Hierarchical View

Display Hierarchical | Alphabetical | KWOC | KWIC

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z


Environment (J)
     Related Term (Associative): ; Areas and regions (V)
    Environmental phenomena (Jb)
        Astronomical phenomena (Jbb)
            Earth movements (Geophysics) (Jbbe)
            Gravity (Jbbg)
            Surface friction (Geophysics) (Jbbs)
            Tides (Jbbt)
                Ocean tides (Jbbtp)
                    Tidal currents (Jbbtpc)
        Outer space (Jbc)
        Celestial bodies (Jbd)
            Earth (Jbde)
                 Use For: World
            Moon (Jbdm)
            Sun (Jbds)
        Geological phenomena (Jbg)
            Geological events (Jbge)
                Earthquakes (Jbgee)
                     Related Term (Associative): Seismology (Tpnpu)
                Landslides (Jbgem)
                    Debris flows (Jbgemc)
                        Debris avalanches (Jbgemcb)
                        Debris slides (Jbgemcs)
                    Earthflows (Jbgemf)
                    Mudflows (Jbgemm)
                        Mudslides (Jbgemmm)
                    Rockfalls (Jbgemq)
                    Rockslides (Jbgemr)
                    Rotational landslides (Jbgemt)
                    Translational landslides (Jbgemu)
                Volcanic eruptions (Jbgev)
            Geological activities and processes (Jbgp)
                Consolidation (Jbgpb)
                Deposition (Jbgpc)
                    Stratification (Jbgpcs)
                    Superposition (Geology) (Jbgpcu)
                Dislocation (Geology) (Jbgpd)
                     Use For: Displacement
                Erosion (Jbgpe)
                    Wind erosion (Jbgpew)
                Faulting (Jbgpf)
                Frost action (Jbgph)
                Injection (Geology) (Jbgpj)
                Rebound (Jbgpm)
                Sand blasting (Jbgpr)
                Sedimentation (Jbgps)
                Seismicity (Jbgpt)
                     Use For: Ground motion; Ground movements
                Subsidence (Geology) (Jbgpu)
                Ground settlement (Jbgpw)
                Slope stability (Jbgpx)
                    Slope failure (Jbgpxf)
                Submergence (Geology) (Jbgpy)
            Geologically affected surfaces (Jbgy)
                Faults (Jbgyf)
                Grabens (Jbgyg)
                Karst (Jbgyi)
                Potholes (Geology) (Jbgyk)
                Rupture surfaces (Jbgyp)
                Shear zones (Jbgyr)
                    Ring stress (Jbgyrr)
                Sinkholes (Jbgyt)
                Slip surfaces (Jbgyv)
                Troughs (Geology) (Jbgyx)
        Hydrologic phenomena (Jbh)
            Aggressive waters (Jbha)
            Degradation (Hydrology) (Jbhb)
            Desiccation (Jbhc)
            Drainage (Jbhd)
                 Use For: Soil drainage; Storm water drainage; Stormwater drainage
                 Related Term (Associative): 
                Subsurface drainage (Jbhdb)
                Surface drainage (Jbhdr)
            Floods (Jbhf)
                 Use For: Flooding
                Design flood (Jbhfd)
            Hydrologic cycle (Jbhh)
            Streamflow (Jbhi)
                 Use For: River flow; Stream flow
            River currents (Jbhl)
            Ocean currents (Jbhm)
                Sinking (Oceanography) (Jbhms)
                     Use For: Downwelling
            Peak discharge (Jbhn)
                Rational formula (Hydraulics) (Jbhnr)
            Ponding (Jbho)
            Runoff (Jbhp)
                 Use For: Storm water runoff; Stormwater runoff
            Sediment discharge (Jbhr)
            Seepage (Jbhs)
            Storm surges (Jbht)
            Upwelling (Jbhu)
            Water table (Jbhv)
                 Use For: Water levels
                 Related Term (Associative): Aquifers (Vsb)
                Drawdown (Hydraulics) (Jbhvd)
                Groundwater recharge (Jbhvr)
                     Use For: Aquifer recharge
                     Related Term (Associative): Detention basins (Pmhpdc)
            Water waves (Jbhw)
                 Related Term (Associative): Waves (Smw)
                Following seas (Jbhwf)
                Ocean waves (Jbhwp)
                    Surf (Jbhwps)
                    Tidal waves (Jbhwpu)
                    Tsunamis (Jbhwpx)
                Wind waves (Jbhww)
                     Use For: Wind generated waves
                Properties of water waves (Jbhwy)
