Concept
surface_upward_mass_flux_of_carbon_dioxide_expressed_as_13C_due_to_plant_respiration
| URI | http://vocab.nerc.ac.uk/collection/P07/current/GJC9B0YH/1/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | The surface called "surface" means the lower boundary of the atmosphere. "Upward" indicates a vector component which is positive when directed upward (negative downward). In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula for carbon dioxide is CO2. "C" means the element carbon and "13C" is the stable isotope "carbon-13", having six protons and seven neutrons. 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. Plant respiration is the sum of respiration by parts of plants both above and below the soil. It is assumed that all the respired carbon dioxide is emitted to the atmosphere. The term "plants" refers to the kingdom of plants in the modern classification which excludes fungi. Plants are autotrophs i.e. "producers" of biomass using carbon obtained from carbon dioxide. | ||
| Date | 2018-05-15T09:59:16 | ||
| Identifier | SDN:P07::GJC9B0YH | ||
| Note | accepted | ||
| Is Version Of | GJC9B0YH | ||
| version | 1 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/surface_upward_mass_flux_of_carbon_dioxide_expressed_as_13C_due_to_plant_respiration | |
| CF | http://vocab.nerc.ac.uk/standard_name/surface_upward_mass_flux_of_carbon_dioxide_expressed_as_13C_due_to_plant_respiration/ | ||
| Related | P06:KSP2 |
Kilograms per square metre per second | |
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