Concept
change_over_time_in_sea_water_preformed_salinity
| URI | http://vocab.nerc.ac.uk/collection/P07/current/EGEBDDGI/1/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | "change_over_time_in_X" means change in a quantity X over a time-interval, which should be defined by the bounds of the time coordinate. Preformed Salinity, S*, is defined as part of the Thermodynamic Equation of Seawater 2010 (TEOS-10) which was adopted in 2010 by the Intergovernmental Oceanographic Commission (IOC). Preformed Salinity is a salinity variable that is designed to be as conservative as possible, by removing the estimated biogeochemical influences on the sea water composition. Preformed Salinity is Absolute Salinity, S_A (which has the standard name sea_water_absolute_salinity), minus all contributions to sea water composition from biogeochemical processes. Preformed Salinity is the mass fraction of dissolved material in sea water. Reference: www.teos-10.org; Pawlowicz et al., 2011 doi: 10.5194/os-7-363-2011; Wright et al., 2011 doi: 10.5194/os-7-1-2011. There are also standard names for the precisely defined salinity quantities sea_water_knudsen_salinity, S_K (used for salinity observations between 1901 and 1966), sea_water_cox_salinity, S_C (used for salinity observations between 1967 and 1977), sea_water_practical_salinity, S_P (used for salinity observations from 1978 onwards), and sea_water_reference_salinity. Salinity quantities that do not match any of the precise definitions should be given the more general standard name of sea_water_salinity. | ||
| Date | 2012-04-27T15:14:48 | ||
| Identifier | SDN:P07::EGEBDDGI | ||
| Note | accepted | ||
| Is Version Of | EGEBDDGI | ||
| version | 1 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/change_over_time_in_sea_water_preformed_salinity | |
| CF | http://vocab.nerc.ac.uk/standard_name/change_over_time_in_sea_water_preformed_salinity/ | ||
| Broader | P02:PSAL |
Salinity of the water column | |
| Related | P06:UGKG |
Grams per kilogram | |
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