| Term |
Description |
Type |
Is ... |
Has ... |
| absolute humidity | The amount of water vapor contained in air or other media. Normally measured in kg/m**3. | Noun | Variable | Unit |
| academic | Adjective: Belonging or relating to a place of learning, especially a college, university, or academ ... | Multiple | | |
| accumulated, 24 hours | This attribute indicates that the daily accumulated value of the quantity is required. | Combined | Attribute | |
| accumulated, 3 hours | This attribute indicates that the value of the parameter accumulated over three hours is required. | Combined | Attribute | |
| accumulated, annual | Indicates that the value of a parameter accumulated over a full year is required. | Combined | Attribute | |
| Accuracy | The conformity to truth or to a standard or model.
The degree of conformity of a measure to a stand ... | Noun | Attribute | |
| 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 ... | Noun | Keyword | |
| adjuvant | Substance acting as immune/allergic response enhancer. Also a pharmacological agent added to a drug ... | Noun | | |
| aerial photography | Aerial photography is the taking of photographs of the ground from an elevated position. The term us ... | Combined | | |
| aeroallergen | Any of various airborne substances, such as pollen or spores, that can cause an allergic response. | Noun | Keyword, Variable | Unit |
| aeroallergen-carrying particle | Particle that carries other substances that are aeroallergens. | Combined | | |
| aerobiology | Aerobiology studies the passive transport of microorganisms and biological particulate matter throug ... | Noun | Keyword | |
| aerosol | An aerosol can be defined as a dispersion of solid and liquid particles suspended in gas. Atmospheri ... | Noun | Variable | |
| Aerosol absorption optical depth (column) | | Noun | Variable | Unit |
| Aerosol effective radius (profile) | Vertical profile of the size distribution of aerosol, assimilated to spheres of the same volume. | Noun | Variable | Unit |
| African dust | Dust particles transported around world from the African continent, particularly the Sahara/sahel re ... | Noun | | |
| African Trypanosomiasis | African trypanosomiasis, sleeping sickness, African lethargy, or Congo trypanosomiasis is a parasiti ... | Noun | Keyword | |
| agriculture | Agriculture (also called farming or husbandry) is the cultivation of animals, plants, fungi and othe ... | Noun | Keyword, Variable | |
| air | Mixture of gases forming the atmosphere surrounding the Earth. | Noun | Medium | |
| air pollution | Gaseous, liquid, or solid substances which (when present in sufficient concentration, for a sufficie ... | Noun | Keyword, Variable | Unit |
| Air Pollution Index (API) | Index of air quality. See also air quality for other measures of air quality. | Noun | Variable, Index | |
| air pressure | Physical property that express the pressure of air at a given point in the atmosphere. | Noun | Keyword, Variable | Unit |
| air quality (AQ) | Air quality is defined as a measure of the condition of air relative to the requirements of one or m ... | Noun | Keyword | |
| Air Quality Index (AQI) | Index of air quality. See also air quality for other measures of air quality. | Noun | Variable, Index | |
| air sea co2 flux | The exchange of CO2 over the air-sea interface.The air-sea CO2 flux is a key inter-reservoir exchang ... | Noun | Variable | |
| air temperature | Physical property that express the temperature of air. | Noun | EV, Variable | Unit |
| airborne pollen | Pollen carried by or in the air. | Noun | Variable | Unit |
| algae | Algae are simple living organisms that carry out photosynthesis using sunlight as an energy source t ... | | | |
| allergen | A substance that triggers an allergic reaction in people who are sensitive to it. Examples include p ... | Noun | Keyword, Variable | Unit |
| allergen challenge | The administration of an antigen or allergen to a person who has been previously exposed to the anti ... | Noun | | |
| allergen concentration | Concentration of allergens, normally in air. | Noun | Variable | |
| allergen dispersion | The process that disperses allergens in the environment and can be influenced by, e.g., weather cond ... | Noun | Variable | |
| allergic asthma | Asthma is an inflammatory disorder of the airways. Symptoms consist of episodes of wheezing, shortne ... | Combined | Keyword | |
| allergic disease | A disease caused by a hypersensitivity reaction initiated by specific immune mechanisms | Noun | Keyword | |
| allergic reaction | Hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity. | Noun | Keyword | |
| allergic rhinitis | Allergic rhinitis is nasal inflammation producing symptoms, mostly in the nose and eyes, and occurri ... | Noun | Keyword | |
| allergy potency | Allergy potency is the capacity of pollen to produce allergens. It is an exposure parameter. | Noun | | |
| allergy risk | Allergy risk is a health impact parameter related to allergen exposure. | Noun | | |
| altimeter | An 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 ... | Noun | | Unit |
| Amoebiasis | Amoebiasis, or Amebiasis refers to infection caused by the amoeba Entamoeba histolytica. The term En ... | Noun | Keyword | |
| amount | In the URR, the amount is the aggregate of an Earth observation parameter over a certain time or spa ... | Noun | Attribute | |
| ampre (A) | electric current | | | |
| anedromous fish | Anedromous fish hatch in freshwater, grow to adulthood in the ocean and returns to streams and river ... | Noun | | |
| anemophilous plant | A wind pollinated plant. | Combined | | |
| anthropogenic | Originating from human activities; made or modified by humans. | Adjective | | |
| application | A process or activity depending directly or indirectly on Earth observations and/or producing inform ... | Noun | Glossary | |
| aquaculture | Aquaculture, also known as aquafarming, is the farming of aquatic organisms such as fish, crustacean ... | Noun | Variable | |
| aquatic ecosystem health index | The Aquatic Ecosystem Health Index is a complex index mainly used for air quality-relevant evaluatio ... | Noun | Variable | |
| aquifer | aquifer: a geologic formation that transmits water in sufficient quantity to support wells and spri ... | Noun | Medium, Keyword | Unit |
| Area | Size of a (two-dimensional) object, such as a room, building, lake, city, country, the ocean. | Noun | Attribute | Unit |
| area (m2) | the two-dimensional spatial coverage of a phenomenon | Noun | | |
| Ascariasis | Ascariasis is a human disease caused by the parasitic roundworm Ascaris lumbricoides. Perhaps as man ... | Noun | Keyword | |
| ascospore | Sexual spore produced by fungi in the Phylum (Division) Ascomycota, often called ascomycetes. Ascosp ... | Noun | Keyword, Variable | |
| asset | An asset is a resource with economic value that an individual, corporation or country owns or contro ... | Noun | Variable | Unit |
| atmosphere | The gaseous mass or envelope surrounding a celestial body, especially the one surrounding the earth, ... | Noun | Medium | |
| attribute | In connection with a database entry, the term attribute is used to denote one of the characteristics ... | Noun | Glossary | |
| avalanche | Violent tumbling and sliding of snow down a mountain or other slope. | Noun | Medium, Variable | |
| Avian influenza | Avian influenza, sometimes avian flu, and commonly bird flu, refers to "influenza caused by viruses ... | Noun | Keyword | |
