About: tendency_of_mass_concentration_of_elemental_carbon_dry_aerosol_particles_in_air_due_to_emission_from_aviation     Goto   Sponge   Distinct   Permalink

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AttributesValues
type
versionInfo
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sameAs
preferred label
  • tendency_of_mass_concentration_of_elemental_carbon_dry_aerosol_particles_in_air_due_to_emission_from_aviation (en)
Identifier
  • SDN:P07::CLQ62JNA
dc:identifier
  • SDN:P07::CLQ62JNA
Date
  • 2017-07-24 14:37:00.0
definition
  • "tendency_of_X" means derivative of X with respect to time. Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. 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". The mass is the total mass of the particles. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Emission" means emission from a primary source located anywhere within the atmosphere, including at the lower boundary (i.e. the surface of the earth). "Emission" is a process entirely distinct from "re-emission" which is used in some standard names. "Aerosol" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol takes up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the aerosol. "Dry aerosol particles" means aerosol particles without any water uptake. The "aviation" sector includes fuel combustion activities related to civil aviation. "Aviation" is the term used in standard names to describe a collection of emission sources. A variable which has this value for the standard_name attribute should be accompanied by a comment attribute which lists the source categories and provides a reference to the categorization scheme, for example, "IPCC (Intergovernmental Panel on Climate Change) source category 1A3a as defined in the 2006 IPCC guidelines for national greenhouse gas inventories". Chemically, "elemental carbon" is the carbonaceous fraction of particulate matter that is thermally stable in an inert atmosphere to high temperatures near 4000K and can only be gasified by oxidation starting at temperatures above 340 C. It is assumed to be inert and non-volatile under atmospheric conditions and insoluble in any solvent (Ogren and Charlson, 1983). (en)
notation
  • SDN:P07::CLQ62JNA
alternative label
owl:deprecated
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note
  • accepted (en)
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has related
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http://purl.org/pav/authoredOn
  • 2017-07-24 14:37:00.0
http://purl.org/pav/hasCurrentVersion
http://purl.org/pav/hasVersion
http://purl.org/pav/version
  • 3
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