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Term Description Type Is ... Has ...
absolute humidityThe amount of water vapor contained in air or other media. Normally measured in kg/m**3.NounVariableUnit
academicAdjective: Belonging or relating to a place of learning, especially a college, university, or academ ...Multiple
accumulated, 24 hoursThis attribute indicates that the daily accumulated value of the quantity is required.CombinedAttribute
accumulated, 3 hoursThis attribute indicates that the value of the parameter accumulated over three hours is required.CombinedAttribute
accumulated, annualIndicates that the value of a parameter accumulated over a full year is required.CombinedAttribute
AccuracyThe conformity to truth or to a standard or model. The degree of conformity of a measure to a stand ...NounAttribute
acoustic doppler current profiler (ADCP)An Acoustic Doppler Current Profiler (ADCP or ADP) is a sonar that attempts to produce a record of w ...Noun
acquired immunodeficiency syndrome-human immunodeficiency virus (AIDS-HIV)Acquired immune deficiency syndrome or acquired immunodeficiency syndrome (AIDS) is a disease of the ...NounKeyword
adjuvantSubstance acting as immune/allergic response enhancer. Also a pharmacological agent added to a drug ...Noun
aerial photographyAerial photography is the taking of photographs of the ground from an elevated position. The term us ...Combined
aeroallergenAny of various airborne substances, such as pollen or spores, that can cause an allergic response.NounKeyword, VariableUnit
aeroallergen-carrying particleParticle that carries other substances that are aeroallergens.Combined
aerobiologyAerobiology studies the passive transport of microorganisms and biological particulate matter throug ...NounKeyword
aerosolAn aerosol can be defined as a dispersion of solid and liquid particles suspended in gas. Atmospheri ...NounVariable
Aerosol absorption optical depth (column)NounVariableUnit
Aerosol effective radius (profile)Vertical profile of the size distribution of aerosol, assimilated to spheres of the same volume.NounVariableUnit
African dustDust particles transported around world from the African continent, particularly the Sahara/sahel re ...Noun
African TrypanosomiasisAfrican trypanosomiasis, sleeping sickness, African lethargy, or Congo trypanosomiasis is a parasiti ...NounKeyword
agricultureAgriculture (also called farming or husbandry) is the cultivation of animals, plants, fungi and othe ...NounKeyword, Variable
airMixture of gases forming the atmosphere surrounding the Earth.NounMedium
air pollutionGaseous, liquid, or solid substances which (when present in sufficient concentration, for a sufficie ...NounKeyword, VariableUnit
Air Pollution Index (API)Index of air quality. See also air quality for other measures of air quality.NounVariable, Index
air pressurePhysical property that express the pressure of air at a given point in the atmosphere.NounKeyword, VariableUnit
air quality (AQ)Air quality is defined as a measure of the condition of air relative to the requirements of one or m ...NounKeyword
Air Quality Index (AQI)Index of air quality. See also air quality for other measures of air quality.NounVariable, Index
air sea co2 fluxThe exchange of CO2 over the air-sea interface.The air-sea CO2 flux is a key inter-reservoir exchang ...NounVariable
air temperaturePhysical property that express the temperature of air.NounEV, VariableUnit
airborne pollenPollen carried by or in the air.NounVariableUnit
algaeAlgae are simple living organisms that carry out photosynthesis using sunlight as an energy source t ...
allergenA substance that triggers an allergic reaction in people who are sensitive to it. Examples include p ...NounKeyword, VariableUnit
allergen challengeThe administration of an antigen or allergen to a person who has been previously exposed to the anti ...Noun
allergen concentrationConcentration of allergens, normally in air.NounVariable
allergen dispersionThe process that disperses allergens in the environment and can be influenced by, e.g., weather cond ...NounVariable
allergic asthmaAsthma is an inflammatory disorder of the airways. Symptoms consist of episodes of wheezing, shortne ...CombinedKeyword
allergic diseaseA disease caused by a hypersensitivity reaction initiated by specific immune mechanismsNounKeyword
allergic reactionHypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity.NounKeyword
allergic rhinitisAllergic rhinitis is nasal inflammation producing symptoms, mostly in the nose and eyes, and occurri ...NounKeyword
allergy potencyAllergy potency is the capacity of pollen to produce allergens. It is an exposure parameter.Noun
allergy riskAllergy risk is a health impact parameter related to allergen exposure.Noun
altimeterAn instrument used for determining elevation, especially an aneroid barameter used in aircraft that ...Noun
ammonia (NH3)Ammonia (ug/m3). A colorless, pungent gas, composed of nitrogen and hydrogen: its compounds are use ...NounUnit
AmoebiasisAmoebiasis, or Amebiasis refers to infection caused by the amoeba Entamoeba histolytica. The term En ...NounKeyword
amountIn the URR, the amount is the aggregate of an Earth observation parameter over a certain time or spa ...NounAttribute
ampre (A)electric current
anedromous fishAnedromous fish hatch in freshwater, grow to adulthood in the ocean and returns to streams and river ...Noun
anemophilous plantA wind pollinated plant.Combined
anthropogenicOriginating from human activities; made or modified by humans.Adjective
applicationA process or activity depending directly or indirectly on Earth observations and/or producing inform ...NounGlossary
aquacultureAquaculture, also known as aquafarming, is the farming of aquatic organisms such as fish, crustacean ...NounVariable
aquatic ecosystem health indexThe Aquatic Ecosystem Health Index is a complex index mainly used for air quality-relevant evaluatio ...NounVariable
aquiferaquifer: a geologic formation that transmits water in sufficient quantity to support wells and spri ...NounMedium, KeywordUnit
AreaSize of a (two-dimensional) object, such as a room, building, lake, city, country, the ocean.NounAttributeUnit
area (m2)the two-dimensional spatial coverage of a phenomenonNoun
AscariasisAscariasis is a human disease caused by the parasitic roundworm Ascaris lumbricoides. Perhaps as man ...NounKeyword
ascosporeSexual spore produced by fungi in the Phylum (Division) Ascomycota, often called ascomycetes. Ascosp ...NounKeyword, Variable
assetAn asset is a resource with economic value that an individual, corporation or country owns or contro ...NounVariableUnit
atmosphereThe gaseous mass or envelope surrounding a celestial body, especially the one surrounding the earth, ...NounMedium
