Monitoring of tritium concentration in Hanoi's precipitation from 2011 to 2016.

Autor: Anh HL; Isotope Hydrology Laboratory, Institute for Nuclear Science and Technology (INST), 179 HoangQuocViet, CauGiay, Hanoi, Vietnam. Electronic address: halananh@vinatom.gov.vn., Anh VT; Isotope Hydrology Laboratory, Institute for Nuclear Science and Technology (INST), 179 HoangQuocViet, CauGiay, Hanoi, Vietnam., Giap TV; Isotope Hydrology Laboratory, Institute for Nuclear Science and Technology (INST), 179 HoangQuocViet, CauGiay, Hanoi, Vietnam., Hong Thinh NT; Isotope Hydrology Laboratory, Institute for Nuclear Science and Technology (INST), 179 HoangQuocViet, CauGiay, Hanoi, Vietnam., Minh TK; Isotope Hydrology Laboratory, Institute for Nuclear Science and Technology (INST), 179 HoangQuocViet, CauGiay, Hanoi, Vietnam., Hoai V; Isotope Hydrology Laboratory, Institute for Nuclear Science and Technology (INST), 179 HoangQuocViet, CauGiay, Hanoi, Vietnam.
Jazyk: angličtina
Zdroj: Journal of environmental radioactivity [J Environ Radioact] 2018 Dec; Vol. 192, pp. 143-149. Date of Electronic Publication: 2018 Jun 20.
DOI: 10.1016/j.jenvrad.2018.06.009
Abstrakt: Tritium is a radioisotope of hydrogen and a component of the water molecule. It is a marker for reservoirs such as the stratosphere, troposphere, and oceans involved in the hydrological cycle. Tritium monitoring is an essential research tool in hydro-climate, dating for water and recharge groundwater. The Isotope Hydrology Laboratory has collected monthly precipitation samples in Hanoi for tritium concentration analysis. This paper reports the tritium concentrations in precipitation in the city from 2011 to 2016. The results show that monthly tritium concentration reached a maximum of 7.07 Tritium Units (TU) in August 2011. The mean annual tritium concentration stabilized from 2.03 to 3.36 TU. It suggests that tritium in monitoring station precipitation is predominantly natural. The seasonal variation trend of 3 H in precipitation at the Hanoi station is similar to those monitored at the Hong Kong station. The correlation of tritium and rainfall was also estimated.
(Copyright © 2018 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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