@prefix qudt: . @prefix owl: . @prefix ssd: . @prefix xsd: . @prefix skos: . @prefix rdfs: . @prefix qudt-unit: . @prefix qb: . @prefix dgu: . @prefix dct: . @prefix ui: . @prefix reg: . @prefix grib2-parameter: . @prefix qudt-quantity: . @prefix api: . @prefix vann: . @prefix prov: . @prefix foaf: . @prefix cc: . @prefix common-unit: . @prefix grib2-core: . @prefix void: . @prefix version: . @prefix bufr4-core: . @prefix rdf: . @prefix ldp: . @prefix time: . @prefix qudt-dimension: . @prefix vs: . @prefix dc: . @prefix common-core: . a skos:Concept ; rdfs:label "Mean dynamic topography (MDT)" ; dct:description "Time-mean (over a prescribed time period) of the sea surface height above the geoid"@en ; skos:notation "740" . a skos:Concept ; rdfs:label "Significant wave height" ; dct:description "Average amplitude of the highest 33 out of 100 waves"@en ; skos:notation "100" . a skos:Concept ; rdfs:label "Sea-ice surface temperature" ; dct:description "Temperature of the surface of sea-ice"@en ; skos:notation "405" . a skos:Concept ; rdfs:label "Surface currents" ; dct:description "Ocean Vector motion measured at or near the surface (at stated depth)"@en ; skos:notation "65" . a skos:Concept ; rdfs:label "Total alkalinity (TA)" ; dct:description "The amount of acid necessary to titrate all weak bases in seawater"@en ; skos:notation "78" . a skos:Concept ; rdfs:label "Density" ; dct:description "Density measured by CTD"@en ; skos:notation "732" . a skos:Concept ; rdfs:label "Directional waves" ; dct:description "Waves measured in X,Y,Z directions"@en ; skos:notation "745" . a skos:Concept ; rdfs:label "Ocean suspended sediments concentration" ; dct:description "Variable extracted from ocean colour observation. Indicative of river outflow, re-suspension or pollution of other-than-biological origin. Uncertainty expressed in g/m3 at a specific concentration (e.g., 2 g/m3)."@en ; skos:notation "72" . a skos:Concept ; rdfs:label "Ocean subsurface tracers" ; dct:description "Concentration of trace molecules such as tritium and CFCs"@en ; skos:notation "12246" . a skos:Concept ; rdfs:label "O2-Ar ratio" ; dct:description "Ratio of O2/Ar concentrations"@en ; skos:notation "85" . a skos:Concept ; rdfs:label "NO3- (nitrate)" ; dct:description "Nitrate concentration in sea water."@en ; skos:notation "312" . a skos:Concept ; rdfs:label "Dominant wave direction" ; dct:description "One feature of the ocean wave spectrum. It is the direction of the most energetic wave in the spectrum."@en ; skos:notation "98" . a skos:Collection , reg:Register , ldp:Container ; rdfs:label "Observed variable - measurand (ocean)" ; dct:description "Observed variable - measurand (ocean)" ; dct:modified "2024-01-02T17:12:37.012Z"^^xsd:dateTime ; owl:versionInfo 6 ; skos:member , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ; ldp:hasMemberRelation skos:member . a skos:Concept ; rdfs:label "Sea-ice surface characteristics" ; dct:description "Sea-ice surface characteristics (albedo, meltpond, dust, snow properties, temperature)"@en ; skos:notation "404" . a skos:Concept ; rdfs:label "Sea surface salinity" ; dct:description "Salinity of sea water in the surface layer (upper ~1 m if observed in MW)"@en ; skos:notation "92" . a skos:Concept ; rdfs:label "Ocean dynamic topography (ODT)" ; dct:description "Deviation of sea level from the geoid caused by ocean currents (after corrections for tides and atmospheric pressure effects)"@en ; skos:notation "64" . a skos:Concept ; rdfs:label "Sea surface height anomaly (SSHA)" ; dct:description "Sea surface height anomaly"@en ; skos:notation "77" . a skos:Concept ; rdfs:label "Conductivity" ; dct:description "Conductivity measured by CTD or MicroCAT"@en ; skos:notation "731" . a skos:Concept ; rdfs:label "Wave period" ; dct:description "The time required for two successive wave crests to pass a fixed point, or the time for a single wave crest to travel a distance equal to the length of the wave. This is averaged over a specified period of time."@en ; skos:notation "744" . a skos:Concept ; rdfs:label "PO4= (phosphate)" ; dct:description "Phosphate concentration in sea water."