The (oceanic) water column is a concept used in oceanography to describe the physical (temperature, salinity, light penetration) and chemical (pH, dissolved...

organs. The largest possible design of a water engine is the directly acting water-column engine or water column machine (German: Wassersäulenmaschine)...

Oscillating water columns (OWCs) are a type of wave energy converter that harness energy from the oscillation of the seawater inside a chamber or hollow...

Inches of water is a non-SI unit for pressure. It is also given as inches of water gauge (iwg or in.w.g.), inches water column (inch wc, in. WC, " wc,...

The pelagic zone consists of the water column of the open ocean and can be further divided into regions by depth. The word pelagic is derived from Ancient...

head of water. A centimetre of water is a unit of pressure. It may be defined as the pressure exerted by a column of water of 1 cm in height at 4 °C (temperature...

chemical, and biological processes that supply nutrients into the upper water column. The photic zone is home to the majority of aquatic life due to the activity...

which play an important role in remineralising organic material down the water column (note that prokaryotic phytoplankton are also bacterioplankton). Virioplankton...

Studying eDNA in the water column can indicate the community composition of a body of water. Before eDNA, the main ways to study open water diversity was to...

seawater and freshwater provides high levels of nutrients both in the water column and in sediment, making estuaries among the most productive natural habitats...