Appendix C
a Constant
a Vector of constants
A Subset of Ν in Section 3.3
Aj m
+1 if flow in link (arc) m enters reservoir j 9 —1 if flow
in link (arc) m leaves reservoir j, 0 otherwise
A m
Oxygen production (A > 0) or reduction (A < 0) due mg/l/day
to plants and bottom deposits for each m
b Constant
b Vector of constants
bij Benefit of passing one unit of flow through arc (ΐ, j)
$/acre-ft
Bj t
The bound associated with node j of year t
$
BBimt
BOD concentration at beginning of link m in month i of mg/1
year t
BBA Branch and bound algorithm
BEimt
BOD concentration at end of link m in month i of year t mg/1
BOD Biological oxygen demand
BTimt
BOD concentration of tributary flow into link m in mg/1
month i of year t
BWm BOD concentration of waste water effluent discharged mg/1
from plant j in month i of year t
BWimt
BOD concentration of total waste water effluents dis- mg/1
charged into link m in month i of year t
BWj mAX
Maximum concentration of BOD discharged into link mg/1
m from treatment facilities associated with plant ;
BWj mia
Minimum concentration of BOD discharged into link mg/1
m from treatment facilities associated with plant j
c Constant
dj Cost of passing one unit of water flow between nodes i $/acre-ft
andj
c Vector of constants
Cki Capital cost per ton of crop k by method I
$/ton
C m Capacity of arc m (a connecting link between reser- acre-ft
voirs)
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