                    Wave height (Jbhwys)
                         Use For: Wave steepness
            Sea level (Jbhx)
                 Related Term (Associative): Global warming (Jbmwnw)
            Phenomena of frozen water (Jbhy)
                Avalanches (Jbhyb)
                Frost (Jbhyf)
                Ice phenomena (Jbhyj)
                    Ice formations (Jbhyjj)
                         Related Term (Associative): Ice (Rbdbf)
                        Drift ice (Jbhyjjd)
                        Ice floes (Jbhyjjf)
                             Use For: Floating ice
                        Ice islands (Jbhyjjj)
                        Icebergs (Jbhyjjm)
                        Glaciers (Jbhyjjp)
                        Icing (Jbhyjjs)
                             Use For: Ice accretion
                            Black ice (Jbhyjjsb)
                            Icy roads (Jbhyjjsj)
                    Ice by location (Jbhyjp)
                        Lake ice (Jbhyjpm)
                        River ice (Jbhyjpr)
                        Sea ice (Jbhyjps)
                            Pack ice (Jbhyjpsp)
                    Ice concentration (Jbhyjs)
                         Use For: Ice cover
                Snow phenomena (Jbhys)
                    Snow cover (Jbhysc)
                    Snowdrifts (Jbhysd)
                    Snowmelt (Jbhysm)
        Meteorological phenomena (Jbm)
            Atmosphere (Jbmb)
                Atmospheric layers (Jbmba)
                     Use For: Atmospheric shells
                    Troposphere (Jbmbac)
                    Stratosphere (Jbmbag)
                    Mesosphere (Jbmbam)
                    Ionosphere (Jbmbaq)
                    Exosphere (Jbmbav)
                    Special subdivisions of the atmosphere (Jbmbay)
                        Airspace (Aeronautics) (Jbmbayb)
                        Airspace (Law) (Jbmbaym)
                Properties of the atmosphere (Jbmbb)
                    Atmospheric pressure (Jbmbbp)
                         Use For: Barometric pressures
                        Pressure fields (Jbmbbpf)
                        Pressure waves (Jbmbbpw)
                    Atmospheric temperature (Jbmbbt)
                         Use For: Ambient temperatures
                    Humidity (Jbmbbx)
                Atmospheric phenomena (Jbmbk)
                    Atmospheric circulation (Jbmbkd)
                         Use For: Air circulation
                    Atmospheric diffusion (Jbmbkg)
                    Atmospheric turbulence (Jbmbkj)
                        Clear air turbulence (Jbmbkjc)
                    Haze (Jbmbkk)
                    Lightning (Jbmbkl)
                    Water in the atmosphere (Jbmbkm)
                        Atmospheric water vapor (Jbmbkmb)
                            Clouds (Jbmbkmbc)
                            Fog (Jbmbkmbf)
                                Ice fog (Jbmbkmbfj)
                        Precipitation (Meteorology) (Jbmbkmp)
                             Use For: Atmospheric precipitation
                            Rain (Jbmbkmpr)
                                Rainfall (Jbmbkmprr)
                            Snow (Jbmbkmps)
                                Snowfall (Jbmbkmpss)
                    Atmospheric pressure phenomena (Jbmbkp)
                        Cyclones (Jbmbkpc)
                            Hurricanes (Jbmbkpch)
                            Typhoons (Jbmbkpct)
                        Fronts (Meteorology) (Jbmbkpf)
                             Use For: Weather fronts
                        Storms (Jbmbkps)
                            Design storm (Jbmbkpsd)
                            Ice storms (Jbmbkpsj)
                            Snowstorms (Jbmbkpsq)
                            Thunderstorms (Jbmbkpst)
                    Heat storage (Jbmbks)
                    Wind (Jbmbkw)
                         Use For: Atmospheric motion; Winds
                        Air currents (Jbmbkwb)
                            Downdrafts (Jbmbkwbd)
                                Microbursts (Jbmbkwbdm)
                        Crosswinds (Jbmbkwc)
                        Gusts (Jbmbkwg)
                        Jet stream (Jbmbkwj)
                        Tornadoes (Jbmbkwt)
                        Wind shear (Jbmbkww)
                            Vertical wind shear (Jbmbkwwv)
                Model atmosphere (Jbmby)
                     Use For: Atmosphere models; Atmospheric models
            Weather and climate (Jbmw)
