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° …

Atmospheric turbidity parameters have been determined following Angstrom's method at
three locations in Bangladesh namely, Dhaka city (23.7° N) and two rural locations, Haripur …

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 …

Linke turbidity factor and Angstrom turbidity coefficient, linked to the aerosols, are very
important since many solar radiation models for clear days use these parameters for active …

Values of the Angstrom turbidity coefficient, β, at 0.50 μm wavelength have been determined
in Lagos, a tropical coastal city in Nigeria, for 17months between 1990 and 1991 using a …

The method by Pinazo et al.(Pinazo JM, Cañada J, Boscá JV. A new method to determine
Ångström's turbidity coefficient: its application for Valencia. Solar Energy 1995; 54 (4): 219 …

Atmospheric turbidity conditions were monitored during the period 1989–1995 in rural and
urban sites in Egypt. The rural site (Aswan) is in the south region of Egypt (desert climate) …

Values of Ångström's turbidity coefficient β and the wavelength exponent α have been
computed for a number of stations in India from pyrheliometric measurements of direct solar …

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 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 …