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iamnaughty-overzicht Review
Set 17, 2022
La Meccanica
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However, the brand new 230Th relationship means possesses its own restrictions

However, the brand new 230Th relationship means possesses its own restrictions

34 ka B.P. are similar to the timing of Mono Lake trip (22), recommending that this excursion is in charge of the new ?14C level (Fig. 3).

This new broad reduction in ?14C through the which period **you may plausibly come from progressively growing water ventilation. **Another items getting equivalent, the newest shorter the fresh collection time, the latest a shorter time getting 14C so you can decay, the greater number of 14C during the deep seas and you may, by the size equilibrium, the lower the fresh ?14C of environment. Presuming the common deep water age a lot of many years on eleven ka B.P. and you will an excellent 60:1 proportion off deep-water so you’re able to atmospheric carbon, the brand new lowering of atmospheric ?14C over this time period is informed me of the a modern move into the deep-water years from around 3000 many years at twenty-five ka B.P. towards presumed a lot of-seasons worthy of during the 11 ka B.P.

There clearly was particular help to the inference away from growing ventilation with date, while the findings signify this new deep Southern Water and you may Southern area Pacific was in fact badly vented in the past glacial limitation (32–34). Continue reading »

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