ConceptDEPRECATED
mass_fraction_of_pm2p5_ambient_aerosol_in_air
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CF12S26/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. "Aerosol" means the suspended liquid or solid particles in air (except cloud droplets). "Ambient aerosol" is aerosol that has taken up ambient water through hygroscopic growth. The extent of hygroscopic growth depends on the relative humidity and the composition of the aerosol. "Pm2p5 aerosol" is an air pollutant with an aerodynamic diameter of less than or equal to 2.5 micrometers. To specify the relative humidity and temperature at which the particle size applies, provide scalar coordinate variables with the standard names of, respectively, "relative_humidity" and "air_temperature". | ||
| Date | 2015-01-07T15:23:07 | ||
| Identifier | SDN:P07::CF12S26 | ||
| Note | deprecated | ||
| Has Current Version | 2 | ||
| Version | 1 | ||
| isReplacedBy | mass_fraction_of_pm2p5_ambient_aerosol_particles_in_air | ||
| version | 2 | ||
| Same As | P07:CFSN0796 |
mass_fraction_of_pm2p5_aerosol_in_air | Mapping: 163606 |
| MMI | http://mmisw.org/ont/cf/parameter/mass_fraction_of_pm2p5_ambient_aerosol_in_air | Mapping: 256047 | |
| CF | http://vocab.nerc.ac.uk/standard_name/mass_fraction_of_pm2p5_ambient_aerosol_in_air/ | Mapping: 381018 | |
| Broader | P02:ATPC |
Atmospheric particulates | Mapping: 163789 |
| P04 Global Change Master Directory Science Keywords V5 - (2) | |||
| P64 Global Change Master Directory Science Keywords V6 - (2) | |||
| Related | P06:UUUU |
Dimensionless | Mapping: 163881 |
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