sand linesand seasand sheetsand trapsand wavesandbagsandflow pathsandingsandstromsatellitesatellite climatologysatellite imagesatellite meteorologysatellite observationsatellite picturesatellite wind estimatesaturated airsaturated rocksaturated soilsaturated through flowsaturated zonesaturationsaturation adiabaticsaturation adiabatic equilibriumsaturation adiabatic lapse ratesaturation adiabatic pressuresaturation adiabatic processsaturation deficitsaturation linesaturation overland flowsaturation ratesausage damscale effectscale landsscaled modelscarpschematic diagramschematic modelschogirboescotch mistscourscour depthscouring velocityscourwayscreescreenscreen deckscreeningscreening modelscummer