Hydrochemical processes and evolution of karst groundwater in the northeastern Huaibei Plain, China
Major ion geochemistry reveals that the hydrochemical evolutionary process of karst groundwater in the northeastern Huaibei Plain, China, consists of three sub-processes: the dissolution of dolomite, gypsum dissolution with dedolomitization, and mixing with overlying pore water. Understanding hydroc...
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| Veröffentlicht in: | Hydrogeology journal 2018-08, Vol.26 (5), p.1721-1729 |
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| creator | Qian, Jiazhong Peng, Yinxue Zhao, Weidong Ma, Lei He, Xiaorui Lu, YueHan |
| description | Major ion geochemistry reveals that the hydrochemical evolutionary process of karst groundwater in the northeastern Huaibei Plain, China, consists of three sub-processes: the dissolution of dolomite, gypsum dissolution with dedolomitization, and mixing with overlying pore water. Understanding hydrochemical evolution has been an important topic in understanding the history, status, and dynamics of the groundwater flow system. The presented study found a hydrochemical boundary roughly corresponding to the thickness of overlying strata equating to 50 m depth, indicating two flow compartments participating in different hydrological cycles—a local shallow rapidly replenished compartment showing lower and more stable main ion concentrations, and a regional deep-flow compartment showing higher and sporadic concentrations of Na
+
, K
+
, Ca
2+
, Mg
2+
, Cl
−
and SO
4
2−
, as well as high total dissolved solids (TDS), total hardness, and sodium adsorption ratio (SAR). In areas with aquifers with low water transmitting ability, groundwater samples show a high chloride ratio and elevated TDS values, indicating salinization of groundwater due to stagnant water flows. Analyses of the data on the saturation indexes and mineral solutions, in tandem with trilinear diagram analysis and petrological observations, indicate that dedolomitization is the dominant process controlling the chemical characteristics of karst groundwater in the study area. Groundwater and pore-water mixing was also observed at the later evolutionary stage of groundwater flow, demonstrating frequent groundwater/pore-water interactions where groundwater is recharged by pore water due to lower groundwater level in the study area. |
| doi_str_mv | 10.1007/s10040-018-1805-3 |
| format | Article |
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+
, K
+
, Ca
2+
, Mg
2+
, Cl
−
and SO
4
2−
, as well as high total dissolved solids (TDS), total hardness, and sodium adsorption ratio (SAR). In areas with aquifers with low water transmitting ability, groundwater samples show a high chloride ratio and elevated TDS values, indicating salinization of groundwater due to stagnant water flows. Analyses of the data on the saturation indexes and mineral solutions, in tandem with trilinear diagram analysis and petrological observations, indicate that dedolomitization is the dominant process controlling the chemical characteristics of karst groundwater in the study area. Groundwater and pore-water mixing was also observed at the later evolutionary stage of groundwater flow, demonstrating frequent groundwater/pore-water interactions where groundwater is recharged by pore water due to lower groundwater level in the study area.</description><identifier>ISSN: 1431-2174</identifier><identifier>EISSN: 1435-0157</identifier><identifier>DOI: 10.1007/s10040-018-1805-3</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adsorption ; Aquatic Pollution ; Aquifers ; Boundary layers ; Calcium ; Calcium ions ; Data processing ; Dissolution ; Dissolving ; Dolomite ; Dolostone ; Dynamics ; Earth and Environmental Science ; Earth Sciences ; Evolution ; Flow system ; Geochemistry ; Geology ; Geophysics/Geodesy ; Groundwater ; Groundwater flow ; Groundwater levels ; Groundwater recharge ; Gypsum ; Hydrochemicals ; Hydrogeology ; Hydrologic cycle ; Hydrological cycle ; Hydrology ; Hydrology/Water Resources ; Interactions ; Ions ; Karst ; Magnesium ; Organic chemistry ; Pore water ; Salinization ; SAR (radar) ; Saturation ; Saturation index ; Sodium ; Solutions ; Stagnant water ; Stagnation ; Total dissolved solids ; Waste Water Technology ; Water analysis ; Water flow ; Water hardness ; Water Management ; Water mixing ; Water Pollution Control ; Water Quality/Water Pollution ; Water sampling</subject><ispartof>Hydrogeology journal, 2018-08, Vol.26 (5), p.1721-1729</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>Hydrogeology Journal is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a339t-14923cd74e271257a7b07e28151bf7e5b4b9f3d379c66680c31caf98dd3d58093</citedby><cites>FETCH-LOGICAL-a339t-14923cd74e271257a7b07e28151bf7e5b4b9f3d379c66680c31caf98dd3d58093</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10040-018-1805-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10040-018-1805-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Qian, Jiazhong</creatorcontrib><creatorcontrib>Peng, Yinxue</creatorcontrib><creatorcontrib>Zhao, Weidong</creatorcontrib><creatorcontrib>Ma, Lei</creatorcontrib><creatorcontrib>He, Xiaorui</creatorcontrib><creatorcontrib>Lu, YueHan</creatorcontrib><title>Hydrochemical processes and evolution of karst groundwater in the northeastern Huaibei Plain, China</title><title>Hydrogeology journal</title><addtitle>Hydrogeol J</addtitle><description>Major ion geochemistry reveals that the hydrochemical evolutionary process of karst groundwater in the northeastern Huaibei Plain, China, consists of three sub-processes: the dissolution of dolomite, gypsum dissolution with dedolomitization, and mixing with overlying pore water. Understanding hydrochemical evolution has been an important topic in understanding the history, status, and dynamics of the groundwater flow system. The presented study found a hydrochemical boundary roughly corresponding to the thickness of overlying strata equating to 50 m depth, indicating two flow compartments participating in different hydrological cycles—a local shallow rapidly replenished compartment showing lower and more stable main ion concentrations, and a regional deep-flow compartment showing higher and sporadic concentrations of Na
+
, K
+
, Ca
2+
, Mg
2+
, Cl
−
and SO
4
2−
, as well as high total dissolved solids (TDS), total hardness, and sodium adsorption ratio (SAR). In areas with aquifers with low water transmitting ability, groundwater samples show a high chloride ratio and elevated TDS values, indicating salinization of groundwater due to stagnant water flows. Analyses of the data on the saturation indexes and mineral solutions, in tandem with trilinear diagram analysis and petrological observations, indicate that dedolomitization is the dominant process controlling the chemical characteristics of karst groundwater in the study area. Groundwater and pore-water mixing was also observed at the later evolutionary stage of groundwater flow, demonstrating frequent groundwater/pore-water interactions where groundwater is recharged by pore water due to lower groundwater level in the study area.</description><subject>Adsorption</subject><subject>Aquatic Pollution</subject><subject>Aquifers</subject><subject>Boundary layers</subject><subject>Calcium</subject><subject>Calcium ions</subject><subject>Data processing</subject><subject>Dissolution</subject><subject>Dissolving</subject><subject>Dolomite</subject><subject>Dolostone</subject><subject>Dynamics</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Evolution</subject><subject>Flow system</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Geophysics/Geodesy</subject><subject>Groundwater</subject><subject>Groundwater flow</subject><subject>Groundwater levels</subject><subject>Groundwater recharge</subject><subject>Gypsum</subject><subject>Hydrochemicals</subject><subject>Hydrogeology</subject><subject>Hydrologic cycle</subject><subject>Hydrological cycle</subject><subject>Hydrology</subject><subject>Hydrology/Water Resources</subject><subject>Interactions</subject><subject>Ions</subject><subject>Karst</subject><subject>Magnesium</subject><subject>Organic chemistry</subject><subject>Pore water</subject><subject>Salinization</subject><subject>SAR (radar)</subject><subject>Saturation</subject><subject>Saturation index</subject><subject>Sodium</subject><subject>Solutions</subject><subject>Stagnant water</subject><subject>Stagnation</subject><subject>Total dissolved solids</subject><subject>Waste Water Technology</subject><subject>Water analysis</subject><subject>Water flow</subject><subject>Water hardness</subject><subject>Water Management</subject><subject>Water mixing</subject><subject>Water Pollution