Abstract or Description

Iron in lakes promotes sedimentation, but only in the presence of oxygen; aluminum does so without oxygen. Sedimentation helps prevent algal blooms, but blooms deplete oxygen. To avoid a vicious cycle, the presence of aluminum, rather than iron, is desirable. (Whitney King, pers. com.)

Whitney King gave me point data representing measured aluminum and iron concentrations in the Belgrade Lakes. We hypothesized that they were determined by runoff from the surrounding land and would be correlated with the nearby land cover.


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