Geochemical processes at a fresh/seawater interface in a shallow sandy aquifer

Martin Søgaard Andersen; Vibeke Margrethe Nyvang Iversen; Diederik Jan Postma

Geochemical processes at a fresh/seawater interface in a shallow sandy aquifer

Martin Søgaard Andersen, Vibeke Margrethe Nyvang Iversen, Diederik Jan Postma

Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

Abstract

Chemical processes in a natural fresh-/seawater mixing zone were studied in a shallow sandy aquifer. The dominant redox-processes are sulfate reduction and methanogenesis. Methanogenesis produces CO2, which causes calcite dissolution. The produced calcium induces ion exchange with sodium. The final result of these interactions between different types of geochemical processes is an anoxic groundwater enriched in bicarbonate and sodium.

Original language	English
Title of host publication	International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management. : Proceedings
Volume	CD-ROM
Place of Publication	Essaouira, Morocco
Publisher	SWICA
Publication date	2001
Publication status	Published - 2001
Event	International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management. - Essaouira, Morocco Duration: 1 Jan 2001 → … Conference number: 1

Conference

Conference	International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management.
Number	1
City	Essaouira, Morocco
Period	01/01/2001 → …

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abstract = "Chemical processes in a natural fresh-/seawater mixing zone were studied in a shallow sandy aquifer. The dominant redox-processes are sulfate reduction and methanogenesis. Methanogenesis produces CO2, which causes calcite dissolution. The produced calcium induces ion exchange with sodium. The final result of these interactions between different types of geochemical processes is an anoxic groundwater enriched in bicarbonate and sodium.",

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Andersen, MS, Iversen, VMN & Postma, DJ 2001, Geochemical processes at a fresh/seawater interface in a shallow sandy aquifer. in International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management.: Proceedings. vol. CD-ROM, SWICA, Essaouira, Morocco, International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management., Essaouira, Morocco, 01/01/2001.

Geochemical processes at a fresh/seawater interface in a shallow sandy aquifer. / Andersen, Martin Søgaard; Iversen, Vibeke Margrethe Nyvang; Postma, Diederik Jan.
International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management.: Proceedings. Vol. CD-ROM Essaouira, Morocco: SWICA, 2001.

Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

TY - ABST

T1 - Geochemical processes at a fresh/seawater interface in a shallow sandy aquifer

AU - Andersen, Martin Søgaard

AU - Iversen, Vibeke Margrethe Nyvang

AU - Postma, Diederik Jan

N1 - Conference code: 1

PY - 2001

Y1 - 2001

N2 - Chemical processes in a natural fresh-/seawater mixing zone were studied in a shallow sandy aquifer. The dominant redox-processes are sulfate reduction and methanogenesis. Methanogenesis produces CO2, which causes calcite dissolution. The produced calcium induces ion exchange with sodium. The final result of these interactions between different types of geochemical processes is an anoxic groundwater enriched in bicarbonate and sodium.

AB - Chemical processes in a natural fresh-/seawater mixing zone were studied in a shallow sandy aquifer. The dominant redox-processes are sulfate reduction and methanogenesis. Methanogenesis produces CO2, which causes calcite dissolution. The produced calcium induces ion exchange with sodium. The final result of these interactions between different types of geochemical processes is an anoxic groundwater enriched in bicarbonate and sodium.

M3 - Conference abstract in proceedings

VL - CD-ROM

BT - International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management.

PB - SWICA

CY - Essaouira, Morocco

T2 - International Conference on Saltwater Intrusion and Coastal Aquifers Monitoring, Modelling, and Management.

Y2 - 1 January 2001

ER -

Geochemical processes at a fresh/seawater interface in a shallow sandy aquifer

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