attributeIn connection with a database entry, the term attribute is used to denote one of the characteristics ...NounGlossary
avalancheViolent tumbling and sliding of snow down a mountain or other slope.NounMedium, Variable
Avian influenzaAvian influenza, sometimes avian flu, and commonly bird flu, refers to "influenza caused by viruses ...NounKeyword
aviationThe operation of aircrafts. Also the design, development, and production of aircrafts.NounKeyword
back-trajectory analysisDetermination of the location of a pollutant emission source or pollen emission source by means of r ...Noun
Barmah Forest virusBarmah Forest virus is a virus currently found only in Australia. According to a Queensland Public H ...Noun
basidiosporeSexual spore produced by fungi in the Phylum (Division) Basidiomycota, which are often called basidi ...NounVariable
bathymetryBathymetry is the study of underwater depth of lake or ocean floors. The term is often used to denot ...NounVariableUnit
Biochemical Oxygen Demand (BOD)The Biochemical Oxygen Demand (BOD) measures the amount of organic pollution is in the water on the ...NounEV, VariableUnit
biogeochemical assessmentThe assessment of the cycling of substances or chemical elements or molecules as they move through b ...Combined
blue waterBlue water includes the visible water that is seen in lakes and rivers. When precipitation falls on ...AttributeUnit
BluetongueBluetongue disease or catarrhal fever is a non-contagious, non-zoonotic, insect-borne, viral disease ...Noun
body wavesBody waves are one of the two main types of seismic waves.Body waves can travel through the earth's ...NounVariable
BrucellosisBrucellosis, also called Bang's disease, Gibraltar fever, Malta fever, Maltese fever, Mediterranean ...Noun
Bubonic plagueBubonic plague is the best known manifestation of the plague, caused by the Gram-negative bacterium ...Noun
building codeA series of ordinances enacted by a state or local governmental entity, establishing minimum require ...Noun
building codesA series of ordinances enacted by a tate or local governmental entity, establishing minimum requirem ...Noun
buoyAn anchored float serving as a navigation mark, to show reefs or other hazards, or for mooring.Noun
burdenSomething that is carried; something that is emotionally difficult to bear; a source of great worry ...NounUnit
candela (cd)luminous intensity
carbon dioxide (CO2)Carbon dioxide (chemical formula CO2) is a naturally occurring chemical compound composed of two oxy ...NounVariable
catchmentArea around a water body for which water runs to that water body.NounAttribute, Variable
categoryA broad facet, primary division of a special classification system or of a main class of a general o ...NounGlossary
cells per milliliter (cells/ml)
Chagas diseaseChagas disease, also called American trypanosomiasis, is a tropical parasitic disease caused by the ...Noun
chemical compositionThe nature and proportions of the elements comprising a chemical compound. The combination of materi ...CombinedAttributeUnit
chemical composition of PM2.5Ambient mass concentration of PM2.5 particulate matter composition, less than 2.5 µm in diameter (u ...NounVariableUnit
chemical composition of precipitationConcentration or deposition of chemical species in precipitation (g/m2,year). Questions: What chemic ...NounVariableUnit
chemical transformation (ChemTrans)A chemical reaction that transforms some substances into one or more other substances.CombinedAttribute
ChikungunyaChikungunya virus is an insect-borne virus, of the genus Alphavirus, that is transmitted to humans b ...Noun
chilling requirementThe chilling requirement of a fruit is the minimum period of cold weather after which a fruit-bearin ...CombinedAttributeUnit
chilling unitChilling unit in agriculture is a metric of a plant's exposure to chilling temperatures. One chillin ...CombinedUnit
CholeraCholera is a severe infection caused by the bacterium Vibrio cholerae, which primarily affects the s ...NounVariable
chronic obstructive pulmonary disease (COPD)Chronic obstructive pulmonary disease is one of the most common lung diseases. It makes it difficult ...Combined
climate changeAny significant change in measures of climate (such as temperature, precipitation or wind) lasting f ...NounKeyword
climate change impactImpacts of climate change, such as sea level rise, melting of permafrost, climate induced changes in ...CombinedKeyword
climate modelingNumerical modeling of climate variability (and change) due to prescribed or modeled forcing. State-o ...CombinedKeyword
clinical trialcontrolled clinical experimentation conducted to allow safety and efficacy data to be collected for ...CombinedKeyword
coastal zoneThe dynamic nature of the coast makes it difficult to clearly define the coastal zone. Most simply t ...NounMedium, Keyword
COASTLINE_LENGTHThe length of a country's interface with the ocean.NounAttributeUnit, Dimension
column amountIn the URR, the column amount is the aggregate of an Earth observation parameters over a (normally v ...NounAttribute
column concentration (ColCon)Concentration of a particular species in any matter averaged over a column.CombinedAttributeUnit
concentrationConcentration is defined as the abundance of a constituent divided by the total volume of a mixture. ...AdjectiveAttribute
creepThe slow movement of material due to stress or other forces.Noun
Crimean-congo hemorrhagic feverCrimean-Congo hemorrhagic fever (CCHF) is a widespread tick-borne viral disease, a zoonosis of domes ...Noun
cubic meter per second (m^3/s)This unit is used to measure flow, e.g. streamflow.Noun
cubicmeter (m^3)Measure for volume.Noun
cumulative season total (CST)Unitless sum of the average daily pollen concentration throughout the season.NounAttribute
CupressaceaeA family of conifers (in the order Coniferales) that is widely distributed. Several species in the f ...NounKeyword
daily meanIndicates that the daily mean value of the property is required.CombinedAttribute
damagePhysical harm caused to something in such a way as to impair its value, usefulness, or normal functi ...NounKeyword, Variable
deformationAn alteration of shape, caused by stress or other forces.NounVariable
deltaA delta is a sedimentary deposit at the mouth of a river. Additional sediment is transported to the ...NounMedium
demographicsDemographics are the statistical characteristics of a population. These types of data are used widel ...NounVariable
Dengue feverDengue fever and dengue hemorrhagic fever (DHF) are acute febrile diseases which occur in the tropic ...Noun
depositionIn the URR context, the act of depositing, especially the laying down of matter by a natural process ...NounAttribute
deposition processpollen and spores are under dry (impact or gravitational sedimentation) or wet (rainout or washout) ...Noun
