2013
DOI: 10.1016/j.scitotenv.2012.12.069
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Tritium in Japanese precipitation following the March 2011 Fukushima Daiichi Nuclear Plant accident

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Cited by 68 publications
(42 citation statements)
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“…Due to the water vapour exchange between the atmosphere and the sea (ocean) surface, coastal and oceanic stations show considerably lower tritium activity than the continental stations because the moisture evaporating from the sea/ocean is low in tritium content (ehhalt, 1971;Vreča et al, 2006). With the more-or-less natural tritium levels in modern precipitation, the technogenic emissions of tritium (from nuclear facilities, or from manufacturing or disposal of luminous consumer products, planned fusion demo facilities) are becoming more and more visible (hebert, 1990;rozansKI et al, 1991;MatsuMoto et al, 2013), and the knowledge of natural tritium distribution remains important from the environmental pollution point of view (thoMpson et al, 2015;ueda et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Due to the water vapour exchange between the atmosphere and the sea (ocean) surface, coastal and oceanic stations show considerably lower tritium activity than the continental stations because the moisture evaporating from the sea/ocean is low in tritium content (ehhalt, 1971;Vreča et al, 2006). With the more-or-less natural tritium levels in modern precipitation, the technogenic emissions of tritium (from nuclear facilities, or from manufacturing or disposal of luminous consumer products, planned fusion demo facilities) are becoming more and more visible (hebert, 1990;rozansKI et al, 1991;MatsuMoto et al, 2013), and the knowledge of natural tritium distribution remains important from the environmental pollution point of view (thoMpson et al, 2015;ueda et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Thus, the peak 3 H concentrations in the Hiso and Wariki rivers during 2011 were approximately 5e6 times the background 3 H concentration. As described before, Matsumoto et al (2013) reported that the 3 H concentration in the precipitation collected in Tsukuba City was 30 times the background concentration. They estimated the 3 H concentration in the air at Iitate Village, where our sampling points in both rivers were located, to be approximately 10 Bq m À3 -air immediately after the accident based on the relationship between the 3 H activity in air and distance from the FDNPP.…”
Section: H Concentrations In River Water During Base Flow Conditionmentioning
confidence: 54%
“…The FWT concentrations in plants about one month after the accident have been shown to depend roughly on distance from the FDNPP, with a maximum FWT concentration of 167 Bq L À1 at Namie Town, which is located 20 km northwest of the FDNPP. Matsumoto et al (2013) reported a distance dependence of 3 H concentrations in precipitation samples collected at sampling sites 170e700 km from the FDNPP. They reported that 3 H levels in the first rain on 21 March 2011 at Tsukuba City, which is located 170 km from the FDNPP to the southwest, were approximately 19 Bq L À1 , 30 times the level before the accident.…”
Section: Introductionmentioning
confidence: 99%
“…In general, the specific activity of T will increase in Niigata city in the spring due to spring peak. 10) In addition, in previous report, 11) the high specific activity of T disappeared in a few weeks after the accident. Nevertheless, this research shows that the specific activity of T almost disappeared after four months from the accident.…”
Section: Monthly Precipitationmentioning
confidence: 68%