circulation of water
61tidal circulation — the movement of fresh water and sea water as they are mixed by ocean tides …
62vadose water — noun : groundwater suspended or in circulation above the water table …
63Shallow water blackout — Rendez vous syncopal des sept mètres Mis en évidence par le docteur Raymond Sciarli dès 1961, cet accident affecte les plongeurs en apnée. Ce phénomène n est pas consécutif à un manque d oxygène mais met en action certains mécanismes… …
64Ekman circulation — movement of surface water at an angle from the wind as a result of the Coriolis effect …
65overturn — circulation of water in lakes or the sea where seasonal temperature changes cause density differentials …
66vertical mixing — circulation of water from the surface to the depths in a lake and vice versa occurring naturally in temperate lakes in spring and autumn …
67hydrologic sciences — Introduction the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology. In its widest sense hydrology encompasses the study of the occurrence, the… …
68Circulator pump — A circulator pump is a specific type of pump used to circulate gases, liquids, or slurries in a closed circuit. They are commonly found circulating water in a hydronic heating or cooling system. Because they only circulate liquid within a closed… …
69boundary ecosystem — ▪ biology Introduction complex of living organisms in areas where one body of water meets another, e.g., estuaries and lagoons, or where a body of water meets the land, e.g., marshes. The latter are often called wetlands. Boundary… …
70chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
