Aperture effects on atmospheric turbidity measurements
Journal Article
·
· Sol. Energy; (United States)
The effect of the aperture geometry of sunphotometers on the measurement of aerosol optical thickness in the atmosphere is examined. Under low turbidities, the optical thickness derived from observations made with instruments of different aperture geometry are identical, whereas under large turbidities, the thickness obtained using large aperture instruments is larger. On cloudy days, the small aperture instruments give larger turbidities. (SPH)
- Research Organization:
- Atmospheric Environment Service, Downsview, Ontario
- OSTI ID:
- 6747677
- Journal Information:
- Sol. Energy; (United States), Journal Name: Sol. Energy; (United States) Vol. 21:6; ISSN SRENA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140100* -- Solar Energy-- Resources & Availability
AEROSOLS
APERTURES
CLOUDS
COLLOIDS
COMPARATIVE EVALUATIONS
DIRECT SOLAR RADIATION
DISPERSIONS
EARTH ATMOSPHERE
GRAPHS
MEASURING INSTRUMENTS
OPACITY
OPENINGS
OPTICAL PROPERTIES
PHOTOMETERS
PHYSICAL PROPERTIES
RADIATIONS
SOLAR FLUX
SOLAR RADIATION
SOLS
STELLAR RADIATION
TURBIDITY
140100* -- Solar Energy-- Resources & Availability
AEROSOLS
APERTURES
CLOUDS
COLLOIDS
COMPARATIVE EVALUATIONS
DIRECT SOLAR RADIATION
DISPERSIONS
EARTH ATMOSPHERE
GRAPHS
MEASURING INSTRUMENTS
OPACITY
OPENINGS
OPTICAL PROPERTIES
PHOTOMETERS
PHYSICAL PROPERTIES
RADIATIONS
SOLAR FLUX
SOLAR RADIATION
SOLS
STELLAR RADIATION
TURBIDITY