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单词 allerød
释义

Allerødn.

Brit. /ˈalərəːd/, U.S. /ˈæləˌrəd/
Forms: 1900s– Allerod, 1900s– Allerød, 1900s– Alleröd.
Origin: A borrowing from Danish. Etymons: Danish Allerød, Allerød-Oscillation.
Etymology: < Danish Allerød (1908 in Allerød-Oscillation, or earlier) < the name of Allerød, an administrative district near Copenhagen, Denmark, in which the type site is located.The site (the clay pit of a brickworks) was investigated from 1897, and the results were published in 1901 by N. Hartz and V. Milthers ( Meddelelser fra Dansk geologisk Forening 8 31–60; compare quot. 1919). This publication does not use the place name to denote the interstadial period. The form Alleröd reflects the spelling of both the place name and the geological term in German.
Ecology and Climatology.
(The name of) a warmer period (interstadial) during the late glacial period in Europe, occurring between the Older and the Younger Dryas, about 14,000 to 13,000 years ago, and marked by the spread of birch, willow, and pine. Usually attributive, esp. in Allerød interstadial, Allerød oscillation.
ΚΠ
1919 Ann. Rep. Board of Regents Smithsonian Inst. 1917 295 The postglacial deposits, however, show a well-marked climatic oscillation—the Allerod oscillation—which possibly corresponds to this readvance. This was first described by Hartz and Milthers near Allerod in 1901.
1920 Danmarks Geol. Undersøgelse Række II. 34 260 The warm period of the Late Glacial Age: the Allerød Period.
1947 Sci. Progr. 35 191 An earlier and less pronounced interstadial than that now spoken of as the Allerød.
1957 G. E. Hutchinson Treat. Limnol. I. i. 26 Organic deposits of Alleröd age.
1990 Jrnl. World Prehist. 4 271 The Federmesser group has been dated to the earliest part of the Allerød oscillation.
2000 Nature 15 June 753/1 In Ireland and the Isle of Man, most specimens [of Irish elk] are from deposits of the Allerød Interstadial.
2002 M. Allaby Encycl. Weather & Climate (rev. ed.) 21/2 During the Allerød the tundra vegetation disappeared, the soil stabilized, and birch (Betula species) woodland covered the area.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).
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n.1919
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