Notation	Name	Description	Status
13	Bathymetry	Bathymetry	stable
18	Pressure	Pressure (depth) measured by CTD.	stable
62	Ocean current direction	Direction of ocean motion measured at various depth levels	stable
63	Ocean current speed	Velocity of ocean motion measured at various depth levels	stable
64	Ocean dynamic topography (ODT)	Deviation of sea level from the geoid caused by ocean current...	stable
65	Surface currents	Ocean Vector motion measured at or near the surface (at state...	stable
67	Dissolved inorganic carbon (DIC)	The cumulated concentration of inorganic carbon species (diss...	stable
68	Dissolved organic carbon	Concentration of dissolved organic carbon	stable
69	Dissolved organic nitrogen	Concentration of dissolved organic nitrogen	stable
70	Diffuse attenuation coefficient (DAC), turbidity	Indicator of water turbidity and vertical processes in the oc...	stable
71	Chlorophyll a concentration	Concentration of chlorophyll-a pigment in the surface water [...	stable
72	Ocean suspended sediments concentration	Variable extracted from ocean colour observation. Indicative ...	stable
73	Oil spill cover	Fraction of an ocean area polluted by hydrocarbons released f...	stable
74	Primary production	Production of organic matter by 'phytoplankton', microscopic ...	stable
75	Sea surface mass flux	Sea surface mass flux	stable
76	Ocean Surface heat flux	The exchange of heat, per unit area, crossing the surface be...	stable
77	Sea surface height anomaly (SSHA)	Sea surface height anomaly	stable
78	Total alkalinity (TA)	The amount of acid necessary to titrate all weak bases in sea...	stable
79	pH	Negative decimal logarithm of the hydrogen ion concentration ...	stable
82	SiO3= (metasilicate)	Concentration of dissolved metasilicate	stable
84	N2, Ar, O2		retired
85	O2-Ar ratio	Ratio of O2/Ar concentrations	stable
86	Ocean subsurface dissolved oxygen concentration	Concentration of dissolved oxygen	stable
87	Dissolved oxygen	Concentration of dissolved oxygen (O2) in the water column	stable
89	Water-leaving spectral radiance	Upward spectral radiance from the ocean surface, i.e. amount ...	stable
90	C2H6S (dimethylsulfide, DMS)	Concentration of DMS	stable
91	Subsurface salinity	Salinity of seawater	stable
92	Sea surface salinity	Salinity of sea water in the surface layer (upper ~1 m if obs...	stable
94	Subsurface temperature	Seawater temperature measured with depth (degrees celsius/kel...	stable
95	Sea surface temperature	Temperature of the sea water at surface. The 'bulk' temperatu...	stable
96	Coastal sea level (tide)	Deviation of sea level from local references in coastal zones...	stable
98	Dominant wave direction	One feature of the ocean wave spectrum. It is the direction o...	stable
99	Dominant wave period	The period of the most energetic wave in the ocean wave spect...	stable
100	Significant wave height	Average amplitude of the highest 33 out of 100 waves	stable
101	Wave 1D energy frequency spectrum	1D variable colloquially referred to as wave spectrum. Descri...	stable
102	Wave directional energy frequency spectrum	2D variable colloquially referred to as wave spectrum. Descri...	stable
103	Sea surface wind stress	The shear force per unit area exerted by wind blowing over th...	stable
311	NO2- (nitrite)	Nitrite concentration in sea water.	stable
312	NO3- (nitrate)	Nitrate concentration in sea water.	stable
399	PO4= (phosphate)	Phosphate concentration in sea water.	stable
400	Total organic phosphorus	Concentration of dissolved organic phosphorous	stable
401	Sea-ice concentration	Fraction of an ocean area covered by sea-ice.	stable
402	Sea-ice freeboard	Elevation of the upper sea-ice surface relative to the sea su...	stable
403	Sea-ice velocity	Horizontal displacement of sea ice over a defined time interv...	stable
404	Sea-ice surface characteristics	Sea-ice surface characteristics (albedo, meltpond, dust, snow...	stable
405	Sea-ice temperature	Sea-ice temperature measured at defined vertical levels in th...	stable
406	Sea-ice thickness	Vertical distance between the bottom and the top of sea ice, ...	stable
407	Sea-ice type	Variable convolving several factors (age, roughness, density,...	stable
408	Transmissivity	Measure of the light that passes through the water in relatio...	stable
549	pO2	partial pressure of O2	stable
731	Conductivity	Conductivity measured by CTD or MicroCAT	stable
732	Density	Density measured by CTD	stable
733	Zooplankton (size and/or development stage)	Aggregate of animal or animal-like organisms in plankton, as ...	stable
735	pCO2	Partial pressure of CO2	stable
736	pCO2 air-sea flux	Flux of CO2 from the ocean into the atmosphere	stable
739	Fluorescence (DOM)	Flurometric coloured dissolved Organic matter concentration	stable
740	Mean dynamic topography (MDT)	Time-mean (over a prescribed time period) of the sea surface ...	stable
741	Mean sea surface (MSS)	Time-averaged height (over a prescribed time period) of the o...	stable
742	Sea surface height (SSH, OST)	Height of the sea surface with respect to the reference ellip...	stable
743	Wave height	Average of height (trough to crest) of the waves sampled over...	stable
744	Wave period	The time required for two successive wave crests to pass a fi...	stable
745	Directional waves	Waves measured in X,Y,Z directions	stable
10080	Tides	Periodic change of sea height caused by the gravitational for...	stable
12244	N2, Ar	Concentration of dissolved N2 and Ar	superseded
12245	Zooplankton biomass and diversity	Biomass expressed as weight by volume; and diversity of bioma...	stable
12246	Ocean subsurface tracers	Concentration of trace molecules such as tritium and CFCs	stable
12319	N2, Ar	Concentration of dissolved N2 and Ar	stable
12320	Si(OH)4 (orthosilicic acid)	IUPAC: silicic acid, PubChem CID: 14942, CAS Number: 10193-36...	stable
12321	Snow depth on sea ice	Vertical distance from the snow surface to the underlying sea...	stable
12322	N2O (nitrous oxide)	IUPAC: nitrous oxide, PubChem CID: 948, CAS Number: 10024-97-...	stable
12323	Tsunami wave amplitude	Absolute value of the difference between a particular peak or...	stable
12324	Sea-ice melt pond fraction	The fraction of an area covered by meltwater on the ice. The ...	stable
12325	Surface stokes drift	The net drift of a fluid parcel at the surface due to surface...	stable
12326	Iceberg height	The height of an iceberg above water.	stable
12327	Iceberg length	The length of an iceberg above water. If its shape is irregul...	stable
12328	Sea-ice ridge concentration	Fraction of an area of sea-ice occupied by ridges.	stable
12329	Sea-ice ridge height	Average height of sea-ice ridges in an area.	stable
12330	Sea-ice stage of melt	Categories of sea-ice melt that represent the occurrence of p...	stable
12331	Sea-ice stage of development	Classes of sea ice related to ice age, thickness, strength, a...	stable
12332	Sea-ice lead width	Width of a sea-ice lead approximately perpendicular to its lo...	stable
12333	Sea-ice lead thickness	Thickness of new ice within a sea-ice lead.	stable
12334	Sea-ice surface albedo	Hemispherically integrated reflectance of sea ice in the wave...	stable
12335	Sea-ice age	Age of sea ice since its formation.	stable
12336	Sea-ice floe size distribution	The area density distribution of sea-ice floes expressed as t...	stable