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Author Park, H.; Schlesinger, W.
Title Global biochemical cycle of boron Type Journal Article
Year 2002 Publication Global Biogeochemical Cycles Abbreviated Journal
Volume 16 Issue (up) Pages 1072
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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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Call Number THL @ luqianxue.zhang @ article Serial 94
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Author Pearce, C.R.; Parkinson, I.J.; Gaillardet, J.; Chetelat, B.; Burton, K.W.
Title Characterising the stable (δ88/86Sr) and radiogenic (87Sr/86Sr) isotopic composition of strontium in rainwater Type Journal Article
Year 2015 Publication Chemical Geology Abbreviated Journal
Volume 409 Issue (up) Pages 54-60
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Publisher Elsevier Place of Publication Editor
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Call Number THL @ luqianxue.zhang @ pearce2015characterising Serial 96
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Author Mazor, E.
Title Chemical and isotopic groundwater hydrology Type Book Whole
Year 2003 Publication Abbreviated Journal
Volume 98 Issue (up) Pages
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Publisher CRC press Place of Publication Editor
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Call Number THL @ luqianxue.zhang @ mazor2003chemical Serial 102
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Author Merkel, B.; Planer-Friedrich, B.; Nordstrom, D.
Title Groundwater Geochemistry: A Practical Guide to Modeling of Natural and Contaminated Aquatic Systems Type Journal Article
Year 2008 Publication Groundwater Geochemistry, by B.J. Merkel and B. Planer-Friedrich. Edited by D.K. Nordstrom. Berlin: Springer, 2008. ISBN: 978-3-540-74667-6 Abbreviated Journal
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Call Number THL @ luqianxue.zhang @ article Serial 104
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Author Mahindawansha, A.; Külls, C.; Kraft, P.; Breuer, L.
Title Estimating water flux and evaporation losses using stable isotopes of soil water from irrigated agricultural crops in tropical humid regions Type Journal Article
Year 2019 Publication Hydrology and Earth System Sciences Discussions Abbreviated Journal
Volume 2019 Issue (up) Pages 1-28
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Call Number THL @ christoph.kuells @ hess-2019-213 Serial 105
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