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Conde, J. E., & Sanz Alaejos, M. (1997). Selenium concentrations in natural and environmental waters. Chemical Reviews, 97(6), 1979–2004.
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Celle-Jeanton, H., Travi, Y., Loÿe-Pilot, M. - D., Huneau, F., & Bertrand, G. (2009). Rainwater chemistry at a Mediterranean inland station (Avignon, France): local contribution versus long-range supply. Atmospheric Research, 91(1), 118–126.
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Bouzourra, H., Bouhlila, R., Elango, L., Slama, F., & Ouslati, N. (2015). Characterization of mechanisms and processes of groundwater salinization in irrigated coastal area using statistics, GIS, and hydrogeochemical investigations. Environmental Science and Pollution Research, 22(4), 2643–2660.
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Bailey, R. T. (2017). Selenium contamination, fate, and reactive transport in groundwater in relation to human health. Hydrogeology Journal, 25(4), 1191–1217.
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Park, H., & Schlesinger, W. (2002). Global biochemical cycle of boron. Global Biogeochemical Cycles, 16, 1072.
Abstract: The global Boron (B) cycle is primarily driven by a large flux (1.44 Tg B/yr) through the atmosphere derived from seasalt aerosols. Other significant sources of atmospheric boron include emissions during the combustion of biomass (0.26-0.43 Tg B/yr) and coal, which adds 0.20 Tg B/yr as an anthropogenic contribution. These known inputs to the atmosphere cannot account for the boron removed from the atmosphere during rainfall (3.0 Tg B/yr) and estimated dry deposition (1.3-2.7 Tg B/yr). In addition to atmospheric deposition, rock weathering is a source of boron (0.19 Tg B/yr) for terrestrial ecosystems, and humans mine about 0.31 Tg B/yr from the Earth's crust. More than 4.8 Tg B/yr circulates in the biogeochemical cycle of land plants, and about 0.53-0.63 Tg B/yr is carried from land to sea by rivers. The biogeochemical cycle of boron in the sea includes 4.4 Tg B/yr circulating in the marine biosphere, and an annual loss of 0.47 Tg B/yr to the oceanic crust via a variety of sedimentary processes that collectively remove only a small fraction of the total annual inputs to the oceans. Thus with our current understanding of the global biogeochemistry of B, the atmospheric budget shows outputs > inputs, while the marine compartments show inputs > outputs. Despite these uncertainties, it is clear that the human perturbation of the global B cycle has more than doubled the mobilization of B from the crust and contributes significantly to the B transport in rivers.
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