A direct estimate of the initial concentration of 14C in the mountain aquifer of Israel

被引：3
|
作者：
Carmi, I [1 ]
Kronfeld, J
Yechieli, Y
Boaretto, E
Bar-Matthews, M
Ayalon, A
机构：
[1] Tel Aviv Univ, Dept Geophys & Planetary Sci, IL-69978 Tel Aviv, Israel
[2] Geol Survey Israel, IL-95501 Jerusalem, Israel
[3] Weizmann Inst Sci, Dept Environm Sci & Energy Res, IL-76100 Rehovot, Israel
来源：
RADIOCARBON | 2004年 / 46卷 / 02期
关键词：
D O I：
10.1017/S0033822200035554
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Five radiocarbon analyses were performed on 5 different sources within Soreq Cave, which was used as a model for the Judea Group Aquifer of Israel (pMC(q0)). The transit time of rainwater through the roof of the cave to sources within it had been determined with tritium. From this information, the year of deposition of rain on the roof of the cave, which later appeared in one of the sources, was estimated and the atmospheric C-14 concentration at that time was ascertained (pMC(a0)). The parameter Q = pMC(q0)/pMC(a0) was found to be Q = 0.60 0.04. This makes it possible to calculate the age of water in any well in the Judea Group Aquifer of Israel by measuring its C-14 concentration (pMC(q1)) by use ofthe decay equation and applying Q.
引用
收藏
页码：497 / 500
页数：4
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