| aviation | The operation of aircrafts. Also the design, development, and production of aircrafts. | Noun | Keyword | |
| back-trajectory analysis | Determination of the location of a pollutant emission source or pollen emission source by means of r ... | Noun | | |
| Barmah Forest virus | Barmah Forest virus is a virus currently found only in Australia. According to a Queensland Public H ... | Noun | | |
| basidiospore | Sexual spore produced by fungi in the Phylum (Division) Basidiomycota, which are often called basidi ... | Noun | Variable | |
| bathymetry | Bathymetry is the study of underwater depth of lake or ocean floors. The term is often used to denot ... | Noun | Variable | Unit |
| Biochemical Oxygen Demand (BOD) | The Biochemical Oxygen Demand (BOD) measures the amount of organic pollution is in the water on the ... | Noun | EV, Variable | Unit |
| biogeochemical assessment | The assessment of the cycling of substances or chemical elements or molecules as they move through b ... | Combined | | |
| blue water | Blue water includes the visible water that is seen in lakes and rivers. When precipitation falls on ... | | Attribute | Unit |
| Bluetongue | Bluetongue disease or catarrhal fever is a non-contagious, non-zoonotic, insect-borne, viral disease ... | Noun | | |
| body waves | Body waves are one of the two main types of seismic waves.Body waves can travel through the earth's ... | Noun | Variable | |
| Brucellosis | Brucellosis, also called Bang's disease, Gibraltar fever, Malta fever, Maltese fever, Mediterranean ... | Noun | | |
| Bubonic plague | Bubonic plague is the best known manifestation of the plague, caused by the Gram-negative bacterium ... | Noun | | |
| building code | A series of ordinances enacted by a state or local governmental entity, establishing minimum require ... | Noun | | |
| building codes | A series of ordinances enacted by a tate or local governmental entity, establishing minimum requirem ... | Noun | | |
| buoy | An anchored float serving as a navigation mark, to show reefs or other hazards, or for mooring. | Noun | | |
| burden | Something that is carried; something that is emotionally difficult to bear; a source of great worry ... | Noun | | Unit |
| candela (cd) | luminous intensity | | | |
| carbon dioxide (CO2) | Carbon dioxide (chemical formula CO2) is a naturally occurring chemical compound composed of two oxy ... | Noun | Variable | |
| catchment | Area around a water body for which water runs to that water body. | Noun | Attribute, Variable | |
| category | A broad facet, primary division of a special classification system or of a main class of a general o ... | Noun | Glossary | |
| cells per milliliter (cells/ml) | | | | |
| Chagas disease | Chagas disease, also called American trypanosomiasis, is a tropical parasitic disease caused by the ... | Noun | | |
| chemical composition | The nature and proportions of the elements comprising a chemical compound. The combination of materi ... | Combined | Attribute | Unit |
| chemical composition of PM2.5 | Ambient mass concentration of PM2.5 particulate matter composition, less than 2.5 µm in diameter (u ... | Noun | Variable | Unit |
| chemical composition of precipitation | Concentration or deposition of chemical species in precipitation (g/m2,year). Questions: What chemic ... | Noun | Variable | Unit |
| chemical transformation (ChemTrans) | A chemical reaction that transforms some substances into one or more other substances. | Combined | Attribute | |
| Chikungunya | Chikungunya virus is an insect-borne virus, of the genus Alphavirus, that is transmitted to humans b ... | Noun | | |
| chilling requirement | The chilling requirement of a fruit is the minimum period of cold weather after which a fruit-bearin ... | Combined | Attribute | Unit |
| chilling unit | Chilling unit in agriculture is a metric of a plant's exposure to chilling temperatures. One chillin ... | Combined | | Unit |
| Cholera | Cholera is a severe infection caused by the bacterium Vibrio cholerae, which primarily affects the s ... | Noun | Variable | |
| chronic obstructive pulmonary disease (COPD) | Chronic obstructive pulmonary disease is one of the most common lung diseases. It makes it difficult ... | Combined | | |
| climate change | Any significant change in measures of climate (such as temperature, precipitation or wind) lasting f ... | Noun | Keyword | |
| climate change impact | Impacts of climate change, such as sea level rise, melting of permafrost, climate induced changes in ... | Combined | Keyword | |
| climate modeling | Numerical modeling of climate variability (and change) due to prescribed or modeled forcing. State-o ... | Combined | Keyword | |
| clinical trial | controlled clinical experimentation conducted to allow safety and efficacy data to be collected for ... | Combined | Keyword | |
| coastal zone | The dynamic nature of the coast makes it difficult to clearly define the coastal zone. Most simply t ... | Noun | Medium, Keyword | |
| COASTLINE_LENGTH | The length of a country's interface with the ocean. | Noun | Attribute | Unit, Dimension |
| column amount | In the URR, the column amount is the aggregate of an Earth observation parameters over a (normally v ... | Noun | Attribute | |
| column concentration (ColCon) | Concentration of a particular species in any matter averaged over a column. | Combined | Attribute | Unit |
| concentration | Concentration is defined as the abundance of a constituent divided by the total volume of a mixture. ... | Adjective | Attribute | |
| creep | The slow movement of material due to stress or other forces. | Noun | | |
| Crimean-congo hemorrhagic fever | Crimean-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. | Noun | Attribute | |
| Cupressaceae | A family of conifers (in the order Coniferales) that is widely distributed. Several species in the f ... | Noun | Keyword | |
| daily mean | Indicates that the daily mean value of the property is required. | Combined | Attribute | |
| damage | Physical harm caused to something in such a way as to impair its value, usefulness, or normal functi ... | Noun | Keyword, Variable | |
| deformation | An alteration of shape, caused by stress or other forces. | Noun | Variable | |
| delta | A delta is a sedimentary deposit at the mouth of a river. Additional sediment is transported to the ... | Noun | Medium | |
| demographics | Demographics are the statistical characteristics of a population. These types of data are used widel ... | Noun | Variable | |
| Dengue fever | Dengue fever and dengue hemorrhagic fever (DHF) are acute febrile diseases which occur in the tropic ... | Noun | | |
| deposition | In the URR context, the act of depositing, especially the laying down of matter by a natural process ... | Noun | Attribute | |
| deposition process | pollen and spores are under dry (impact or gravitational sedimentation) or wet (rainout or washout) ... | Noun | | |
| desalinization | Desalinization is the process of removing dissolved salts form sea water and brakish water to reduc ... | Noun | | |
| Description | A statement or account giving the characteristics of someone or something
As an attribute in a know ... | Noun | Attribute | |
| desertification | Desertification is the process whereby vegetation is lost in an arid or semiarid region leaving the ... | Noun | | |
