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ConceptDEPRECATED

Optical thickness of atmosphere layer due to aerosol

URI http://vocab.nerc.ac.uk/standard_name/optical_thickness_of_atmosphere_layer_due_to_aerosol/
Within Vocab Climate and Forecast Standard Names
Definition 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. 'Layer' means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. 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. 'Aerosol' means the suspended liquid or solid particles in air (except cloud droplets).
Date None
Note deprecated
isReplacedBy optical_thickness_of_atmosphere_layer_due_to_ambient_aerosol_particles
modified 2010-03-11 13:08:04.0
Broad Match
P04 Global Change Master Directory Science Keywords V5 - (2) [+]
P04:G102 EARTH SCIENCE > Atmosphere > Aerosols > Aerosol Optical Depth/Thickness
P04:G208 EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Optical Depth/Thickness
P64 Global Change Master Directory Science Keywords V6 - (2) [+]
P64:G102 EARTH SCIENCE > Atmosphere > Aerosols > Aerosol Optical Depth/Thickness
P64:G208 EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Optical Depth/Thickness
Exact Match http://mmisw.org/ont/cf/parameter/optical_thickness_of_atmosphere_layer_due_to_aerosol
http://vocab.nerc.ac.uk/standard_name/optical_thickness_of_atmosphere_layer_due_to_aerosol/
P07 Climate and Forecast Standard Names - (2) [+]
P07:CFSN0478 optical_thickness_of_atmosphere_layer_due_to_aerosol
P07:CFV13A5 optical_thickness_of_atmosphere_layer_due_to_ambient_aerosol
Related P06:UUUU Dimensionless

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