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Time history of trace elements in sediments from Standley Lake, Colorado

Heit, Merrill / Klusek, Catherine S. / Volchok, Herbert L. / Burke, John C.

Abstract Eighteen trace elements were analyzed in sections from a 50 cm long sediment core from Standley Lake, Colorado. The core was dated by the use of bomb-produced ¹³⁷Cs. Ten of the elements measured (Ag, Cd, Cu, Ga, Hg, Pb, Se, Sn, Tl, and Zn) appear to be enriched in this sediment; seven (Al, As, Be, Co, Cr, Ni, and V) are probably of local geological origin; and Te was not detected. Several of the constituents increase with depth in the sediment, and the concentrations of some compare to levels in lake sediments near highly industrialized centers. Based upon comparisons with other work, fluxes, enrichment factors, benzo(a)pyrene concentrations, and other evidence we conclude that the primary source of the “excess” elemental concentrations is local stream pollution.

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Time history of trace elements in sediments from Standley Lake, Colorado

Heit, Merrill / Klusek, Catherine S. / Volchok, Herbert L. / Burke, John C.

Abstract Eighteen trace elements were analyzed in sections from a 50 cm long sediment core from Standley Lake, Colorado. The core was dated by the use of bomb-produced ¹³⁷Cs. Ten of the elements measured (Ag, Cd, Cu, Ga, Hg, Pb, Se, Sn, Tl, and Zn) appear to be enriched in this sediment; seven (Al, As, Be, Co, Cr, Ni, and V) are probably of local geological origin; and Te was not detected. Several of the constituents increase with depth in the sediment, and the concentrations of some compare to levels in lake sediments near highly industrialized centers. Based upon comparisons with other work, fluxes, enrichment factors, benzo(a)pyrene concentrations, and other evidence we conclude that the primary source of the “excess” elemental concentrations is local stream pollution.

Time history of trace elements in sediments from Standley Lake, Colorado

Heit, Merrill / Klusek, Catherine S. / Volchok, Herbert L. / Burke, John C.

Abstract Eighteen trace elements were analyzed in sections from a 50 cm long sediment core from Standley Lake, Colorado. The core was dated by the use of bomb-produced ¹³⁷Cs. Ten of the elements measured (Ag, Cd, Cu, Ga, Hg, Pb, Se, Sn, Tl, and Zn) appear to be enriched in this sediment; seven (Al, As, Be, Co, Cr, Ni, and V) are probably of local geological origin; and Te was not detected. Several of the constituents increase with depth in the sediment, and the concentrations of some compare to levels in lake sediments near highly industrialized centers. Based upon comparisons with other work, fluxes, enrichment factors, benzo(a)pyrene concentrations, and other evidence we conclude that the primary source of the “excess” elemental concentrations is local stream pollution.

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Title:

Time history of trace elements in sediments from Standley Lake, Colorado

Contributors:

Heit, Merrill (author) / Klusek, Catherine S. (author) / Volchok, Herbert L. (author) / Burke, John C. (author)

Published in:

Environmental International ; 4 ; 229-237

Publication date:

1980-09-20

Size:

9 pages

ISSN:

DOI:

https://doi.org/10.1016/0160-4120(80)90170-1

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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