desalinizationDesalinization is the process of removing dissolved salts form sea water and brakish water to reduc ...Noun
DescriptionA statement or account giving the characteristics of someone or something As an attribute in a know ...NounAttribute
desertificationDesertification is the process whereby vegetation is lost in an arid or semiarid region leaving the ...Noun
detectionAct or process of detecting an event or signal.Noun
dewdew: Water condensed onto grass and other objects near the ground, the temperatures of which have fa ...NounKeyword, VariableUnit
dew harvestingDew harvesting is a water supply strategy applied in arid areas where there is insufficient water to ...CombinedUnit
dictionaryA reference tool containing an alphabetical list of words, with information given for each word, usu ...NounGlossary
diesel exhaustParticulate matter and gases emitted from power plants and vehicles using diesel fuell.NounVariable
disasterA disaster is a sudden calamitous event that affects society or environment negatively by bringing g ...NounKeyword
dischargeA flowing out or pouring forth; emission; secretion. rate of discharge for example from pollution so ...NounVariableUnit
displacementA shift in position of a point or volume element.NounVariableUnit
domestic water useDomestic water need is the water needed by a human dwelling for the occupants to meet the requiremen ...NounVariableUnit
driftersA floating boat equiped with drift net.Noun
droughtdrought: a period of abnormally dry weather sufficiently prolonged for the lack of water to have ser ...NounKeyword
drought indexA number representing net effect of evaporation, transpiration, and precipitation in producing cumul ...NounVariable
dry depositionThe process of pollen and spores deposition by impact or gravitational sedimentation, i.e. without w ...Combined
early warningThe act of issuing a warning in a timely manner to allow for appropriate reactions. More specificall ...CombinedKeyword
Earth observationMeasurements of parameters and variables (e.g., physical, geophysical, chemical, biological, etc.) r ...CombinedKeyword
Earth observation parameter (EOP)In the context of the URR, an Earth observation parameter is a quantity that can be observed or quan ...NounKeyword
Earth observation priorityAn agreed-upon priority in Earth observation that would result in significant benefits and serve imp ...NounKeyword
Earth surfaceSurface of the solid Earth.NounMedium
earthquakeShaking or vibration of the Earth's crust caused by sudden movements of the Earth's crust due to rel ...NounKeyword, Variable
EbolaEbola is the virus Ebolavirus (EBOV), a viral genus, and the disease Ebola hemorrhagic fever (EHF), ...NounKeyword
economic valueThis term is used to denote the economic value of a product, estate, or asset.NounAttribute, Variable
ecosystemAn ecosystem is a biological environment consisting of all the organisms living in a particular area ...NounKeyword, Variable
educationThe action or process of educating or of being educated; the knowledge and development resulting fro ...Noun
educationalRelated to education. In the societal sector occupied with education.AdjectiveKeyword
elevationThe height of something above a given or implied reference, for example sea level, reference ellipso ...NounVariableUnit
emissionRelease of something by a system into another system. In the case of pollen or spores, they are emit ...NounAttribute, Keyword, VariableUnit
entryAn entry is a full row in a database relation (table).URR-Comment:Examples of entries in the URR are ...NounGlossary
environmental epidemiologyEnvironmental epidemiology is the branch of public health that deals with environmental conditions a ...NounKeyword
environmental healthEnvironmental health is a branch of public health concerned with all aspects of the natural and buil ...AdjectiveKeyword
episodic eventEpisodic events are considered to be events that occur at a distant point in time - either with sudd ...NounVariable
eruptionThe release of gas, ash, molten materials, or hot water into the atmosphere or onto the Earth's surf ...Noun
essential climate variable (ECV)Essential climate variables are Earth observation parameters that are consider essential for climate ...CombinedKeyword
essential variable (EV)Essential variables are Earth observation parameters that are consider essential and need to be moni ...CombinedKeyword
evaporationevaporation: the process whereby a liquid is changed to the vapour state. In general it refers to t ...NounKeyword, VariableUnit
evapotranspiration (ET)the total amount of water transferred from the earth to the atmosphere through the processes of evap ...NounKeyword, VariableUnit
exceedanceThe event of a parameter exceeding a given threshold value. As earth observation parameter, the dete ...NounAttribute, Variable
extremeAt the egde or outside of the norm.
extreme weatherExtreme weather condition associated with violent stroms, hurricances, extreme heat, droughts.Combined
faecal indicatorsA group of organisms that indicates the presence of faecal contamination, such as the bacterial grou ...NounVariable
FasciolosisFasciolosis also known as Fascioliasis, Fasciolasis, distomatosis and liver rot, is an important hel ...NounKeyword
faultA fracture in the continuity of a rock formation caused by a shifting or dislodging of the earth's c ...NounVariable
fireCombustion or burning, in which substances combine chemically with oxygen from the air and typically ...NounVariable
flashfloodA sudden flood of great volume, usually caused by a heavy rain.NounVariable
floodInundation of water over land, through heavy rain, overflowing rivers, or other sources. Flooding of ...NounKeyword, Variable
flood controlFlood control refers to the actions taken to reduce the effects of floods. These include raising th ...Noun
flood plainA floodplain is a the broad flat area between the stream channel and the valley wall. This area is ...NounMedium
FLOW_RATEThe volume of water in a body of water that passes a given point per unit time.NounAttribute, VariableUnit
Formaldehyde (HCHO)Ambient mass concentration of formaldehyde (ug/m3). Formaldehyde, HCHO, is a colorless, gaseous comp ...NounVariableUnit
fossil fuel
Fraction of Absorbed Photosynthetically Active Radiation (FAPAR)The FAPAR is a radiometric measure of plant canopies. For more information, see the entry for the Le ...NounVariable
freshwater algaeAlgae can grow anywhere because the spores it uses to reproduce can be picked up by the wind and tra ...NounVariable
fungal diseasepathogenic fungi can cause disease in humans or other organisms. The study of pathogenic fungi is re ...NounKeyword, Variable
geodeticof or relating to or determined by geodesyAdjective
geographic information system (GIS)A geographic information system integrates hardware, software, and data for capturing, managing, ana ...
