globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2016.08.026
Scopus记录号: 2-s2.0-84983731367
论文题名:
A geochemical and sedimentological perspective of the life cycle of Neapolis harbor (Naples, southern Italy)
作者: Delile H.; Goiran J.-P.; Blichert-Toft J.; Arnaud-Godet F.; Romano P.; Bravard J.-P.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2016
卷: 150
起始页码: 84
结束页码: 97
语种: 英语
英文关键词: Alluvial fans ; Ancient harbor basin ; Flash floods ; Geochemistry ; Neapolis ; Paleo-tsunami ; Sheet floods
Scopus关键词: Catchments ; Deposits ; Excavation ; Geochemistry ; Life cycle ; Stratigraphy ; Tsunamis ; Volcanoes ; Water levels ; Alluvial fans ; Archaeological excavations ; Environmental change ; Environmental instability ; Flash flood ; Harbor basins ; Neapolis ; Sedimentological analysis ; Floods ; alluvial fan ; archaeological evidence ; catchment ; coastal lagoon ; environmental change ; flash flood ; flood deposit ; geochemistry ; harbor ; life cycle analysis ; Medieval ; paleochannel ; paleoenvironment ; tsunami ; water column ; water level ; Campania [Italy] ; Greece ; Italy ; Laconia ; Naples ; Napoli [Campania] ; Neapolis ; Peloponnisos ; Vesuvius
英文摘要: Since the discovery of the ancient harbor of Naples in 2004 during construction work on an underground railway, geoarchaeological studies undertaken on the archaeological excavation have revealed the main stratigraphic and paleo-environmental levels of the harbor site near the Piazza Municipio. However, knowledge of the dynamics and paleo-environmental changes in the water column of the harbor, as well as the processes of transport and deposition of sediments that led to siltation and infilling of the harbor basin, has been lacking due to the absence of high-resolution data. To fill these gaps, we have undertaken a three-dimensional study (longitudinal, transverse and vertical) of the harbor deposits by carrying out geochemical and sedimentological analyses of four stratigraphic sections of the archaeological excavation. The results show that after a phase of relative calm during the first half of the 1st c. AD, siltation of the harbor progressed exponentially up to the 5th c. AD, when dredging operations were carried out to obtain a water level sufficient for the development of maritime and harbor activities. We attribute this acceleration of siltation to a combination of climatic, anthropic and volcanic factors. Volcanic activity was responsible for a high-energy, tsunami-type event during the eruption of Vesuvius in 79 AD. From the 5th c. AD onwards, the harbor basin of Neapolis does not appear to have been functional as evidenced by its transformation into a lagoon following coastal progradation. The last stage of infilling was the development of a flood-dominated fan delta under the combined influences of climatic cooling in the Early Medieval Cool Period and agro-pastoral activities in the catchment area of the harbor. Several generations of paleo-channels, containing flash flood deposits, as well as sheet wash from sheet floods, are indicative of high environmental instability in this period. © 2016 Elsevier Ltd
资助项目: We are grateful to the Soprintendenza Speciale per I Beni Archeologici di Napoli e Pompei for giving us access since 2011 to the sedimentary sections in the archaeological excavation of the ancient harbor of Naples and the use of the photo in Fig. 1 of the local harbor stratigraphy. We thank Daniela Giampaola and Vittoria Carsana for critical information on harbor basin stratigraphy. We further thank the Center Jean Bérard, linked to the Ecole Française de Rome and the CNRS, for providing accommodations during our field work in Naples. We also thank the Institut National des Sciences de l'Univers and the Institut National Ecologie et Environnement for providing support for the analytical work done at, respectively, ENS Lyon and the OMEEA laboratory, and The Young Scientist Program of the Agence Nationale de la Recherche (ANR 2011 JSH3 002 01) and the Roman Mediterranean Ports program (ERC) (102705) for logistical and financial support.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59436
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作者单位: Maison de l'Orient et de la Méditerranée, CNRS UMR 5133, Lyon Cedex 7, France; Department of Archaeology, University of Southampton, Avenue Campus, Southampton, United Kingdom; Ecole Normale Supérieure de Lyon, Université Claude Bernard-Lyon I, CNRS UMR 5276, Lyon, France; Dipartimento di Scienze della Terra, dell'Ambiente e delle Risorse, Università di Napoli Federico II, Largo S. Marcellino 10, Naples, Italy; University Lumiere-Lyon 2, France

Recommended Citation:
Delile H.,Goiran J.-P.,Blichert-Toft J.,et al. A geochemical and sedimentological perspective of the life cycle of Neapolis harbor (Naples, southern Italy)[J]. Quaternary Science Reviews,2016-01-01,150
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