| detection | Act or process of detecting an event or signal. | Noun | | |
| dew | dew: Water condensed onto grass and other objects near the ground, the temperatures of which have fa ... | Noun | Keyword, Variable | Unit |
| dew harvesting | Dew harvesting is a water supply strategy applied in arid areas where there is insufficient water to ... | Combined | | Unit |
| dictionary | A reference tool containing an alphabetical list of words, with information given for each word, usu ... | Noun | Glossary | |
| diesel exhaust | Particulate matter and gases emitted from power plants and vehicles using diesel fuell. | Noun | Variable | |
| disaster | A disaster is a sudden calamitous event that affects society or environment negatively by bringing g ... | Noun | Keyword | |
| discharge | A flowing out or pouring forth; emission; secretion. rate of discharge for example from pollution so ... | Noun | Variable | Unit |
| displacement | A shift in position of a point or volume element. | Noun | Variable | Unit |
| domestic water use | Domestic water need is the water needed by a human dwelling for the occupants to meet the requiremen ... | Noun | Variable | Unit |
| drifters | A floating boat equiped with drift net. | Noun | | |
| drought | drought: a period of abnormally dry weather sufficiently prolonged for the lack of water to have ser ... | Noun | Keyword | |
| drought index | A number representing net effect of evaporation, transpiration, and precipitation in producing cumul ... | Noun | Variable | |
| dry deposition | The process of pollen and spores deposition by impact or gravitational sedimentation, i.e. without w ... | Combined | | |
| early warning | The act of issuing a warning in a timely manner to allow for appropriate reactions. More specificall ... | Combined | Keyword | |
| Earth observation | Measurements of parameters and variables (e.g., physical, geophysical, chemical, biological, etc.) r ... | Combined | Keyword | |
| Earth observation parameter (EOP) | In the context of the URR, an Earth observation parameter is a quantity that can be observed or quan ... | Noun | Keyword | |
| Earth observation priority | An agreed-upon priority in Earth observation that would result in significant benefits and serve imp ... | Noun | Keyword | |
| Earth surface | Surface of the solid Earth. | Noun | Medium | |
| earthquake | Shaking or vibration of the Earth's crust caused by sudden movements of the Earth's crust due to rel ... | Noun | Keyword, Variable | |
| Ebola | Ebola is the virus Ebolavirus (EBOV), a viral genus, and the disease Ebola hemorrhagic fever (EHF), ... | Noun | Keyword | |
| economic value | This term is used to denote the economic value of a product, estate, or asset. | Noun | Attribute, Variable | |
| ecosystem | An ecosystem is a biological environment consisting of all the organisms living in a particular area ... | Noun | Keyword, Variable | |
| education | The action or process of educating or of being educated; the knowledge and development resulting fro ... | Noun | | |
| educational | Related to education. In the societal sector occupied with education. | Adjective | Keyword | |
| elevation | The height of something above a given or implied reference, for example sea level, reference ellipso ... | Noun | Variable | Unit |
| emission | Release of something by a system into another system. In the case of pollen or spores, they are emit ... | Noun | Attribute, Keyword, Variable | Unit |
| entry | An entry is a full row in a database relation (table).URR-Comment:Examples of entries in the URR are ... | Noun | Glossary | |
| environmental epidemiology | Environmental epidemiology is the branch of public health that deals with environmental conditions a ... | Noun | Keyword | |
| environmental health | Environmental health is a branch of public health concerned with all aspects of the natural and buil ... | Adjective | Keyword | |
| episodic event | Episodic events are considered to be events that occur at a distant point in time - either with sudd ... | Noun | Variable | |
| eruption | The 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 ... | Combined | Keyword | |
| essential variable (EV) | Essential variables are Earth observation parameters that are consider essential and need to be moni ... | Combined | Keyword | |
| estuary | | | | |
| evaporation | evaporation: the process whereby a liquid is changed to the vapour state. In general it refers to t ... | Noun | Keyword, Variable | Unit |
| evapotranspiration (ET) | the total amount of water transferred from the earth to the atmosphere through the processes of evap ... | Noun | Keyword, Variable | Unit |
| exceedance | The event of a parameter exceeding a given threshold value. As earth observation parameter, the dete ... | Noun | Attribute, Variable | |
| Exposure | Exposure | Noun | | Unit |
| extreme | At the egde or outside of the norm. | | | |
| extreme weather | Extreme weather condition associated with violent stroms, hurricances, extreme heat, droughts. | Combined | | |
| faecal indicators | A group of organisms that indicates the presence of faecal contamination, such as the bacterial grou ... | Noun | Variable | |
| Fasciolosis | Fasciolosis also known as Fascioliasis, Fasciolasis, distomatosis and liver rot, is an important hel ... | Noun | Keyword | |
| fault | A fracture in the continuity of a rock formation caused by a shifting or dislodging of the earth's c ... | Noun | Variable | |
| fire | Combustion or burning, in which substances combine chemically with oxygen from the air and typically ... | Noun | Variable | |
| flashflood | A sudden flood of great volume, usually caused by a heavy rain. | Noun | Variable | |
| flood | Inundation of water over land, through heavy rain, overflowing rivers, or other sources. Flooding of ... | Noun | Keyword, Variable | |
| flood control | Flood control refers to the actions taken to reduce the effects of floods. These include raising th ... | Noun | | |
| flood plain | A floodplain is a the broad flat area between the stream channel and the valley wall. This area is ... | Noun | Medium | |
| FLOW_RATE | The volume of water in a body of water that passes a given point per unit time. | Noun | Attribute, Variable | Unit |
| Formaldehyde (HCHO) | Ambient mass concentration of formaldehyde (ug/m3). Formaldehyde, HCHO, is a colorless, gaseous comp ... | Noun | Variable | Unit |
| 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 ... | Noun | Variable | |
| freshwater algae | Algae can grow anywhere because the spores it uses to reproduce can be picked up by the wind and tra ... | Noun | Variable | |
| fungal disease | pathogenic fungi can cause disease in humans or other organisms. The study of pathogenic fungi is re ... | Noun | Keyword, Variable | |
| geodetic | of or relating to or determined by geodesy | Adjective | | |
| geographic information system (GIS) | A geographic information system integrates hardware, software, and data for capturing, managing, ana ... | | | |
| geohazard | A geohazard is a hazard resulting from processes in the solid Earth. | Noun | Keyword, Variable | |
| geoid | | | | |
| geophysics | Geophyscis is the discipline studying the Earth with methods of physics. | Noun | | |
| glacier | a mass of land ice, formed by the recrystallization of the firn, flowing slowly from an accumulation ... | Noun | Keyword, Variable | Unit |
