Beachrock Morphology along the Mediterranean Coast of Israel: Typological Classification of Erosion Features

Amir Bar, Revital Bookman, Ehud Galili, Dov Zviely

Research output: Contribution to journalArticlepeer-review

Abstract

Beachrock is composed of intertidal-associated sediments, rapidly cemented by calcium carbonate, and has important implications for understanding coastal morphological processes. This study focuses on the morphodynamic erosion patterns of Late Holocene beachrock outcrops along the Mediterranean coast of Israel that have formed since the sea reached its present level about 4000 years ago. Exposed beachrock is subjected to erosion, affecting its seaward and landward facing fronts and upper surface, and creating distinct morphological features due to wave pounding and coastal currents which remove unconsolidated sediment supporting layers. The current state of beachrock morphology is presented, based on field measurements and field relation interpretations of selected sites, backed by petrographic and sedimentological data. It shows and studies selected beachrock exposures along Israel’s coast, and characterizes their morphological features in various field-relation configurations. A classification is developed of the main erosion patterns of beachrock embedded on loose, hard, partly hard and partly loose substrate.

Original languageEnglish
Article number1571
JournalJournal of Marine Science and Engineering
Volume10
Issue number11
DOIs
StatePublished - Nov 2022

Bibliographical note

Publisher Copyright:
© 2022 by the authors.

Keywords

  • beachrock weathering
  • coastal erosion
  • coastal morphology
  • Holocene sea level
  • Israeli coast
  • rocky platforms
  • sandy beach

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Water Science and Technology
  • Ocean Engineering

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