AustralieFrV1, Main, Exploration, bibRecord, 004120

Hydrogeological investigation for assessment of the sustainability of low-arsenic aquifers as a safe drinking water source in regions with high-arsenic groundwater in Matlab, southeastern Bangladesh

Identifieur interne : 004120 ( Main/Exploration ); précédent : 004119; suivant : 004121

Hydrogeological investigation for assessment of the sustainability of low-arsenic aquifers as a safe drinking water source in regions with high-arsenic groundwater in Matlab, southeastern Bangladesh

Auteurs : Mattias Von Brömssen [Suède] ; Lars Markussen [Suède] ; Prosun Bhattacharya [Suède] ; KAZI MATIN AHMED [Bangladesh] ; Mohammed Hossain [Suède, Bangladesh] ; Gunnar Jacks [Suède] ; Ondra Sracek [République tchèque] ; Roger Thunvik [Suède] ; M. Aziz Hasan [Suède, Bangladesh] ; M. Mainul Islam [Bangladesh] ; M. Mokhlesur Rahman [Bangladesh]

Source :

Journal of hydrology : (Amsterdam) [ 0022-1694 ] ; 2014.

RBID : Pascal:15-0030907

Descripteurs français

Pascal (Inist)
- Arsenic, Aquifère, Eau potable, Eau souterraine, Exploitation, Holocène, Profondeur, Ecoulement, Hydraulique, Modèle, Essai débit, Datation, Etalonnage, Irrigation, Pompage, Pollution, Topographie, Gestion ressource eau, Approvisionnement eau, Hydrogéologie, Simulation numérique, Ressource eau, Politique eau, Bangladesh.
Wicri :
- geographic : Bangladesh.
- topic : Eau potable, Eau souterraine, Irrigation, Pollution, Hydrogéologie.

English descriptors

KwdEn :
- Bangladesh, Holocene, aquifers, arsenic, calibration, dating, depth, digital simulation, drinking water, exploitation, flow, ground water, hydraulics, hydrogeology, irrigation, models, pollution, pump tests, pumping, topography, water policy, water resource management, water resources, water supply.

Abstract

Exploitation of groundwater from shallow, high prolific Holocene sedimentary aquifers has been a main element for achieving safe drinking water and food security in Bangladesh. However, the presence of elevated levels of geogenic arsenic (As) in these aquifers has undermined this success. Except for targeting safe aquifers through installations of tubewells to greater depth, no mitigation option has been successfully implemented on a larger scale. The objective of this study has been to characterise the hydrostratigraphy, groundwater flow patterns, the hydraulic properties to assess the vulnerability of low-arsenic aquifers at Matlab, in south-eastern Bangladesh, one of the worst arsenic-affected areas of the country. Groundwater modelling, conventional pumping test using multilevel piezometers, hydraulic head monitoring in piezometer nests, ¹⁴C dating of groundwater and assessment of groundwater abstraction were used. A model comprising of three aquifers covering the top 250 m of the model domain showed the best fit for the calibration evaluation criteria.

Affiliations:

Bangladesh, République tchèque, Suède

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bangladesh</term>
<term>Holocene</term>
<term>aquifers</term>
<term>arsenic</term>
<term>calibration</term>
<term>dating</term>
<term>depth</term>
<term>digital simulation</term>
<term>drinking water</term>
<term>exploitation</term>
<term>flow</term>
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<term>hydrogeology</term>
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<term>pumping</term>
<term>topography</term>
<term>water policy</term>
<term>water resource management</term>
<term>water resources</term>
<term>water supply</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Arsenic</term>
<term>Aquifère</term>
<term>Eau potable</term>
<term>Eau souterraine</term>
<term>Exploitation</term>
<term>Holocène</term>
<term>Profondeur</term>
<term>Ecoulement</term>
<term>Hydraulique</term>
<term>Modèle</term>
<term>Essai débit</term>
<term>Datation</term>
<term>Etalonnage</term>
<term>Irrigation</term>
<term>Pompage</term>
<term>Pollution</term>
<term>Topographie</term>
<term>Gestion ressource eau</term>
<term>Approvisionnement eau</term>
<term>Hydrogéologie</term>
<term>Simulation numérique</term>
<term>Ressource eau</term>
<term>Politique eau</term>
<term>Bangladesh</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Bangladesh</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Eau potable</term>
<term>Eau souterraine</term>
<term>Irrigation</term>
<term>Pollution</term>
<term>Hydrogéologie</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Exploitation of groundwater from shallow, high prolific Holocene sedimentary aquifers has been a main element for achieving safe drinking water and food security in Bangladesh. However, the presence of elevated levels of geogenic arsenic (As) in these aquifers has undermined this success. Except for targeting safe aquifers through installations of tubewells to greater depth, no mitigation option has been successfully implemented on a larger scale. The objective of this study has been to characterise the hydrostratigraphy, groundwater flow patterns, the hydraulic properties to assess the vulnerability of low-arsenic aquifers at Matlab, in south-eastern Bangladesh, one of the worst arsenic-affected areas of the country. Groundwater modelling, conventional pumping test using multilevel piezometers, hydraulic head monitoring in piezometer nests, <sup>14</sup>
C dating of groundwater and assessment of groundwater abstraction were used. A model comprising of three aquifers covering the top 250 m of the model domain showed the best fit for the calibration evaluation criteria.</div>
</front>
</TEI>
<affiliations><list><country><li>Bangladesh</li>
<li>République tchèque</li>
<li>Suède</li>
</country>
</list>
<tree><country name="Suède"><noRegion><name sortKey="Von Bromssen, Mattias" sort="Von Bromssen, Mattias" uniqKey="Von Bromssen M" first="Mattias" last="Von Brömssen">Mattias Von Brömssen</name>
</noRegion>
<name sortKey="Aziz Hasan, M" sort="Aziz Hasan, M" uniqKey="Aziz Hasan M" first="M." last="Aziz Hasan">M. Aziz Hasan</name>
<name sortKey="Bhattacharya, Prosun" sort="Bhattacharya, Prosun" uniqKey="Bhattacharya P" first="Prosun" last="Bhattacharya">Prosun Bhattacharya</name>
<name sortKey="Hossain, Mohammed" sort="Hossain, Mohammed" uniqKey="Hossain M" first="Mohammed" last="Hossain">Mohammed Hossain</name>
<name sortKey="Jacks, Gunnar" sort="Jacks, Gunnar" uniqKey="Jacks G" first="Gunnar" last="Jacks">Gunnar Jacks</name>
<name sortKey="Markussen, Lars" sort="Markussen, Lars" uniqKey="Markussen L" first="Lars" last="Markussen">Lars Markussen</name>
<name sortKey="Thunvik, Roger" sort="Thunvik, Roger" uniqKey="Thunvik R" first="Roger" last="Thunvik">Roger Thunvik</name>
<name sortKey="Von Bromssen, Mattias" sort="Von Bromssen, Mattias" uniqKey="Von Bromssen M" first="Mattias" last="Von Brömssen">Mattias Von Brömssen</name>
</country>
<country name="Bangladesh"><noRegion><name sortKey="Kazi Matin Ahmed" sort="Kazi Matin Ahmed" uniqKey="Kazi Matin Ahmed" last="Kazi Matin Ahmed">KAZI MATIN AHMED</name>
</noRegion>
<name sortKey="Aziz Hasan, M" sort="Aziz Hasan, M" uniqKey="Aziz Hasan M" first="M." last="Aziz Hasan">M. Aziz Hasan</name>
<name sortKey="Hossain, Mohammed" sort="Hossain, Mohammed" uniqKey="Hossain M" first="Mohammed" last="Hossain">Mohammed Hossain</name>
<name sortKey="Mainul Islam, M" sort="Mainul Islam, M" uniqKey="Mainul Islam M" first="M." last="Mainul Islam">M. Mainul Islam</name>
<name sortKey="Mokhlesur Rahman, M" sort="Mokhlesur Rahman, M" uniqKey="Mokhlesur Rahman M" first="M." last="Mokhlesur Rahman">M. Mokhlesur Rahman</name>
</country>
<country name="République tchèque"><noRegion><name sortKey="Sracek, Ondra" sort="Sracek, Ondra" uniqKey="Sracek O" first="Ondra" last="Sracek">Ondra Sracek</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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Hydrogeological investigation for assessment of the sustainability of low-arsenic aquifers as a safe drinking water source in regions with high-arsenic groundwater in Matlab, southeastern Bangladesh

Hydrogeological investigation for assessment of the sustainability of low-arsenic aquifers as a safe drinking water source in regions with high-arsenic groundwater in Matlab, southeastern Bangladesh

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