Control</subject><subject>Water Quality/Water 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groundwater in the northeastern Huaibei Plain, China</title><author>Qian, Jiazhong ; Peng, Yinxue ; Zhao, Weidong ; Ma, Lei ; He, Xiaorui ; Lu, YueHan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a339t-14923cd74e271257a7b07e28151bf7e5b4b9f3d379c66680c31caf98dd3d58093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Adsorption</topic><topic>Aquatic Pollution</topic><topic>Aquifers</topic><topic>Boundary layers</topic><topic>Calcium</topic><topic>Calcium ions</topic><topic>Data processing</topic><topic>Dissolution</topic><topic>Dissolving</topic><topic>Dolomite</topic><topic>Dolostone</topic><topic>Dynamics</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Evolution</topic><topic>Flow system</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Geophysics/Geodesy</topic><topic>Groundwater</topic><topic>Groundwater 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journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qian, Jiazhong</au><au>Peng, Yinxue</au><au>Zhao, Weidong</au><au>Ma, Lei</au><au>He, Xiaorui</au><au>Lu, YueHan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrochemical processes and evolution of karst groundwater in the northeastern Huaibei Plain, China</atitle><jtitle>Hydrogeology journal</jtitle><stitle>Hydrogeol J</stitle><date>2018-08-01</date><risdate>2018</risdate><volume>26</volume><issue>5</issue><spage>1721</spage><epage>1729</epage><pages>1721-1729</pages><issn>1431-2174</issn><eissn>1435-0157</eissn><abstract>Major ion geochemistry reveals that the hydrochemical evolutionary process of karst groundwater in the northeastern Huaibei Plain, China, consists of three sub-processes: the dissolution of dolomite, gypsum dissolution with dedolomitization, and mixing with overlying pore water. Understanding hydrochemical evolution has been an important topic in understanding the history, status, and dynamics of the groundwater flow system. The presented study found a hydrochemical boundary roughly corresponding to the thickness of overlying strata equating to 50 m depth, indicating two flow compartments participating in different hydrological cycles—a local shallow rapidly replenished compartment showing lower and more stable main ion concentrations, and a regional deep-flow compartment showing higher and sporadic concentrations of Na
+
, K
+
, Ca
2+
, Mg
2+
, Cl
−
and SO
4
2−
, as well as high total dissolved solids (TDS), total hardness, and sodium adsorption ratio (SAR). In areas with aquifers with low water transmitting ability, groundwater samples show a high chloride ratio and elevated TDS values, indicating salinization of groundwater due to stagnant water flows. Analyses of the data on the saturation indexes and mineral solutions, in tandem with trilinear diagram analysis and petrological observations, indicate that dedolomitization is the dominant process controlling the chemical characteristics of karst groundwater in the study area. Groundwater and pore-water mixing was also observed at the later evolutionary stage of groundwater flow, demonstrating frequent groundwater/pore-water interactions where groundwater is recharged by pore water due to lower groundwater level in the study area.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s10040-018-1805-3</doi><tpages>9</tpages></addata></record> |
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| subjects | Adsorption Aquatic Pollution Aquifers Boundary layers Calcium Calcium ions Data processing Dissolution Dissolving Dolomite Dolostone Dynamics Earth and Environmental Science Earth Sciences Evolution Flow system Geochemistry Geology Geophysics/Geodesy Groundwater Groundwater flow Groundwater levels Groundwater recharge Gypsum Hydrochemicals Hydrogeology Hydrologic cycle Hydrological cycle Hydrology Hydrology/Water Resources Interactions Ions Karst Magnesium Organic chemistry Pore water Salinization SAR (radar) Saturation Saturation index Sodium Solutions Stagnant water Stagnation Total dissolved solids Waste Water Technology Water analysis Water flow Water hardness Water Management Water mixing Water Pollution Control Water Quality/Water Pollution Water sampling |
| title | Hydrochemical processes and evolution of karst groundwater in the northeastern Huaibei Plain, China |
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