Concept
enrichment_of_15N_in_particulate_nitrogen_in_sea_water_expressed_as_lowercase_delta_15N_relative_to_atmospheric_nitrogen
| URI | http://vocab.nerc.ac.uk/collection/P07/current/5UUAWMX7/1/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | Isotopic enrichment of 15N, often called delta 15N, is a measure of the ratio of stable isotopes 15N:14N. It is a parameterisation of the 15N/14N isotopic ratio in the sample with respect to the isotopic ratio in a reference standard (in this case atmospheric nitrogen). It is computed using the formula (((15N/14N)sample / (15N/14N)standard) - 1) * 1000. Particulate means suspended solids of all sizes. | ||
| Date | 2023-02-06T17:17:13 | ||
| Identifier | SDN:P07::5UUAWMX7 | ||
| Note | accepted | ||
| Is Version Of | 5UUAWMX7 | ||
| version | 1 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/enrichment_of_15N_in_particulate_nitrogen_in_sea_water_expressed_as_lowercase_delta_15N_relative_to_atmospheric_nitrogen | |
| CF | http://vocab.nerc.ac.uk/standard_name/enrichment_of_15N_in_particulate_nitrogen_in_sea_water_expressed_as_lowercase_delta_15N_relative_to_atmospheric_nitrogen/ | ||
| Related | P06:UUUU |
Dimensionless | |
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