Recharge, geochemical processes and water quality in karst aquifers: Central West Bank, Palestine

Jebreen, Hassan; Wohnlich, Stefan; Banning, Andre; Wisotzky, Frank; Niedermayr, Andrea; Ghanem, Marwan

doi:10.1007/s12665-018-7440-4

Cited by 30 publications

(27 citation statements)

References 58 publications

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“…Further, it could also be inferred that alkalinity of the groundwater may be in equilibrium due the presence of alkaline earth metals in the groundwater aquifer of Ellenabad. Analysis of groundwater samples based on Chadha diagram (Chadha, 1999;Jebreen et al, 2018) also suggests that most of the samples fall in the category of alkaline earths and weak acidic anions (Fig. 4), hence groundwater may indicate temporary hardness.…”

Section: Raniamentioning

confidence: 98%

Hydro-chemistry of groundwater in a North Indian city and its suitability assessment for drinking and irrigation purposes

Ravindra¹,

Mor²,

Singh³

et al. 2019

JEB

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Aim :Methodology : Results :Interpretation :The current study aimed to identify the hydro-geological processes that control the groundwater chemistry. Further, groundwater quality was also evaluated for drinking and irrigation purposes.Groundwater samples were collected from a semi-arid region of North India i.e., Ellenabad, Sirsa, Haryana. The samples were analyzed following the American Public Health Association standard methods for the examination of water and wastewater.Most of the groundwater samples of study area fall under hard category. The saline nature of -1 groundwater can be attributed to high concentration of total dissolved salts (340±104 mg l ). Majority of the -1 groundwater samples showed fluoride concentration below the permissible limit of WHO and BIS (1.0 mg l ). Multivariate analysis including sodium absorption ratio was calculated to assess the water quality for irrigation purpose and it was found appropriate for majority of crops, except for sensitive plant species.Potability assessment of groundwater showed that more than 40% samples were unacceptable for drinking purpose without any prior treatment, hence, it is essential to conduct a routine monitoring of groundwater to determine its aptness for drinking, domestic and agriculture purposes.

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Section: Raniamentioning

confidence: 98%

Hydro-chemistry of groundwater in a North Indian city and its suitability assessment for drinking and irrigation purposes

Ravindra¹,

Mor²,

Singh³

et al. 2019

JEB

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“…Detailed lumped parameter modelling of tritium, 36 Cl/Cl and the gas tracers was performed only for the wells Samia 2 and Herodion 1 since only for these there is a consistent data set for all tracers (Table 1). Earlier interpretation of groundwater hydraulics based on groundwater level measurements determined a very fast transfer velocity of the water phase through karst holes to the groundwater table (Jabreen et al, 2018). LPM was therefore done in several steps: first a mean residence time in agreement with measured values for tritium and the bomb-spike of 36 Cl/Cl was derived.…”

Section: Lumped Parameter Modelling: Delay Of Gas Tracer In the Unsatmentioning

confidence: 99%

“…An indication why the tracer-derived recharge values using 2% porosity are unrealistically low comes from the hydrogeology of the karst aquifer itself. The 2% porosity can be attributed to structural fractures and macropores in the limestone, which account for rapid reaction of the groundwater surface to precipitation events (Jabreen et al, 2018). However, according to Equation (5) the tracers are not expected to indicate this flow but they would be retarded by diffusion of tracer into and out of the rock matrix (Maloszewski et al, 2004;Purtschert et al, 2013;Suckow et al, 2019).…”

Section: Recharge Rates and Dual Porositymentioning

confidence: 99%

A multi-environmental tracer study to determine groundwater residence times and recharge in a structurally complex multi-aquifer system

Wilske¹,

Suckow²,

Mallast³

et al. 2019

Preprint

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Abstract. Despite being the main drinking water resource for over five million people, the water balance of the Eastern Mountain Aquifer system on the western side of the Dead Sea is poorly understood. The regional aquifer consists of fractured and karstified limestone – aquifers of Cretaceous age and can be separated in Cenomanian aquifer (upper aquifer) and Albian aquifer (lower aquifer). Both aquifers are exposed along the mountain ridge around Jerusalem, which is the main recharge area. From here, the recharged groundwater flows in a highly karstified aquifer system towards the east, to discharge in springs in the Lower Jordan Valley and Dead Sea region. We investigated the Eastern Mountain Aquifer system on groundwater flow, groundwater age and potential mixtures, and groundwater recharge. We combined 36Cl/Cl, tritium and the anthropogenic gases SF6, CFC-12 and CFC-11, CFC-113 as dating tracers to estimate the young water components inside the Eastern Mountain Aquifer system. By application of lumped parameter models, we verified young groundwater components from the last 10 to 30 years and an admixture of a groundwater component older than about 70 years. Concentrations of nitrate, Simazine® (Pesticide), Acesulfame K® (artificial sweetener) and Naproxen® (drug) in the groundwater were further indications of infiltration during the last 30 years. The combination of multiple environmental tracers and lumped parameter modelling helped to understand the groundwater age distribution and to estimate recharge despite scarce data in this very complex hydrogeological setting. Our groundwater recharge rates support groundwater management of this politically difficult area and can be used to inform and calibrate ongoing groundwater flow models.

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“…The proportion of total variance explained by the extracted factor axes is a function of their The chloro-alkaline index (CAI = Cl − − (Na + + K + )/Cl − ) can be used to assess ion exchange in groundwater and the surrounding environment [48], as in the exchange of Ca 2+ and Mg 2+ in groundwater with Na + and K + studied here [49,50]. The results showed negative index values in more than 90% of samples, indicating Na + and K + enrichment in the study area's groundwater (Figure 5c).…”

Section: Correspondence Analysismentioning

confidence: 99%

Anthropogenic Effects on Hydrogeochemical Characterization of the Shallow Groundwater in an Arid Irrigated Plain in Northwestern China

Wang

et al. 2019

Water

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Many irrigated plains in arid and semi-arid regions have groundwater quality issues due to both intensive human activity and natural processes. Comprehensive studies are urgently needed to explore hydrogeochemical evolutions, investigate possible pollution sources, and understand the controls on groundwater compositions in such regions. Here, we combine geostatistical techniques and hydrogeochemical assessments to characterize groundwater quality over time in the Yinchuan Plain (a typical irrigated plain in China), using 12 physicochemical variables derived from sampling in 600 and 602 wells in 2004 and 2014, respectively. Our results show that groundwater-rock interactions and evaporation are the key natural factors controlling groundwater compositions. Hydrogeochemical water types in both 2004 and 2014 were Ca-HCO3, Na-Cl, and mixed Ca·Mg-Cl. Along with the hydrogeochemical compositions, we used ionic ratios and the saturation index to delineate mineral solution reactions and weathering processes. Dissolution of gypsum, halite, fluorite, and mirabilite, along with silicate weathering and cation exchange, were identified in the study area. Our results indicated rising ion concentrations in groundwater, which could be the result of anthropogenic influences. Increasing total hardness and nitrates over the study period were most likely caused by agricultural activity and the discharge of waste water from human residential areas.

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Recharge, geochemical processes and water quality in karst aquifers: Central West Bank, Palestine

Cited by 30 publications

References 58 publications

Hydro-chemistry of groundwater in a North Indian city and its suitability assessment for drinking and irrigation purposes

Hydro-chemistry of groundwater in a North Indian city and its suitability assessment for drinking and irrigation purposes

A multi-environmental tracer study to determine groundwater residence times and recharge in a structurally complex multi-aquifer system

Anthropogenic Effects on Hydrogeochemical Characterization of the Shallow Groundwater in an Arid Irrigated Plain in Northwestern China

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