@en ; skos:notation "399" . a skos:Concept ; rdfs:label "Chlorophyll a concentration" ; dct:description "Concentration of chlorophyll-a pigment in the surface water [µg l-1]. Indicator of living phytoplankton biomass, extracted from ocean colour observation. Uncertainty is expressed in mg/m3 for a given concentration of 1 mg/m3."@en ; skos:notation "71" . a skos:Concept ; rdfs:label "Zooplankton biomass and diversity" ; dct:description "Biomass expressed as weight by volume; and diversity of biomass expressed as number of species per unit sample."@en ; skos:notation "12245" . a skos:Concept ; rdfs:label "N2, Ar, O2" ; dct:description ""@en ; skos:notation "84" . a skos:Concept ; rdfs:label "NO2- (nitrite)" ; dct:description "Nitrite concentration in sea water."@en ; skos:notation "311" . a skos:Concept ; rdfs:label "Dissolved organic nitrogen" ; dct:description "Concentration of dissolved organic nitrogen"@en ; skos:notation "69" . a skos:Concept ; rdfs:label "Sea-ice motion" ; dct:description "Sea-ice motion"@en ; skos:notation "403" . a skos:Concept ; rdfs:label "Subsurface salinity" ; dct:description "Salinity of seawater"@en ; skos:notation "91" . a skos:Concept ; rdfs:label "pCO2 air-sea flux" ; dct:description "Flux of CO2 from the ocean into the atmosphere"@en ; skos:notation "736" . a skos:Concept ; rdfs:label "Ocean current speed" ; dct:description "Velocity of ocean motion measured at various depth levels"@en ; skos:notation "63" . a skos:Concept ; rdfs:label "Tides" ; dct:description "Periodic change of sea height caused by the gravitational forces exerted by the Moon and the Sun on the Earth"@en ; skos:notation "10080" . a skos:Concept ; rdfs:label "Ocean Surface heat flux" ; dct:description "The exchange of heat, per unit area, crossing the surface between the ocean and the atmosphere. It consists of the turbulent (latent and sensible) and the radiative (short wave and long wave) components."@en ; skos:notation "76" . a skos:Concept ; rdfs:label "Water-leaving spectral radiance" ; dct:description "Upward spectral radiance from the ocean surface, i.e. amount of light leaving the ocean per unit area, per wavelength and per solid angle"@en ; skos:notation "89" . a skos:Concept ; rdfs:label "Wave height" ; dct:description "Average of height (trough to crest) of the waves sampled over a specified time period"@en ; skos:notation "743" . a skos:Concept ; rdfs:label "Diffuse attenuation coefficient (DAC), turbidity" ; dct:description "Indicator of water turbidity and vertical processes in the ocean, extracted from ocean colour observation"@en ; skos:notation "70" . a skos:Concept ; rdfs:label "N2, Ar" ; dct:description "Concentration of dissolved N2 and Ar"@en ; skos:notation "12244" . a skos:Concept ; rdfs:label "pO2" ; dct:description "partial pressure of O2"@en ; skos:notation "549" . a skos:Concept ; rdfs:label "Wind stress" ; dct:description "The shear force per unit area exerted by wind blowing over the sea surface."@en ; skos:notation "103" . a skos:Concept ; rdfs:label "Transmissivity" ; dct:description "Measure of the light that passes through the water in relation to the incident light"@en ; skos:notation "408" . a skos:Concept ; rdfs:label "Coastal sea level (tide)" ; dct:description "Deviation of sea level from local references in coastal zones, caused by local currents and tides (astronomical and wind-induced)"@en ; skos:notation "96" . a skos:Concept ; rdfs:label "Dissolved organic carbon" ; dct:description "Concentration of dissolved organic carbon"@en ; skos:notation "68" . a skos:Concept ; rdfs:label "Sea-ice elevation" ; dct:description "Elevation of the surface of the sea-ice sheet above sea level"@en ; skos:notation "402" . a skos:Concept ; rdfs:label "C2H6S (dimethylsulfide, DMS)" ; dct:description "Concentration of DMS"@en ; skos:notation "90" . a skos:Concept ; rdfs:label "pCO2" ; dct:description "Partial pressure of CO2"@en ; skos:notation "735" . a skos:Concept ; rdfs:label "Ocean current direction" ; dct:description "Direction of ocean motion measured at various depth levels"@en ; skos:notation "62" . a skos:Concept ; rdfs:label "Sea surface mass flux" ; dct:description "Sea surface mass flux"@en ; skos:notation "75" . a skos:Concept ; rdfs:label "Sea surface height (SSH, OST)" ; dct:description "Height of the sea surface with respect to the reference ellipsoid"@en ; skos:notation "742" . a skos:Concept ; rdfs:label "Bathymetry" ; dct:description "Bathymetry"@en ; skos:notation "13" . a skos:Concept ; rdfs:label "SiO3= (metasilicate)" ; dct:description "Concentration of dissolved metasilicate"@en ; skos:notation "82" . a skos:Concept ; rdfs:label "Wave directional energy frequency spectrum" ; dct:description "2D variable colloquially referred to as wave spectrum. Describes the wave energy travelling in each direction and frequency band (e.g. 24 distinct azimuth sectors each 15°deg; wide, and 25 frequency bands)."