                Weather (Jbmwb)
                     Related Term (Associative): Road weather information systems (Dsfpdp); Meteorology (Tpnt)
                    Weather conditions (Jbmwbb)
                         Use For: Adverse conditions
                        Cold weather (Jbmwbbc)
                             Related Term (Associative): Low temperature (Rktmm)
                        Dry weather (Jbmwbbd)
                        Hot weather (Jbmwbbh)
                             Related Term (Associative): High temperature (Rktmh)
                        Wet weather (Jbmwbbw)
                        Thaw (Jbmwbby)
                             Use For: Thawing
                    Weather forecasting (Jbmwbf)
                Climate (Jbmwn)
                     Related Term (Associative): ; Climatic regions (Vcr)
                    Climate change (Jbmwnc)
                         Use For: Climatic changes
                    Drought (Jbmwnd)
                    Global warming (Jbmwnw)
                         Related Term (Associative): Sea level (Jbhx); Greenhouse effect (Jfgbbg)
        Deterioration by environmental action (Jby)
             Related Term (Associative): Deterioration (Pte)
            Biodeterioration (Jbyb)
                 Use For: Bacterial degradation; Biodegradation; Decay; Microbial degradation
            Fouling (Naval architecture) (Jbyd)
                 Use For: Biological fouling; Hull fouling
            Flood damage (Jbye)
            Frost damage (Jbyf)
                Frost heaving (Jbyfh)
            Moisture damage (Jbym)
                 Use For: Water damage
                 Related Term (Associative): Waterproofing (Fccmww); Moisture barriers (Rbmnfj)
            Scour (Jbyn)
                 Use For: Channel erosion; Stream erosion; Stream scour; Water erosion
            Settlement (Structures) (Jbyp)
                 Use For: Settling; Subsidence
                Differential settlement (Jbypd)
            Silting (Jbyq)
                 Use For: Siltation; Silting up
            Thermal degradation (Jbyt)
                 Use For: Thermal cracking
            Weathering (Jbyy)
                Accelerated weathering (Jbyyc)
    Living things (Jc)
         Use For: Organisms
         Related Term (Associative): Biology (Tpd)
        Cells (Biology) (Jca)
            Nucleus (Biology) (Jcan)
        Classes of living things (Jcb)
            Plants (Jcbp)
                 Related Term (Associative): Botany (Tpde)
                Algae (Jcbpc)
                Bacteria (Jcbpg)
                Fungi (Jcbpk)
                Grasses (Jcbpp)
                     Related Term (Associative): Grasslands (Vgc)
                Ground cover (Jcbpq)
                Shrubs (Jcbps)
                     Use For: Woody plants
                Trees (Jcbpv)
                Parts of plants (Jcbpy)
                    Roots (Jcbpyr)
                    Seeds (Jcbpys)
            Animals (Jcbt)
                 Related Term (Associative): Zoology (Tpdx)
                Invertebrates (Jcbtj)
                    Crustacea (Jcbtjc)
                        Barnacles (Jcbtjcb)
                        Shrimp (Jcbtjcs)
                    Insects (Jcbtjj)
                        Larvae (Jcbtjjm)
                        Termites (Jcbtjjt)
                    Mollusca (Jcbtjm)
                Vertebrates (Jcbtv)
                    Fishes (Jcbtvb)
                         Use For: Fish
                        Salmon (Jcbtvbt)
                    Amphibians (Jcbtvd)
                        Frogs (Amphibians) (Jcbtvdf)
                    Birds (Jcbtvf)
                    Mammals (Jcbtvu)
                        Carnivores (Jcbtvuc)
                            Cats (Jcbtvucb)
                            Dogs (Jcbtvucd)
                        Primates (Jcbtvup)
                            Baboons (Jcbtvupb)
                            Human beings (Jcbtvuph)
                                 Use For: Man
                            Monkeys (Jcbtvupm)
                        Rodents (Jcbtvur)
                            Rabbits (Jcbtvurr)
                            Rats (Jcbtvurs)
                        Ungulates (Jcbtvuu)
                            Deer (Jcbtvuud)
                            Horses (Jcbtvuuh)
                                 Use For: Equestrian
                                 Related Term (Associative): Horse drawn vehicles (Qbdf)
        Living things by characteristics (Jcm)
            Living things by region (Jcmb)