geohazardA geohazard is a hazard resulting from processes in the solid Earth.NounKeyword, Variable
geophysicsGeophyscis is the discipline studying the Earth with methods of physics.Noun
glaciera mass of land ice, formed by the recrystallization of the firn, flowing slowly from an accumulation ...NounKeyword, VariableUnit
Global Earth Observation System of Systems (GEOSS)
global sea level (GSL)Average of local sea level taken over the area of all oceans, i.e. average over the area of the ocea ...NounVariableUnit
glossaryTerminological dictionary which contains a list of designations from a subject field, together with ...NounGlossary
gram (g)A gram is defined as one one-thousandth of the SI base unit, the kilogram, or 1×10−3 kg.
gram per cubic meter (g/m^3)Measure of mass component; normally used to indicated components of air or water.
gram per square meter (g/m^2)
gram per square meter per year (g/m^2/yr)
gravityGravitation, or gravity, is the natural phenomenon by which physical bodies attract each other with ...NounKeyword, VariableUnit
green waterThe green water flow component of the water cycle refers to the quantity of precipitation that reach ...NounAttributeUnit
ground motionThe movement of the earth's surface from earthquakes or explosions.Ground motion is produced by wave ...NounVariable
groundwaterGroundwater is water located beneath the ground surface in soil pore spaces and in the fractures of ...NounKeyword
groundwater contamination riskThe groundwater contamination risk is an important management indicator for assessing the quality of ...NounAttribute, Keyword
Guinea worm diseaseGuinea worm disease (GWD), also called dracunculiasis, is a parasitic infection caused by Dracunculu ...NounKeyword
HantavirusHantaviruses belong to the Bunyaviridae family of viruses. The Bunyaviridae family is divided into 5 ...NounKeyword
hard waterHard water refers to water that contains large amounts of dissolved minerals, especially calcium and ...AdjectiveAttribute
harmful algaeToxic algae that can potentially harm humans or animals.NounVariable
hazardA hazard is a situation which poses a level of threat to life, health, property, or environment. A h ...Noun
hazard assessmentA hazard assessment is used as the first step in a process used to assess risk. The result of a haza ...Noun
hazard mapA map that illustrates hazards/situation which poses a level of threat to life, health, property, or ...Noun
health surveillancethe monitoring (including biological and clinical) of a person in relation to the person's exposure ...NounKeyword
high frequency radar (hf radar)High frequency radar is used by ocean researchers to measure surface current velocity fields near th ...Noun
HookwormThe hookworm is a parasitic nematode (roundworm) that lives in the small intestine of its host, whic ...NounKeyword
hour (h)Time unit; 3600 second (SI unit).Noun
householdA household is a basic unit used in planning for the urban scale and other scales. A household is g ...NounKeyword, Variable
housingBuildings or other shelters in which people live. A place to live; a dwelling.NounVariable
Human Health MeasuresMeasures that are indicative of human healthNounVariable
humiditythe amount of water vapor in the air. This is an important parameter for living organisms. Humidity ...NounKeyword, VariableUnit
hurricaneA severe tropical cyclone having winds greater than 64 knots (119 kilometers per hour), originating ...NounVariable
hydrographa graphical representation of the stage or discharge at a point on a stream as a function of time. ...NounMedium
hydrologyThe scientific study of the properties, distribution, and effects of water on the earth's surface, i ...Noun
hygrophilous plantswater pollinated plantAttribute
iceWater frozen solid. Also other substances resembling frozen water.Noun
ice coverThe area of sea-ice cover is often defined in two ways, i.e., sea-ice “extent” and sea-ice “ar ...NounVariable
ice-jam floodThis is the type of flood caused by the accumulation of broken river ice that is caught in a constr ...NounAttribute, VariableUnit
Identification (ID)In most cases, this term refers to evidence of identity. It also refers to an act of identifying som ...NounAttribute
immunoglobulin E (IgE)Immunoglobulin E (IgE) antibodies are found in the lungs, skin, and mucous membranes. They cause the ...
index and model organismsA group/or species indicative of pathogen presence and behaviour respectively, such as E. coli as an ...
industrial water useIndustrial water refers to the water used in industrial processes in order to produce a good or serv ...NounVariableUnit
infectious diseaseAn infectious disease is a clinically evident disease resulting from the presence of pathogenic micr ...NounKeyword
InfluenzaInfluenza, commonly referred to as the flu, is an infectious disease caused by RNA viruses of the fa ...NounKeyword
information technology (IT)Information technology, as defined by the Information Technology Association of America (ITAA), is t ...
insolationInsolation is the amount of solar energy that reaches the Earth's surface.NounVariableUnit
Integrated Assessment Model (IAM)Integrated Assessment Model are computer models that analyse a broad range of data – e.g. physical ...CombinedGlossary Term
integrated coastal zone management (ICZM)Integrated coastal zone management (ICZM) or Integrated coastal management (ICM) is a process for th ...NounKeyword
integrated tropospheric water content (ITWC)ITWC is the water content in the troposphere integrated vertically from the Earth surface to the top ...NounVariable
interferometerAny optical, acoustic, or microwave instruments that uses interference phenomena (patterns or fringe ...Noun
interferometricRelating to interferometers or interferometry.Adjective
interoperabilityAbility of information systems to share information based on open standards.NounKeywordUnit
inundationThe rising of a body of water and its overflowing onto normally dry land.NounKeyword, Variable
invasive plantnon-indigenous species successfully spreading in new territoriesCombinedKeyword, VariableUnit
invasive speciesInvasive species are non-native species including plants, animals and microbes that are introduced i ...NounVariable
inventoryA list of elements in a certain group or group of groups.NounAttribute
irrigation waterIrrigation water is the amount of water that a farmer adds to his soil to irrigate this/her crop. T ...NounVariableUnit
Japanese encephalitisJapanese encephalitis, previously known as Japanese B encephalitis to distinguish it from von Econom ...NounKeyword
Kelvin (K)The Kelvin is a unit of measurement for temperature. It is one of the seven base units in the Intern ...
kilogram (kg)
kilogram per cubic meter (kg/m^3)Measure used mainly for density of a matter; also for components in a material composed of several c ...
