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Warmer paleotemperatures for terrestrial ecosystems

机译:陆地生态系统的古温度升高

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摘要

Floras of predominantly wet-soil environments show a greater than expected proportion of toothed leaves, affecting the outcome of leaf physiognomically based temperature estimates. New analyses of foliar physiognomy of plants growing in predominantly wet soils in modern forests suggest that current methods of inferring paleotemperatures from fossil floras yield underestimates of 2.5-10degreesC. The changes we propose bring terrestrial paleotemperature estimates into agreement with temperatures inferred from other biological and geological proxies and strengthen the use of leaf physiognomy as a method for climate reconstruction. [References: 37]
机译:主要为湿土环境的植物区系的齿状叶比例高于预期,从而影响根据生理学原理估计温度的叶片结果。对现代森林中主要是湿润土壤生长的植物的叶面相的新分析表明,目前从化石植物群推断古温度的方法被低估了2.5-10℃。我们提出的更改使地面古温度估算值与其他生物学和地质代理推断的温度相吻合,并加强了使用叶相学作为气候重建方法。 [参考:37]

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