Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam)

J. Kazmierczak; F. Larsen; R. Jakobsen; D. Postma; H. U. Sø; H. V. Hoan; D. T. Trung; P. Q. Nhan; Andreas Elmelund   Hass; Andreas Hvam  Hoffmann; P. T. K. Trang; V. M. Lan; P. H. Viet

doi:10.1201/b20466-35

Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam)

J. Kazmierczak, F. Larsen, R. Jakobsen, D. Postma, H. U. Sø, H. V. Hoan, D. T. Trung, P. Q. Nhan, Andreas Elmelund Hass, Andreas Hvam Hoffmann, P. T. K. Trang, V. M. Lan, P. H. Viet

Department of Geosciences and Natural Resource Management

3 Citations (Scopus)

Abstract

We investigate a relationship between geological history, groundwater flow paths and the spatial distribution of arsenic in aquifers of the upper part of the Red River delta in Vietnam. Hydrogeological conditions in the research area are complex. The fining upward sequence of Pleistocene alluvial sediments was partially eroded during the Holocene and covered by sand and clay deposited in fluvial environments. Sedimentary processes lead to the development of two flow systems. Shallow groundwater discharges either to the local surface water bodies or, in the areas where low permeable sediments isolating Pleistocene and Holocene aquifers were eroded, to the deep groundwater flow system discharging to Red River. Previously reported pattern of arsenic groundwater concentrations decreasing with an increasing sediment age is modified by the observed flow regime. Connection of the younger and older river channels resulted in a transport of high arsenic concentrations towards the Pleistocene aquifer, where low arsenic concentrations were expected.

Original language	English
Title of host publication	Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016
Editors	Prosun Bhattacharya, Marie Vahter, Jerker Jarsjö, Jurate Kumpiene, Asrlan Ahmad, Charlotte Sparrenbom, Gunnar Jacks, Marinus Eric Donselaar, Jochen Bundschuh, Ravi Naidu
Number of pages	2
Publisher	CRC Press
Publication date	2016
Pages	72-73
Chapter	32
ISBN (Print)	978-1-138-02941-5
ISBN (Electronic)	978-1-315-62943-8
DOIs	https://doi.org/10.1201/b20466-35
Publication status	Published - 2016
Event	6th International Congress on Arsenic in the Environment, AS 2016 - Stockholm, Sweden Duration: 19 Jun 2016 → 23 Jun 2016

Conference

Conference	6th International Congress on Arsenic in the Environment, AS 2016
Country/Territory	Sweden
City	Stockholm
Period	19/06/2016 → 23/06/2016
Sponsor	Bolin Center for Climate Research, Carus, Etal, KTH, OPCW, TU Delft

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Kazmierczak, J., Larsen, F., Jakobsen, R., Postma, D., Sø, H. U., Hoan, H. V., Trung, D. T., Nhan, P. Q., Hass, A. E., Hoffmann, A. H., Trang, P. T. K., Lan, V. M., & Viet, P. H. (2016). Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam). In P. Bhattacharya, M. Vahter, J. Jarsjö, J. Kumpiene, A. Ahmad, C. Sparrenbom, G. Jacks, M. E. Donselaar, J. Bundschuh, & R. Naidu (Eds.), Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016 (pp. 72-73). CRC Press. https://doi.org/10.1201/b20466-35

Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam). / Kazmierczak, J.; Larsen, F.; Jakobsen, R. et al.

Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016. ed. / Prosun Bhattacharya; Marie Vahter; Jerker Jarsjö; Jurate Kumpiene; Asrlan Ahmad; Charlotte Sparrenbom; Gunnar Jacks; Marinus Eric Donselaar; Jochen Bundschuh; Ravi Naidu. CRC Press, 2016. p. 72-73.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Kazmierczak, J, Larsen, F, Jakobsen, R, Postma, D, Sø, HU, Hoan, HV, Trung, DT, Nhan, PQ, Hass, AE, Hoffmann, AH, Trang, PTK, Lan, VM & Viet, PH 2016, Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam). in P Bhattacharya, M Vahter, J Jarsjö, J Kumpiene, A Ahmad, C Sparrenbom, G Jacks, ME Donselaar, J Bundschuh & R Naidu (eds), Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016. CRC Press, pp. 72-73, 6th International Congress on Arsenic in the Environment, AS 2016, Stockholm, Sweden, 19/06/2016. https://doi.org/10.1201/b20466-35

Kazmierczak J, Larsen F, Jakobsen R, Postma D, Sø HU, Hoan HV et al. Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam). In Bhattacharya P, Vahter M, Jarsjö J, Kumpiene J, Ahmad A, Sparrenbom C, Jacks G, Donselaar ME, Bundschuh J, Naidu R, editors, Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016. CRC Press. 2016. p. 72-73 doi: 10.1201/b20466-35

Kazmierczak, J. ; Larsen, F. ; Jakobsen, R. et al. / Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam). Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016. editor / Prosun Bhattacharya ; Marie Vahter ; Jerker Jarsjö ; Jurate Kumpiene ; Asrlan Ahmad ; Charlotte Sparrenbom ; Gunnar Jacks ; Marinus Eric Donselaar ; Jochen Bundschuh ; Ravi Naidu. CRC Press, 2016. pp. 72-73

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abstract = "We investigate a relationship between geological history, groundwater flow paths and the spatial distribution of arsenic in aquifers of the upper part of the Red River delta in Vietnam. Hydrogeological conditions in the research area are complex. The fining upward sequence of Pleistocene alluvial sediments was partially eroded during the Holocene and covered by sand and clay deposited in fluvial environments. Sedimentary processes lead to the development of two flow systems. Shallow groundwater discharges either to the local surface water bodies or, in the areas where low permeable sediments isolating Pleistocene and Holocene aquifers were eroded, to the deep groundwater flow system discharging to Red River. Previously reported pattern of arsenic groundwater concentrations decreasing with an increasing sediment age is modified by the observed flow regime. Connection of the younger and older river channels resulted in a transport of high arsenic concentrations towards the Pleistocene aquifer, where low arsenic concentrations were expected.",

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AU - Postma, D.

AU - Sø, H. U.

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AU - Trung, D. T.

AU - Nhan, P. Q.

AU - Hass, Andreas Elmelund

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AU - Lan, V. M.

AU - Viet, P. H.

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AB - We investigate a relationship between geological history, groundwater flow paths and the spatial distribution of arsenic in aquifers of the upper part of the Red River delta in Vietnam. Hydrogeological conditions in the research area are complex. The fining upward sequence of Pleistocene alluvial sediments was partially eroded during the Holocene and covered by sand and clay deposited in fluvial environments. Sedimentary processes lead to the development of two flow systems. Shallow groundwater discharges either to the local surface water bodies or, in the areas where low permeable sediments isolating Pleistocene and Holocene aquifers were eroded, to the deep groundwater flow system discharging to Red River. Previously reported pattern of arsenic groundwater concentrations decreasing with an increasing sediment age is modified by the observed flow regime. Connection of the younger and older river channels resulted in a transport of high arsenic concentrations towards the Pleistocene aquifer, where low arsenic concentrations were expected.

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ER -

Recent flow regime and sedimentological evolution of a fluvial system as the main factors controlling spatial distribution of arsenic in groundwater (Red River, Vietnam)

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