Vocabulary
AtlantOS Essential Variables
| URI | http://vocab.nerc.ac.uk/collection/A05/current/ |
|---|---|
| Description | Collection of terms used to group key measurements into a set of Essential Variables (EV) and their associated units as part of the AtlantOS Atlantic Ocean dataset |
| Creator | British Oceanographic Data Centre |
| Modified | 2019-03-29 |
| Version Info | 4 |
| Identifier | A05 |
| Register Manager | British Oceanographic Data Centre |
| Register Owner | British Oceanographic Data Centre |
| conformsTo |
https://w3id.org/iadopt/ont https://w3id.org/env/puv |
| License | https://creativecommons.org/licenses/by/4.0/ |
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Members
| ID ↑ | Preferred Label ↑ | Definition ↑ | Date ↑ |
|---|---|---|---|
| EV_AIRHUM | Air humidity | The amount of water vapour (relative humidity, dew point temperature) in the atmosphere. | 2016-06-23 |
| EV_AIRTEMP | Air temperature | The temperature of the atmosphere expressed against the International Temperature Scale 1990 (ITS-90) standard. | 2016-06-23 |
| EV_AIRPRESS | Atmospheric pressure | The pressure exerted by the weight of the air in the Earth's atmosphere. | 2016-06-23 |
| EV_BATHY | Bottom depth | The depth of the sea floor or bed relative to a reference datum. | 2016-06-23 |
| EV_13C | Carbon isotope 13C | The amount of carbon stable isotope 13C in seawater using water column measurements. | 2016-06-23 |
| EV_CO2 | Carbonate system | The chemistry of carbon dioxide (DIC, TA, pCO2 and pH) in seawater where pH is expressed against Total, Seawater or Free scales. Includes water column and atmospheric measurements. | 2016-06-23 |
| EV_CHLA | Chlorophyll-a and fluorescence | The amount of chlorophyll-a and chlorophyll fluorescence in seawater using water column measurements. | 2016-11-07 |
| EV_CURR | Currents | The velocity (Eulerian, upward and Stokes Drift) of sea water (includes scalar speeds and directions). | 2017-01-13 |
| EV_DOM | Dissolved organic matter | The amount of dissolved organic matter (DOC, DON and CDOM) in seawater using water column measurements. | 2016-06-23 |
| EV_N2O | Nitrous oxide | The amount of nitrous oxide (N2O) in seawater using water column and atmospheric measurements. | 2016-06-23 |
| EV_NUTS | Nutrients | The amount of dissolved inorganic macro nutrients (NO3, PO4, Si and NO2) in seawater using water column measurements. | 2016-06-23 |
| EV_OXY | Oxygen | The amount of dissolved oxygen in seawater using water column measurements. | 2016-06-23 |
| EV_PHYT | Phytoplankton biomass and diversity | 2019-03-28 | |
| EV_RADFLX | Radiative fluxes | The fluxes of radiation (downwelling and upwelling irradiance) in the atmosphere to and from the sea surface. | 2016-06-23 |
| EV_RAIN | Rainfall | The rate or amount of precipitation (liquid or solid) deposited from the atmosphere. | 2016-06-23 |
| EV_SALIN | Salinity | The salinity of seawater expressed against the Practical Salinity Scale 1978 (PSS-78) standard. | 2016-06-23 |
| EV_SEALVL | Sea Level | The displacement of the water column surface from a fixed, stable reference, expressed as metres or pressure. | 2016-06-23 |
| EV_POM | Suspended particulates | The amount of particulate organic matter (turbidity) in seawater using water column measurements. | 2016-06-23 |
| EV_SEATEMP | Temperature | The temperature of seawater expressed against the International Temperature Scale 1990 (ITS-90) standard. | 2016-06-23 |
| EV_TTRACE | Transient tracers | The amount of transient tracers (CFC-12, CFC-11, SF6, tritium, 3He, 14C) in seawater using water column measurements. | 2017-01-13 |
| EV_WAVES | Waves | The properties (wave height, maximum wave height, significant wave height, wave period, wave direction, wave steepness and wave spectrum energy) of sea waves. | 2017-01-13 |
| EV_WDIR | Wind direction | The direction of the air (absolute) in the atmosphere (from direction). | 2016-06-23 |
| EV_WSPD | Wind speed | The speed of the air (absolute) in the atmosphere. | 2016-06-23 |
| EV_ZOO | Zooplankton biomass and diversity | 2019-03-28 |
