Taiga 2,932 Taiga environment 278 Taliks 525 Talus 387 Talus slopes 248 Taxonomy 969 Techniques 676 Technology 493 Tectonics 3,548 Tectonophysics 597 Temperate environment 273 Temperature 14,602 Temperature distribution 363 Temperature effects 3,784 TEMPERATURE EFFECTS 305 Temperature gradients 521 Temperature measurement 856 Temperature variations 1,086 Temporal distribution 504 Tensile properties 600 Terminology 399 Terraces 581 Terrain 821 Terrain identification 375 Terrains 484 Terranes 270 Terrestrial biology 517 Terrestrial comparison 306 Terrestrial environment 5,065 Terrestrial planets 1,292 Territorial claims and boundaries 476 Tertiary 3,916 Test equipment 539 Testing 600 Tests 2,676 Tetrapoda 3,286 Textures 953 Thallophyta--Algae 305 Thallophyta--Algae--Ecology 269 Thallophyta--Algae--Physiology 422 Thallophytes 361 Thaw depth 580 Thawing 3,334 Thematic mapper 253 Theoretical models 455 Theoretical studies 912 Theories 806 Theria 1,262 Thermal analysis 292 Thermal conductivity 1,406 Thermal drills 264 Thermal insulation 1,466 Thermal properties 1,307 Thermal regime 2,255 Thermal stresses 388 Thermodynamic properties 919 Thermodynamics 723 Thermohaline circulation 1,034 Thermokarst 1,235 Thermoluminescence 251 Thickness 2,882 Three-dimensional models 1,134 Tidal currents 249 Tides 947 Till 2,595 Time factor 594 Time series analysis 1,062 Tires 425 Tomography 250 Topographic effects 970 Topographic features 726 Topographic survey 278 Topographic surveys 379 Topography 2,404 Total organic carbon 264 Tourism 551 Trace elements 962 Tracers 632 Tracked vehicles 308 Trafficability 486 Transgression 409 Transport 2,308 Transportation 1,672 Tree rings 652 Trees 347 Trees (plants) 1,188 Trenching 275 Triassic 485 Tropical environment 423 Troposphere 1,057 Tundra 2,982 Tundra soils 765 TUNDRA SOILS 256 Tundra vegetation 1,053 Tunnels 428 Turbulence 569 Turbulent boundary layer 337 Turbulent diffusion 362 Turbulent flow 312 Two-dimensional models 564