| 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 ... | Noun | Variable | Unit |
| glossary | Terminological dictionary which contains a list of designations from a subject field, together with ... | Noun | Glossary | |
| 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) | | | | |
| gravity | Gravitation, or gravity, is the natural phenomenon by which physical bodies attract each other with ... | Noun | Keyword, Variable | Unit |
| green water | The green water flow component of the water cycle refers to the quantity of precipitation that reach ... | Noun | Attribute | Unit |
| ground motion | The movement of the earth's surface from earthquakes or explosions.Ground motion is produced by wave ... | Noun | Variable | |
| groundwater | Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of ... | Noun | Keyword | |
| groundwater contamination risk | The groundwater contamination risk is an important management indicator for assessing the quality of ... | Noun | Attribute, Keyword | |
| Guinea worm disease | Guinea worm disease (GWD), also called dracunculiasis, is a parasitic infection caused by Dracunculu ... | Noun | Keyword | |
| Hantavirus | Hantaviruses belong to the Bunyaviridae family of viruses. The Bunyaviridae family is divided into 5 ... | Noun | Keyword | |
| hard water | Hard water refers to water that contains large amounts of dissolved minerals, especially calcium and ... | Adjective | Attribute | |
| harmful algae | Toxic algae that can potentially harm humans or animals. | Noun | Variable | |
| hazard | A hazard is a situation which poses a level of threat to life, health, property, or environment. A h ... | Noun | | |
| hazard assessment | A hazard assessment is used as the first step in a process used to assess risk. The result of a haza ... | Noun | | |
| hazard map | A map that illustrates hazards/situation which poses a level of threat to life, health, property, or ... | Noun | | |
| health surveillance | the monitoring (including biological and clinical) of a person in relation to the person's exposure ... | Noun | Keyword | |
| high frequency radar (hf radar) | High frequency radar is used by ocean researchers to measure surface current velocity fields near th ... | Noun | | |
| Hookworm | The hookworm is a parasitic nematode (roundworm) that lives in the small intestine of its host, whic ... | Noun | Keyword | |
| hour (h) | Time unit; 3600 second (SI unit). | Noun | | |
| household | A household is a basic unit used in planning for the urban scale and other scales. A household is g ... | Noun | Keyword, Variable | |
| housing | Buildings or other shelters in which people live. A place to live; a dwelling. | Noun | Variable | |
| Human Health Measures | Measures that are indicative of human health | Noun | Variable | |
| humidity | the amount of water vapor in the air. This is an important parameter for living organisms. Humidity ... | Noun | Keyword, Variable | Unit |
| hurricane | A severe tropical cyclone having winds greater than 64 knots (119 kilometers per hour), originating ... | Noun | Variable | |
| hydrograph | a graphical representation of the stage or discharge at a point on a stream as a function of time. ... | Noun | Medium | |
| hydrology | The scientific study of the properties, distribution, and effects of water on the earth's surface, i ... | Noun | | |
| hygrophilous plants | water pollinated plant | | Attribute | |
| ice | Water frozen solid. Also other substances resembling frozen water. | Noun | | |
| ice cover | The area of sea-ice cover is often defined in two ways, i.e., sea-ice “extent” and sea-ice “ar ... | Noun | Variable | |
| ice-jam flood | This is the type of flood caused by the accumulation of broken river ice that is caught in a constr ... | Noun | Attribute, Variable | Unit |
| Identification (ID) | In most cases, this term refers to evidence of identity. It also refers to an act of identifying som ... | Noun | Attribute | |
| immunoglobulin E (IgE) | Immunoglobulin E (IgE) antibodies are found in the lungs, skin, and mucous membranes. They cause the ... | | | |
| index and model organisms | A group/or species indicative of pathogen presence and behaviour respectively, such as E. coli as an ... | | | |
| industrial water use | Industrial water refers to the water used in industrial processes in order to produce a good or serv ... | Noun | Variable | Unit |
| infectious disease | An infectious disease is a clinically evident disease resulting from the presence of pathogenic micr ... | Noun | Keyword | |
| Influenza | Influenza, commonly referred to as the flu, is an infectious disease caused by RNA viruses of the fa ... | Noun | Keyword | |
| information technology (IT) | Information technology, as defined by the Information Technology Association of America (ITAA), is t ... | | | |
| insolation | Insolation is the amount of solar energy that reaches the Earth's surface. | Noun | Variable | Unit |
| Integrated Assessment Model (IAM) | Integrated Assessment Model are computer models that analyse a broad range of data – e.g. physical ... | Combined | Glossary Term | |
| integrated coastal zone management (ICZM) | Integrated coastal zone management (ICZM) or Integrated coastal management (ICM) is a process for th ... | Noun | Keyword | |
| integrated tropospheric water content (ITWC) | ITWC is the water content in the troposphere integrated vertically from the Earth surface to the top ... | Noun | Variable | |
| interferometer | Any optical, acoustic, or microwave instruments that uses interference phenomena (patterns or fringe ... | Noun | | |
| interferometric | Relating to interferometers or interferometry. | Adjective | | |
| interoperability | Ability of information systems to share information based on open standards. | Noun | Keyword | Unit |
| inundation | The rising of a body of water and its overflowing onto normally dry land. | Noun | Keyword, Variable | |
| invasive plant | non-indigenous species successfully spreading in new territories | Combined | Keyword, Variable | Unit |
| invasive species | Invasive species are non-native species including plants, animals and microbes that are introduced i ... | Noun | Variable | |
| inventory | A list of elements in a certain group or group of groups. | Noun | Attribute | |
| irrigation water | Irrigation water is the amount of water that a farmer adds to his soil to irrigate this/her crop. T ... | Noun | Variable | Unit |
| Japanese encephalitis | Japanese encephalitis, previously known as Japanese B encephalitis to distinguish it from von Econom ... | Noun | Keyword | |
| 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 virus | Kunjin virus (KUNV) is a zoonotic virus of the family Flaviviridae and the genus Flavivirus. It is a ... | Noun | Keyword | |
| label | An item used to identify something or someone. | Noun | Variable | |
| lahar | A rapid landslide or mudflow of wet volcanic fragments on the flanks of a volcano; ususally containi ... | Noun | Variable | |
| land cover | Physical material at the surface of the earth, such as vegetation, bare soil, rock, sand, and water. ... | Noun | Medium, Keyword, Variable | |
| land use | Land use human use of land. Land use involves the management and modification of natural environment ... | Noun | Variable | |
| land use planning | the scientific, aesthetic, and orderly disposition of land, resources, facilities and services with ... | Combined | Keyword | |
