Water cycle
Videos
The water cycle is a biogeochemical cycle that involves the continuous change in form of water on, above and below the surface of the Earth across different reservoirs. The mass of water on Earth rema
Water cycle showing human influences and major pools (storages) and fluxes
Relationship between impervious surfaces and surface runoff
Precipitation
Videos
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull. The main forms of precipitation include drizzle, rain, rai
Water cycle
…due to a variety of physical and chemical processes. The processes that drive these movements, or fluxes, are evaporation, transpiration, condensation, precipitation, sublimation, infiltration, surface runoff, and subsurface flow. In doing so, the water goes through different phases: liquid, solid (ice) and vapor…
A thunderstorm with heavy rain shower
Late-summer rainstorm in Denmark
Lenticular cloud forming due to mountains over Wyoming
Puddle in the rain