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Your search for "Earth sciences" found 263 matches

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T18 Earth sciences
T18.3 Geophysics
T18.32.3 Seismology
T18.6 Geology
T18.63 Geochemistry
T18.63.2 Soil chemistry
T18.66 Hydrogeology
T18.69 Stratigraphy
T18.6B Sedimentology
T18.6B.3 Marine sediments
T18.6E Land elevation
T18.6H Mineralogy
T18.6H.2 Mineral deposits
T18.6H.23 Fossil fuel deposits
T18.6H.4 Minerals
T18.6H.42 Metalliferous minerals
T18.6H.42.3 Aluminates
T18.6H.42.32 Bauxite
T18.6H.42.34 Gibbsite
T18.6H.42.6 Chromite
T18.6H.42.9 Copper ores
T18.6H.42.E Iron ores
T18.6H.44 Nonmetalliferous minerals
T18.6H.44.2 Gypsum
T18.6H.44.4 Rocks
T18.6H.44.42 Igneous rocks
T18.6H.44.42.6 Quartz
T18.6H.44.44 Metamorphic rocks
T18.6H.44.44.6 Slate
T18.6H.44.46 Sedimentary rocks
T18.6H.44.46.2 Clay
T18.6H.44.46.5 Coal
T18.6H.44.46.7 Limestone
T18.6H.44.46.9 Sand
T18.6H.44.46.C Shale
T18.6H.44.4B Gravel
T18.6H.44.6 Nitrate minerals
T18.6H.44.8 Phosphate minerals
T18.6H.44.B Silicate minerals
T18.6H.44.B4 Sand
T18.6H.6 Mineral oils
T18.6H.62 Petroleum
T18.6J Geological research
T18.6M Geological maps
T18.6P Geological surveys
T18.9 Soil sciences
T18.93 Soil types
T18.93.3 Anthropogenic soil types
T18.93.32 Paddy soils
T18.93.34 Reclaimed soils
T18.93.34.2 Polder soils
T18.93.36 Roadside soils
T18.93.6 Chemical soil types
T18.93.62 Acid soils
T18.93.64 Alkaline soils
T18.93.66 Calcareous soils
T18.93.68 Gypsiferous soils
T18.93.6B Mineral soils
T18.93.6D Peat soils
T18.93.6F Saline soils
T18.93.6H Sodic soils
T18.93.9 Climatic soils
T18.93.93 Arid soils
T18.93.96 Desert soils
T18.93.99 Frigid soils
T18.93.9B Tropical soils
T18.93.B Cultural soil types
T18.93.B2 Arable soils
T18.93.B4 Forest soils
T18.93.B6 Grassland soils
T18.93.B8 Greenhouse soils
T18.93.BC Horticultural soils
T18.93.BE Irrigated soils
T18.93.BG Saturated soils
T18.93.BJ Subsoil
T18.93.BL Topsoil
T18.93.D Ecological soil types
T18.93.D2 Bog soils
T18.93.D4 Forest soils
T18.93.D6 Grassland soils
T18.93.D8 Rangeland soils
T18.93.DB Scrubland soils
T18.93.DE Swamp soils
T18.93.DG Wetland soils
T18.93.G Eroded soils
T18.93.J Genetic soil types
T18.93.J2 Acrisols
T18.93.J3 Andosols
T18.93.J4 Arenasols
T18.93.J6 Cambisols
T18.93.J8 Chernozems
T18.93.J9 Ferralsols
T18.93.JB Fluvisols
T18.93.JC Gleysols
T18.93.JE Greyzems
T18.93.JG Histosols
T18.93.JH Lithosols
T18.93.JJ Nitosols
T18.93.JK Phaeozems
T18.93.JL Planosols
T18.93.JM Podzols
T18.93.JN Rankers
T18.93.JP Regosols
T18.93.JQ Rendzinas
T18.93.JR Solonchaks
T18.93.JS Solonetz
T18.93.JT Vertisols
T18.93.JU Xerosols
T18.93.JV Vermosols
T18.93.M Layered soils
T18.93.P Lithological soil types
T18.93.P2 Alluvial soils
T18.93.P4 Basaltic soils
T18.93.P6 Calcareous soils
T18.93.P8 Chalk soils
T18.93.PB Clay soils
T18.93.PD Granite soils
T18.93.PF Gypsiferous soils
T18.93.PH Loess soils
T18.93.PJ Sandy soils
T18.93.PL Schist soils
T18.93.PN Shale soils
T18.93.PQ Volcanic soils
T18.93.R Physiographic soil types
T18.93.R2 Bottomland soils
T18.93.R5 Coastal soils
T18.93.R8 Delta soils
T18.93.RB Dune soils
T18.93.RE Hill soils