kilogram per square meter (kg/m^2)Noun
Kunjin virusKunjin virus (KUNV) is a zoonotic virus of the family Flaviviridae and the genus Flavivirus. It is a ...NounKeyword
labelAn item used to identify something or someone.NounVariable
laharA rapid landslide or mudflow of wet volcanic fragments on the flanks of a volcano; ususally containi ...NounVariable
land coverPhysical material at the surface of the earth, such as vegetation, bare soil, rock, sand, and water. ...NounMedium, Keyword, Variable
land useLand use human use of land. Land use involves the management and modification of natural environment ...NounVariable
land use planningthe scientific, aesthetic, and orderly disposition of land, resources, facilities and services with ...CombinedKeyword
landslideLandslide – refers to the downhill movement of a significant amount of rock and soil (also referre ...NounKeyword, Variable
latencyThe time it takes between a specific event and the arrival of information about this event at a dest ...NounUnit
Leaf Area Index (LAI)The LAI is a structural measures of plant canopies. The LAI relates to the Fraction of Absorbed Phot ...NounVariable
LeishmaniasisLeishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is ...NounKeyword
Lengththe longer or longest dimension of an object, or a measured distance or dimension; or duration or ex ...NounAttributeUnit
LeptospirosisLeptospirosis (also known as Weil's disease, Weil's syndrome, canicola fever, canefield fever, nanuk ...NounKeyword
linkA connection between a source and a target.URR-Comment:In the URR, links are published in the respec ...NounGlossary
link degreeURR-Comment:This term is used in the context of URR analyses. link degree: indicates how many levels ...NounGlossary
link levelURR-Comment:This term is used in the context of URR analyses. The link level indicates how many one- ...NounGlossary
Loa loa filariasisLoa loa filariasis (also known as loiasis, loaiasis, Calabar swellings, Fugitive swelling, Tropical ...NounKeyword
local sea level (LSL)Local height of the ocean surface above the surface of the solid Earth. The term normally implies th ...NounVariableUnit
long term trendsTrends whose effects are observed to exist over a lengthy period of time.Noun
Lyme diseaseLyme disease, or lyme borreliosis, is an emerging infectious disease caused by at least three specie ...NounKeyword
Lymphatic filariasisLymphatic filariasis (Philariasis) is a parasitic disease and is considered an infectious tropical d ...NounKeyword
malariaAn infectious disease characterized by cycles of chills, fever, and sweating, caused by a protozoan ...NounKeyword
man-made lakesManmade lakes are reservoirs created by man usually through the construction of a dam that creates a ...NounMedium, Variable
maximumThe upper value of a variable.NounAttribute
mean sea level (MSL)Temporally averaged height of the sea surface above a reference after the effect of waves, tides, an ...NounVariableUnit
MediumHere, it means a surrounding or enveloping substance. More specifically, a medium in the ontology i ...NounAttribute
meningitisMeningitis is a serious inflammation of the meninges, the thin, membranous covering of the brain and ...NounKeyword
Meningococcal meningitisMeningococcal disease describes infections caused by the bacterium Neisseria meningitidis (also term ...NounKeyword
mercury concentrationMercury is a heavy metal that is naturally occurring in various ores and is used as an industrial ch ...NounEV, Keyword, VariableUnit
meteorological factorData pertaining to the atmosphere, such as wind, temperature, wind speed/direction and other phenome ...NounKeyword, VariableUnit
meter (m)The metre (or meter), symbol m, is the base unit of length in the International System of Units (SI) ...
meters per second (m/s)
meters per second squared (m/s^2)
microbial indicatorsMicrobial indicators also called process indicators are a group of organisms that demonstrates the e ...NounVariable
Millimeter (mm)Noun
minimumThe lower value of a variable.NounAttribute
mole (mol)
moles per litreThis is a unit which defines the amount of substance that is in solution. It is given as the number ...NounAttribute
monthly meanIndicates that the monthly mean of a quantity is required.CombinedAttribute
Murray Valley encephalitisMurray Valley encephalitis virus (MVEV) is a zoonotic flavivirus endemic to northern Australia and P ...NounKeyword
NameA word or phrase that constitutes the distinctive designation of a person or thing. As an attribute ...NounAttribute
NAMEA term used for identification.NounAttribute, Glossary Term
naturalIs used in opposition to anthropogenic; not made or significantly modified by humans.Adjective
natural hazardCombined
newable energy
newton (N)The newton (symbol: N) is the SI derived unit of force, named after Isaac Newton in recognition of h ...Noun
nitrogen dioxide (NO2)Ambient mass concentration of nitrogen dioxide (ug/m3. Nitrogen dioxide is one of a group of highly ...NounVariableUnit
nitrogen oxides (NOx)Ambient mass concentration of nitrogen oxide (ug/m3). Nitrogen oxides form when fuel burns at high ...NounVariableUnit
non governmental organization (NGO)Organization that is not part of any government; a key distinction is between not-for-profit groups ...
non-governmental organizationCombined
Normalized Deviation Pond Index (NDPI)Index of normalized deviation of free water extent within ponds.NounKeyword, Variable
Normalized Deviation Turbidity Index (NDTI)Normalized deviation of turbid water extent within ponds.NounKeyword, Variable
Normalized Difference Vegetation Index (NDVI)The Normalized Difference Vegetation Index (NDVI) is a simple graphical indicator that can be used t ...NounVariable
numerical weather prediction (NWP)Weather prediction based on the output of a numerical model of the weather system. Numerical Weather ...Combined
nutrientA substance that provides nourishment essential for growth and the maintenance of life.NounVariable
nutrient budgetA nutrient budget is a measure of the nutrient balance of a farming operation. It takes into account ...NounVariable
observation requirementA requirement for specific Earth observations of a parameter or variable, normally specifiying resol ...CombinedKeyword
observational studyA type of study in which individuals are observed or certain outcomes are measured. No attempt is ma ...
