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Floodplain morphology and relation to the spatial distribution of arsenic in the aquifers of Matlab, southeastern Bangladesh
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering. (KTH-International Groundwater Arsenic Research Group)
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2012 (English)In: Understanding the Geological and Medical Interface of Arsenic, As 2012 - 4th International Congress: Arsenic in the Environment, Taylor & Francis Group, 2012, p. 50-51Conference paper, Published paper (Refereed)
Abstract [en]

Landforms comprising the older and younger flood plains (OFP & YFP) in Meghna basin surrounding Matlab, southeastern Bangladesh have been identified through the visual interpretation of Google Earth images. The interpretation reveals that the visually identified OFP and YFP are characterized by different geomorphic components. The fluvial geomorphology shows a close relation with the distribution of arsenic (As), manganese (Mn) and iron (Fe) in groundwater from the aquifers. It was interpreted that the fluvial processes which results the landforms in the active floodplain influence the groundwater As occurrences. Less active processes in the stable and well developed OFP decreases the risk of elevated As in groundwater. The off-white and white sand aquifers of the OFP are contended with low levels of As (<50 μg/L) but high levels of Mn and Fe, whereas the off-white aquifers of YFP are contended with high levels of As (>50 μg/L) and Fe but low levels of Mn. Thus, the landforms can be taken into consideration before installing tubewells in a floodplain area.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2012. p. 50-51
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-101363DOI: 10.1201/b12522-20ISI: 000393139700016Scopus ID: 2-s2.0-84864883976ISBN: 9780415637633 (print)OAI: oai:DiVA.org:kth-101363DiVA, id: diva2:547435
Conference
4th International Congress on Arsenic in the Environment, As 2012;Cairns, QLD; 22 July 2012 through 27 July 2012
Note

QC 20120828

Available from: 2012-08-28 Created: 2012-08-27 Last updated: 2024-03-18Bibliographically approved

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Bhattacharya, ProsunHossain, Mohammed

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Rashid, Nazhat ShirinBhattacharya, ProsunHossain, Mohammed
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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • en-US
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Output format
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  • asciidoc
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