International Electrotechnical Commission
Glossary

ENatmospheric 
a) atmospheric ozone content

(Unit: cm of column height)

volume of ozone at standard temperature and pressure in a vertical column of the atmosphere 1 cm2 in cross section

b) precipitable water vapour content

(Unit: cm of column height)

volume of precipitable water vapour in a vertical column of the atmosphere 1 cm2 in cross section

c) atmospheric transmissivity

(Unit: dimensionless, usually expressed as a percentage, %)

ratio of the transmission light intensity against the incident light intensity when measured with the unit length of the perpendicular column of the atmosphere


TC/SC:82Terms     Info     Publications
Published in:IEC 61836, ed. 2.0 (2007-12) Terms     Info
Reference number:3.6.7

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