Red tide

Red tide

A growth of dinoflagellates (single-celled plant-like animals) in surface waters in such quantities as to colour the sea red and kill fish.

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Part of Speech: noun
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Blossary:
Industry/Domain: Earth science
Category: Oceanography
Company: Marine Conservation Society
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Related terms

red tide

Natural environment; Coral reefs

Discoloration of surface waters, most frequently in coastal areas, caused by large concentrations of microorganisms, such as algae or cyanobacteria.

red tide

Weather; Meteorology

The term applied to toxic algal blooms caused by several genera of dinoflagellates (Gymnodinium and Gonyaulax) that turn the sea red and are frequently associated with a ...

red tides

Biology; Cell biology

Phenomenon associated with population explosions (blooms) of certain types of dinoflagellates; red structures inside the dinoflagellates cause the water to have a reddish color.

red tide

Earth science; Physical oceanography

A reddish-brown area in a body of water, such as ocean or river. Red tides are caused by a sudden increase in dinoflagellates.

red tide

Fishing; Marine fishery

Proliferation of marine plankton that is toxic and often fatal to fish. This natural phenomenon is stimulated by phosphorus and other nutrients that are discharged into waterways ...

red tide

Geography; Physical geography

A bloom of surface algae, red in colour, found in coastal waters when a heavy nutrient load is washed from the land stimulating the algal growth.

placer

Earth science; Oceanography

A layer of minerals laid down by flowing water. People who pan for gold search through placers.

reef

Earth science; Oceanography

An underwater ridge of rock that rises up to or near the surface. Reefs are important ecosystems that provide home for sea life.

aquascape

Earth science; Oceanography

A scenic view of a body of water; an area having a natural or constructed aquatic feature (as a pond or fountain).

equatorial rossby wave

Earth science; Oceanography

An equatorially trapped westward propagating wave that moves due to isentropic gradients of potential vorticity. The meridional velocity of the n'th mode of these waves has the ...

blackbody radiator

Earth science; Oceanography

A hypothetical, ideal radiator that totally absorbs and reemits all energy incident upon it. Actual objects only approach this ideal.

shear instability

Earth science; Oceanography

An instability of an unbounded parallel shear flow to the growth and nonlinear development of waves with phase speed in the along flow direction approximately equal to the speed ...

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