Impact of Late Quaternary climatic fluctuations on coastal systems: Evidence from high-resolution geophysical, sedimentological and geochronological data from the Java Island

Type Article
Date 2022-02
Language English
Author(s) Novico Franto1, 2, Menier DavidORCID3, Mathew ManojORCID4, Ramkumar Mu5, Santosh M.6, 7, Endyana CiptaORCID1, Dewi Kresna Tri8, Kurniawan Indra9, Lambert Clement3, Goubert Evelyne3, Hendarmawan 1
Affiliation(s) 1 : Department of Engineering Geology, Padjadjaran University, 45363, Jatinangor, Indonesia
2 : Marine Geological Research and Development Center, Ministry of Energy and Mineral Resources, 40174, Bandung, Indonesia
3 : Laboratoire Géoscience Océan, UMR CNRS 6538, Université Bretagne Sud, 56017, Vannes, France
4 : Laboratoire Géoscience Océan, UMR CNRS/UBO/UBS 6538, IUEM, Université de Brest, 29280, Plouzané, France
5 : Department of Geology, Periyar University, 636011, Salem, India
6 : Department of Earth Sciences, University of Adelaide, Adelaide, SA, 5005, Australia
7 : Beijing School of Earth Sciences and Resources, China University of Geosciences, 100083, Beijing, China
8 : Center of Geological Survey, Ministry of Energy and Mineral Resources, 40122, Bandung, Indonesia
9 : Directorate of Water Resources, Ministry of Public Works and Housing, 12110, Jakarta, Indonesia
Source Marine And Petroleum Geology (0264-8172) (Elsevier Sci Ltd), 2022-02 , Vol. 136 , P. 105399 (14p.)
DOI 10.1016/j.marpetgeo.2021.105399
WOS© Times Cited 1
Keyword(s) Last glacial maximum, Java sea, Incised valleys, Depositional controls, Stratal morphology
Abstract

The major climatic oscillations during the Quaternary Period significantly influenced the evolution and distribution of ancient and modern coastal systems. Here we investigate the morphology and sedimentary infilling of submerged Late Quaternary incised valleys along the northern coast of Java Island (Indonesia) using highresolution geophysical, sedimentological and geochronological data. Our results indicate that the spatial development and morphology of the incised valleys are predominantly controlled by Quaternary glacial-interglacial eustatic fluctuations, within a marked subsiding setting. The valleys were incised during prominent Quaternary lowstands and most of the valley fill was emplaced during the last postglacial sea level rise. The valley fill forms a transgressive succession, consisting mainly of fluvial deposits at the base (possibly amalgamated from older sequences) overlain by shallow marine sediments and capped by hemipelagic deposits. The valley-fill architecture is strongly dependent on the valley morphology (depth of incision, width of the valleys, and extent of the intertidal zone). The shallow marine deposits contained within the narrow and linear valleys are mostly aggrading muds. The vertical incision and valley formation was chiefly controlled by the extent of glacial sea-level fluctuations. The studied sections represent the continental-offshore extension of a paleodeltaic system. The implication of our work is that even in predominantly enclosed shallow marine systems that are located distal to the shelf break, the response of the sedimentary system and ensuing stratigraphic configuration can be effectively impacted by the rapid and abrupt Quaternary global climatic transition and eustatic sea-level fluctuations.

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Novico Franto, Menier David, Mathew Manoj, Ramkumar Mu, Santosh M., Endyana Cipta, Dewi Kresna Tri, Kurniawan Indra, Lambert Clement, Goubert Evelyne, Hendarmawan (2022). Impact of Late Quaternary climatic fluctuations on coastal systems: Evidence from high-resolution geophysical, sedimentological and geochronological data from the Java Island. Marine And Petroleum Geology, 136, 105399 (14p.). Publisher's official version : https://doi.org/10.1016/j.marpetgeo.2021.105399 , Open Access version : https://archimer.ifremer.fr/doc/00865/97716/