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 …

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° …

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 …

During the last two decades, the urban areas in the city of Riyadh—the capital of Saudi
Arabia—were increasing at an exceptionally high rate through a series of development …

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) …

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 …

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 …

A summary of factors affecting the atmospheric turbidity is given. Data on aerosol optical
depth and atmospheric turbidity coefficients (ie, the Linke factor, T, and Ångström coefficient …

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 …

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 …