deep-water zone
51Naples underground geothermal zone — One of the many caverns beneath Naples. Running beneath the Italian city of Naples and the surrounding area is an underground geothermal zone called the Campi Flegrei ( fiery fields ). This geothermal area runs generally from Mount Vesuvius… …
52Blue-water navy — The term blue water navy is a colloquialism used to describe a maritime force capable of operating across the deep waters of open oceans. [British Maritime Doctrine, BR 1806, Third Edition, dated 2004] While what actually constitutes such a force …
53abyssal zone — n. the ecological zone along the deep ocean floor between the bathyal and hadal zones * * * ▪ geology portion of the ocean deeper than about 2,000 m (6,600 feet) and shallower than about 6,000 m (20,000 feet). The zone is defined mainly by… …
54Time zone — Timezone and TimeZone redirect here. For other uses, see Time zone (disambiguation). Local time redirects here. For the mathematical concept, see Local time (mathematics). This article is about time zones in general. For a list of time zones by… …
55Profundal zone — The profundal zone is a deep zone of a body of water, such as an ocean or a lake, located below the range of effective light penetration. This is typically below the thermocline, the vertical zone in the water through which temperature drops… …
56Antarctic Bottom Water — The Antarctic Bottom Water (AABW) is a type of water mass in the seas surrounding Antarctica with temperatures ranging from 0 to 0.8◦ C, salinities from 34.6 to 34.7 psu, and a density near 27.88Specify|date=August 2007. AABW is formed in the… …
57Coastal Zone Color Scanner — Ocean color around Tasmania (false color). Red and orange colors indicate high levels of phytoplankton. The Coastal Zone Color Scanner (or CZCS) was a multi channel scanning radiometer aboard the Nimbus 7 satellite. Nimbus 7 was launched 24… …
58Body of water — [ River Gambia flowing through Niokolokoba National Park] A body of water is any significant accumulation of water, usually covering the Earth or another planet. The term body of water most often refers to large accumulations of water, such as… …
59Demersal zone — Marine habitats This bluespotted ribbontail ray lives in the demersal zone on or just above the seafloor Littoral zone Intertidal zone …
60Organisms used in water purification — A flowering water purifying plant (Iris pseudacorus) At present, several species of water purifying plants, bacteria, and fish are used in water purification, improving efficiency and/or ecosystem support. Contents …
