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I-129 in the Baltic Proper and Bothnian Sea: application for estimation of water exchange and environmental impact
Yi, P (Yi, P.)[ 1,2 ]; Possnert, G (Possnert, G.)[ 3,4 ]; Aldahan, A (Aldahan, A.)[ 2,5 ]; Hou, XL (Hou, X. L.)[ 6,7 ]; Bryhn, AC (Bryhn, A. C.)[ 8 ]; He, P (He, P.)[ 2 ]
2013-06-30
Source PublicationJOURNAL OF ENVIRONMENTAL RADIOACTIVITY
Volume120Pages:64-72
Subtype期刊论文
Abstract

We report here new data and a mass balance model for I-129 in the Baltic Proper and the Bothnian Sea covering the period from November-December 2009. The results showed that the general I-129 concentrations in the Bothnian Sea were two-four folds lower than in the Baltic Proper for both surface and deep water. Water exchange between the two basins based on the I-129 mass balance model suggests fluxes from the Baltic Proper to the Bothnian Sea and vice versa at 980 km(3)/y (600-1400 km(3)/y) and 1180 km(3)/y (780-1600 km(3)/y) respectively. Water retention time (residence time) in the Bothnian Sea was estimated at up to 4 years. Applying the I-129 exchange model, an estimate of total phosphorus and nitrogen inflow from the Baltic Proper to the Bothnian Sea indicates values of 20 +/- 7 x 10(3) tons/y and 300 +/- 50 x 10(3) tons/y respectively. The values for the outflow from the Bothnian Sea to the Baltic Proper hold 12 +/- 3 x 10(3) tons/y for total phosphorus and 283 +/- 55 x 10(3) tons/y for total nitrogen. These data and application of I-129 as a tracer of water masses provide information on small scale salinity changes which are vital for accurate understanding of the Baltic Sea ecosystems evolution through time.

KeywordRadioactive Iodine Bothnian Sea Water Exchange Baltic Sea Ams
DOI10.1016/j.jenvrad.2013.01.009
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10037
Collection加速器质谱中心
Corresponding AuthorYi, P (Yi, P.)[ 1,2 ]
Affiliation1.College of Hydrology and Water Resources, Hohai University, Nanjing, China;
2.Department of Earth Sciences, Uppsala University, Uppsala, Sweden;
3.Tandem Laboratory, Uppsala University, Uppsala, Sweden;
4.Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden;
5.Department of Geology, United Arab Emirates University, Al Ain, United Arab Emirates;
6.Risø National Laboratory for Sustainable Energy, Technical University of Denmark, Roskilde, Denmark;
7.Xi’an AMS centre, SKLLQG, Institute of Earth Environment, CAS, Xi’an 710075, China;
8.Department of Aquatic Resources, Swedish University of Agricultural Sciences, Oregrund, Sweden
Recommended Citation
GB/T 7714
Yi, P ,Possnert, G ,Aldahan, A ,et al. I-129 in the Baltic Proper and Bothnian Sea: application for estimation of water exchange and environmental impact[J]. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY,2013,120:64-72.
APA Yi, P ,Possnert, G ,Aldahan, A ,Hou, XL ,Bryhn, AC ,&He, P .(2013).I-129 in the Baltic Proper and Bothnian Sea: application for estimation of water exchange and environmental impact.JOURNAL OF ENVIRONMENTAL RADIOACTIVITY,120,64-72.
MLA Yi, P ,et al."I-129 in the Baltic Proper and Bothnian Sea: application for estimation of water exchange and environmental impact".JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 120(2013):64-72.
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