Vertical distribution of HTO and 125I- transport parameters in Boom Clay in the Essen-1 borehole (Mol, Belgium)

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Vertical distribution of HTO and 125I- transport parameters in Boom Clay in the Essen-1 borehole (Mol, Belgium). / Aertsens, Marc; Maes, Norbert; Labat, Serge; Van Gompel, Marc; Maes, Tom.

In: Physics and Chemistry of the Earth, Vol. 65, 06.2013, p. 90-97.

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@article{7d1e13f3018841a481f9c99c5920df4b,
title = "Vertical distribution of HTO and 125I- transport parameters in Boom Clay in the Essen-1 borehole (Mol, Belgium)",
abstract = "In Belgium, Boom Clay is studied as reference host formation for nuclear waste disposal. For a safety analysis, it is important to know the transport rates of radionuclides in Boom Clay. Therefore one needs to know the value of (a) the product of the diffusion accessbile porosity and the retardation factor, and (b) the apparent dispersion coefficient, as well as the hydraulic conductivity K. Initially, the transport parameters have been determined on clay cores taken from the HADES Underground Research Facility in Mol. In 1997, the Mol-1 borehole was drilled to measure the distribution of the transport parameters as a function of depth and stratigraphy. To evaluate the transferability of these results over the whole Campine Basin, boreholes have been drilled at several locations and cores have been sampled over the entire thickness of the Boom Clay formation. The present study assesses the vertical variability of the transport parameters for the Essen-1 borehole. The transport parameter values at Essen-1 are compared with the values at other boreholes to get insight in the overall lateral variability. Special care is taken on the influence of the pore water.",
keywords = "Boom Clay, apparent diffusion coefficient, accessible porosity, hydraulic conductivity, lateral transferability",
author = "Marc Aertsens and Norbert Maes and Serge Labat and {Van Gompel}, Marc and Tom Maes",
note = "Score = 10; Clays in Natural and Engineered Barriers for Radioactive Waste Confinement ; Conference date: 29-03-2010 Through 01-04-2010",
year = "2013",
month = jun,
doi = "10.1016/j.pce.2013.05.006",
language = "English",
volume = "65",
pages = "90--97",
journal = "Physics and Chemistry of the Earth",
issn = "1474-7065",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Vertical distribution of HTO and 125I- transport parameters in Boom Clay in the Essen-1 borehole (Mol, Belgium)

AU - Aertsens, Marc

AU - Maes, Norbert

AU - Labat, Serge

AU - Van Gompel, Marc

AU - Maes, Tom

N1 - Score = 10

PY - 2013/6

Y1 - 2013/6

N2 - In Belgium, Boom Clay is studied as reference host formation for nuclear waste disposal. For a safety analysis, it is important to know the transport rates of radionuclides in Boom Clay. Therefore one needs to know the value of (a) the product of the diffusion accessbile porosity and the retardation factor, and (b) the apparent dispersion coefficient, as well as the hydraulic conductivity K. Initially, the transport parameters have been determined on clay cores taken from the HADES Underground Research Facility in Mol. In 1997, the Mol-1 borehole was drilled to measure the distribution of the transport parameters as a function of depth and stratigraphy. To evaluate the transferability of these results over the whole Campine Basin, boreholes have been drilled at several locations and cores have been sampled over the entire thickness of the Boom Clay formation. The present study assesses the vertical variability of the transport parameters for the Essen-1 borehole. The transport parameter values at Essen-1 are compared with the values at other boreholes to get insight in the overall lateral variability. Special care is taken on the influence of the pore water.

AB - In Belgium, Boom Clay is studied as reference host formation for nuclear waste disposal. For a safety analysis, it is important to know the transport rates of radionuclides in Boom Clay. Therefore one needs to know the value of (a) the product of the diffusion accessbile porosity and the retardation factor, and (b) the apparent dispersion coefficient, as well as the hydraulic conductivity K. Initially, the transport parameters have been determined on clay cores taken from the HADES Underground Research Facility in Mol. In 1997, the Mol-1 borehole was drilled to measure the distribution of the transport parameters as a function of depth and stratigraphy. To evaluate the transferability of these results over the whole Campine Basin, boreholes have been drilled at several locations and cores have been sampled over the entire thickness of the Boom Clay formation. The present study assesses the vertical variability of the transport parameters for the Essen-1 borehole. The transport parameter values at Essen-1 are compared with the values at other boreholes to get insight in the overall lateral variability. Special care is taken on the influence of the pore water.

KW - Boom Clay

KW - apparent diffusion coefficient

KW - accessible porosity

KW - hydraulic conductivity

KW - lateral transferability

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_133668

UR - http://knowledgecentre.sckcen.be/so2/bibref/11157

U2 - 10.1016/j.pce.2013.05.006

DO - 10.1016/j.pce.2013.05.006

M3 - Article

VL - 65

SP - 90

EP - 97

JO - Physics and Chemistry of the Earth

JF - Physics and Chemistry of the Earth

SN - 1474-7065

T2 - Clays in Natural and Engineered Barriers for Radioactive Waste Confinement

Y2 - 29 March 2010 through 1 April 2010

ER -

ID: 189730