@en ; skos:notation "102" . a skos:Concept ; rdfs:label "Sea-ice type" ; dct:description "Variable convolving several factors (age, roughness, density, etc.). Accuracy expressed as number of classes. Actually [ classes^-1 ] is used, so that smaller figure corresponds to better performance as usual."@en ; skos:notation "407" . a skos:Concept ; rdfs:label "Sea surface temperature" ; dct:description "Temperature of the sea water at surface. The 'bulk' temperature refers to the depth of typically 2 m, the 'skin' temperature refers to within the upper 1 mm"@en ; skos:notation "95" . a skos:Concept ; rdfs:label "Dissolved inorganic carbon (DIC)" ; dct:description "The cumulated concentration of inorganic carbon species (dissolved carbon dioxide, carbonic acid, bicarbonate and carbonate) in solution"@en ; skos:notation "67" . a skos:Concept ; rdfs:label "Sea-ice cover" ; dct:description "Fraction of an ocean area where ice is present"@en ; skos:notation "401" . a skos:Concept ; rdfs:label "Primary production" ; dct:description "Production of organic matter by 'phytoplankton', microscopic plant-like photosynthetic organisms that live in the water"@en ; skos:notation "74" . a skos:Concept ; rdfs:label "Pressure" ; dct:description "Pressure (depth) measured by CTD."@en ; skos:notation "18" . a skos:Concept ; rdfs:label "Dissolved oxygen" ; dct:description "Concentration of dissolved oxygen (O2) in the water column"@en ; skos:notation "87" . a skos:Concept ; rdfs:label "Mean sea surface (MSS)" ; dct:description "Time-averaged height (over a prescribed time period) of the ocean surface with respect to the reference ellipsoid"@en ; skos:notation "741" . a skos:Concept ; rdfs:label "Wave 1D energy frequency spectrum" ; dct:description "1D variable colloquially referred to as wave spectrum. Describes the wave energy in each frequency band (e.g. 25 frequency bands) regardless of the direction of propagation."@en ; skos:notation "101" . a skos:Concept ; rdfs:label "Sea-ice thickness" ; dct:description "Thickness of the ice sheet. It is related to sea-ice elevation and ice density."@en ; skos:notation "406" . a skos:Concept ; rdfs:label "Subsurface temperature" ; dct:description "Seawater temperature measured with depth (degrees celsius/kelvin)"@en ; skos:notation "94" . a skos:Concept ; rdfs:label "Fluorescence (DOM)" ; dct:description "Flurometric coloured dissolved Organic matter concentration"@en ; skos:notation "739" . a skos:Concept ; rdfs:label "pH" ; dct:description "Negative decimal logarithm of the hydrogen ion concentration in seawater, which is a measure of acidity and alkalinity"@en ; skos:notation "79" . a skos:Concept ; rdfs:label "N2, Ar" ; dct:description "Concentration of dissolved N2 and Ar"@en ; skos:notation "12319" . a skos:Concept ; rdfs:label "Total organic phosphorus" ; dct:description "Concentration of dissolved organic phosphorous"@en ; skos:notation "400" . a skos:Concept ; rdfs:label "Zooplankton (size and/or development stage)" ; dct:description "Aggregate of animal or animal-like organisms in plankton, as protozoans"@en ; skos:notation "733" . a skos:Concept ; rdfs:label "Oil spill cover" ; dct:description "Fraction of an ocean area polluted by hydrocarbons released from ships or off-shore platforms, accidentally or deliberately"@en ; skos:notation "73" . a skos:Concept ; rdfs:label "Ocean subsurface dissolved oxygen concentration" ; dct:description "Concentration of dissolved oxygen"@en ; skos:notation "86" . a skos:Concept ; rdfs:label "Dominant wave period" ; dct:description "The period of the most energetic wave in the ocean wave spectrum"@en ; skos:notation "99" .