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New perspectives on coastal landscape reconstruction during the Late Quaternary: a test case from central Israel

New perspectives on coastal landscape reconstruction during the Late Quaternary: a test case from central Israel
New perspectives on coastal landscape reconstruction during the Late Quaternary: a test case from central Israel
The stratigraphic architecture of coastal plains is determined by the interactions between local (e.g. fluvial processes and topography), regional (e.g. climate) and global (e.g. sea level) forcing factors, primarily during the Late Quaternary Period. Detailed stratigraphic and sedimentological analyses of boreholes, cored between coastal ridges in the lowlands, coupled with optically stimulated luminescence (OSL) dating, and integrated with existing onshore and offshore databases, has enabled a 4-D reconstruction of the evolution of the coast of Israel during the last glacial-interglacial cycle. This model revealed that Nilotic-sourced littoral sand, intermittently transported inland by wind, has either been lithified into aeolianite or pedogenized into orange–brown palaeosol from about 100 ka to 8 ka. Dark silty clay wetlands were deposited between the aeolian coastal ridges adjacent to streams which cut the Israeli coastal plain and flow westward, from the Last Glacial Maximum until the onset of the Holocene. These units are topped by beach and aeolian quartz sand dated to 6.6–0.1 ka. Diachronous thicknesses and lithological dissimilarities were identified between the sections studied and previous reports on adjacent coastal aeolianite ridges. Streams were found to be a dominant control on the stratigraphical composition and related facies architecture due to fluvial-induced erosion. Consequently, the relief variations between the lowland and cliff controlled aeolian pedogenesis as well as alluvial processes from about 80 to 5 ka. Climate, mainly influenced by precipitation and dust input, induced pedogenic processes; while sea level lowstand during the Last Glacial Maximum is shown to have hindered sediment deposition in the shallow offshore, which in turn affected aeolian transport, reducing sediment accumulation on the palaeo-coastal plain. The palaeoenvironmental model presented in the current study serves as an example for understanding the evolution of similar low-latitude siliciclastic-rich low-gradient shelf-coastal areas during the last glacial-interglacial cycle. Furthermore, it demonstrates the influence of local to global forcing factors on these environments.
1872-616x
503-519
Shtienberg, Gilad
e6fe71a5-00f1-4349-a0aa-75cbec5f60a3
Dix, Justin K.
efbb0b6e-7dfd-47e1-ae96-92412bd45628
Roskin, Joel
e5bc7892-eea4-4f51-8f65-509534ac7c54
Waldmann, Nicolas
e0677af4-c46b-4de1-9339-83202c101d52
Bookman, Revital
ea312479-1926-40b0-8818-fb65adb06ecb
Bialik, Or M.
388d001f-d542-4426-92a8-f9572c588e9e
Porat, Naomi
979a3cbe-9148-4b71-abb8-26682f04439c
Taha, Nimer
9f46b04c-a1ea-4203-a411-7a721bf06e06
Sivan, Dorit
4a0c96d8-ac68-47c5-999d-bb7053e5f709
Shtienberg, Gilad
e6fe71a5-00f1-4349-a0aa-75cbec5f60a3
Dix, Justin K.
efbb0b6e-7dfd-47e1-ae96-92412bd45628
Roskin, Joel
e5bc7892-eea4-4f51-8f65-509534ac7c54
Waldmann, Nicolas
e0677af4-c46b-4de1-9339-83202c101d52
Bookman, Revital
ea312479-1926-40b0-8818-fb65adb06ecb
Bialik, Or M.
388d001f-d542-4426-92a8-f9572c588e9e
Porat, Naomi
979a3cbe-9148-4b71-abb8-26682f04439c
Taha, Nimer
9f46b04c-a1ea-4203-a411-7a721bf06e06
Sivan, Dorit
4a0c96d8-ac68-47c5-999d-bb7053e5f709

Shtienberg, Gilad, Dix, Justin K., Roskin, Joel, Waldmann, Nicolas, Bookman, Revital, Bialik, Or M., Porat, Naomi, Taha, Nimer and Sivan, Dorit (2017) New perspectives on coastal landscape reconstruction during the Late Quaternary: a test case from central Israel. Palaeogeography, Palaeoclimatology, Palaeoecology, 468, 503-519. (doi:10.1016/j.palaeo.2016.12.045).

Record type: Article

Abstract

The stratigraphic architecture of coastal plains is determined by the interactions between local (e.g. fluvial processes and topography), regional (e.g. climate) and global (e.g. sea level) forcing factors, primarily during the Late Quaternary Period. Detailed stratigraphic and sedimentological analyses of boreholes, cored between coastal ridges in the lowlands, coupled with optically stimulated luminescence (OSL) dating, and integrated with existing onshore and offshore databases, has enabled a 4-D reconstruction of the evolution of the coast of Israel during the last glacial-interglacial cycle. This model revealed that Nilotic-sourced littoral sand, intermittently transported inland by wind, has either been lithified into aeolianite or pedogenized into orange–brown palaeosol from about 100 ka to 8 ka. Dark silty clay wetlands were deposited between the aeolian coastal ridges adjacent to streams which cut the Israeli coastal plain and flow westward, from the Last Glacial Maximum until the onset of the Holocene. These units are topped by beach and aeolian quartz sand dated to 6.6–0.1 ka. Diachronous thicknesses and lithological dissimilarities were identified between the sections studied and previous reports on adjacent coastal aeolianite ridges. Streams were found to be a dominant control on the stratigraphical composition and related facies architecture due to fluvial-induced erosion. Consequently, the relief variations between the lowland and cliff controlled aeolian pedogenesis as well as alluvial processes from about 80 to 5 ka. Climate, mainly influenced by precipitation and dust input, induced pedogenic processes; while sea level lowstand during the Last Glacial Maximum is shown to have hindered sediment deposition in the shallow offshore, which in turn affected aeolian transport, reducing sediment accumulation on the palaeo-coastal plain. The palaeoenvironmental model presented in the current study serves as an example for understanding the evolution of similar low-latitude siliciclastic-rich low-gradient shelf-coastal areas during the last glacial-interglacial cycle. Furthermore, it demonstrates the influence of local to global forcing factors on these environments.

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New perspectives on coastal landscape reconstruction during the Late Quaternary-A test case from central Israel - Accepted Manuscript
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Accepted/In Press date: 22 December 2016
e-pub ahead of print date: 7 January 2017
Published date: 15 February 2017
Organisations: Geology & Geophysics, Ocean and Earth Science

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Local EPrints ID: 406530
URI: http://eprints.soton.ac.uk/id/eprint/406530
ISSN: 1872-616x
PURE UUID: 7d843a4b-7048-4439-9964-dc51c7a6751b

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Date deposited: 18 Mar 2017 02:22
Last modified: 28 Apr 2022 06:01

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Contributors

Author: Gilad Shtienberg
Author: Justin K. Dix
Author: Joel Roskin
Author: Nicolas Waldmann
Author: Revital Bookman
Author: Or M. Bialik
Author: Naomi Porat
Author: Nimer Taha
Author: Dorit Sivan

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