trigonometric interpolationtritium unitstrnsposetropictropic of capricorntropicaltropical airtropical air masstropical climatetropical cyclonestropical depressiontropical disturbancetropical easterly jettropical easterly jet streamtropical meteorologytropical of capricorntropical rain foresttropical rainforest climatetropical stormtropicstropopausetropospheretroughtrough spillwaytruncated soil profiletruncationtruncation = decapationtsunamitunamitunneltunnel erosiontunnel spillwayturbidityturbidity currentturbulenceturbulence numberturbulentturbulent boundary layerturbulent diffusionturbulent flowturbulent velocityturn outturnaround timeturnovertwaddelltwo sample testtwo stage approach of land evaluationtyndall flowerstype curvetypes of flow in head water