Entry: Gamma-ray attenuation

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URI: http://codes.wmo.int/wmdr/ObservingMethodTerrestrial/347    

Determination of gamma-ray attenuation at given depth of soil using a source and a detector placed at a given distance at the same depth. If the apparent dry bulk density of the soil is known the signal can be converted into a measure of the volumetric soil-moisture content. [Based on 'Gamma-ray attenuation' in Guide to Hydrological Practices (WMO-No. 168), Volume I. 2008 edition, updated in 2020.]

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date submitted 14 Nov 2022 14:49:48.616
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entity Gamma-ray attenuation
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description Determination of gamma-ray attenuation at given depth of soil using a source and a detector placed at a given distance at the same depth. If the apparent dry bulk density of the soil is known the signal can be converted into a measure of the volumetric soil-moisture content. [Based on 'Gamma-ray attenuation' in Guide to Hydrological Practices (WMO-No. 168), Volume I. 2008 edition, updated in 2020.]
item class Concept
label Gamma-ray attenuation
notation 347
register observing method terrestrial
status status stable
submitter
account name https://api.github.com/users/amilan17
name amilan17

type register item
version info 1
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Definition

description Determination of gamma-ray attenuation at given depth of soil using a source and a detector placed at a given distance at the same depth. If the apparent dry bulk density of the soil is known the signal can be converted into a measure of the volumetric soil-moisture content. [Based on 'Gamma-ray attenuation' in Guide to Hydrological Practices (WMO-No. 168), Volume I. 2008 edition, updated in 2020.]
label Gamma-ray attenuation
notation 347
type Concept