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Probabilistic assessment of the impact of bottom sediment on doses to humans from a groundwater-mediated radionuclide release in a farm-lake scenario

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Probabilistic assessment of the impact of bottom sediment on doses to humans from a groundwater-mediated radionuclide release in a farm-lake scenario. / Pohjola, Jari; Turunen, Jari; Lipping, Tarmo; Ikonen, Ari.

julkaisussa: JOURNAL OF RADIOLOGICAL PROTECTION, Vuosikerta 39, Nro 2, 03.05.2019, s. 564–578.

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@article{b4233b003bd042719c6b61ee5dab1ac0,
title = "Probabilistic assessment of the impact of bottom sediment on doses to humans from a groundwater-mediated radionuclide release in a farm-lake scenario",
abstract = "Radionuclide transport with groundwater flow and subsequent doses topeople are an aspect to be studied when assessing the long-term safety ofgeological nuclear waste repositories. A scenario where the radionucliderelease migrates through a three-layer sediment structure of a lake in afarming environment is presented in this paper. The sediment column con-sists of deep (till), intermediate (glacio-aquatic sediment) and top layers(clay). The radionuclide release is assumed to enter the deep sediment layerfrom a bedrock fracture system at a rate of 1 Bq yr−1. The main objectives ofthe paper are to investigate the most contributing parameters, especiallylinked to the sediment layers, to the overall dose estimates for humans. Thesensitivity analysis was conducted in two phases where the Morris methodwas used for screening and the Extended Fourier Amplitude SensitivityTesting and Sobol’s methods were used for estimating total-order indices.The studied radionuclides, 36Cl, 135Cs, 129I, 94Nb, 237Np, 90Sr, 99Tc and 238U,exhibit differences in how the sediment layers affect the concentration in thelake water used for drinking, irrigation and watering cattle and subsequentlythe dose conversion factors for humans through ingestion, inhalation andexternal radiation.",
author = "Jari Pohjola and Jari Turunen and Tarmo Lipping and Ari Ikonen",
year = "2019",
month = "5",
day = "3",
doi = "10.1088/1361-6498/ab134d",
language = "English",
volume = "39",
pages = "564–578",
journal = "JOURNAL OF RADIOLOGICAL PROTECTION",
issn = "0952-4746",
publisher = "IOP Publishing",
number = "2",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Probabilistic assessment of the impact of bottom sediment on doses to humans from a groundwater-mediated radionuclide release in a farm-lake scenario

AU - Pohjola, Jari

AU - Turunen, Jari

AU - Lipping, Tarmo

AU - Ikonen, Ari

PY - 2019/5/3

Y1 - 2019/5/3

N2 - Radionuclide transport with groundwater flow and subsequent doses topeople are an aspect to be studied when assessing the long-term safety ofgeological nuclear waste repositories. A scenario where the radionucliderelease migrates through a three-layer sediment structure of a lake in afarming environment is presented in this paper. The sediment column con-sists of deep (till), intermediate (glacio-aquatic sediment) and top layers(clay). The radionuclide release is assumed to enter the deep sediment layerfrom a bedrock fracture system at a rate of 1 Bq yr−1. The main objectives ofthe paper are to investigate the most contributing parameters, especiallylinked to the sediment layers, to the overall dose estimates for humans. Thesensitivity analysis was conducted in two phases where the Morris methodwas used for screening and the Extended Fourier Amplitude SensitivityTesting and Sobol’s methods were used for estimating total-order indices.The studied radionuclides, 36Cl, 135Cs, 129I, 94Nb, 237Np, 90Sr, 99Tc and 238U,exhibit differences in how the sediment layers affect the concentration in thelake water used for drinking, irrigation and watering cattle and subsequentlythe dose conversion factors for humans through ingestion, inhalation andexternal radiation.

AB - Radionuclide transport with groundwater flow and subsequent doses topeople are an aspect to be studied when assessing the long-term safety ofgeological nuclear waste repositories. A scenario where the radionucliderelease migrates through a three-layer sediment structure of a lake in afarming environment is presented in this paper. The sediment column con-sists of deep (till), intermediate (glacio-aquatic sediment) and top layers(clay). The radionuclide release is assumed to enter the deep sediment layerfrom a bedrock fracture system at a rate of 1 Bq yr−1. The main objectives ofthe paper are to investigate the most contributing parameters, especiallylinked to the sediment layers, to the overall dose estimates for humans. Thesensitivity analysis was conducted in two phases where the Morris methodwas used for screening and the Extended Fourier Amplitude SensitivityTesting and Sobol’s methods were used for estimating total-order indices.The studied radionuclides, 36Cl, 135Cs, 129I, 94Nb, 237Np, 90Sr, 99Tc and 238U,exhibit differences in how the sediment layers affect the concentration in thelake water used for drinking, irrigation and watering cattle and subsequentlythe dose conversion factors for humans through ingestion, inhalation andexternal radiation.

U2 - 10.1088/1361-6498/ab134d

DO - 10.1088/1361-6498/ab134d

M3 - Article

VL - 39

SP - 564

EP - 578

JO - JOURNAL OF RADIOLOGICAL PROTECTION

JF - JOURNAL OF RADIOLOGICAL PROTECTION

SN - 0952-4746

IS - 2

ER -