| landslide | Landslide – refers to the downhill movement of a significant amount of rock and soil (also referre ... | Noun | Keyword, Variable | |
| latency | The time it takes between a specific event and the arrival of information about this event at a dest ... | Noun | | Unit |
| Leaf Area Index (LAI) | The LAI is a structural measures of plant canopies. The LAI relates to the Fraction of Absorbed Phot ... | Noun | Variable | |
| Leishmaniasis | Leishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is ... | Noun | Keyword | |
| Length | the longer or longest dimension of an object, or a measured distance or dimension; or duration or ex ... | Noun | Attribute | Unit |
| Leptospirosis | Leptospirosis (also known as Weil's disease, Weil's syndrome, canicola fever, canefield fever, nanuk ... | Noun | Keyword | |
| link | A connection between a source and a target.URR-Comment:In the URR, links are published in the respec ... | Noun | Glossary | |
| link degree | URR-Comment:This term is used in the context of URR analyses. link degree: indicates how many levels ... | Noun | Glossary | |
| link level | URR-Comment:This term is used in the context of URR analyses. The link level indicates how many one- ... | Noun | Glossary | |
| Loa loa filariasis | Loa loa filariasis (also known as loiasis, loaiasis, Calabar swellings, Fugitive swelling, Tropical ... | Noun | Keyword | |
| local sea level (LSL) | Local height of the ocean surface above the surface of the solid Earth. The term normally implies th ... | Noun | Variable | Unit |
| long term trends | Trends whose effects are observed to exist over a lengthy period of time. | Noun | | |
| Lyme disease | Lyme disease, or lyme borreliosis, is an emerging infectious disease caused by at least three specie ... | Noun | Keyword | |
| Lymphatic filariasis | Lymphatic filariasis (Philariasis) is a parasitic disease and is considered an infectious tropical d ... | Noun | Keyword | |
| malaria | An infectious disease characterized by cycles of chills, fever, and sweating, caused by a protozoan ... | Noun | Keyword | |
| man-made lakes | Manmade lakes are reservoirs created by man usually through the construction of a dam that creates a ... | Noun | Medium, Variable | |
| maximum | The upper value of a variable. | Noun | Attribute | |
| mean sea level (MSL) | Temporally averaged height of the sea surface above a reference after the effect of waves, tides, an ... | Noun | Variable | Unit |
| Medium | Here, it means a surrounding or enveloping substance.
More specifically, a medium in the ontology i ... | Noun | Attribute | |
| meningitis | Meningitis is a serious inflammation of the meninges, the thin, membranous covering of the brain and ... | Noun | Keyword | |
| Meningococcal meningitis | Meningococcal disease describes infections caused by the bacterium Neisseria meningitidis (also term ... | Noun | Keyword | |
| mercury concentration | Mercury is a heavy metal that is naturally occurring in various ores and is used as an industrial ch ... | Noun | EV, Keyword, Variable | Unit |
| meteorological factor | Data pertaining to the atmosphere, such as wind, temperature, wind speed/direction and other phenome ... | Noun | Keyword, Variable | Unit |
| 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) | | | | |
| MetField | | | | |
| microbial indicators | Microbial indicators also called process indicators are a group of organisms that demonstrates the e ... | Noun | Variable | |
| Millimeter (mm) | | Noun | | |
| minimum | The lower value of a variable. | Noun | Attribute | |
| mole (mol) | | | | |
| moles per litre | This is a unit which defines the amount of substance that is in solution. It is given as the number ... | Noun | Attribute | |
| monthly mean | Indicates that the monthly mean of a quantity is required. | Combined | Attribute | |
| Murray Valley encephalitis | Murray Valley encephalitis virus (MVEV) is a zoonotic flavivirus endemic to northern Australia and P ... | Noun | Keyword | |
| Name | A word or phrase that constitutes the distinctive designation of a person or thing.
As an attribute ... | Noun | Attribute | |
| NAME | A term used for identification. | Noun | Attribute, Glossary Term | |
| natural | Is used in opposition to anthropogenic; not made or significantly modified by humans. | Adjective | | |
| natural hazard | | Combined | | |
| 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 ... | Noun | Variable | Unit |
| nitrogen oxides (NOx) | Ambient mass concentration of nitrogen oxide (ug/m3). Nitrogen oxides form when fuel burns at high ... | Noun | Variable | Unit |
| non governmental organization (NGO) | Organization that is not part of any government; a key distinction is between not-for-profit groups ... | | | |
| non-governmental organization | | Combined | | |
| Normalized Deviation Pond Index (NDPI) | Index of normalized deviation of free water extent within ponds. | Noun | Keyword, Variable | |
| Normalized Deviation Turbidity Index (NDTI) | Normalized deviation of turbid water extent within ponds. | Noun | Keyword, Variable | |
| Normalized Difference Vegetation Index (NDVI) | The Normalized Difference Vegetation Index (NDVI) is a simple graphical indicator that can be used t ... | Noun | Variable | |
| numerical weather prediction (NWP) | Weather prediction based on the output of a numerical model of the weather system. Numerical Weather ... | Combined | | |
| nutrient | A substance that provides nourishment essential for growth and the maintenance of life. | Noun | Variable | |
| nutrient budget | A nutrient budget is a measure of the nutrient balance of a farming operation. It takes into account ... | Noun | Variable | |
| observation requirement | A requirement for specific Earth observations of a parameter or variable, normally specifiying resol ... | Combined | Keyword | |
| observational study | A type of study in which individuals are observed or certain outcomes are measured. No attempt is ma ... | | | |
| ocean | | | Medium | |
| ocean currents | An ocean current is a continuous, directed movement of ocean water generated by the forces acting up ... | Noun | Variable | |
| Onchocerciasis | Onchocerciasis, also known as river blindness and Robles' Disease, is a parasitic disease caused by ... | Noun | Keyword | |
| ontology | A reference tool containing an explicit formal specification of how to represent the objects, concep ... | Noun | Glossary, Keyword | |
| oxygen | A colorless, odorless, gaseous element constituting about one-fifth of the volume of the atmosphere ... | Noun | Variable | |
| ozone (O3) | Ambient mass concentration of ozone (ug/m3). Ozone is a gas that occurs both in the Earth's upper ... | Noun | Variable | Unit |
| particulate dissolved matter | Particulates, also known as particulate matter (PM), fine particles, and soot – are tiny subdivisi ... | Noun | Variable | Unit |
| particulate matter (PM) | Particulates – also known as particulate matter (PM), fine particles, and soot – are tiny subdiv ... | Noun | Keyword, 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 ... | Noun | | Unit |
| 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 ... | Noun | | Unit |
| pascal (Pa) | The pascal is the SI derived unit of pressure, internal pressure, stress, Young's modulus and tensil ... | Noun | | |
| pathogen | A pathogen or infectious agent — colloquially, a germ — is a microbe or microorganism such as a ... | Noun | Variable | |