ocean currentsAn ocean current is a continuous, directed movement of ocean water generated by the forces acting up ...NounVariable
OnchocerciasisOnchocerciasis, also known as river blindness and Robles' Disease, is a parasitic disease caused by ...NounKeyword
ontologyA reference tool containing an explicit formal specification of how to represent the objects, concep ...NounGlossary, Keyword
oxygenA colorless, odorless, gaseous element constituting about one-fifth of the volume of the atmosphere ...NounVariable
ozone (O3)Ambient mass concentration of ozone (ug/m3). Ozone is a gas that occurs both in the Earth's upper ...NounVariableUnit
particulate dissolved matterParticulates, also known as particulate matter (PM), fine particles, and soot – are tiny subdivisi ...NounVariableUnit
particulate matter (PM)Particulates – also known as particulate matter (PM), fine particles, and soot – are tiny subdiv ...NounKeyword, Variable
particulate matter less than 10 micrometers in diameter (PM10)Burden of Particulate Matter less than 10 µm in diameter (ug/m3). Particulate matter pollution con ...NounUnit
particulate matter less than 2.5 micrometers in diameter (PM2.5)Burden of particulate matter less than 2.5 micrometers (µm) in diameter (ug/m3). Particles less th ...NounUnit
pascal (Pa)The pascal is the SI derived unit of pressure, internal pressure, stress, Young's modulus and tensil ...Noun
pathogenA pathogen or infectious agent — colloquially, a germ — is a microbe or microorganism such as a ...NounVariable
peoplePersons, generally; an indefinite number of men and women; folks; population, or part of population;NounVariable
per second (s^(-1))A unit used e.g. for strain rates.Combined
percipitationNounKeyword, VariableUnit
permeabilityThe ability of a substance to allow another substance to pass through it, especially the ability of ...NounVariable
pHIn chemistry, pH is a measure of the acidity or basicity of an aqueous solutionNounVariable
pH (Hydrogen Ion Concentration) (pH)The pH measures the effective acidity or alkalinity of a solution, It is expressed as the negative l ...NounAttributeUnit
phenologicadjective to phenology.Adjective
phenologythe scientific study of cyclical biological events, such as flowering, breeding, and migration, in r ...NounKeyword, VariableUnit
phenophasesidentificable phenological sections to monitor the development of the life cycle of organismsNounVariableUnit
physicsPhyscis is the scientific discipline studying the world with physical methods.Noun
phytoplanktonAre the autotropic component of the plankton community. They are photosynthesizing microscopic organ ...NounVariable
pigmentA pigment is a substance occurring in plant or animal tissue and producing a characteristic colour, ...NounVariable
pollenthe fine powder-like material consisting of pollen grains that is produced by the anthers of seed pl ...NounKeyword
pollen callendarA table or chart on which variations in airborne levels of pollen from allergenic plants are plotted ...NounKeyword
pollen dispersionimportant natural phenomenon describing the mass distribution of airborne pollen; understanding poll ...CombinedVariable
pollen emissionin higher plants pollination occurs due to opening of the anthers. Once anthers mature, dehydration ...CombinedKeyword, VariableUnit
pollen indexsum of daily average of pollen grains per cubic meter of air along the season (Seasonal Pollen Index ...CombinedKeyword, VariableUnit
pollen production
pollen productivitypollen refers to the amount or quantity of allergenic material produced by different plants in diffe ...Variable
pollen seasonTime between on-set (start date) and end of pollination for a particular taxonKeyword, VariableUnit
pollen transportthe movement of pollen in space due to meteorological conditions, mainly wind speed and direction.NounVariable
pollinationpollen transfers from male to female reproductive organs to fertilization. The pollen can be transfe ...NounKeyword, VariableUnit
pollinosisseasonal allergy in response of pollen (allergic rhinitis, conjunctivitis or asthma)NounKeywordUnit
pollutantA sustance or condition that pollutes, such as a chemical waste materials that contaminates air, soi ...Noun
Pollutant Standard Index (PSI)Index of air quality. See also air quality for other measures of air quality.NounVariable
pollutantsA pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.Thre ...NounVariable
pollutionThe act or process of polluting or the state of being polluted, especially the contamination of soil ...Noun
pollution eventUnhealthy levels of pollutants from a variety of potential natural and anthropogenic sources.Noun
POPULATIONThe quantity of individuals living within a certain area; a particular section, group, or type of pe ...NounAttributeUnit
populationA population is all the organisms that both belong to the same group or species and live in the same ...NounAttribute, Medium, Keyword, Variable, GeoArea, Unit
population densityThe number of people living per unit of an area (e.g. per square mile); the number of people relativ ...NounVariable
precipitationAny form of water, such as rain, snow, sleet, or hail, that falls to the Earth's surface. Also the p ...NounKeyword, VariableUnit
prevalence of allergic diseaseEpidemiological term: the number of all new and old cases of allergic disease (e.g., asthma, rhiniti ...
preventive health measurethe kind of actions public health authorities normally recommend in an attempt to prevent foreseeabl ...Adjective
probability density function (pdf)In probability theory, a probability density function (pdf), or density of a continuous random varia ...NounAttribute, Variable
public healthPublic health is the science and art of preventing disease, prolonging life and promoting health thr ...NounKeyword
pulmonary function testsobjective measures and monitoring of ventilatory function, lung volumes, airway obstruction and diff ...Unit
qualityAn essential or distinctive characteristic, property, or attribute.NounAttribute, Variable
QUAlity aware VIsualisation for the Global Earth Observation system of systems (GeoViQua)
quality of life measureA tool to assess an individual's subjective feelings concerning his/her own health-usually contains ...Unit
rainwater harvestingRainwater harvesting is a water supply strategy applied in areas where there are periodic shortages ...Combined
ReferenceCan be: a person to whom inquiries as to character or ability can be made; a statement of the qual ...NounAttribute
relationIn database context, a relation is a compilation of entities that have a common set of attributes.UR ...NounGlossary
relative humiditythe amount of water vapor contained in air or other media measured relative to the maximum amount of ...CombinedKeyword, Variable
relative sea levelSynonym for local sea level.CombinedVariableUnit
remote sensingThe gathering and recording of information about the earth's surface by methods which do not involve ...AdjectiveAttribute, Keyword
RemovalRemoval from environmentNounUnit
renewable energy
requirementSpecification of the characteristics of an observation or a product related to a property of the Ear ...NounGlossary
reservoir stageThis term refers to the height of the water in the reservoir. It is a critical variable in determin ...NounVariableUnit
reservoir storageThe (time-dependent) amount of water stored in a reservoir.NounVariableUnit
ResolutionThe term is used as an attribute refers to the capability of making distinguishable the individual p ...NounAttribute
respiratory allergic diseaseeg allergic asthma ,allergic rhinoconjunctivitis.Immune-mediated reactions occurring in the respira ...NounKeywordUnit
respiratory diseaseAny disease of the respiratory system including infectious or allergic diseases, with disease durati ...NounKeyword
return periodThis term refers to the average length of time that elapses between the occurrence of events of a sp ...NounUnit
Rift valley fever (RVF)Rift Valley Fever is a viral zoonosis (affects primarily domestic livestock, but can be passed to hu ...NounKeyword
riskNoun: There are a number of different definitions of risk depending on the application. The widely i ...Multiple
risk managementManagement of risks that might cause disasters in society or to components of society down to the le ...NounKeyword
risk management cycleCycle of risk management with typically the four phases of preparedness/awareness, early warning, re ...Noun
rockslideMovement of a mass of rocks down a slope. See also landslide.NounVariable
Ross River virusRoss River virus (RRV) is a small encapsulated single-strand RNA alphavirus endemic to Australia, Pa ...NounKeyword
RotavirusRotavirus is the most common cause of severe diarrhoea among infants and young children, and is one ...NounKeyword
runoffThe water, derived from precipitation falling on a given area that ultimately reaches stream channel ...NounKeyword, VariableUnit
salinitySalinity is the saltiness or dissolved salt content of a body of water. It is a general term used to ...NounVariableUnit
SalmonellaSalmonella is a genus of rod-shaped, Gram-negative, non-spore forming, predominantly motile enteroba ...NounKeyword
ScatterometerA radar scatterometer is designed to determine the normalized radar cross section (sigma-0) of the s ...
