Concept
Concentration of methane {CH4 CAS 74-82-8} per unit volume of the atmosphere by gas chromatography
| URI | http://vocab.nerc.ac.uk/collection/P01/current/CH4AGCXX/ | ||
|---|---|---|---|
| Within Vocab | BODC Parameter Usage Vocabulary | ||
| Alternative Labels | AtCH4 | ||
| Definition | The volume of methane gas contained in a unit volume of atmosphere (sometimes termed mixing ratio). Measurement may either be a single determination or the average of replicate determinations. | ||
| Date | 2016-03-10T11:28:53 | ||
| Identifier | SDN:P01::CH4AGCXX | ||
| Note | accepted | ||
| Has Current Version | 4 | ||
| Version | 1 , 2 , 3 | ||
| version | 4 | ||
| Broader | S26:MAT00843 |
atmosphere | Mapping: 856861 |
S06:S0600045 |
Concentration | Mapping: 856859 | |
P02:AALK |
Concentration of alkanes in the atmosphere | Mapping: 370525 | |
S27:CS002920 |
methane | Mapping: 856863 | |
| Related | S04:S04189 |
gas chromatography | Mapping: 856857 |
P06:UMLV |
Parts per million by volume | Mapping: 370527 | |
S02:S053 |
per unit volume of the | Mapping: 856855 | |
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