INPUT/OUTPUT MODELS AS DECISION AIDS FOR LAKE RESTORATION1
- 8 June 1980
- journal article
- Published by Wiley in Jawra Journal of the American Water Resources Association
- Vol. 16 (3) , 494-500
- https://doi.org/10.1111/j.1752-1688.1980.tb03903.x
Abstract
Over the past several years, input/output models have been used increasingly as decisionmaking aids in the design of lake restoration activities because they provide an approximation of the link between nutrient influx and lake trophic status. To evaluate the applicability of these models as design tools, a study was conducted in which “before” and “after” data were obtained for 25 lakes which experienced reductions in nutrient inflow, and comparisons were made of observed and predicted changes in lake conditions. Three input/output models were used as predictive tools to describe lake response: those reported by Dillon and Rigler (1974) and by Vollenweider (1975, 1976). Based on described trophic states of oligotrophic, mesotrophic, and eutrophic, it was found that all three models yielded accurate predictions for at least 70 percent of the study lakes. The model of Vollenweider (1976) performed slightly better than the other two (80 percent correct) on the data set studied.Keywords
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