气候变化领域集成服务门户(CCPortal): Using provenance analysis in an Anthropocene natural laboratory

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DOI	10.1016/j.quascirev.2019.105890
	Using provenance analysis in an Anthropocene natural laboratory
	Sickmann Z.T.; Chheda T.D.; Capaldi T.N.; Thomson K.D.; Paull C.K.; Graham S.A.
发表日期	2019
ISSN	0277-3791
卷号	221
英文摘要	Globally, anthropogenic perturbations to sediment dispersal systems produce detrital signals that are evident in the recent sedimentary record. We review the study of anthropogenic perturbations to sediment dispersal systems from the perspective of detrital signals and discuss the use of provenance analysis in Anthropocene sedimentology. Anthropocene provenance analysis is illustrated by a case study from the Monterey Bay Sediment Dispersal System (MBDS) of coastal and offshore central California, U.S.A. The MBDS records two phases of alterations to sediment flux, an early increase in fine flux recognized in increased sedimentation rates and a later decrease in coarse flux recognized in detrital provenance signatures. Results from the MBDS suggest that a multi-methodological approaches employing provenance analysis, and detailed, short-timescale (102–104 yr) depositional chronology markers combined with the study of other Anthropocene indicators like the introduction of non-natural detritus are valuable tools for describing natural sedimentary processes in addition to human alterations to natural systems. The recognition and description of such perturbations to sediment supply is increasingly recognized as an important variable in understanding the effects of human-driven landscape alteration, particularly in the face of a changing climate. The broad concepts and approach outlined in this study provide tools that can extend environmental observations past the period of historical record and can be used to understand past, and predict future, impacts of altered sediment flux in response to drivers like climate change and sea level rise. © 2019 Elsevier Ltd
语种	英语
scopus关键词	Offshore oil well production; Sea level; Sedimentology; Sediments; Environmental observation; Methodological approach; Natural laboratories; Provenance analysis; Sediment dispersal; Sedimentary process; Sedimentary records; Sedimentation rates; Climate change; Anthropocene; anthropogenic effect; climate change; historical record; laboratory method; provenance; sediment transport; sedimentology; California; Monterey Bay; United States
来源期刊	Quaternary Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/151767
作者单位	Institute for Geophysics, Jackson School of Geosciences, University of Texas at AustinTX 78758, United States; Department of Geological Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305, United States; Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, TX 78712, United States; Monterey Bay Aquarium Research Institute, Moss LandingCA 95039, United States
推荐引用方式 GB/T 7714	Sickmann Z.T.,Chheda T.D.,Capaldi T.N.,et al. Using provenance analysis in an Anthropocene natural laboratory[J],2019,221.
APA	Sickmann Z.T.,Chheda T.D.,Capaldi T.N.,Thomson K.D.,Paull C.K.,&Graham S.A..(2019).Using provenance analysis in an Anthropocene natural laboratory.Quaternary Science Reviews,221.
MLA	Sickmann Z.T.,et al."Using provenance analysis in an Anthropocene natural laboratory".Quaternary Science Reviews 221(2019).