Geochemistry of tin in rivers and estuaries

Details Geochemistry of tin in rivers and estuaries Geochemistry of tin in rivers and estuaries

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986gecoa..50..835b&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 50, Issue 5, pp.835-845

Physics

Scientific paper

On the basis of measurements from a large number of rivers from pristine and polluted regions, we estimate the riverine fluxes of tin to the oceans to be 0.76 × 10 6 mol yr -1 for the dissolved fraction and 300-600 × 10 6 mol yr -1 for the paniculate fraction. The paniculate flux agrees with the flux calculated from denudation rates. Estuaries were found not to have a large effect upon the transport of tin to the oceans. Evidence for the remobilization of tin was found in an estuary that is highly polluted with tin from mining and smelting activities. Monobutyltin was found to be present in polluted estuaries and is presumed to be a degradation product of tributyltin additives to antifouling paint.

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