Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s12665-016-5518-4 |
Assessment of the hydrogeochemical characteristics of groundwater in two aquifer systems in Cumra Plain, Central Anatolia | |
Bozdag, Ayla | |
通讯作者 | Bozdag, Ayla |
来源期刊 | ENVIRONMENTAL EARTH SCIENCES
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ISSN | 1866-6280 |
EISSN | 1866-6299 |
出版年 | 2016 |
卷号 | 75期号:8 |
英文摘要 | Located in a semi-arid climate, Cumra (Konya) plain is one of the most important agricultural regions in Turkey. Groundwater is the major source for agricultural, domestic, and other water-related activities due to the insufficiency of surface water. As groundwater is the only major source of water in this area, it is important to know the effects of geological formations and anthropogenic activities on groundwater chemistry. This study was carried out with the objective of identifying the hydrogeochemical characteristics and processes controlling the groundwater chemistry in Cumra Plain, Central Anatolia, Turkey. The study area is comprised of two main aquifers which are the semi-confined aquifer of the Neogene age and the unconfined aquifer of the Quaternary age. To identify the hydrogeochemical characteristics of groundwater in two aquifer systems and to understand the major factors and mechanisms controlling the groundwater chemistry, graphical plots, mineral saturations, and multivariate statistical analysis of chemical constituents in the groundwater were used. Study results show that groundwater is generally neutral to slightly alkaline in nature with a pH ranging from 6.67 to 8.10, and the dominance of ions is in the order of Ca2+ > Mg2+ > Na+ > K+ for the Neogene aquifer and HCO3- > SO42- > Cl- > NO3-; Mg2+ > Ca2+ > Na+ > K+ and SO42- > HCO3- > Cl- > NO3- for the Quaternary aquifer. While the chemical composition of groundwater in the Neogene aquifer is mainly controlled by water-rock interaction including dissolution of carbonates and gypsum, calcite precipitation, and dedolomitization, the main geochemical processes in the Quaternary aquifer are reverse ion exchange, evaporation, dissolution of carbonates, gypsum and soil salts, calcite precipitation, and silicate weathering. The mechanism controlling groundwater chemistry in the Neogene aquifer is actually regulated by the geogenic processes (water-rock interaction) rather than by anthropogenic activities. However, the mechanism controlling groundwater chemistry in the Quaternary aquifer is regulated by both geogenic processes and anthropogenic activities. In addition, anthropogenic nitrogen pollution in the study area is currently not serious, but evaporation and leaching of soil salts due to anthropogenic activities increase the concentrations of ions in the Quaternary aquifer. |
英文关键词 | Groundwater Water-rock interaction Reverse ion exchange Evaporation Cumra plain |
类型 | Article |
语种 | 英语 |
国家 | Turkey |
收录类别 | SCI-E |
WOS记录号 | WOS:000375063400045 |
WOS关键词 | MAJOR ION CHEMISTRY ; RIVER-BASIN ; HYDROCHEMICAL CHARACTERISTICS ; ALLUVIAL AQUIFER ; ANDHRA-PRADESH ; QUALITY ; EVOLUTION ; WATER ; DISTRICT ; IDENTIFICATION |
WOS类目 | Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Water Resources |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/192638 |
作者单位 | Selcuk Univ, Dept Geol Engn, TR-42079 Konya, Turkey |
推荐引用方式 GB/T 7714 | Bozdag, Ayla. Assessment of the hydrogeochemical characteristics of groundwater in two aquifer systems in Cumra Plain, Central Anatolia[J],2016,75(8). |
APA | Bozdag, Ayla.(2016).Assessment of the hydrogeochemical characteristics of groundwater in two aquifer systems in Cumra Plain, Central Anatolia.ENVIRONMENTAL EARTH SCIENCES,75(8). |
MLA | Bozdag, Ayla."Assessment of the hydrogeochemical characteristics of groundwater in two aquifer systems in Cumra Plain, Central Anatolia".ENVIRONMENTAL EARTH SCIENCES 75.8(2016). |
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