| 单词 | recurrence surface |
| 释义 | > as lemmasrecurrence surface recurrence surface n. [after Swedish rekurrensyta (E. Granlund 1932, in Sveriges Geologiska Undersökning Ser. C. No. 373. viii. 73)] Soil Science a horizon between highly and slightly humified peat in a bog, indicative of a transition between diminished and active peat growth resulting from increased rainfall. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > [noun] > horizon > specific horizons solum1928 recurrence surface1938 palaeosol1950 palaeosoil1970 1934 Irish Naturalists' Jrnl. 5 134 To look for Granlund's ‘rekurrenz-surfaces’.] 1938 Philos. Trans. (Royal Soc.) B. 229 402 The later conclusions of Granlund—especially with regard to the main ‘recurrence surfaces’ in raised bogs. These are well-marked phases of arrested growth and can be taken to correspond with periods of climatic dryness. 1975 J. G. Evans Environment Early Man Brit. Isles iv. 77 Resumption of peat growth, leading to the formation of ‘recurrence surfaces’, takes place when conditions of high rainfall return. 2003 Quaternary Sci. Rev. 22 367/2 Recurrence surfaces mark distinct transitions from high- to low- humified peat as a response to increased net precipitation. < as lemmas |
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