| people | Persons, generally; an indefinite number of men and women; folks; population, or part of population; | Noun | Variable | |
| per second (s^(-1)) | A unit used e.g. for strain rates. | Combined | | |
| percipitation | | Noun | Keyword, Variable | Unit |
| permeability | The ability of a substance to allow another substance to pass through it, especially the ability of ... | Noun | Variable | |
| pH | In chemistry, pH is a measure of the acidity or basicity of an aqueous solution | Noun | Variable | |
| pH (Hydrogen Ion Concentration) (pH) | The pH measures the effective acidity or alkalinity of a solution, It is expressed as the negative l ... | Noun | Attribute | Unit |
| phenologic | adjective to phenology. | Adjective | | |
| phenology | the scientific study of cyclical biological events, such as flowering, breeding, and migration, in r ... | Noun | Keyword, Variable | Unit |
| phenophases | identificable phenological sections to monitor the development of the life cycle of organisms | Noun | Variable | Unit |
| physics | Physcis is the scientific discipline studying the world with physical methods. | Noun | | |
| phytoplankton | Are the autotropic component of the plankton community. They are photosynthesizing microscopic organ ... | Noun | Variable | |
| pigment | A pigment is a substance occurring in plant or animal tissue and producing a characteristic colour, ... | Noun | Variable | |
| pollen | the fine powder-like material consisting of pollen grains that is produced by the anthers of seed pl ... | Noun | Keyword | |
| pollen callendar | A table or chart on which variations in airborne levels of pollen from allergenic plants are plotted ... | Noun | Keyword | |
| pollen dispersion | important natural phenomenon describing the mass distribution of airborne pollen; understanding poll ... | Combined | Variable | |
| pollen emission | in higher plants pollination occurs due to opening of the anthers. Once anthers mature, dehydration ... | Combined | Keyword, Variable | Unit |
| pollen index | sum of daily average of pollen grains per cubic meter of air along the season (Seasonal Pollen Index ... | Combined | Keyword, Variable | Unit |
| pollen production | | | | |
| pollen productivity | pollen refers to the amount or quantity of allergenic material produced by different plants in diffe ... | | Variable | |
| pollen season | Time between on-set (start date) and end of pollination for a particular taxon | | Keyword, Variable | Unit |
| pollen transport | the movement of pollen in space due to meteorological conditions, mainly wind speed and direction. | Noun | Variable | |
| pollination | pollen transfers from male to female reproductive organs to fertilization. The pollen can be transfe ... | Noun | Keyword, Variable | Unit |
| pollinosis | seasonal allergy in response of pollen (allergic rhinitis, conjunctivitis or asthma) | Noun | Keyword | Unit |
| pollutant | A 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. | Noun | Variable | |
| pollutants | A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.Thre ... | Noun | Variable | |
| pollution | The act or process of polluting or the state of being polluted, especially the contamination of soil ... | Noun | | |
| pollution event | Unhealthy levels of pollutants from a variety of potential natural and anthropogenic sources. | Noun | | |
| POPULATION | The quantity of individuals living within a certain area; a particular section, group, or type of pe ... | Noun | Attribute | Unit |
| population | A population is all the organisms that both belong to the same group or species and live in the same ... | Noun | Attribute, Medium, Keyword, Variable, GeoArea, Unit | |
| population density | The number of people living per unit of an area (e.g. per square mile); the number of people relativ ... | Noun | Variable | |
| precipitation | Any form of water, such as rain, snow, sleet, or hail, that falls to the Earth's surface. Also the p ... | Noun | Keyword, Variable | Unit |
| prevalence of allergic disease | Epidemiological term: the number of all new and old cases of allergic disease (e.g., asthma, rhiniti ... | | | |
| preventive health measure | the 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 ... | Noun | Attribute, Variable | |
| public health | Public health is the science and art of preventing disease, prolonging life and promoting health thr ... | Noun | Keyword | |
| pulmonary function tests | objective measures and monitoring of ventilatory function, lung volumes, airway obstruction and diff ... | | | Unit |
| quality | An essential or distinctive characteristic, property, or attribute. | Noun | Attribute, Variable | |
| QUAlity aware VIsualisation for the Global Earth Observation system of systems (GeoViQua) | | | | |
| quality of life measure | A tool to assess an individual's subjective feelings concerning his/her own health-usually contains ... | | | Unit |
| rainwater harvesting | Rainwater harvesting is a water supply strategy applied in areas where there are periodic shortages ... | Combined | | |
| Reference | Can be:
a person to whom inquiries as to character or ability can be made;
a statement of the qual ... | Noun | Attribute | |
| relation | In database context, a relation is a compilation of entities that have a common set of attributes.UR ... | Noun | Glossary | |
| relative humidity | the amount of water vapor contained in air or other media measured relative to the maximum amount of ... | Combined | Keyword, Variable | |
| relative sea level | Synonym for local sea level. | Combined | Variable | Unit |
| remote sensing | The gathering and recording of information about the earth's surface by methods which do not involve ... | Adjective | Attribute, Keyword | |
| Removal | Removal from environment | Noun | | Unit |
| renewable energy | | | | |
| requirement | Specification of the characteristics of an observation or a product related to a property of the Ear ... | Noun | Glossary | |
| reservoir stage | This term refers to the height of the water in the reservoir. It is a critical variable in determin ... | Noun | Variable | Unit |
| reservoir storage | The (time-dependent) amount of water stored in a reservoir. | Noun | Variable | Unit |
| Resolution | The term is used as an attribute refers to the capability of making distinguishable the individual p ... | Noun | Attribute | |
| respiratory allergic disease | eg allergic asthma ,allergic rhinoconjunctivitis.Immune-mediated reactions occurring in the respira ... | Noun | Keyword | Unit |
| respiratory disease | Any disease of the respiratory system including infectious or allergic diseases, with disease durati ... | Noun | Keyword | |
| return period | This term refers to the average length of time that elapses between the occurrence of events of a sp ... | Noun | | Unit |
| Rift valley fever (RVF) | Rift Valley Fever is a viral zoonosis (affects primarily domestic livestock, but can be passed to hu ... | Noun | Keyword | |
| risk | Noun: There are a number of different definitions of risk depending on the application. The widely i ... | Multiple | | |
| risk management | Management of risks that might cause disasters in society or to components of society down to the le ... | Noun | Keyword | |
| risk management cycle | Cycle of risk management with typically the four phases of preparedness/awareness, early warning, re ... | Noun | | |
