The effect of weathering in the Buyukmelen River basin on the geochemistry of suspended and bed sediments and the hyrogeochemical characteristics of river water, Duzce, Turkey

Pehlivan, Rüstem

doi:10.1016/j.jseaes.2010.02.011

Cited by 23 publications

(7 citation statements)

References 31 publications

(31 reference statements)

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“…About 42% of residents in the watershed live in urban areas. The hardrock metal composition varies in the watershed and is estimated to be 0.2–63 mg/kg As, 10–670 mg/kg Ba, 0.02–1.43 mg/kg Cd, 8–192 mg/kg Cr, 5.5–927 mg/kg Ni and 4–128 mg/kg Zn . The region has geothermal groundwater, as the Efteni and Derdin low‐temperature geothermal areas are located in the south‐west of the Melen watershed, at the contact line of Eocene Volcanics and alluvium created by displacements of the Düzce Fault.…”

Section: Introductionmentioning

confidence: 99%

Seasonal and Spatial Variations of Metals in Melen Watershed Groundwater, Turkey

Çelebi

Şengörür

Kløve

2014

CLEAN Soil Air Water

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Effective groundwater monitoring and status assessment is vital in the management and protection of groundwater systems according to e.g., the European Groundwater Directive. This study determined metal concentrations in groundwater in the Melen watershed close to Istanbul and assessed land use effects on groundwater status. In the monitoring period (2010)(2011), elevated metal concentrations were observed in regions close to industrial zones and seasonally in agricultural fields. The highest values of metals (As, Mn, Zn, V, Cu, Na and Ba) concentrations were found in autumn and winter, when groundwater recharge occurs. Detectable levels of dissolved metals, such as Cr and Cd, were only found close to industrial zones. The aquifer can be considered to be in good qualitative status regarding some metals. However, As, Mn and Zn are present in concentrations higher than approved by international standards and pose a risk to human health. Therefore, measures to prevent metal contamination close to potential sources and good watershed management are needed.

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Section: Introductionmentioning

confidence: 99%

Seasonal and Spatial Variations of Metals in Melen Watershed Groundwater, Turkey

Çelebi

Şengörür

Kløve

2014

CLEAN Soil Air Water

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“…It was determined based on the geochemistry of the suspended and bed sediments that some rocks in the Buyuk Melen Watershed Basin were greywacke and literanite before they were exposed to weathering [8,9].…”

Section: Geological Settingmentioning

confidence: 99%

Determination by Landsat Satellite Imagery to Local Scales in Land and Pollution Monitoring: a Case of Buyuk Melen Watershed (Turkey)

Barut¹,

Citiroglu²,

Oruç³

et al. 2015

J. sustain. dev. energy water environ. syst.

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Buyuk Melen Watershed provides drinking water from the Western Black Sea region to Istanbul province, which Buyuk and Kucuk Melen rivers, Asar, Ugur and Aksu rivers. Many settlement areas, fertilized agricultural lands, industrial plants and solid/liquid waste dumping areas have present in Melen watershed, causing substantial pollution problems. Melen watershed has been at a serious risk of pollution that a lot of settlement areas, agricultural lands, industrial facilities, and solid and liquid waste. In this study, LANDSAT satellite data was used to monitor the status of this area on the potential of the region studied. In the watershed change of

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“…The North Anatolian Fault is one of the most important tectonic features of the North Anatolian Fault Zone system, which is an active, right lateral strike-slip fault approximately 1200 km long which separates the Eurasian continental plate from the Anatolian sub-plate [15].…”

Section: Structural Geologymentioning

confidence: 99%

“…As a result of the research on hydrogeochemistry in the Buyukmelen River basin conducted by [15], it was determined in soil samples produced by physical weathering of agglomerate, basalt, andesite, volcanic sandstone and graywacke, which are the sources of ions such as Fe 2+ , Al 3+ and Mn 2+ , that the water-rock interaction is more effective during the rainy periods.…”

Section: Introductionmentioning

confidence: 99%

Effect of Talus Deposit Excavations on Hydrogeochemical Characteristics of Kuvars Spring Water, Maltepe, Istanbul, Turkey

Pehlivan

Emre²,

Key³

2012

JWARP

Self Cite

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Spring waters consumed for drinking purposes should be clean and quality. These waters with balanced mineral distribution, which do not contain organic substances, whose physical and chemical caharacteristics comply with certain quality parameters and which do not negatively affect human health are identified as healthy water. Kuvars water is a spring water which is pumped out from the draw well at the Camurluk stream basin of Maltepe province of Istanbul and filled into bottles. The Camurluk stream basin is approximately 4.5 km 2 . The Camurluk stream basin is sedimentary rocks and talus deposit outcrops. Reaching of trace elements, which is found more in the talus deposit samples than outcropping quartzarenite at the basin, to underground aquifer as ions under effect of rains, water rock interaction, leakage and filtration, is prevented by illite type clay levels existing within the talus deposit stack, which have upto 20 cm thickness. However, negative effects of the excavation that were made at the talus deposit reflect on the hydrologic cycle and chemical compositions of well waters. This effect was at first negatively affected the physical characteristics of the well waters. During the rainy periods, the water in the excavated area which was enriched with respect to the suspended sediments was percolated into the groundwaters from the joints and cracks of the quartzarenite. The turbidity value measured in the well waters of K2 and K3 were determined as 40.3 NTU and 34.2 NTU respectively. Although at the basin, the aquifer of underground water and the well waters being managed are quartzarenite, the fact that water types belonging to well waters differ (they are not same) according to the Piper diagram and when the heavy metal content of the water of well numbered KS1 is taken as basis, that some heavy metals such as Al 3+ , Fe 2+ , Ni 2+ , Mn 2+ and Cu 2+ be enriched 3 to 40 times in KS2 and KS3 well waters, are caused by talus deposit-water interaction at the excavation area. After a rainfall, in the water that became turbid with the water-talus deposit interaction at the excavation area, the water-mineral interaction has caused the limit value for drinking water suggested by World Health Organization (WHO) to be exceeded with the Al 3+ concentration of 189 ppb detected in KS2 well water and Fe 2+ concentration of 185 ppb has caused to approach the drinking water limit value of 200 ppb permitted by World Health Organization (WHO), United States Environmental Protection Agency (EPA), European Union (EU) and Turkish Standards (TS). Therefore, at the water basins where bottled spring waters consumed for drinking purposes are produced, technical undertakings that shall disturb the stability of geological units should not be permitted.

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The effect of weathering in the Buyukmelen River basin on the geochemistry of suspended and bed sediments and the hyrogeochemical characteristics of river water, Duzce, Turkey

Cited by 23 publications

References 31 publications

Seasonal and Spatial Variations of Metals in Melen Watershed Groundwater, Turkey

Seasonal and Spatial Variations of Metals in Melen Watershed Groundwater, Turkey

Determination by Landsat Satellite Imagery to Local Scales in Land and Pollution Monitoring: a Case of Buyuk Melen Watershed (Turkey)

Effect of Talus Deposit Excavations on Hydrogeochemical Characteristics of Kuvars Spring Water, Maltepe, Istanbul, Turkey

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