globalchange  > 气候变化与战略
DOI: 10.1016/j.quascirev.2019.106132
论文题名:
How do sea-level curves influence modeled marine terrace sequences?
作者: de Gelder G.; Jara-Muñoz J.; Melnick D.; Fernández-Blanco D.; Rouby H.; Pedoja K.; Husson L.; Armijo R.; Lacassin R.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2020
卷: 229
语种: 英语
英文关键词: Coastal geomorphology ; Corinth rift ; Global ; Landscape evolution models ; Marine terraces ; Quaternary ; Sea-level changes
Scopus关键词: Hydraulic models ; Sea level ; Tectonics ; Topography ; Corinth rift ; Global ; Landscape evolutions ; Marine terraces ; Quaternary ; Sealevel change ; Curve fitting ; coastal evolution ; geomorphology ; glacioisostasy ; landscape evolution ; Quaternary ; sea level change ; terrace ; Corinth Rift ; Greece ; Ionian Sea ; Mediterranean Sea ; Anthozoa
英文摘要: Sequences of uplifted marine terraces are widespread and reflect the interaction between climatic and tectonic processes at multiple scales, yet their analysis is typically biased by the chosen sea-level (SL) curve. Here we explore the influence of Quaternary SL curves on the geometry of marine terrace sequences using landscape evolution models (LEMs). First, we modeled the young, rapidly uplifting sequence at Xylokastro (Corinth Rift; <240 ka; ∼1.5 mm/yr), which allowed us to constrain terrace ages, model parameters, and best-fitting SL curves. Models that better reproduced the terraced topography used a glacio-isostatically adjusted SL curve based on coral data (for ∼125 ka), and a eustatic SL curve based on ice-sheet models (for ∼240 ka). Second, we explored the opposite end-member of older, slower uplifting sequences (2.6 Ma; 0.1–0.2 mm/yr). We find that cliff diffusion is important to model terrace sequence morphology, and that a hydraulic-model based SL curve reproduced observed terrace morphologies best. Third, we modeled the effect of SL noise with various amplitudes and wavelengths on our interpretations, finding that younger, faster uplifting sequences are less noise-sensitive and thus generally more promising for LEM studies. Our results emphasize the importance of testing a variety of SL-curves within marine terrace studies, and highlight that accurate modeling through LEMs may provide valuable insight on climatic and tectonic forcing to Quaternary coastal evolution. © 2019 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159703
Appears in Collections:气候变化与战略

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作者单位: Université de Paris, Institut de Physique du Globe de Paris, CNRS, Paris, F-75005, France; ISTerre, CNRS, Université Grenoble Alpes, 1381 rue de la Piscine, Saint Martin d'Hères, 38400, France; Institut für Geowissenschaften, Universität Potsdam, Karl-Liebknecht-Strasse 24, Potsdam, 14476, Germany; Instituto de Ciencias de la Tierra, Universidad Austral de Chile, Valdivia, 5111430, Chile; Basins Research Group (BRG), Department of Earth Science & Engineering, Imperial College, Prince Consort Road, London, SW7 2BP, United Kingdom; École Normale Supérieure, Laboratoire de Géologie, UMR, Paris, 8538, France; Laboratoire de Morphodynamique Continentale et Côtière, CNRS, Université de Caen, Caen, 14000, France

Recommended Citation:
de Gelder G.,Jara-Muñoz J.,Melnick D.,et al. How do sea-level curves influence modeled marine terrace sequences?[J]. Quaternary Science Reviews,2020-01-01,229
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