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Entry: Cloud optical depth

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URI: http://codes.wmo.int/wmdr/ObservedVariableAtmosphere/506    

Effective depth (thickness) of a cloud from the viewpoint of radiation propagation. Specifically, OD = exp(-K.Δz), where K is the extinction coefficient [km-1] and Δz the vertical path [km] between the base and the top of the cloud. The WMO Cloud Atlas (https://cloudatlas.wmo.int/en/optical-thickness.html) defines cloud optical thickness as 'The optical thickness of a cloud is the degree to which the cloud prevents light from passing through it.'

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is a Concept
changed on 4 Nov 2021 10:19:16.526
submitted bykurt-hectic
accepted on 29 Apr 2020 14:25:47.668 | 29 Apr 2020 14:26:24.605

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date accepted 29 Apr 2020 14:25:47.668 | 29 Apr 2020 14:26:24.605
date submitted 21 Oct 2019 09:47:40.147
definition
entity Cloud optical depth
source graph graph

description Effective depth (thickness) of a cloud from the viewpoint of radiation propagation. Specifically, OD = exp(-K.Δz), where K is the extinction coefficient [km-1] and Δz the vertical path [km] between the base and the top of the cloud. The WMO Cloud Atlas (https://cloudatlas.wmo.int/en/optical-thickness.html) defines cloud optical thickness as 'The optical thickness of a cloud is the degree to which the cloud prevents light from passing through it.'
item class Concept
label Cloud optical depth
modified 4 Nov 2021 10:19:16.526
notation 506
register observed variable atmosphere
status status stable
submitter
account name https://api.github.com/users/kurt-hectic
name kurt-hectic

type register item
version info 5
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Definition

description Effective depth (thickness) of a cloud from the viewpoint of radiation propagation. Specifically, OD = exp(-K.Δz), where K is the extinction coefficient [km-1] and Δz the vertical path [km] between the base and the top of the cloud. The WMO Cloud Atlas (https://cloudatlas.wmo.int/en/optical-thickness.html) defines cloud optical thickness as 'The optical thickness of a cloud is the degree to which the cloud prevents light from passing through it.'
label Cloud optical depth
notation 506
type Concept