Exchange of marine sodium for calcium during chemical weathering in the Isle aux Morts River basin, Newfoundland

Details Exchange of marine sodium for calcium during chemical weathering in the Isle aux Morts River basin, Newfoundland Exchange of marine sodium for calcium during chemical weathering in the Isle aux Morts River basin, Newfoundland

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982gecoa..46..361t&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 46, Issue 3, pp.361-365

Computer Science

1

Scientific paper

Seasalt corrections applied to major-ion data for the Isle aux Morts River, Newfoundland, using Cl - as the seawater indicator species, produce numerous negative values of Na + that occur chiefly in the winter, when the seasalt concentrations are high. The negative values of Na + are accompanied by slightly higher than usual concentrations of Ca ++ , suggesting an exchange reaction of the form: Ca silicate + 2 Na + = Na 2 silicate + Ca ++ , that is driven by seasalt. That the river receives seasalt inputs of normal major-ion seawater composition is indicated by analysis of precipitation chemistry data for nearby coastal stations.

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