Electronic Resource
Springer
Environmental geology
1 (1975), S. 131-136
ISSN:
1432-0495
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
Notes:
Abstract Once inputs of mercury-bearing effluents to a fluvial system are stopped, levels of contamination will decline slowly to background values. Crystalline mercury phases will dissolve in response to lowered aqueous mercury concentrations, and aqueous Hg(OH)2 will desorb from ferric hydroxide grain coatings as the coatings age to more ordered phases. In the Ottawa River, mercury concentrations in bed sediments are declining by about 50 percent annually.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02428939
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