                Aquatic life (Jcmbb)
                     Use For: Aquatic organisms; Aquatic plants
                    Benthos (Jcmbbb)
                         Use For: Bottom fauna
                    Plankton (Jcmbbp)
                        Phytoplankton (Jcmbbpp)
                        Zooplankton (Jcmbbpy)
                    Shellfish (Jcmbbs)
                        Crabs (Jcmbbsc)
                Biomass (Jcmbd)
                    Vegetation (Jcmbdv)
                        Native plants (Jcmbdvn)
                Roadside flora and fauna (Jcmbr)
                    Roadside fauna (Jcmbrf)
                         Use For: Roadside animals
                    Roadside flora (Jcmbrm)
                         Use For: Roadside plants
            Laboratory animals (Jcmf)
            Undomesticated living things (Jcmk)
                Wildflowers (Jcmkf)
                Wildlife (Jcmkm)
            Living things detrimental to human activity (Jcmp)
                Bird pests (Jcmpb)
                Fouling organisms (Jcmpf)
                Marine borers (Jcmpm)
                Invasive plants (Jcmpu)
                Weeds (Jcmpw)
            Microorganisms (Jcmx)
    Biological activity (Jd)
        Aging (Biology) (Jdb)
             Use For: Ageing (Biology)
             Related Term (Associative): Physical condition (Mxb)
        Evolution (Jde)
        Food chain (Jdg)
        Reproduction (Biology) (Jdr)
            Fetus (Jdrf)
                 Use For: Foetus
                 Related Term (Associative): Pregnant women (Mdfp)
        Animal behavior (Jdt)
            Animal migrations (Jdtf)
                 Use For: Fish migrations
            Bird strikes (Jdtp)
        Plant activity (Jdx)
            Evapotranspiration (Jdxe)
            Plant growth (Jdxp)
                Primary production (Jdxpp)
    Ecosystems (Je)
        Biodiversity (Jeb)
             Use For: Biological diversity
        Endangered species (Jee)
        Habitat (Ecology) (Jeh)
             Use For: Animal ecology; Habitat connectivity
        Stream restoration (Jeq)
             Related Term (Associative): Restoration ecology (Tpdgr); Streams (Vsjfs)
        Synergism (Ecology) (Jes)
    Environmental quality (Jf)
        Quality of specific environments (Jfa)
            Air quality (Jfab)
            Water quality (Jfaw)
        Environmental policy (Jfb)
             Use For: Environmental management; Environmental planning
             Related Term (Associative): Public policy (Crap)
            Coastal zone management (Jfbc)
            Environmental streamlining (Jfbs)
                 Related Term (Associative): Project management (Car)
        Environmental protection (Jfc)
             Related Term (Associative): Ecotourism (Bmkhue)
        Environmental risk assessment (Jfd)
             Related Term (Associative): Hazards (Hhd); Risk assessment (Hka)
        Environmental impacts (Jfe)
             Use For: Environmental effects
            Environmental impact analysis (Jfee)
        Environmental monitoring (Jff)
             Related Term (Associative): Monitoring (Dmbm)
        Pollution (Jfg)
            Pollution of specific environments (Jfgb)
                Air pollution (Jfgbb)
                     Use For: Air pollutants
                    Greenhouse effect (Jfgbbg)
                         Related Term (Associative): Global warming (Jbmwnw)
                    Smog (Jfgbbs)
                    Air pollution sources (Jfgbbu)
                        Mobile sources (Jfgbbum)
                        Stationary sources (Jfgbbus)
                             Use For: Point sources
                Soil pollution (Jfgbs)
                Water pollution (Jfgbw)
                    Thermal pollution (Jfgbwt)
                    Wastewater (Jfgbww)
            Pollutants (Jfgs)
                 Use For: Emissions
                 Related Term (Associative): Emission control systems (Qpw)
                Acid rain (Jfgsb)
                Contaminants (Jfgsc)
                Evaporative emissions (Jfgse)
                Fumes (Jfgsf)
                Polluting gases (Jfgsg)
                    Exhaust gases (Jfgsge)
                         Use For: Automobile exhaust; Exhaust emissions; Vehicle exhaust
                         Related Term (Associative): Emissions testing (Gbbc)
                        Aircraft exhaust gases (Jfgsgea)
                             Use For: Jet engine exhaust; Jet exhaust
                        Diesel engine exhaust gases (Jfgsged)
