Article: Water quality and physical hydrogeology of the Amarapura township, Mandalay, Myanmar
Hydrogeology journal. 2019 June, v. 27, no. 4
2019
Abstract: Mandalay is a major city in central Myanmar with a high urban population and which lacks a central wastewater management system, a solid waste disposal process, and access to treated drinking water. The purpose of this study is to investigate the ... ...
| Title translation | Qualité de l’eau et hydrogéologie physique du bidonville d’Amarapura, Mandalay, au Myanmar Calidad del agua e hidrogeología física del Amarapura township, Mandalay, Myanmar 缅甸曼德勒阿玛拉普拉镇的水质和物理水文地质状况 Qualidade da água e hidrogeologia física da Cidade de Amarapura, Mandalay, Mianmar |
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| Abstract | Mandalay is a major city in central Myanmar with a high urban population and which lacks a central wastewater management system, a solid waste disposal process, and access to treated drinking water. The purpose of this study is to investigate the groundwater quality of local dug wells and tube wells, determine quantitative data on characteristics of the Amarapura Aquifer, and compare seasonal variations in groundwater flow and quality. Water samples were collected during the dry and wet seasons, then analyzed for major ion chemistry using ion chromatography to identify indicators of wastewater contamination transport to the shallow aquifer and to compare seasonal variations in groundwater chemistry. An open-source analytic element model, GFLOW, was used to describe the physical hydrogeology and to determine groundwater flow characteristics in the aquifer. Hydrogeochemistry data and numerical groundwater flow models provide evidence that the Amarapura Aquifer is susceptible to contamination from anthropogenic sources. The dominant water types in most dug wells and tube wells is Na-Cl, but there is no known geologic source of NaCl near Mandalay. Many of these wells also contain water with high electrical conductivity, chloride, nitrate, ammonium, and E. coli. Physical measurements and GFLOW characterize groundwater flow directions predominantly towards the Irrawaddy River and with average linear velocities ranging from 1.76 × 10−2 m/day (2.04 × 10−7 m/s) to 9.25 m/day (1.07 × 10−4 m/s). This is the first hydrogeological characterization conducted in Myanmar. |
| Keywords | Escherichia coli ; ammonium ; anthropogenic activities ; aquifers ; drinking water ; electrical conductivity ; groundwater ; groundwater flow ; hydrogeochemistry ; ion exchange chromatography ; models ; nitrates ; rivers ; seasonal variation ; sodium chloride ; solid wastes ; urban population ; waste disposal ; wastewater treatment ; water pollution ; water quality ; wells ; wet season ; Myanmar |
| Language | English |
| Dates of publication | 2019-06 |
| Size | p. 1497-1513. |
| Publishing place | Springer Berlin Heidelberg |
| Document type | Article |
| ZDB-ID | 1227482-3 |
| ISSN | 0941-2816 ; 1431-2174 |
| ISSN | 0941-2816 ; 1431-2174 |
| DOI | 10.1007/s10040-018-01922-9 |
| Database | NAL-Catalogue (AGRICOLA) |
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