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DOI10.1126/science.282.5397.2241
Evidence for extreme climatic warmth from late cretaceous arctic vertebrates
Tarduno J.A.; Brinkman D.B.; Renne P.R.; Cottrell R.D.; Scher H.; Castillo P.
发表日期1998
ISSN0036-8075
起始页码2241
结束页码2244
卷号282期号:5397
英文摘要A Late Cretaceous (92 to 86 million years ago) vertebrate assemblage from the high Canadian Arctic (Axel Heiberg Island) implies that polar climates were warm (mean annual temperature exceeding 14°C) rather than near freezing. The assemblage includes large (2.4 meters long) champsosaurs, which are extinct crocodilelike reptiles. Magmatism at six large igneous provinces at this time suggests that volcanic carbon dioxide emissions helped cause the global warmth.
英文关键词carbon dioxide; arctic environment; Cretaceous; fossil assemblage; paleoclimate; vertebrate; warming; arctic climate; article; carbon dioxide measurement; environmental temperature; fossil; global climate; meteorology; priority journal; radiometry; reptile; vertebrate; volcanic ash; Arctic; Reptilia; Vertebrata
语种英语
来源期刊Science
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/245710
作者单位Dept. of Earth and Environ. Sciences, University of Rochester, Rochester, NY 14627, United States; Roy. Tyrrell Museum of Palaeontology, Drumheller, Alta. TOJ OYO, Canada; Berkeley Geochronology Center, Berkeley, CA 94709, United States; Geological Research Division, Scripps Institution of Oceanography, San Diego, CA 92093-0220, United States
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Tarduno J.A.,Brinkman D.B.,Renne P.R.,et al. Evidence for extreme climatic warmth from late cretaceous arctic vertebrates[J],1998,282(5397).
APA Tarduno J.A.,Brinkman D.B.,Renne P.R.,Cottrell R.D.,Scher H.,&Castillo P..(1998).Evidence for extreme climatic warmth from late cretaceous arctic vertebrates.Science,282(5397).
MLA Tarduno J.A.,et al."Evidence for extreme climatic warmth from late cretaceous arctic vertebrates".Science 282.5397(1998).
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