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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kumar, Pankaj Tsujimura, Maki Nakano, Takanori Minoru, Tokumasu |
| Spatial Coverage | Japan |
| Description | Country affiliation: Japan Author Affiliation: Kumar P ( Division of Geoenvironmental Science, Graduate School of Life and Environmental Sciences, University of Tsukuba, Advance Research Building-A, Tsukuba City, Ibaraki Prefecture, 305-8572, Japan. pankajenvsci@gmail.com) |
| Abstract | Considering the current poor understanding of the seawater-freshwater (SW-FW) interaction pattern at dynamic hydro-geological boundary of coastal aquifers, this work strives to study tidal effect on groundwater quality using chemical tracers combined with environmental isotopes. In situ measurement data of electrical conductivity and groundwater level along with laboratory measurement data of hydro-chemical species were compared with tidal level data measured by Hydrographic and Oceanographic Department, Saijo City, Japan for time series analysis. Result shows that diurnal tides have significant effect on groundwater level as well as its chemical characteristics; however, the magnitude of effect is different in case of different aquifers. Various scatter diagrams were plotted in order to infer mechanisms responsible for water quality change with tidal phase, and results show that cations exchange, selective movement and local SW-FW mixing were likely to be the main processes responsible for water quality changes. It was also found that geological structure of the aquifers is the most important factor affecting the intensity of tidal effect on water quality. |
| File Format | HTM / HTML |
| ISSN | 02694042 |
| Issue Number | 2 |
| Volume Number | 35 |
| e-ISSN | 15732983 |
| Journal | Environmental Geochemistry and Health |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2013-04-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Groundwater Chemistry Water Movements Water Quality Fresh Water Japan Mass Spectrometry Seawater Time Factors Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Medicine Geochemistry and Petrology Environmental Engineering Water Science and Technology |
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