EFDC_Explorer provides the ability to be able to define water quality boundary conditions with load concentrations rather than mass loading files. The tab that allows the user to select from various options for Water Quality Point Source Loading Option is shown in Figure 1 .
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Figure 1. Water Quality tab: Boundary Conditions.
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User can either overwrite or append a new water quality time series by clicking on Import & Convert WSPSLCWQPSLC.INP (Override) & Import & Convert WSPSLCWQPSLC.INP (Append) buttons, which is a load concentration file, with a concentration in kg per day. The WQ BC load concentrations rely on two new input files: WQPSLC.INP and WQPSL.INP. Note that WQPSL.INP is an EFDC_Explorer file and is not used by EFDC. It is often a very large file.
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