation was measured with precision pyranometer in Nsukka, Nigeria and
compared with values generated from five different empirical models proposed by earlier …

The annual and monthly mean diurnal variations of the diffuse fraction of global solar
irradiance arriving on the ground at a tropical station in Sub-Sahel Africa is here been …