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The Yarkon-Taninim Aquifer (Judea Group Israel): What Radiocarbon Can Tell

Published online by Cambridge University Press:  20 June 2019

Joel Kronfeld ,
Israel Carmi  and
Dror Avisar
Joel Kronfeld*
Affiliation:
School of Earth Sciences, Tel-Aviv University, Ramat Aviv 69917, Israel
Israel Carmi
Affiliation:
School of Earth Sciences, Tel-Aviv University, Ramat Aviv 69917, Israel
Dror Avisar
Affiliation:
School of Earth Sciences, Tel-Aviv University, Ramat Aviv 69917, Israel
*
*Corresponding author. Email: [email protected].
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Abstract

Radiocarbon (14C) conclusively demonstrates that the very important Yarkon-Tanininm aquifer, named after the two springs where the drainage presumably occurs, is in actuality two distinct aquifers—Upper and Lower. The springs have higher 14C activities than the exploitation wells that surround them (all drilled into the Upper aquifer). The springs are situated at faults that allow the Lower aquifer water to rise due to its higher pieziometric head and drain along with the Upper aquifer. The Lower aquifer water flows rapidly along a path that includes a karstic system. The Upper aquifer flows more slowly, primarily through a system of cracks in the carbonate aquifer. The Upper aquifer groundwater in the Beer-Sheba extension flows northwards at approximately ~4–7 m/yr.

Keywords

hydrologyradiocarbonwater
Type
Conference Paper
Information
Radiocarbon , Volume 61 , Issue 5: Radiocarbon 2018 Conference Proceedings Trondheim, Norway, June 17–22, 2018 Part 1 of 2 , October 2019 , pp. 1377 - 1385
Copyright
© 2019 by the Arizona Board of Regents on behalf of the University of Arizona 

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Footnotes

Selected Papers from the 23rd International Radiocarbon Conference, Trondheim, Norway, 17–22 June, 2018

References

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