High‐Arsenic Groundwater in the Southwestern Bengal Basin Caused by a Lithologically Controlled Deep Flow System Article Swipe
Khan Mz
,
Holly A. Michael
,
Bibhash Nath
,
Linden Huhmann
,
Charles F. Harvey
,
Abhijit Mukherjee
,
Imtiaz Ahmed Choudhury
,
Arjun Dey
,
Shahid Ullah
,
Kazi Matin Ahmed
,
S. L. Goodbred
,
Peter Schlösser
,
Benjamín C. Bostick
,
Brian J. Mailloux
,
Tyler Ellis
,
Alexander van Geen
·
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1029/2019gl084767
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1029/2019gl084767
Elevated arsenic in Bengal Basin aquifers threatens human health. Most deep (>150 m) groundwater in Pleistocene aquifers is low in arsenic; however higher concentrations have been reported in the southwest border region. Here, we establish that this extensive arsenic contamination at depth is not associated with well failure. A combination of geochemistry and flow modeling constrains the factors that contribute to arsenic contamination at depth in this region. Deep groundwater in the affected area is younger (2.0 ± 0.6 kyr) than deep, low‐arsenic groundwater elsewhere (12.0 ± 4.0 kyr) based on radiocarbon. Stratigraphic data indicate pre‐Holocene deposition of the contaminated aquifers, but few low‐permeability strata. Numerical modeling indicates that this stratigraphic anomaly permits a natural flow system that transports shallow groundwater to depth. Thus, in areas lacking low‐permeability layers, arsenic contamination can occur in pre‐Holocene aquifers and is probably not an early sign of future deep contamination in regions with interbedded low‐permeability strata.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1029/2019gl084767
- https://onlinelibrary.wiley.com/doi/pdfdirect/10.1029/2019GL084767
- OA Status
- bronze
- Cited By
- 33
- References
- 54
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2991512874
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2991512874Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1029/2019gl084767Digital Object Identifier
- Title
-
High‐Arsenic Groundwater in the Southwestern Bengal Basin Caused by a Lithologically Controlled Deep Flow SystemWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2019Year of publication
- Publication date
-
2019-11-19Full publication date if available
- Authors
-
Khan Mz, Holly A. Michael, Bibhash Nath, Linden Huhmann, Charles F. Harvey, Abhijit Mukherjee, Imtiaz Ahmed Choudhury, Arjun Dey, Shahid Ullah, Kazi Matin Ahmed, S. L. Goodbred, Peter Schlösser, Benjamín C. Bostick, Brian J. Mailloux, Tyler Ellis, Alexander van GeenList of authors in order
- Landing page
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https://doi.org/10.1029/2019gl084767Publisher landing page
- PDF URL
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1029/2019GL084767Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
bronzeOpen access status per OpenAlex
- OA URL
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1029/2019GL084767Direct OA link when available
- Concepts
-
Aquifer, Geology, Groundwater, Arsenic contamination of groundwater, Groundwater flow, Structural basin, Arsenic, Geochemistry, BENGAL, Holocene, Hydrology (agriculture), Geomorphology, Paleontology, Oceanography, Geotechnical engineering, Metallurgy, Bay, Materials scienceTop concepts (fields/topics) attached by OpenAlex
- Cited by
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33Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3, 2024: 8, 2023: 3, 2022: 11, 2021: 4Per-year citation counts (last 5 years)
- References (count)
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54Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.modeling | 55, 107 |
| abstract_inverted_index.probably | 139 |
| abstract_inverted_index.reported | 27 |
| abstract_inverted_index.Numerical | 106 |
| abstract_inverted_index.aquifers, | 101 |
| abstract_inverted_index.elsewhere | 85 |
| abstract_inverted_index.establish | 35 |
| abstract_inverted_index.extensive | 38 |
| abstract_inverted_index.indicates | 108 |
| abstract_inverted_index.southwest | 30 |
| abstract_inverted_index.threatens | 7 |
| abstract_inverted_index.associated | 45 |
| abstract_inverted_index.constrains | 56 |
| abstract_inverted_index.contribute | 60 |
| abstract_inverted_index.deposition | 97 |
| abstract_inverted_index.transports | 119 |
| abstract_inverted_index.Pleistocene | 16 |
| abstract_inverted_index.combination | 50 |
| abstract_inverted_index.groundwater | 14, 70, 84, 121 |
| abstract_inverted_index.interbedded | 151 |
| abstract_inverted_index.contaminated | 100 |
| abstract_inverted_index.geochemistry | 52 |
| abstract_inverted_index.radiocarbon. | 92 |
| abstract_inverted_index.Stratigraphic | 93 |
| abstract_inverted_index.contamination | 40, 63, 131, 147 |
| abstract_inverted_index.low‐arsenic | 83 |
| abstract_inverted_index.stratigraphic | 111 |
| abstract_inverted_index.concentrations | 24 |
| abstract_inverted_index.pre‐Holocene | 96, 135 |
| abstract_inverted_index.low‐permeability | 104, 128, 152 |
| cited_by_percentile_year.max | 99 |
| cited_by_percentile_year.min | 96 |
| corresponding_author_ids | https://openalex.org/A5112152457, https://openalex.org/A5026865467 |
| countries_distinct_count | 3 |
| institutions_distinct_count | 16 |
| corresponding_institution_ids | https://openalex.org/I205746353, https://openalex.org/I86501945 |
| citation_normalized_percentile.value | 0.87474723 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |