气候变化领域集成服务门户(CCPortal): Sustained mid-Pliocene warmth led to deep water formation in the North Pacific

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DOI	10.1038/s41561-022-00978-3
	Sustained mid-Pliocene warmth led to deep water formation in the North Pacific
	Ford, H. L.; Burls, N. J.; Jacobs, P.; Jahn, A.; Caballero-Gill, R. P.; Hodell, D. A.; Fedorov, A., V
发表日期	2022
ISSN	1752-0894
EISSN	1752-0908
起始页码	658
结束页码	+
卷号	15 期号:8 页码:16
英文摘要	Marine carbon isotope patterns point to substantial deep water formation in the North Pacific during the mid-Pliocene Warm Period, according to a synthesis of carbon isotope records and isotope-enabled climate modelling. Geologic intervals of sustained warmth such as the mid-Pliocene Warm Period can inform our understanding of future climate change, including the long-term consequences of oceanic uptake of anthropogenic carbon. Here we generate carbon isotope records and synthesize existing records to reconstruct the position of water masses and determine circulation patterns in the deep Pacific Ocean. We show that the mid-depth carbon isotope gradient in the North Pacific was reversed during the mid-Pliocene compared with today, which implies water flowed from north to south and deep water probably formed in the subarctic North Pacific Deep Water. An isotopically enabled climate model that simulates this North Pacific Deep Water reproduces a similar carbon isotope pattern. Modelled levels of dissolved inorganic carbon content in the North Pacific decrease slightly, although the amount of carbon stored in the ocean actually increases by 1.6% relative to modern due to an increase in dissolved inorganic carbon in the surface ocean. Although the modelled Pliocene ocean maintains a carbon budget similar to the present, the change in deep ocean circulation configuration causes pronounced downstream changes in biogeochemistry.
学科领域	Geosciences, Multidisciplinary
语种	英语
WOS研究方向	Geology
WOS记录号	WOS:000825177800001
来源期刊	NATURE GEOSCIENCE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/272487
作者单位	University of London; Queen Mary University London; University of Cambridge; George Mason University; George Mason University; National Aeronautics & Space Administration (NASA); NASA Goddard Space Flight Center; University of Colorado System; University of Colorado Boulder; University of Colorado System; University of Colorado Boulder; Yale University
推荐引用方式 GB/T 7714	Ford, H. L.,Burls, N. J.,Jacobs, P.,et al. Sustained mid-Pliocene warmth led to deep water formation in the North Pacific[J],2022,15(8):16.
APA	Ford, H. L..,Burls, N. J..,Jacobs, P..,Jahn, A..,Caballero-Gill, R. P..,...&Fedorov, A., V.(2022).Sustained mid-Pliocene warmth led to deep water formation in the North Pacific.NATURE GEOSCIENCE,15(8),16.
MLA	Ford, H. L.,et al."Sustained mid-Pliocene warmth led to deep water formation in the North Pacific".NATURE GEOSCIENCE 15.8(2022):16.