| rockslide | Movement of a mass of rocks down a slope. See also landslide. | Noun | Variable | |
| Ross River virus | Ross River virus (RRV) is a small encapsulated single-strand RNA alphavirus endemic to Australia, Pa ... | Noun | Keyword | |
| Rotavirus | Rotavirus is the most common cause of severe diarrhoea among infants and young children, and is one ... | Noun | Keyword | |
| runoff | The water, derived from precipitation falling on a given area that ultimately reaches stream channel ... | Noun | Keyword, Variable | Unit |
| salinity | Salinity is the saltiness or dissolved salt content of a body of water. It is a general term used to ... | Noun | Variable | Unit |
| Salmonella | Salmonella is a genus of rod-shaped, Gram-negative, non-spore forming, predominantly motile enteroba ... | Noun | Keyword | |
| satellite | | | | |
| Scatterometer | A radar scatterometer is designed to determine the normalized radar cross section (sigma-0) of the s ... | | | |
| Schistosomiasis | Schistosomiasis (also known as bilharzia, bilharziosis or snail fever) is a parasitic disease caused ... | Noun | Keyword | |
| sea | The continuous body of salt water covering most of the earth's surface, especially this body regarde ... | Noun | | |
| sea ice thickness | Sea ice thickness is an important climate-related variable whose determination from satellite measur ... | Noun | Variable | |
| sea level | The vertical position of the (mean) surface of the ocean with respect to a reference. This reference ... | Noun | Keyword, Variable | Unit |
| sea surface | Upper surface of a large body of water, including the oceans. | Combined | | |
| sea surface height | Height of the sea surface with respect to a reference. If measured from space, usually, sea surface ... | Combined | | Unit |
| sea surface temperature | The general definition of sea surface temperature (SST) is that it is the water temperature at 1 met ... | Noun | Variable | Unit |
| sea water temperature | the temperature of sea water throughout the water column. The conductivity of the sea water depends ... | Noun | Variable | Unit |
| seasonal pollen allergy | an allergic reaction to a trigger that is typically only present for part of a year, such as spring ... | Combined | | |
| second (s) | | | | |
| sediment budget | Sedimentary budgets are used to analyse and describe the different sediment inputs (sources) and out ... | Noun | Variable | |
| seeweed | Seaweed is a loose colloquial term encompassing macroscopic, multicellular, eukaryotic benthic marin ... | Noun | Variable | |
| seismicity | The frequency or magnitude of earthquake activity in a given area. | Noun | Keyword, Variable | |
| sensor | A devive that detects or measures a physical property and records, indicates, or otherwise responds ... | Noun | | |
| Shigellosis | Shigellosis, also known as bacillary dysentery in its most severe manifestation, is a foodborne illn ... | Noun | Keyword | |
| shoreline | A boundary line between land and water. | Noun | Variable | Unit |
| skin prick tests | a method of assessing specific IgE- mediated sensitisation to an allergen. Performed on forearm or b ... | | | Unit |
| snow | precipitation composed of white or translucent ice crystals, frequently in complex branched hexagona ... | Noun | Keyword, Variable | Unit |
| 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 sector | High-level subdivision of largely disjoint sectors of society. There are two different usages of thi ... | Noun | Glossary | |
| soil | Soil is a natural body comprised of solids (minerals and organic matter), liquid, and gases that occ ... | Noun | Medium, Keyword | |
| soil moisture | The moisture content found in soil. Moisture is held in the capillary soil pores. The soil moisture ... | Noun | Variable | |
| soil type | Soils are commonly said to be sandy, loamy or clayey; sandy soils are dominated by sand and fall apa ... | Noun | Keyword, Variable | |
| solar irradiance | Amount of solar energy received at the top of the Earth's atmosphere. | Noun | Variable | Unit |
| solar radiation | Electromagnetic radiation emitted from the sun's surface. | Noun | Variable | Unit |
| solid Earth | The solid part of the Earth enclosed by the fluid envelope of ocean and atmosphere (including ice). | Noun | Medium | |
| spatial planning | term used mainly in Europe for land use planning focused on balanced regional development | Combined | | |
| spatial variability | occurs when a quantity that is measured at different spatial locations exhibits values that differ a ... | Combined | Keyword | |
| species | A species is one of the basic units of biological classification and a taxonomic rank. It is a group ... | Noun | Variable | Unit |
| spore | a small single-celled or multi-celled reproductive body produced by many organisms including nonflow ... | Noun | Keyword, Variable | |
| St. Louis encephalitis | St. Louis Encephalitis is a disease caused by the Culex mosquito borne St. Louis Encephalitis virus. ... | Noun | Keyword | |
| standard meteorological variables (MetField) | The set of standard meteorological variables includes air temperature, air pressure, relative humidi ... | Noun | Variable | |
| storm | A storm is any disturbed state of an astronomical body's atmosphere, especially affecting its surfac ... | Noun | Keyword, Variable | |
| storm surge | A storm surge is a surge in the ocean caused by severe storm. Storm surges normally gain severity in ... | Noun | Keyword, Variable | |
| strain | The change in the form of a body or parts of a body. | Noun | Keyword, Variable | |
| strain rate | The rate with which strain changes over time. | Noun | Variable | Unit |
| streamflow | Streamflow, or channel runoff, is the flow of water in streams, rivers, and other channels, and is a ... | Noun | Keyword, Variable | Unit |
| subsidence | Sinking 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 ... | Noun | Variable | Unit |
| surface | The outer or the topmost boundary of an object. | Noun | | |
| surface concentration | Concentration of a substance in soil or air at the surface of the Earth.. | Noun | Attribute | Unit |
| surface displacement | The displacement of the solid earth surface. Normally given as a vector with east, north, and up com ... | Noun | Variable | |
| surface roughness | Surface roughness, often shortened to roughness, is a measure of the texture of a surface. It is qua ... | Noun | Variable | Unit |
| surface water | The water bodies on land stored in rivers, lakes, ponds, reservoirs, swamps, etc. | Noun | Medium, Keyword, Variable | |
| surface wave | Surface waves are one of the two main types of seismic waves. Surface waves can only move along the ... | Noun | Variable | |
| suspended sediments (SS) | This term refers to the fine sediment particles that are suspended and carried in the water by turbu ... | Noun | Keyword, Variable | Unit |
| symptom scores | | | | |
| Synonym | One of two or more words or expressions of the same language that have the same or nearly the same m ... | Noun | Attribute | |
| synthetic aperture radar (SAR) | Synthetic-aperture radar (SAR) is a form of radar whose defining characteristic is its use of relati ... | Noun | | |
| table | A two-dimensional compilation of information with columns and rows.URR-Comment:In the description of ... | Noun | Glossary | |
| taxonomy | The construction of a concept classification scheme by means of disjunctive classes of clustered con ... | Noun | Glossary | |