                             Use For: Diesel exhaust emissions; Diesel motor exhaust gas
                    Flue gases (Jfgsgf)
                    Greenhouse gases (Jfgsgg)
                         Use For: Carbon dioxide equivalent; Carbon footprint
                         Related Term (Associative): 
                    Stack gases (Jfgsgs)
                Odors (Jfgsp)
                Tobacco smoke (Jfgsr)
                     Use For: Cigarette smoke
                Spills (Pollution) (Jfgss)
                     Use For: Hazardous materials spills
                    Chemical spills (Jfgssc)
                         Use For: Fuel spills
                    Oil spills (Jfgssp)
                         Use For: Oil pollution
            Intentional polluting actions (Jfgt)
                Misfueling (Jfgtm)
                Tampering (Jfgtt)
            Pollution control (Jfgy)
                 Related Term (Associative): Emission control systems (Qpw)
                Air quality management (Jfgyb)
                     Use For: Air pollution control; Emission control; Smog control; Transportation control measures
                    Emissions trading (Jfgybe)
                    Fuel substitution (Jfgybf)
                    Nonattainment areas (Jfgybn)
                         Related Term (Associative): Metropolitan areas (Vwqm)
                Soil remediation (Jfgys)
                     Use For: Site remediation
                Bioremediation (Jfgyu)
                Water quality management (Jfgyw)
                     Use For: Water pollution control
                    Oil spill cleanup (Jfgywp)
                         Use For: Oil spill removal
                    Sewerage (Jfgyws)
                         Related Term (Associative): Sanitary engineering (Ttkfp)
                        Sewage collection (Jfgywsc)
                        Sewage treatment (Jfgywsm)
                             Use For: Waste water treatment; Wastewater treatment
                            Biochemical oxygen demand (Jfgywsmb)
                        Sewage disposal (Jfgywsx)
                             Related Term (Associative): Waste disposal (Jfkyd)
        Wastes (Jfk)
             Use For: Waste materials
            Types of wastes (Jfkb)
                Agricultural wastes (Jfkbb)
                Effluents (Jfkbe)
                Hazardous wastes (Jfkbh)
                Industrial wastes (Jfkbj)
                Litter (Jfkbm)
                     Related Term (Associative): 
                Radioactive wastes (Jfkbn)
                    Plumes (Jfkbnp)
                Refuse (Jfkbp)
                     Use For: Garbage
                Solid wastes (Jfkbr)
                Spoil (Jfkbt)
                     Related Term (Associative): Dredged materials (Rbmdud)
            Waste management (Jfky)
                Carbon capture and storage (Jfkyc)
                Waste disposal (Jfkyd)
                     Use For: Dumping; Garbage disposal; Refuse disposal; Scrapping
                     Related Term (Associative): Sewage disposal (Jfgywsx)
                    Radioactive waste disposal (Jfkydr)
                    Solid waste disposal (Jfkyds)
                Waste minimization (Jfkym)
                Recycling (Jfkyr)
                     Related Term (Associative): In-place recycling (Fmuhpi); Waste products (Rbmdu)
                Salvage (Jfkys)
                     Use For: Waste product utilization; Waste utilization
                    Marine salvage (Jfkysm)
        Noise (Jfn)
             Use For: Noise pollution
            Noise sources (Jfnb)
                Aircraft noise (Jfnbb)
                    Airport noise (Jfnbbb)
                Ambient noise (Jfnbc)
                Cavitation noise (Jfnbd)
                     Use For: Propeller noise
                Traffic noise (Jfnbt)
                     Use For: Highway noise; Motor vehicle noise
                     Related Term (Associative): 
                    Tire/pavement noise (Jfnbtt)
                         Use For: Pavement noise; Tire noise
                         Related Term (Associative): Surface course (Pavements) (Pmrcpppmb); Tires (Qpmt); Rolling contact (Smdr)
            Noise control (Jfny)
                 Use For: Noise abatement
    Natural resources (Jn)
         Use For: Earth resources; Resources
        Specific natural resources (Jna)
            Energy resources (Jnae)
                 Use For: Energy reserves; Fuel resources
