Global distribution of carbon in lakes and how they process carbon

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Some References

Distribution of Labile Dissolved Organic Carbon in Lake Michigan

http://www.jstor.org/pss/2837545

Biossay-measured, labile dissolved organic carbon (LDOC) concentrations were compared in near-bottom and near-surface Lake Michigan water between April and October 1986. In five of seven experiments, the LDOC concentration was higher in near-bottom water. LDOC reached 40.2% of the total DOC pool in the near-bottom water in late May and 13.8% in the near-surface water in early July. Concentration in near-bottom water was highest during early stratification; concentration in surface water varied less but was highest in early July. The data suggest than an allochthonous source of labile organic C may be important.