T18.93.RG Moraine soils
T18.93.RJ Mountain soils
T18.93.RL Upland soils
T18.93.T Structural soil types
T18.93.T2 Claypan soils
T18.93.T4 Dispersive soils
T18.93.V Textural soil types
T18.93.V2 Clay soils
T18.93.V4 Loam soils
T18.93.V6 Sandy soils
T18.93.V8 Silty soils
T18.93.VB Stony soils
T18.96 Soil physiochemical properties
T18.96.2 Soil texture
T18.96.4 Soil organic matter
T18.96.42 Humus
T18.96.6 Soil structure
T18.96.8 Soil porosity
T18.96.C Soil moisture
T18.99 Soil chemistry
T18.99.2 Soil chemical processes
T18.99.4 Soil salinity
T18.99.6 Soil acidity
T18.9C Soil microorganisms
T18.9F Soil mechanics
T18.9H Soil fertility
T18.9H.2 Soil nutrient content
T18.9H.23 Soil mineral content
T18.9K Soil depletion
T18.9K.3 Soil erosion
T18.9K.6 Soil pollution
T18.9K.9 Soil saturation
T18.9N Soil research
T18.9N.2 Soil analysis
T18.9N.23 Soil profiles
T18.9N.26 Soil surveys
T18.C Meteorology
T18.C2 Climatology
T18.C2.3 Bioclimatology
T18.C2.6 Climate
T18.C2.9 Climatic zones
T18.C2.92 Arid zone
T18.C2.94 Cold zone
T18.C2.96 Humid zone
T18.C2.98 Semiarid zone
T18.C2.9C Subtropical zone
T18.C2.9F Temperate zone
T18.C2.9J Tropical zone
T18.C2.B Seasons
T18.C2.B2 Cold season
T18.C2.B4 Dry season
T18.C2.B6 Rainy season
T18.C2.B8 Warm season
T18.C2.BB Seasonal variations
T18.C3 Agrometeorology
T18.C5 Weather
T18.C5.2 Dry weather
T18.C5.23 Drought
T18.C5.4 Rainfall intensity
T18.C5.6 Rainfall distribution
T18.C5.8 Weather forecasting
T18.C5.C Weather modification
T18.C8 Atmospheric physics
T18.C8.2 Atmospheric pressure
T18.C8.4 Atmospheric circulation
T18.C8.42 Wind
T18.C8.42.2 Wind velocity
T18.C8.6 Atmospheric disturbances
T18.C8.62 Storms
T18.C8.62.3 Cyclones
T18.C8.62.6 Thunderstorms
T18.C8.64 Lightning
T18.C8.8 Atmospheric radiation
T18.C8.82 Solar radiation
T18.C8.82.3 Sunlight
T18.C8.84 Daylight
T18.C8.B Atmospheric condensation
T18.C8.B2 Clouds
T18.C8.BC Frost
T18.C8.BE Precipitation (meteorology)
T18.C8.BE.3 Rain
T18.C8.BE.6 Snow
T18.F Hydrology
T18.F2 Water
T18.F4 Hydrobiology
T18.F4.3 Freshwater biology
T18.F4.6 Marine biology
T18.F6 Hydrologic cycle
T18.FB Water sources
T18.FB.2 Precipitation (meteorology)
T18.FB.4 Drainage
T18.FB.42 Runoff
T18.FB.44 Drainage basins
T18.FB.48 Watersheds
T18.FB.6 Springs (water)
T18.FB.8 Snowmelt
T18.FB.C Groundwater
T18.FB.E Surface water
T18.FC Water supply
T18.FD Water balance
T18.FD.2 Drought
T18.FD.4 Floods
T18.FD.6 Water table
T18.FF Water flow
T18.FF.3 Discharge
T18.FF.6 Percolation
T18.FF.9 Drainage
T18.FF.92 Runoff
T18.FF.B Salt water intrusion
T18.FH Water loss (hydrology)
T18.FH.2 Water evaporation
T18.FH.4 Water leakage
T18.FH.6 Water seepage
T18.FK Water quality
T18.FK.2 Potable water
T18.FK.4 Brackish water
T18.FK.6 Freshwater
T18.FK.8 Rain water
T18.FK.C Saline water
T18.FK.C2 Sea water
T18.FN Water chemistry
T18.FP Water analysis
T18.FS Hydrology research
T18.FS.3 Hydrological surveys
T18.J Oceanography
T18.J2 Marine biology
T18.J4 Ocean tides
T18.J6 Sea beds
T18.J8 Continental shelves
T18.J8.2 Reefs
T18.J8.23 Coral reefs
T18.J8.26 Artificial reefs
T18.JC Tidal waves
T18.JE Oceanography research
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