| 释义 |
▪ I. upˈwelling, ppl. a.
(up- 6 b.)
1854Whittier Hermit of Thebaid 1 O strong, upwelling prayers of faith. 1875Helps Social Pressure i. 4, I foresee a source of enjoyment,..a very constant and up-welling source. 1884Century Mag. XXIX. 108 Blushing deeply with upwelling patriotism and bashfulness. 1936Discovery Aug. 259/1 The cold up-welling polar waters. 1964Oceanogr. & Marine Biol. II. 348 The muscle band..may act as a reflector for upwelling luminescence.
▪ II. upˈwelling, vbl. n.
[up- 7.]
1. gen. A welling upwards.
1868J. H. Newman Verses on Various Occasions 309 The fresh upwelling of thy tranquil spirit. 1896Mrs. H. Ward Sir G. Tressady ii. xx. 462 Strange up-wellings of feelings long trampled on and suppressed. 1976J. Wheeler-Bennett Friends, Enemies & Sovereigns v. 164 Truman derived his own keen perception from within himself, through an upwelling of his own inner consciousness.
2. spec. The rising of water from the depths of the ocean, often bringing with it a renewed source of nutrients; also, the water thus risen.
1912Internat. Rev. der gesamt. Hydrobiol. und Hydrographie V. 250 Holway..attributed the cold surface water to an upwelling of bottom water. 1922W. G. Kendrew Climates of Continents 11 This is a cool current..partly owing to the upwelling of cold water along the coast. 1963G. L. Pickard Descriptive Physical Oceanogr. iv. 39 Upwelling is important in replenishing the surface layers. 1967Oceanogr. & Marine Biol. V. 57 This gives rise along the south coast of New Guinea to a violent upwelling whose existence is evident only during this month. 1973Sci. Amer. June 22/3 The concentration of nutrients in the Peru upwelling is many times greater than that in the open ocean. |