Concept
surface_upward_mass_flux_of_methane_due_to_emission_from_herbivorous_mammals
| URI | http://vocab.nerc.ac.uk/collection/P07/current/7V274BWB/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 chemical formula for methane is CH4. The mass is the total mass of the molecules. 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. Herbivores are animals that feed on vegetation. Mammals are any vertebrates within the class Mammalia. Examples of large herbivorous mammals include cows, elks, and buffalos. These animals eat grass, tree bark, aquatic vegetation, and shrubby growth. Herbivores can also be medium-sized animals such as sheep and goats, which eat shrubby vegetation and grasses. Small herbivores include rabbits, chipmunks, squirrels, and mice. The precise conditions under which herbivorous mammals produce and consume methane can vary between models. | ||
| Date | 2023-04-24T17:39:19 | ||
| Identifier | SDN:P07::7V274BWB | ||
| Note | accepted | ||
| Is Version Of | 7V274BWB | ||
| version | 1 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/surface_upward_mass_flux_of_methane_due_to_emission_from_herbivorous_mammals | |
| CF | http://vocab.nerc.ac.uk/standard_name/surface_upward_mass_flux_of_methane_due_to_emission_from_herbivorous_mammals/ | ||
| Related | P06:KSP2 |
Kilograms per square metre per second | |
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