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A problem may occur with equation (39) as it is possible for the modeller to configure a perverse case where an owner would be required to borrow from other owners to pay for their share of the high flow loss. In the case where x = 1 this does not cause a problem as borrowing between owners does not affect the share of the division’s storage. For other cases, borrowing between owners will change the share of the division’s storage (Storage(o,t)) as changes in outflow will change q‾. In In theory this would indicate that high flow loss should be solved iteratively. However, as iterative solutions tend to impact performance, and the situation will only occur where outgoing lateral fluxes are so large as to reduce an owner’s outflow to less than zero, a solution that uses borrow and payback on division outflow is proposed. This means accepting in these cases a mismatch between q
and Storage(o,t) and .