SchistosomiasisSchistosomiasis (also known as bilharzia, bilharziosis or snail fever) is a parasitic disease caused ...NounKeyword
seaThe continuous body of salt water covering most of the earth's surface, especially this body regarde ...Noun
sea ice thicknessSea ice thickness is an important climate-related variable whose determination from satellite measur ...NounVariable
sea levelThe vertical position of the (mean) surface of the ocean with respect to a reference. This reference ...NounKeyword, VariableUnit
sea surfaceUpper surface of a large body of water, including the oceans.Combined
sea surface heightHeight of the sea surface with respect to a reference. If measured from space, usually, sea surface ...CombinedUnit
sea surface temperatureThe general definition of sea surface temperature (SST) is that it is the water temperature at 1 met ...NounVariableUnit
sea water temperaturethe temperature of sea water throughout the water column. The conductivity of the sea water depends ...NounVariableUnit
seasonal pollen allergyan allergic reaction to a trigger that is typically only present for part of a year, such as spring ...Combined
second (s)
sediment budgetSedimentary budgets are used to analyse and describe the different sediment inputs (sources) and out ...NounVariable
seeweedSeaweed is a loose colloquial term encompassing macroscopic, multicellular, eukaryotic benthic marin ...NounVariable
seismicityThe frequency or magnitude of earthquake activity in a given area.NounKeyword, Variable
sensorA devive that detects or measures a physical property and records, indicates, or otherwise responds ...Noun
ShigellosisShigellosis, also known as bacillary dysentery in its most severe manifestation, is a foodborne illn ...NounKeyword
shorelineA boundary line between land and water.NounVariableUnit
skin prick testsa method of assessing specific IgE- mediated sensitisation to an allergen. Performed on forearm or b ...Unit
snowprecipitation composed of white or translucent ice crystals, frequently in complex branched hexagona ...NounKeyword, VariableUnit
social determinants of health (SDOH)The social determinants of health are the conditions in which people are born, grow, live, work and ...Combined
Sociatal Benefit Area
societal sectorHigh-level subdivision of largely disjoint sectors of society. There are two different usages of thi ...NounGlossary
soilSoil is a natural body comprised of solids (minerals and organic matter), liquid, and gases that occ ...NounMedium, Keyword
soil moistureThe moisture content found in soil. Moisture is held in the capillary soil pores. The soil moisture ...NounVariable
soil typeSoils are commonly said to be sandy, loamy or clayey; sandy soils are dominated by sand and fall apa ...NounKeyword, Variable
solar irradianceAmount of solar energy received at the top of the Earth's atmosphere.NounVariableUnit
solar radiationElectromagnetic radiation emitted from the sun's surface.NounVariableUnit
solid EarthThe solid part of the Earth enclosed by the fluid envelope of ocean and atmosphere (including ice).NounMedium
spatial planningterm used mainly in Europe for land use planning focused on balanced regional developmentCombined
spatial variabilityoccurs when a quantity that is measured at different spatial locations exhibits values that differ a ...CombinedKeyword
speciesA species is one of the basic units of biological classification and a taxonomic rank. It is a group ...NounVariableUnit
sporea small single-celled or multi-celled reproductive body produced by many organisms including nonflow ...NounKeyword, Variable
St. Louis encephalitisSt. Louis Encephalitis is a disease caused by the Culex mosquito borne St. Louis Encephalitis virus. ...NounKeyword
standard meteorological variables (MetField)The set of standard meteorological variables includes air temperature, air pressure, relative humidi ...NounVariable
stormA storm is any disturbed state of an astronomical body's atmosphere, especially affecting its surfac ...NounKeyword, Variable
storm surgeA storm surge is a surge in the ocean caused by severe storm. Storm surges normally gain severity in ...NounKeyword, Variable
strainThe change in the form of a body or parts of a body.NounKeyword, Variable
strain rateThe rate with which strain changes over time.NounVariableUnit
streamflowStreamflow, or channel runoff, is the flow of water in streams, rivers, and other channels, and is a ...NounKeyword, VariableUnit
subsidenceSinking or lowering of the ground.Noun
sulfur dioxide (SO2)Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO2. It is released ...NounVariableUnit
surfaceThe outer or the topmost boundary of an object.Noun
surface concentrationConcentration of a substance in soil or air at the surface of the Earth..NounAttributeUnit
surface displacementThe displacement of the solid earth surface. Normally given as a vector with east, north, and up com ...NounVariable
surface roughnessSurface roughness, often shortened to roughness, is a measure of the texture of a surface. It is qua ...NounVariableUnit
surface waterThe water bodies on land stored in rivers, lakes, ponds, reservoirs, swamps, etc.NounMedium, Keyword, Variable
surface waveSurface waves are one of the two main types of seismic waves. Surface waves can only move along the ...NounVariable
suspended sediments (SS)This term refers to the fine sediment particles that are suspended and carried in the water by turbu ...NounKeyword, VariableUnit
symptom scores
SynonymOne of two or more words or expressions of the same language that have the same or nearly the same m ...NounAttribute
synthetic aperture radar (SAR)Synthetic-aperture radar (SAR) is a form of radar whose defining characteristic is its use of relati ...Noun
tableA two-dimensional compilation of information with columns and rows.URR-Comment:In the description of ...NounGlossary
taxonomyThe construction of a concept classification scheme by means of disjunctive classes of clustered con ...NounGlossary
temperatureTemperature is a measurement of the average kinetic energy of molecules in an object or system and c ...NounKeyword, VariableUnit
Terrestrial Ecosystem Health IndexMeasures of terrestrial ecosystems that are indicative of the health of those ecosystems.NounVariable
terrorismThe use of violence and intimidation in the pursuit of political aims.NounVariable
