Use of reaction path modeling to predict the chemistry of stream water and groundwater: a case study from the Fiume Grande valley (Calabria,Italy) |
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Authors: | Carmine Apollaro Luigi Marini Rosanna De Rosa |
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Affiliation: | (1) Department of Earth Sciences, University of Calabria, via Ponte Bucci 4, cubo 15B, 87036 Arcavacata di Rende (CS), Italy;(2) Laboratory of Geochemistry, Dip.Te.Ris., Genoa University, Corso Europa 26, 16132 Genoa, Italy |
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Abstract: | The irreversible water–rock mass exchanges leading to the production of the Fiume Grande valley (Calabria, Italy) stream waters and groundwaters, starting from local rainwaters, were simulated through reaction path modeling in reaction progress (stoichiometric) mode. The simulations assumed bulk dissolution of a phyllitic rock and calcite and precipitation of gibbsite, kaolinite, amorphous silica, illite, a smectite solid mixture, a hydroxide solid mixture, and a trigonal carbonate solid mixture. The analytical contents of major and trace elements in stream waters and groundwaters were satisfactorily reproduced. However, further investigations are necessary to clarify the fate of As in this natural systems. |
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Keywords: | Geochemistry Groundwater Stream water Reaction path modeling |
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