|Within Vocab||Climate and Forecast Standard Names|
|Definition||The optical thickness is the integral along the path of radiation of a volume scattering/absorption/attenuation coefficient. The radiative flux is reduced by a factor exp(-"optical_thickness") on traversing the path. The atmosphere optical thickness applies to radiation passing through the entire atmosphere. "Aerosol" means the suspended liquid or solid particles in air (except cloud droplets). Aerosol takes up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the aerosol. "Dry aerosol" means aerosol without water. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase.|
standard_name: Atmosphere optical thickness due to dust dry aerosol
Atmospheric visibility and transparency
|Has Current Version||http://vocab.nerc.ac.uk/collection/P07/current/BBAH2112/2/|
|Authored On||2015-01-07 15:23:06|
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