Underground gamma-ray measurements of radium isotopes from hydrothermal plumes in the deep Pacific Ocean
Underground gamma-ray measurements of radium isotopes from hydrothermal plumes in the deep Pacific Ocean
Date
2019-07-31
Authors
Hult, Mikael
Charette, Matthew A.
Lutter, Guillaume
Marissens, Gerd
Henderson, Paul B.
Sobiech-Matura, Katarzyna
Simgen, Hardy
Charette, Matthew A.
Lutter, Guillaume
Marissens, Gerd
Henderson, Paul B.
Sobiech-Matura, Katarzyna
Simgen, Hardy
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DOI
10.1016/j.apradiso.2019.108831
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Keywords
γ-ray spectrometry
HPGe detectors
Hydrothermal plume
Climate change
Underground laboratory
GEOTRACES
HPGe detectors
Hydrothermal plume
Climate change
Underground laboratory
GEOTRACES
Abstract
The radium isotopes 226Ra and 228Ra can provide important data on the dynamics of deep-sea hydrothermal plumes that travel the oceans for decades and have great impact on the ocean chemistry. This study focuses on parameters important for obtaining low detection limits for 228Ra using gamma-ray spectrometry. It is present at mBq-levels in samples collected during the US GEOTRACES 2013 cruise to the Southeast Pacific Ocean.
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© The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Hult, M., Charette, M., Lutter, G., Marissens, G., Henderson, P., Sobiech-Matura, K., & Simgen, H. Underground gamma-ray measurements of radium isotopes from hydrothermal plumes in the deep Pacific Ocean. Applied Radiation and Isotopes, 153, (2019): 108831, doi:10.1016/j.apradiso.2019.108831.
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Hult, M., Charette, M., Lutter, G., Marissens, G., Henderson, P., Sobiech-Matura, K., & Simgen, H. (2019). Underground gamma-ray measurements of radium isotopes from hydrothermal plumes in the deep Pacific Ocean. Applied Radiation and Isotopes, 153, 108831.
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