Saline- versus freshwater contribution to the thermal waters of the northern Jordan Rift Valley, Israel

Arad, Arnon; Bein, Amos

doi:10.1016/0022-1694(86)90183-6

Cited by 37 publications

(25 citation statements)

References 11 publications

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“…The Judea Group regional aquifer is recharged in the nearby Ajlun-Irbid areas, but some contribution from the north is also plausible (Arad and Bein 1986). This is also supported by the fact that both Hammat Gader and the Jordanian water sources exhibit d 18 O values that lie on the local meteoric line, together with (tritium free) late Holocene recharge waters (Bajjali and others 1997).…”

Section: Rb Content and Rrb/rcl Ratiomentioning

confidence: 84%

“…Scopus Group water component, indeed show, as expected, a somewhat higher rF/rCl ratio as compared with other sources with a similar chlorinity. The enrichment of F and the respective higher rF/rCl ratio were attributed, on the other hand, by Arad and Bein (1986) to the thermal nature of the above springs. The Avedat Group aquifer fresh sources exhibit ratios similar to, and even higher (up to 0.024) than those of the Judea Group aquifer sources, being in contact with the underlying Mt.…”

Section: Original Articlementioning

confidence: 89%

“…Springs of the Yarmouk basin The Yarmouk basin requires special attention because it differs geochemically from the other (western) side of the Rift Valley. The geochemistry of the Hammat-Gader springs in the Yarmouk basin was discussed among others by Arad and Bein (1986), Arad and others (1986), Bajjali and others (1997), and Kafri and others (1989a). The hydrogeology of the Hammat-Gader springs and their Rn occurrence was summarized by Kafri and others (1997) as follows:…”

Section: Rb Content and Rrb/rcl Ratiomentioning

confidence: 97%

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Geochemical characterization and pollution phenomena of aquifer waters in northern Israel

Kafri

Lang

Halicz

et al. 2002

Environmental Geology

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Thirty-two springs, draining different aquifers in northern Israel, including fresh as well as brackish water sources, were seasonally sampled for two consecutive years and the water samples analyzed for major as well as trace elements. Based on these analyses, the geochemical parameters, the trace element to Cl ratios, as well as the anomalous concentration of different elements enable the characterization and differentiation of different aquifer waters. In addition, indications were obtained regarding the salinity sources of the brackish waters and the suspected sources of polluted water. Electronic supplementary material to this paper can be obtained by using the Springer LINK server located at http://dx.

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Section: Rb Content and Rrb/rcl Ratiomentioning

confidence: 84%

Section: Original Articlementioning

confidence: 89%

Section: Rb Content and Rrb/rcl Ratiomentioning

confidence: 97%

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Geochemical characterization and pollution phenomena of aquifer waters in northern Israel

Kafri

Lang

Halicz

et al. 2002

Environmental Geology

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“…Based on boron isotopes Vengosh et al (1994) suggested a mixture of 90% freshwater with 10% brine. Arad and Bein (1986) proposed a saline fraction of 5-20% from δ 18 O (-3‰) and chlorine ratios. Nevertheless, Siebert et al (2009) stated that the Tiberias hot springs are "nearly free of freshwater" on the basis of small seasonal variations, low tritium content (0.7 T.U.…”

Section: Hydrogeological Settingmentioning

confidence: 99%

“…1). The eastern springs produce thermal fresh ground waters, the western systems contain thermal saline waters (Arad and Bein, 1986;Hötzl et al, 2009;Siebert, 2005). The springs of the Tabha and the Fluiya groups are characterized by clear seasonal variations in discharge and salinity, while the chloride concentration in the Tiberias springs is nearly constant throughout the year (Gvirtzman et al, 1997;Rimmer et al, 1999).…”

Section: Hydrogeological Settingmentioning

confidence: 99%

Periodic and transient radon variations at the Tiberias hot spring, Israel during 2000^|^ndash;2005

et al. 2011

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Radon has continuously been monitored at the Roman spring of Tiberias, Israel since 2000 in the frame of an earthquake research project. However, there was no apparent earthquake related radon anomaly in 5 years of monitoring. Physical mechanisms behind periodic as well as transient radon variations were investigated. The radon signal contained periodic daily and non-periodic multi-day variations as well as seasonal patterns with maxima during winter. Spectral analysis showed diurnal and semidiurnal periodic constituents while tidal effects were absent. In 2003 the long-term average radon concentration dropped by 35%. Coevally, the diurnal and semi-diurnal radon variability considerably decreased. In contrast, the intensity of large-scale signals, corresponding to multi-day radon variability, increased. At this stage the level of the Kinneret Lake is suspected to be the driving force for the radon drop. Until 2003 the lake level hovered around -214 m below sea-level. In spring 2003 the lake level had risen by 4 m. The distance between the monitoring station and the lake shore is about 50 m. The radon concentration inversely followed the lake level with a time delay of about 3 months. Radon measured at a natural hot spring should depend on the flow rate of the hot water rising on the border faults of the pull-apart basin. Increased flow means less time for radon to decay and thus a positive correlation between the flow rate and the radon concentration is expected. Flow velocity is controlled by (i) the pressure at depth, and (ii) the fracture width. Both are affected by the loading forces of the graben filling to which the water column of the lake contributes. Due to the lack of data about the mass flow rates from the spring, a direct link between the flow rate and the radon concentrations cannot be proven. In fact, the hot water discharge seemed to be very stable in time. So, either minor changes of the flow rate affect the radon concentration or another mechanism is needed to explain the observations, e.g., the pressure-dependent gas solubility or the pressure-dependent mixing of different groundwater components. Nevertheless, this does not explain the appearance of long-periodic, intra-seasonal radon signals (with periods in the order of 1 month) which were practically absent before 2003. Such long-periodic radon signals were not reported till today.

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The Eastern Dead Sea Rift Continental Groundwater Base Level

Kafri

Yechieli

2020

Springer Hydrogeology

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Saline- versus freshwater contribution to the thermal waters of the northern Jordan Rift Valley, Israel

Cited by 37 publications

References 11 publications

Geochemical characterization and pollution phenomena of aquifer waters in northern Israel

Geochemical characterization and pollution phenomena of aquifer waters in northern Israel

Periodic and transient radon variations at the Tiberias hot spring, Israel during 2000^|^ndash;2005

The Eastern Dead Sea Rift Continental Groundwater Base Level

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