ARTICLE pubs.acs.org/est
Biogeochemical Mechanisms of Selenium Exchange between Water and Sediments in Two Contrasting Lentic Environments Alan J. Martin,*,† Stephanie Simpson,† Skya Fawcett,† Cheryl I. E. Wiramanaden,^,‡ Ingrid J. Pickering,‡ Nelson Belzile,§ Y.-W. Chen,§ Jacqueline London,|| and Dirk Wallschl€ager|| †
Lorax Environmental Services Ltd., Vancouver, British Columbia V6J 3H9, Canada University of Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada § Laurentian University, Sudbury, Ontario P3E 2C6, Canada Trent University, Peterborough, Ontario K9J 7B8, Canada
)
‡
bS Supporting Information ABSTRACT: The biogeochemical mechanisms of Se exchange between water and sediments in two contrasting lentic environments were assessed through examination of Se speciation in the water column, porewater, and sediment. High-resolution (7 mm) vertical profiles of