| temperature | Temperature is a measurement of the average kinetic energy of molecules in an object or system and c ... | Noun | Keyword, Variable | Unit |
| Terrestrial Ecosystem Health Index | Measures of terrestrial ecosystems that are indicative of the health of those ecosystems. | Noun | Variable | |
| terrorism | The use of violence and intimidation in the pursuit of political aims. | Noun | Variable | |
| thesaurus | Controlled vocabulary including equivalent terms interrelations and rules of application. (ISO 5127: ... | Noun | Glossary | |
| thunderstorm | A transient, sometimes violent storm of thunder and lightning, often accompanied by rain and sometim ... | | Variable | |
| thunderstorm and asthma | People with asthma are more likely to have an attack during thunderstorms and now scientists know wh ... | | Variable | |
| thunderstorm prediction | the process of predicting thunderstorm | Noun | Keyword | |
| thunderstorm probability | Propability of occurence of thuderstorms in a given time interval and location. | Combined | Variable | |
| tidal zone | The part of the coastal zone that is affected by the changes in sea level caused by ocean tides. | Noun | Medium | |
| tide gauge | An instrument for determining the height of the tides. It measures the state of the tide continuousl ... | Noun | | |
| topography | As an EOP, "topography" is often used synonymous with relief and elevation, particularly in Northern ... | Noun | Variable | Unit |
| total electron content (TEC) | | Noun | Variable | |
| toxic waste | A waste product that has components that poison body cells and hence do damage to human health. Tox ... | Noun | Variable | |
| Toxoplasmosis | Toxoplasmosis is a parasitic disease caused by the protozoan Toxoplasma gondii. The parasite infects ... | Noun | Keyword | |
| Trachoma | Trachoma is an infectious eye disease, and the leading cause of the world's infectious blindness. Gl ... | Noun | Keyword | |
| transboundary aquifer | A transboundary aquifer is an aquifer or aquifer system which is hydraulically connected across nati ... | Noun | Attribute, Keyword | |
| transport | The movement of particulates (bioaerosols or other particulates in the atmosphere or other fluid med ... | Noun | Attribute | Unit |
| transportation | The action of transporting someone or something or the process of being transported. A system or mea ... | Noun | Variable | |
| troposphere | The lowest atmospheric layer, with a total height of about 18 kilometres at the equator and about 6 ... | Noun | Medium | |
| tsunami | Rapidly propagating waves initiated by rapid displacements of water masses, for example, by earthqua ... | Noun | Keyword, Variable | |
| Typhoid | Typhoid fever, also known as typhoid,[1] is a common worldwide illness, transmitted by the ingestion ... | Noun | Keyword | |
| user need | Need in terms of information required for a user purpose such as decision making. | Combined | Keyword | |
| user requirement | Is often used interchangably with user needs. However, it is distinct from observation requirement. | Combined | | |
| user type | A generic type of users of products or information. Entries in User Types describe user types to a c ... | Noun | Glossary | |
| Variable | A quantity that may assume any one of a set of values.
As an attribute, a variable is a quantity th ... | Noun | Attribute | |
| velocity | Velocity is a vector measurement of the rate and direction of motion or, in other terms, the rate an ... | Noun | Variable | |
| visible/near-IR Wavelengths | A wavelength is the spatial period of a wave. The distance over wich the wave shape repeats. infrare ... | Noun | Variable | |
| volatile organic compound (VOC) | Ambient mass concentration of Volatile Organic Compounds (ug/m3. Volatile organic compounds are a l ... | Noun | Variable | Unit |
| volcanic eruption | Smoke, ash, and lava flow from a volcano. | Combined | | |
| vulnerability | vulnerability is the degree to which a system is susceptable to, and unable to cope with, adverse co ... | Noun | Variable | |
| war | A state of armed conflict between different nations or states or different groups within a nation or ... | Noun | Variable | |
| water | A clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life an ... | | Medium | |
| water allocation | Water allocation .... is the amount of water used for specific purposes or for several purposed over ... | Noun | Attribute, Keyword | Unit |
| water budget | A water budget is the amount of water entering, stored within, and leaving a watershed, and it is al ... | Noun | Keyword, Variable | Unit |
| water footprint | The water used to produce goods and service consumed by an individual, business or a nation over a p ... | Noun | Variable | Unit |
| water table | the surface defined by the upper limit of the zone of saturation, or the surface of unconfined groun ... | | | |
| water use | Water use is the amount of water used for specific purposes or for several purposed over a specified ... | Noun | Variable | Unit |
| watershed | The concept of a watershed is basic to all hydrologic designs. Since large watersheds are made up of ... | Noun | | |
| watershed delineation | The process of defining the boundaries of a watershed. | Noun | Variable | |
| watershed_size | The area encompassed by a particular body of water's drainage basin. | Noun | Attribute, Geographical Area | Unit, 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 | | |
| weather | The state of the atmosphere at a given time and place, with respect to variables such as temperature ... | Noun | | |
| weather forecast model | weather forecast model are mathematical models developed by meteorological services and are extremel ... | Noun | Keyword, Variable | Unit |
| weather forecasting | Weather forecasting is the application of science and technology to predict the state of the atmosph ... | Noun | Keyword | |
| web services | An application programming interface (API) or Web API that is accessed via Hypertext Transfer Protoc ... | | Keyword | |
| West Nile virus | West Nile virus (WNV) is a virus of the family Flaviviridae. Part of the Japanese encephalitis (JE) ... | Noun | Keyword | |
| wet deposition | The processes of deposition (of spores and pollen) by rainout or washout. | Combined | | |
| wetland | A wetland is an area where the soil is completely saturated with water. This class includes swamps, ... | Noun | Glossary, Variable | Unit |
| wildland fire | Uncontrolled natural or anthropogenic burning of forests or other large areas of land. | Combined | | |
| wind | Wind is simply air in motion. It is caused by the uneven heating of the Earth's surface by the sun. ... | Noun | Variable | Unit |
| wind direction | | | | |
| wind persistence | | | | |
| wind speed | Wind speed is the speed of wind, the movement of air or other gases in an atmosphere. It is a scalar ... | | Variable | |
| wind type | In meteorology, winds are often referred to according to their strength, and direction from which th ... | Noun | Variable | |
| Year (y) | Time unit: ~365.25 days; ~8766h | Noun | | |
| Yellow fever | Yellow fever is an acute viral hemorrhagic disease. The virus is part of the Flaviviridae family.The ... | | Keyword | |
| zoophilous plant | animal pollinated plant, including enthomophilous plants in the case of insect pollinated plant | Combined | Attribute | |
