IEVref:845-24-087ID:
Language:enStatus: Standard
Term: spectral optical thickness, <of a medium>
Synonym1: spectral optical depth, <of a medium>
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Symbol: δ(λ)
Definition: integral of the spectral linear attenuation coefficient, μ(x, λ), of the medium between the points x1 and x2, as given by the equation

δ(λ)= ∫ x 1 x 2 μ(x,λ) dx MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai abes7aKjaacIcacqaH7oaBcaGGPaGaeyypa0Zaa8qCaeaacqaH8oqB caGGOaGaamiEaiaacYcacqaH7oaBcaGGPaGaaGPaVlaabsgacaWG4b aaleaacaWG4bWaaSbaaWqaaiaaigdaaeqaaaWcbaGaamiEamaaBaaa meaacaaIYaaabeaaa0Gaey4kIipaaaa@4CF0@

Note 1 to entry: The spectral optical thickness is used in atmospheric physics and physical oceanography.

Note 2 to entry: The spectral optical thickness has unit one.

Note 3 to entry: This entry was numbered 845-04-80 in IEC 60050-845:1987.


Publication date:2020-12
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