气候变化领域集成服务门户(CCPortal): Evolution of alluvial mudrock forced by early land plants

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DOI	10.1126/science.aan4660
	Evolution of alluvial mudrock forced by early land plants
	McMahon W.J.; Davies N.S.
发表日期	2018
ISSN	0036-8075
起始页码	1022
结束页码	1024
卷号	359 期号:6379
英文摘要	Mudrocks are a primary archive of Earth's history from the Archean eon to recent times, and their source-to-sink production and deposition play a central role in long-term ocean chemistry and climate regulation. Using original and published stratigraphic data from all 704 of Earth's known alluvial formations from the Archean eon (3.5 billion years ago) to the Carboniferous period (0.3 billion years ago), we prove contentions of an upsurge in the proportion of mud retained on land coeval with vegetation evolution. We constrain the onset of the upsurge to the Ordovician-Silurian and show that alluvium deposited after land plant evolution contains a proportion of mudrock that is, on average, 1.4 orders of magnitude greater than the proportion contained in alluvium from the preceding 90% of Earth's history. We attribute this shift to the ways in which vegetation revolutionized mud production and sediment flux from continental interiors. © 2018 The Authors, some rights reserved.
英文关键词	alluvial deposit; Archean; atmospheric chemistry; Carboniferous; climate variation; flux measurement; mudstone; Ordovician-Silurian boundary; source-sink dynamics; Archean; Article; Carboniferous; Devonian; Embryophyta; evolution; Middle Devonian; mudrock; nonhuman; Ordovician; Paleozoic; priority journal; rock; sediment; sedimentation; Silurian; stratigraphy; Upper Devonian; Upper Ordovician; vegetation; article; plant evolution; Embryophyta
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/244718
作者单位	Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom
推荐引用方式 GB/T 7714	McMahon W.J.,Davies N.S.. Evolution of alluvial mudrock forced by early land plants[J],2018,359(6379).
APA	McMahon W.J.,&Davies N.S..(2018).Evolution of alluvial mudrock forced by early land plants.Science,359(6379).
MLA	McMahon W.J.,et al."Evolution of alluvial mudrock forced by early land plants".Science 359.6379(2018).