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Emadi*, M.; Baghernejad, M. |
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Comparison of spatial interpolation techniques for mapping soil pH and salinity in agricultural coastal areas, northern Iran |
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2014 |
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Arch. Agron. Soil Sci. |
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60:9 |
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1315-1327 |
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CUT @ phaedon.kyriakidis @ Emadia2014 |
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136 |
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Author |
Varouchakis, E.A.; Theodoridou, P.G.; Karatzas, G.P. |
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Title |
Decision-making tool for groundwater level spatial distribution and risk assessment using geostatistics in R |
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Journal Article |
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2020 |
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J. Hazard. Toxic Radioact. Waste |
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24 (1) |
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04019031 |
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CUT @ phaedon.kyriakidis @ varouchakis2020 |
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106 |
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Herckenrath*, D.; Langevin, C.D.; Doherty, J. |
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Title |
Predictive uncertainty analysis of a saltwater intrusion modelusing null‐space Monte Carlo |
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Journal Article |
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2011 |
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Water Resour. Res. |
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47 |
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05504 |
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CUT @ phaedon.kyriakidis @ Herckenrath2011 |
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150 |
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Park, H.; Schlesinger, W. |
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Title |
Global biochemical cycle of boron |
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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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THL @ luqianxue.zhang @ article |
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94 |
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Stigter, T.Y.; van Ooijen, S.P.J.; Post, V.E.A.; Appelo, C.A.J.; Carvalho Dill, A.M.M. |
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A hydrogeological and hydrochemical explanation of the groundwater composition under irrigated land in a Mediterranean environment, Algarve, Portugal |
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1998 |
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Journal of Hydrology |
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208 |
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3 |
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262-279 |
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In the Campina de Faro, in the south of Portugal, agricultural practices have a large impact on groundwater composition. These practices involve pumping of water for irrigation from combinations of large diameter, shallow wells (noras) and small diameter, deep boreholes (furos). Excess irrigation water returns to the aquifer and mixes with water from the regional groundwater flow system. This irrigation return flow is concentrated by strong evapotranspiration and by flushing of fertilisers. The concentration increase induces cation exchange, whereby Ca on the soil exchanger is replaced by Na. The mixing in the aquifer allows application of a mixing cell model which may then be used to calculate transmissivities from the Cl mass balance. The calculations are complicated by the time-variant behaviour of Cl and the method is adjusted to calculate the change of chloride in time. Results from the calculations appear to be in good agreement with hydrochemical observations. |
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0022-1694 |
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THL @ christoph.kuells @ Stigter1998 |
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38 |
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