- upwells
- v. well up, flow or move upward
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
plate tectonics — plate tectonics, n. (Geol.) A geological theory which holds that the crust of the earth (the lithosphere) is divided into a small number of large separate plates which float and move slowly around on the more plastic asthenosphere, breaking apart … The Collaborative International Dictionary of English
hot spot — noun Date: 1929 1. a place of more than usual interest, activity, or popularity < birding hot spots > 2. a place in the upper mantle of the earth at which hot magma from the lower mantle upwells to melt through the crust usually in the interior… … New Collegiate Dictionary
El Niño-Southern Oscillation — El Niño redirects here. For other uses, see El Niño (disambiguation). ENSO redirects here. For other uses, see Enso (disambiguation). The 1997 El Niño observed by TOPEX/Poseidon. The white areas off the tropical coasts of South and North America… … Wikipedia
Thermohaline circulation — A summary of the path of the thermohaline circulation/ Great Ocean Conveyor. Blue paths represent deep water currents, while red paths represent surface currents The term thermohaline circulation (THC) refers to a part of the large scale ocean… … Wikipedia
Mantle (geology) — For other uses, see Mantle (disambiguation). Earth cutaway from core to exosphere. The mantle is a part of a terrestrial planet or other rocky body large enough to have differentiation by density. The interior of the Earth, similar to the other… … Wikipedia
Solubility pump — In oceanic biogeochemistry, the solubility pump is a physico chemical process that transports carbon (as dissolved inorganic carbon) from the ocean s surface to its interior.OverviewThe solubility pump is driven by the coincidence of two… … Wikipedia
hot spot — 1. a country or region where dangerous or difficult political situations exist or may erupt, esp. where a war, revolution, or a belligerent attitude toward other countries exists or may develop: In the 1960s, Vietnam became a hot spot. 2.… … Universalium
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
Dietz, Robert Sinclair — ▪ 1996 U.S. geophysicist and oceanographer (b. Sept. 14, 1914, Westfield, N.J. d. May 19, 1995, Tempe, Ariz.), plumbed the ocean depths and set forth (1961) a theory of seafloor spreading, the process in which new crustal material… … Universalium