thesaurusControlled vocabulary including equivalent terms interrelations and rules of application. (ISO 5127: ...NounGlossary
thunderstormA transient, sometimes violent storm of thunder and lightning, often accompanied by rain and sometim ...Variable
thunderstorm and asthmaPeople with asthma are more likely to have an attack during thunderstorms and now scientists know wh ...Variable
thunderstorm predictionthe process of predicting thunderstormNounKeyword
thunderstorm probabilityPropability of occurence of thuderstorms in a given time interval and location.CombinedVariable
tidal zoneThe part of the coastal zone that is affected by the changes in sea level caused by ocean tides.NounMedium
tide gaugeAn instrument for determining the height of the tides. It measures the state of the tide continuousl ...Noun
topographyAs an EOP, "topography" is often used synonymous with relief and elevation, particularly in Northern ...NounVariableUnit
total electron content (TEC)NounVariable
toxic wasteA waste product that has components that poison body cells and hence do damage to human health. Tox ...NounVariable
ToxoplasmosisToxoplasmosis is a parasitic disease caused by the protozoan Toxoplasma gondii. The parasite infects ...NounKeyword
TrachomaTrachoma is an infectious eye disease, and the leading cause of the world's infectious blindness. Gl ...NounKeyword
transboundary aquiferA transboundary aquifer is an aquifer or aquifer system which is hydraulically connected across nati ...NounAttribute, Keyword
transportThe movement of particulates (bioaerosols or other particulates in the atmosphere or other fluid med ...NounAttributeUnit
transportationThe action of transporting someone or something or the process of being transported. A system or mea ...NounVariable
troposphereThe lowest atmospheric layer, with a total height of about 18 kilometres at the equator and about 6 ...NounMedium
tsunamiRapidly propagating waves initiated by rapid displacements of water masses, for example, by earthqua ...NounKeyword, Variable
TyphoidTyphoid fever, also known as typhoid,[1] is a common worldwide illness, transmitted by the ingestion ...NounKeyword
user needNeed in terms of information required for a user purpose such as decision making.CombinedKeyword
user requirementIs often used interchangably with user needs. However, it is distinct from observation requirement.Combined
user typeA generic type of users of products or information. Entries in User Types describe user types to a c ...NounGlossary
VariableA quantity that may assume any one of a set of values. As an attribute, a variable is a quantity th ...NounAttribute
velocityVelocity is a vector measurement of the rate and direction of motion or, in other terms, the rate an ...NounVariable
visible/near-IR WavelengthsA wavelength is the spatial period of a wave. The distance over wich the wave shape repeats. infrare ...NounVariable
volatile organic compound (VOC)Ambient mass concentration of Volatile Organic Compounds (ug/m3. Volatile organic compounds are a l ...NounVariableUnit
volcanic eruptionSmoke, ash, and lava flow from a volcano.Combined
vulnerabilityvulnerability is the degree to which a system is susceptable to, and unable to cope with, adverse co ...NounVariable
warA state of armed conflict between different nations or states or different groups within a nation or ...NounVariable
waterA clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life an ...Medium
water allocationWater allocation .... is the amount of water used for specific purposes or for several purposed over ...NounAttribute, KeywordUnit
water budgetA water budget is the amount of water entering, stored within, and leaving a watershed, and it is al ...NounKeyword, VariableUnit
water footprintThe water used to produce goods and service consumed by an individual, business or a nation over a p ...NounVariableUnit
water tablethe surface defined by the upper limit of the zone of saturation, or the surface of unconfined groun ...
water useWater use is the amount of water used for specific purposes or for several purposed over a specified ...NounVariableUnit
watershedThe concept of a watershed is basic to all hydrologic designs. Since large watersheds are made up of ...Noun
watershed delineationThe process of defining the boundaries of a watershed.NounVariable
watershed_sizeThe area encompassed by a particular body of water's drainage basin.NounAttribute, Geographical AreaUnit, Dimension
Watt per square meter (W/m^2)Watt per square meter is the unit for energy received at a surface, e.g. by electromagnetic radiatio ...Noun
weatherThe state of the atmosphere at a given time and place, with respect to variables such as temperature ...Noun
weather forecast modelweather forecast model are mathematical models developed by meteorological services and are extremel ...NounKeyword, VariableUnit
weather forecastingWeather forecasting is the application of science and technology to predict the state of the atmosph ...NounKeyword
web servicesAn application programming interface (API) or Web API that is accessed via Hypertext Transfer Protoc ...Keyword
West Nile virusWest Nile virus (WNV) is a virus of the family Flaviviridae. Part of the Japanese encephalitis (JE) ...NounKeyword
wet depositionThe processes of deposition (of spores and pollen) by rainout or washout.Combined
wetlandA wetland is an area where the soil is completely saturated with water. This class includes swamps, ...NounGlossary, VariableUnit
wildland fireUncontrolled natural or anthropogenic burning of forests or other large areas of land.Combined
windWind is simply air in motion. It is caused by the uneven heating of the Earth's surface by the sun. ...NounVariableUnit
wind direction
wind persistence
wind speedWind speed is the speed of wind, the movement of air or other gases in an atmosphere. It is a scalar ...Variable
wind typeIn meteorology, winds are often referred to according to their strength, and direction from which th ...NounVariable
Year (y)Time unit: ~365.25 days; ~8766hNoun
Yellow feverYellow fever is an acute viral hemorrhagic disease. The virus is part of the Flaviviridae family.The ...Keyword
zoophilous plantanimal pollinated plant, including enthomophilous plants in the case of insect pollinated plantCombinedAttribute