X-Nico

unusual facts about water column



Black scabbardfish

The black scabbardfish is bathypelagic by day but moves upwards in the water column at night to feed at middle depths on crustaceans, cephalopods and other fishes, mostly grenadiers, codlings (family Moridae) and naked heads (family Alepocephalidae).

Pressure regulator

These regulators normally compensate for tank pressures between 30 - 200 PSI and commonly deliver 11 inches water column (0.4 PSI) for residential applications and 35 inches of water column (1.3 PSI) for industrial applications.


see also

Amber Lyon

Her report, presented on CNN, revealed how BP's use of dispersants was sinking the oil into the water column, turning it into what she called "hidden oil", that could not be cleaned up or skimmed out of the water.

Goiter blacksmelt

It is the biomass dominant pelagic fish over the Mid-Atlantic Ridge when the entire water column is fully considered.