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