气候变化领域集成服务门户(CCPortal): Towards interactive global paleogeographic maps, new reconstructions at 60, 40 and 20 Ma

CCPortal

DOI	10.1016/j.earscirev.2021.103508
	Towards interactive global paleogeographic maps, new reconstructions at 60, 40 and 20 Ma
	Poblete F.; Dupont-Nivet G.; Licht A.; van Hinsbergen D.J.J.; Roperch P.; Mihalynuk M.G.; Johnston S.T.; Guillocheau F.; Baby G.; Fluteau F.; Robin C.; van der Linden T.J.M.; Ruiz D.; Baatsen M.L.J.
发表日期	2021
ISSN	00128252
卷号	214
英文摘要	Paleogeographic maps are essential tools for understanding Earth system dynamics. They provide boundary conditions for climate and geodynamic modelling, for analysing surface processes and biotic interactions. However, the temporal and spatial distribution of key features such as seaways and mountain belts that govern climate changes and biotic interchange differ between various paleogeographies that require regular updates with new data and models. We developed a reproducible and systematic approach to paleogeographic reconstruction and provide a set of worldwide Cenozoic paleogeographic maps at 60, 40 and 20 Ma. We followed a six-stage methodology that integrates an extensive review of geological data into a coherent plate tectonic model using the open source software GPlates. (1) We generated a global plate kinematic model, and reconstructed intensely-deformed plate boundaries using a review of structural, paleomagnetic and other geologic data in six key regions: the Andes, the North American Cordillera, the Scotia Arc, Africa, the Mediterranean region and the Tibetan-Himalayan collision zone. (2) We modified previously published paleobathymetry in several regions where continental and oceanic crust overlap due to differences in the plate models. (3) We then defined paleoshorelines using updated fossil and geologic databases to locate the terrestrial to marine transition. (4) We applied isostatic compensation in polar regions and global eustatic sea level adjustments. (5) Paleoelevations were estimated using a broad range of data including thermochronology and stable isotopes, combined with paleobotanical (mostly pollen and leaf physiognomy), structural and geomorphological data. We address ongoing controversies on the mechanisms and chronology of India-Asia collision by providing alternate reconstructions for each time slice. We finally discuss the implications of our reconstructions on the Cenozoic evolution of continental weatherability and review methodological limitations and potential improvements. Future addition of new data, tools and reconstructions can be accommodated through a dedicated interactive website tool (https://map.paleoenvironment.eu/) that enables users to interactively upload and download data and compare with other models, and generate their own plots. Our aim is to regularly update the models presented here with new data as they become available. © 2021 Elsevier B.V.
关键词	Cenozoic Eocene-Oligocene transition paleoclimate Paleoelevation Paleogeographic maps Tibetan-Himalayan orogen
英文关键词	Cenozoic; elevation; Eocene-Oligocene boundary; geological mapping; Himalayan orogeny; paleoclimate; paleogeography; reconstruction; Andes; Antarctica; Mediterranean Region; North American Cordillera; Scotia Arc
语种	英语
来源期刊	Earth Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/204115
作者单位	Géosciences Rennes, UMR CNRS 6118, Rennes, Rennes Cedex, 35042, France; Departamento de Geología, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Chile; Universität Potsdam, Institute of Geoscience, Potsdam, 14476, Germany; Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement (Cerege), UMR CNRS 7330, Aix-en-Provence, 13545, France; Department of Earth Sciences, Utrecht University, Princetonlaan 8a, Utrecht, 3584 CB, Netherlands; British Columbia Geological Survey, Vancouver, Canada; Department of Earth and Atmospheric Sciences, University of Alberta, Canada; Université de Paris, Institut de physique du globe de Paris, CNRS, Paris, F-75005, France; Thomas van Der Linden – LinGeo, Berlin, Germany; IMAU, Utrecht University, Princetonplein 5, Utrecht, 3584CC, Netherlands
推荐引用方式 GB/T 7714	Poblete F.,Dupont-Nivet G.,Licht A.,等. Towards interactive global paleogeographic maps, new reconstructions at 60, 40 and 20 Ma[J],2021,214.
APA	Poblete F..,Dupont-Nivet G..,Licht A..,van Hinsbergen D.J.J..,Roperch P..,...&Baatsen M.L.J..(2021).Towards interactive global paleogeographic maps, new reconstructions at 60, 40 and 20 Ma.Earth Science Reviews,214.
MLA	Poblete F.,et al."Towards interactive global paleogeographic maps, new reconstructions at 60, 40 and 20 Ma".Earth Science Reviews 214(2021).