Entry: Optical or nuclear suspended-sediment gauge

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URI: http://codes.wmo.int/wmdr/ObservingMethodTerrestrial/370    

Determination of the decrease of intensity of a visible light or X-rays beam by means of a photoelectric or nuclear detector situated at constant distance from the source of the beam. This decrease, caused by the scattering and/or absorption by suspended-sediment particles, is proportional to the sediment concentration, if other relevant characteristics of water and sediment (chemical, mineral composition, etc.) remain unchanged. [Based on 'photoelectric or nuclear suspended-sediment gauges' in Guide to Hydrological Practices (WMO-No. 168), Volume I. 2008 edition, updated in 2020.]

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date submitted 14 Nov 2022 14:49:52.459
definition
entity Optical or nuclear suspended-sediment gauge
source graph graph

description Determination of the decrease of intensity of a visible light or X-rays beam by means of a photoelectric or nuclear detector situated at constant distance from the source of the beam. This decrease, caused by the scattering and/or absorption by suspended-sediment particles, is proportional to the sediment concentration, if other relevant characteristics of water and sediment (chemical, mineral composition, etc.) remain unchanged. [Based on 'photoelectric or nuclear suspended-sediment gauges' in Guide to Hydrological Practices (WMO-No. 168), Volume I. 2008 edition, updated in 2020.]
item class Concept
label Optical or nuclear suspended-sediment gauge
notation 370
register observing method terrestrial
status status stable
submitter
account name https://api.github.com/users/amilan17
name amilan17

type register item
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Definition

description Determination of the decrease of intensity of a visible light or X-rays beam by means of a photoelectric or nuclear detector situated at constant distance from the source of the beam. This decrease, caused by the scattering and/or absorption by suspended-sediment particles, is proportional to the sediment concentration, if other relevant characteristics of water and sediment (chemical, mineral composition, etc.) remain unchanged. [Based on 'photoelectric or nuclear suspended-sediment gauges' in Guide to Hydrological Practices (WMO-No. 168), Volume I. 2008 edition, updated in 2020.]
label Optical or nuclear suspended-sediment gauge
notation 370
type Concept