Use of hydrochemistry and isotopes for improving the knowledge of groundwater flow in a semiconfined aquifer system of the Eastern Slavonia (Croatia)

Brkić, Željka; Briški, Maja; Marković, Tamara

doi:10.1016/j.catena.2016.03.010

Cited by 40 publications

(32 citation statements)

References 36 publications

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“…Figure 5. Hydrogeological parameters of the main alluvial aquifers in northern Croatia and the general groundwater flow direction (modified according to Brkić et al, 2010Brkić et al, , 2013Brkić et al, , 2016.…”

Section: Geometry and Lithological Characteristics Of The Quaternary mentioning

confidence: 99%

“…Downstream from Sisak, measurements of the groundwater level have not been established. Occasional measurements of the groundwater levels at several locations in the Lonjsko polje area and eastern Slavonia show that groundwater flows towards the Sava River during most of the year (BRKIĆ et al, 2013;2016) (Fig. 5).…”

Section: The Sava River Valley -A Regional Groundwater Resourcementioning

confidence: 99%

“…The Sava River flows through hypsometrically higher terrain in relation to its hinterland. Due to the thinness of the covering aquitard in some places along the Sava River, the riverbed cuts into the aquifer, thus achieving direct communication between the river and groundwater (BRKIĆ et al, 2016). The piezometer level is held by the Sava water stage.…”

Section: The Sava River Valley -A Regional Groundwater Resourcementioning

confidence: 99%

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The relationship of the geological framework to the Quaternary aquifer system in the Sava River valley (Croatia)

Brkić

2017

Geol Cro

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Data from approximately 500 boreholes and an additional 40 wells for which there is a plausible range of data, facilitate description of the geometry of the Quaternary aquifer and its characteristics respectively, and pretension of the elements of the conceptual hydrogeological model in the Sava River valley. The aquifer heterogeneity is caused by tectonic activity and the depositional environments of the sediments within the valley. In the wider Zagreb area, gravel is the dominant component of the aquifer. Downstream from Zagreb, the aquifer is composed mainly of sand with sporadic intercalations of gravel. An admixture of silt and clay is not uncommon within the sand. The exceptions are alluvial fans that were formed by the right tributaries of the Sava River; gravel with sand is dominant in their lithological composition. The best hydrogeological properties of the aquifer system were registered in the vicinity of the Sava River, so all large pumping sites are located close to the river. The Quaternary aquifer is the main source of the water supply in the Sava River valley. geological framework: the mountain ranges and the narrow intermountain valley. Mt. Medvednica and Mt. Moslovačka gora as well as the Slavonian Mountains (Mt. Papuk, Mt. Krndija, Mt. Psunj, Mt. Požeška and Mt. Dilj) are situated at the north end of the Sava River valley. At the southern end, the valley is bounded by Mt. Žumberak-Samoborsko gorje in Croatia as well as Mt. Prosara, Mt. Motajica and Mt. Majevica in Bosnia and Herzegovina. These mountains were uplifted during the Pliocene epoch and Quaternary period (

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Section: Geometry and Lithological Characteristics Of The Quaternary mentioning

confidence: 99%

Section: The Sava River Valley -A Regional Groundwater Resourcementioning

confidence: 99%

Section: The Sava River Valley -A Regional Groundwater Resourcementioning

confidence: 99%

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The relationship of the geological framework to the Quaternary aquifer system in the Sava River valley (Croatia)

Brkić

2017

Geol Cro

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“…Groundwater discharge occurs primarily through the watercourses and evapotranspiration and, to a much lesser extent, through pumping. Groundwater exploitation amounts to less than 10% of the average groundwater recharge (Brkić, Larva, Marković, & Briški, 2014).…”

Section: Data Collection and Analysismentioning

confidence: 99%

Hydrogeology of the western part of the Drava Basin in Croatia

Brkić

Briški

2018

Journal of Maps

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This paper presents a hydrogeological map of the western part of the Drava Basin in northern Croatia. An area of approximately 660 km 2 is included in the hydrogeological map at a scale of 1:100,000. The map was made using ESRI ArcGIS 10 and ArcMap 10.2.1. This map describes the geometry of the Quaternary aquifer system and its hydrogeological characteristics as well as the distribution of groundwater flow. According to the values of the hydrogeological conductivity, the deposits are classified into a single hydrogeological unit. Approximately 400 boreholes and wells are identified within the map. Five 2D lithological cross-sections and five 3D hydrogeological cross-sections are displayed on the map. The distribution of the covering deposits thickness and the lithological composition of the upper part of the covering deposits are also displayed. According to its hydrogeological characteristics, the Quaternary aquifer system in the study area represents a strategic groundwater resource in Croatia.

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“…Moya et al [6] used multivariate statistical techniques to identify hydrological processes within the Eromanga and Galilee basins, resulting in the recognition of inter-aquifer mixing. Brkić et al [7] used hydrochemical and isotope data to learn groundwater flow and residence time, which explains hydrogeochemical variations in a part of the aquifer system of Eastern Slavonia. Kim et al [8] evaluated the complex hydrogeochemical processes occurring in a salinized aquifer during freshening in the Red River delta aquifer using a multiple end-members mixing model, which successfully found that mixing processes among paleo-seawater, infiltrating rain, and the K-rich groundwater controlled the groundwater chemistry.…”

Section: Introductionmentioning

confidence: 99%

Groundwater Chemistry Regulated by Hydrochemical Processes and Geological Structures: A Case Study in Tongchuan, China

Qian

et al. 2018

Water

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Abstract:Knowledge of hydrochemical processes in groundwater helps to identify the relationship between geochemical processes and groundwater quality as well as to understand the hydrochemical evaluation of groundwater, which is important for the sustainable management of groundwater resources. This study aims to identify the chemical characteristics of groundwater in the area of Tongchuan City, China. A total of 58 groundwater samples were collected. A hierarchical cluster analysis divided samples into three clusters and six sub-clusters (cluster 1a, 1b, 2a, 2b, 3a, 3b) according to hydrochemical facies. Graphical plots of multiple ionic ratios, saturation indices, and ion exchange indices were employed to examine hydrochemical processes that result in different hydrochemical facies of each cluster. Results show the predominance of carbonate and silicate weathering in cluster 1, silicate weathering in cluster 2, and carbonate weathering in cluster 3. Ionic exchange is a ubiquitous process among all clusters. The distribution of clusters is related to the regional geology, which may result in different hydrochemical processes. Two stratigraphic sections identify the differences in hydrochemical processes resulting from complex stratum structures and varied aquifer media. Cluster 2a shows an interesting difference in water chemistry along the groundwater flow path. Further study by oxygen and hydrogen isotope indicated that mixing between Quaternary and the Permian aquifers resulting from faulting is the main reason for the distinctive characteristic of cluster 2a.

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Use of hydrochemistry and isotopes for improving the knowledge of groundwater flow in a semiconfined aquifer system of the Eastern Slavonia (Croatia)

Cited by 40 publications

References 36 publications

The relationship of the geological framework to the Quaternary aquifer system in the Sava River valley (Croatia)

The relationship of the geological framework to the Quaternary aquifer system in the Sava River valley (Croatia)

Hydrogeology of the western part of the Drava Basin in Croatia

Groundwater Chemistry Regulated by Hydrochemical Processes and Geological Structures: A Case Study in Tongchuan, China

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