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Development and Application of a Phosphorus Balance Model for Lake Istokpoga, Florida
| Content Provider | Scilit |
|---|---|
| Author | Walker, William W. Havens, Karl E. |
| Copyright Year | 2003 |
| Description | Journal: Lake and Reservoir Management Hydrologic and phosphorus (P) mass balance models were constructed for Lake Istokpoga, a large shallow lake in Florida, USA. The objective was to use the models to determine whether there have been long-term trends in the processing of P by this lake, potentially impacting P exports to a downstream ecosystem (Lake Okeechobee). Higher lake P concentrations and outflow loads in recent years appear to be explained by higher runoff. A detailed basin survey will be needed to determine whether changes in land use in the predominantly agricultural and urban watershed also may have contributed to the increased P loads. Lake total P concentrations did not display a significant historical trend, nor did the lake's capacity to assimilate P. A number of statistical approaches are demonstrated that could have general application in establishing nutrient mass balances for lakes with sparse data sets for tributary flows and/or concentrations. Daily simulations of lake phosphorus and chloride levels demonstrate me feasibility of dynamic mass-balance modeling in shallow Florida lakes using simple first-order phosphorus removal kinetics. The model developed here could be used in setting a total maximum daily load (TMDL) for P, once an in-lake concentration goal has been specified. |
| Related Links | http://www.tandfonline.com/doi/pdf/10.1080/07438140309353990?needAccess=true |
| Ending Page | 91 |
| Page Count | 13 |
| Starting Page | 79 |
| ISSN | 10402381 |
| e-ISSN | 21515530 |
| DOI | 10.1080/07438140309353990 |
| Journal | Lake and Reservoir Management |
| Issue Number | 1 |
| Volume Number | 19 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 2003-03-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Lake and Reservoir Management Environmental Engineering Water Science and Technology Mass Balance Modeling Lake Istokpoga |
| Content Type | Text |