260
Index
Stand-alone mitigation technique, 250 STP (Standard Temperature and Pressure), 12 Submarine groundwater discharge (SGD), 122 Sub-membrane de-pressurization, 251 Sub-slab depressurization (SSD), 251 Sulfur dioxide (SO 2), 79 Surface renewal model, 128, 129 T Temporal variations groundwater, 170–171 210 Po and 210Pb activities in surface air, 88, 92–93 radon-222, 70–72 in radon release r ates, 53 radon emanation, 37 Terradex Track Etch system, 27 Terrestrial gamma radiation (TGR), 49–51 Thin- lm gas exchange model, 128 Thorium-230 activity, 137 concentration in, 135 flux, 137 production of, 135 Tohoku-Oki earthquake, 225 Transport, radon below earth s surface earth-mechanical transport, 191–192 ’
fluid convection mechanism, 192–194 meteorological parameters effect, 194 vertical transport in subsurface soil, 195–196 Tropospheric rivers, 74
U United Nations Scienti c Committee on the Effects of Atomic Radiation (UNSCEAR), 50 Uranium (U) exploration, 196–199 half-life, 27 mill tailing, 46, 249 ore, 189, 196, 197, 198 radioactive decay, 189 Uzu-Ohima earthquake, 215 V Volatile organic compounds (VOCs), 207 W Working level month (WLM), 232 World Climate Research Program (WCRP), 77 X Xenon, 2, 3