                Geothermal resources (Jnaeg)
                Renewable energy sources (Jnaer)
            Mineral resources (Jnam)
                Coal resources (Jnamc)
                     Use For: Coal reserves
            Water resources (Jnaw)
                 Use For: Water supplies
        Conservation (Jng)
            Energy conservation (Jnge)
                Fuel conservation (Jngef)
            Soil conservation (Jngs)
                Erosion control (Jngse)
                     Related Term (Associative): Protection against environmental damage (Fccm)
            Water conservation (Jngw)
            Wetland conservation (Jngx)
        Resource development and utilization (Jnr)
            Resource development (Jnrr)
                Resource extraction (Jnrrb)
                    Exploration (Jnrrbe)
                         Use For: Geological exploration
                        Geophysical prospecting (Jnrrbeg)
                             Use For: Geophysical exploration
                            Resistivity method (Jnrrbegr)
                                 Use For: Electrical resistivity method; Resistivity surveys
                            Seismic prospecting (Jnrrbegs)
                        Oil exploration (Jnrrbep)
                    Logging (Jnrrbk)
                        Strip method (Jnrrbks)
                    Mining (Jnrrbm)
                        Coal mining (Jnrrbmc)
                        Materials recovery (Mining) (Jnrrbmr)
                        Strip mining (Jnrrbms)
                        Mine haulage (Jnrrbmv)
                    Oil well drilling (Jnrrbp)
                        Hydraulic fracturing (Jnrrbph)
                    Quarrying (Jnrrbt)
                Fuel processing (Jnrrf)
                     Use For: Fuel treatment
                     Related Term (Associative): Chemical processes (Scp)
                    Coal processing (Jnrrfc)
                        Coal gasification (Jnrrfcg)
                             Use For: Hygas process
                        Coal hydrogenation (Jnrrfch)
                             Use For: Bergius process
                        Coal liquefaction (Jnrrfcm)
                        Coking (Jnrrfcp)
                    Hydrogen production (Jnrrfh)
                    Petroleum refining (Jnrrfp)
                         Use For: Petroleum processing
                    Fuel storage (Jnrrfv)
                        Hydrogen storage (Jnrrfvh)
                Beneficiation (Jnrrh)
                     Use For: Mineral dressing
                Land reclamation (Jnrrk)
                    Revegetation (Jnrrkr)
                    Reforestation (Jnrrkt)
                Natural gas distribution systems (Jnrrm)
                     Use For: Gas distribution
                Electric power generation and transmission (Jnrrp)
                     Related Term (Associative): Electrical installation (Fcap)
                    Electric power supply (Jnrrpe)
                         Use For: Cold ironing (Onshore power supply); Power supply
                    Electric power generation (Jnrrpp)
                         Use For: Electric power production; Power generation
                        Hydroelectric power generation (Jnrrpph)
                        Nuclear power generation (Jnrrppn)
                            Reactor fuel cycle (Jnrrppnn)
                        Solar power generation (Jnrrpps)
                             Related Term (Associative): Solar energy (Sose)
                        Thermal power generation (Jnrrppt)
                        Waste heat utilization (Jnrrppu)
                        Wind power generation (Jnrrppw)
                    Electric power transmission (Jnrrpt)
                         Use For: Electric power distribution; Power distribution; Power transmission
                        Electric power conditioning (Jnrrpte)
                             Use For: Conditioning (Electricity)
                        Interconnection (Electric power) (Jnrrptj)
                    Energy storage systems (Jnrrpv)
                Water resources development (Jnrrw)
                    Desalination (Jnrrwd)
                         Use For: Desalting
                    Ocean development (Jnrrwp)
            Resource utilization (Jnru)
                Energy consumption (Jnrue)
                     Use For: Energy utilization
                    Fuel consumption (Jnruef)
                Water consumption (Jnruw)

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z