Distinct phases of eustatic and tectonic forcing for late Quaternary landscape evolution in southwest Crete, Greece

Vasiliki Mouslopoulou, John Begg, Alexander Fülling, Daniel Moraetis, Panagiotis Partsinevelos, Onno Oncken

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The extent to which climate, eustasy and tectonics interact to shape the late Quaternary landscape is poorly known. Alluvial fans often provide useful indexes that allow the decoding of information recorded on complex coastal landscapes, such as those of the eastern Mediterranean. In this paper we analyse and date (using infrared stimulated luminescence (IRSL) dating) a double alluvial fan system on southwest Crete, an island straddling the forearc of the Hellenic subduction margin, in order to constrain the timing and magnitude of its vertical deformation and discuss the factors contributing to its landscape evolution. The studied alluvial system is exceptional because each of its two juxtaposed fans records individual phases of alluvial and marine incision, thus providing unprecedented resolution in the formation and evolution of its landscape. Specifically, our analysis shows that the fan sequence at Domata developed during Marine Isotope Stage (MIS) 3 due to five distinct stages of marine transgressions and regressions and associated river incision, in response to sea-level fluctuations and tectonic uplift at averaged rates of ∼2.2mmyr-1. Interestingly, comparison of our results with published tectonic uplift rates from western Crete shows that uplift during 20-50 kyr BP was minimal (or even negative). Thus, most of the uplift recorded at Domata must have occurred in the last 20 kyr. This implies that eustasy and tectonism impacted the landscape at Domata over mainly distinct time intervals (e.g. sequentially and not synchronously), with eustasy forming and tectonism preserving the coastal landforms.

Original languageEnglish
Pages (from-to)511-527
Number of pages17
JournalEarth Surface Dynamics
Volume5
Issue number3
DOIs
Publication statusPublished - Sep 8 2017

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Greece
landscape evolution
eustacy
tectonics
fans
uplift
alluvial fan
coastal landform
luminescence dating
marine isotope stage
landforms
transgression
decoding
dating
sea level
subduction
rivers
preserving
climate
regression analysis

ASJC Scopus subject areas

  • Geophysics
  • Earth-Surface Processes

Cite this

Distinct phases of eustatic and tectonic forcing for late Quaternary landscape evolution in southwest Crete, Greece. / Mouslopoulou, Vasiliki; Begg, John; Fülling, Alexander; Moraetis, Daniel; Partsinevelos, Panagiotis; Oncken, Onno.

In: Earth Surface Dynamics, Vol. 5, No. 3, 08.09.2017, p. 511-527.

Research output: Contribution to journalArticle

Mouslopoulou, Vasiliki ; Begg, John ; Fülling, Alexander ; Moraetis, Daniel ; Partsinevelos, Panagiotis ; Oncken, Onno. / Distinct phases of eustatic and tectonic forcing for late Quaternary landscape evolution in southwest Crete, Greece. In: Earth Surface Dynamics. 2017 ; Vol. 5, No. 3. pp. 511-527.
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