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In OMZs oxygen concentration drops to levels <10 nM at the base of the oxycline and can remain anoxic for over 700 m depth. [7] This lack of oxygen can be reinforced or increased due to physical processes changing oxygen supply such as eddy-driven advection, [7] sluggish ventilation, [8] increases in ocean stratification, and increases in ocean temperature which reduces oxygen solubility.
This is a major process in the ocean and without vertical migration it wouldn't be nearly as efficient. The deep ocean gets most of its nutrients from the higher water column when they sink down in the form of marine snow. This is made up of dead or dying animals and microbes, fecal matter, sand and other inorganic material.
Blue Mind: The Surprising Science That Shows How Being Near, In, On, Or Under Water Can Make You Happier, Healthier, More Connected, and Better at What You Do is a bestselling [1] book by marine biologist Wallace J. Nichols about the effects bodies of water have on human health and well-being.
Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms. [3]
In the Ocean of Night is a 1977 fix-up hard science fiction novel by American writer Gregory Benford. It is the first novel in his Galactic Center Saga . It was nominated for the Nebula Award for Best Novel in 1977, [ 1 ] and for the Locus Award the following year. [ 2 ]
Water columns are used chiefly for environmental studies evaluating the stratification or mixing of thermal or chemically stratified layers in a lake, stream or ocean. Some of the common parameters analyzed in the water column are pH , turbidity , temperature , hydrostatic pressure , salinity , total dissolved solids , various pesticides ...
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Milky sea effect off the coast of Somalia in the Indian Ocean. Milky seas (Somali: Kaluunka iftiima; English: Milky seas), sometimes confused with mareel, are a luminous phenomenon in the ocean in which large areas of seawater (up to 100,000 km 2 or 39,000 sq mi [1]) appear to glow diffusely and continuously (in varying shades of blue).