The effect of climate and anthropogenic sea level changes on Israeli coastal aquifers

Yoseph Yechieli, Uri Kafri, Eyal Shalev

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

This review summarizes several aspects related to the effect of climate and anthropogenic sea level changes on the Israeli coastal aquifers of the Mediterranean Sea (rise of ~1 cm/a) and the Dead Sea (drop of ~1 m/a). Numerical simulations show that the effect of global future sea-level rise will depend on the specific configuration of the aquifer and its connection to the sea. An important factor is the coastal topography next to the shoreline, whereby in the case of a steep coastal topography, no significant salinization is expected due to sea-level rise. Reduced recharge due to climate change or over-exploitation of groundwater is also expected to enhance the inland shift of the fresh- saline water interface. A significant fast response of groundwater system to changes in the base levels is observed in the Dead Sea coastal aquifer, both in simulations and in the field. This is exhibited by the drop of the adjacent groundwater levels as well as by the shift of the fresh- saline water interface. Also, in most parts of the Dead Sea aquifer, a fast freshening process is taking place due to the drop of groundwater level and seaward retreat of the interface.

Original languageEnglish
Title of host publicationClimate Change Effects on Groundwater Resources
Subtitle of host publicationA Global Synthesis of Findings and Recommendations
PublisherCRC Press
Pages205-255
Number of pages51
ISBN (Electronic)9780203120767
ISBN (Print)9780415689366
StatePublished - 1 Jan 2011
Externally publishedYes

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