Chlorophyll-a Flushing Term

Chlorophyll-a response to nutrients tends to be lower in reservoirs with flushing rates >~25/yr or hydraulic residence times <~14 days.
 
Chl-a Models 1 & 2 include a term which accounts for this effect.
 
In situations where external inputs of chlorophll-a are large,  (e.g., in modeling a reservoir which is immediately downstream of another eutrophic reservoir), consideration of flushing effects may not be appropriate.
 
Values for the CHL-a FLUSHING TERM:

 = 1.0   (default) to account for flushing effects
 = 0.0   to ignore flushing effects