Atmospheric turbidity over Egypt

AS Zakey, MM Abdelwahab, PA Makar - Atmospheric Environment, 2004 - Elsevier
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) …

Analysis of the atmospheric turbidity levels at two Tunisian sites

M Chaâbane - Atmospheric research, 2008 - Elsevier
Atmospheric turbidity coefficients have been estimated in many locations, either on the basis
of spectral irradiance or on broadband direct irradiance data. The Ångström turbidity …

Atmospheric turbidity over Kathmandu valley

B Sapkota, R Dhaubhadel - Atmospheric Environment, 2002 - Elsevier
The atmosphere of Kathmandu Valley has been investigated by using Sunphotometer and
Nephelometer during the pre-monsoon period of 1999. The atmospheric turbidity …

The relative influence of the anthropogenic air pollutants on the atmospheric turbidity factors measured at an urban monitoring station

HK Elminir, RH Hamid, F El-Hussainy, AE Ghitas… - Science of the total …, 2006 - Elsevier
This work is based on simultaneous measurements of direct solar radiation along with other
chemical measurements, with the objective of investigating the diurnal and seasonal …

Comparison between atmospheric turbidity coefficients of desert and temperate climates

MA Abdelrahman, SAM Said, AN Shuaib - Solar energy, 1988 - Elsevier
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 …

Pyrheliometric determination of atmospheric turbidity in the harmattan season over Ile-Ife, Nigeria

ZD Adeyefa, JA Adedokun - Renewable Energy, 1991 - Elsevier
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° …

An investigation of atmospheric turbidity over Kerkennah Island in Tunisia

A Trabelsi, M Masmoudi - Atmospheric Research, 2011 - Elsevier
Atmospheric turbidity is an important parameter for assessing the air pollution in local areas
and controlling the attenuation of solar radiation reaching the Earth's surface under …

Atmospheric turbidity and the diffuse irradiance in Lagos, Nigeria

AAL Maduekwe, MAC Chendo - Solar Energy, 1997 - Elsevier
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 the atmospheric turbidity of the north-centre continental area in Spain: Spectral aerosol optical depth and Ångström turbidity parameters

VE Cachorro, P Durán, R Vergaz… - Journal of Aerosol …, 2000 - Elsevier
Turbidity atmospheric conditions have been monitored during 1995, from March to
November, in a rural station in the “Castilla y León” region in Spain, of continental climate …

Determination of atmospheric turbidity in Bangladesh

M Hussain, S Khatun, MG Rasul - Renewable Energy, 2000 - Elsevier
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 …