The 'age' of very old groundwater: Insights from reactive transport models

C. M. Bethke; T. Torgersen; J. Park

doi:10.1016/S0375-6742(00)00115-1

The 'age' of very old groundwater: Insights from reactive transport models

C. M. Bethke, T. Torgersen, J. Park

Earth Science and Environmental Change

Research output: Contribution to journal › Conference article › peer-review

Abstract

The distribution of radioactive and radiogenic isotopes such as ³⁶Cl and ⁴He provides important information about the residence time (or 'age') and flow velocity of groundwater in sedimentary basins, but the relationship between the distribution of an isotope and the basin hydrology is not always clear. We use reactive transport modeling to investigate the controls on isotope distribution and groundwater residence time in hypothetical and real flow regimes. Our results show that by moving beyond the simple 'piston flow' concept, we can use isotope distributions to constrain internally consistent descriptions of deep groundwater flow regimes within sedimentary basins. (C) 2000 Elsevier Science B.V. All rights reserved.

Original language	English (US)
Pages (from-to)	1-4
Number of pages	4
Journal	Journal of Geochemical Exploration
Volume	69-70
DOIs	https://doi.org/10.1016/S0375-6742(00)00115-1
State	Published - Jun 2000
Event	Geofluids III - 3rd International Conference on Fluid Evolution, Migration and Interaction in Sedimentary Basins and Orogenic Belts - Barcelona, Spain Duration: Jul 12 2000 → Jul 14 2000

Keywords

Basin hydrology
Groundwater age
Radioisotopes
Reactive transport

ASJC Scopus subject areas

Geochemistry and Petrology
Economic Geology

Online availability

10.1016/S0375-6742(00)00115-1

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title = "The 'age' of very old groundwater: Insights from reactive transport models",

abstract = "The distribution of radioactive and radiogenic isotopes such as 36Cl and 4He provides important information about the residence time (or 'age') and flow velocity of groundwater in sedimentary basins, but the relationship between the distribution of an isotope and the basin hydrology is not always clear. We use reactive transport modeling to investigate the controls on isotope distribution and groundwater residence time in hypothetical and real flow regimes. Our results show that by moving beyond the simple 'piston flow' concept, we can use isotope distributions to constrain internally consistent descriptions of deep groundwater flow regimes within sedimentary basins. (C) 2000 Elsevier Science B.V. All rights reserved.",

keywords = "Basin hydrology, Groundwater age, Radioisotopes, Reactive transport",

author = "Bethke, {C. M.} and T. Torgersen and J. Park",

note = "Copyright: Copyright 2011 Elsevier B.V., All rights reserved.; Geofluids III - 3rd International Conference on Fluid Evolution, Migration and Interaction in Sedimentary Basins and Orogenic Belts ; Conference date: 12-07-2000 Through 14-07-2000",

year = "2000",

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doi = "10.1016/S0375-6742(00)00115-1",

language = "English (US)",

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T2 - Geofluids III - 3rd International Conference on Fluid Evolution, Migration and Interaction in Sedimentary Basins and Orogenic Belts

AU - Bethke, C. M.

AU - Torgersen, T.

AU - Park, J.

PY - 2000/6

Y1 - 2000/6

N2 - The distribution of radioactive and radiogenic isotopes such as 36Cl and 4He provides important information about the residence time (or 'age') and flow velocity of groundwater in sedimentary basins, but the relationship between the distribution of an isotope and the basin hydrology is not always clear. We use reactive transport modeling to investigate the controls on isotope distribution and groundwater residence time in hypothetical and real flow regimes. Our results show that by moving beyond the simple 'piston flow' concept, we can use isotope distributions to constrain internally consistent descriptions of deep groundwater flow regimes within sedimentary basins. (C) 2000 Elsevier Science B.V. All rights reserved.

AB - The distribution of radioactive and radiogenic isotopes such as 36Cl and 4He provides important information about the residence time (or 'age') and flow velocity of groundwater in sedimentary basins, but the relationship between the distribution of an isotope and the basin hydrology is not always clear. We use reactive transport modeling to investigate the controls on isotope distribution and groundwater residence time in hypothetical and real flow regimes. Our results show that by moving beyond the simple 'piston flow' concept, we can use isotope distributions to constrain internally consistent descriptions of deep groundwater flow regimes within sedimentary basins. (C) 2000 Elsevier Science B.V. All rights reserved.

KW - Basin hydrology

KW - Groundwater age

KW - Radioisotopes

KW - Reactive transport

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DO - 10.1016/S0375-6742(00)00115-1

M3 - Conference article

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SN - 0375-6742

VL - 69-70

SP - 1

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JO - Journal of Geochemical Exploration

JF - Journal of Geochemical Exploration

Y2 - 12 July 2000 through 14 July 2000

ER -

The 'age' of very old groundwater: Insights from reactive transport models

Abstract

Keywords

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