WQM50K | WQunit | RVAR | WSunit | factor | divide by | *** doxx | mg/l | DOXY | lb/hr | 0.00525 | flow | temp | c | HEAT | BTU/hr | 2.917e-9 | flow | chla | ug/l | PHYT | lb/hr | 0.03672 | flow | flow | cms | WATR | acft/hr| 0.01428 | | po4x | kg/d | PO4D | lb/hr | 0.45359 | | nh4x | kg/d | NH3D | lb/hr | 0.45359 | | nh4x | kg/d | NH3A | lb/hr | 0.45359 | | nh4x | kg/d | NH3I | lb/hr | 0.45359 | | nh4x | kg/d | NH3C | lb/hr | 0.45359 | | no3x | kg/d | NO3D | lb/hr | 0.45359 | | totn | kg/d | NO3D | lb/hr | 0.45359 | | totn | kg/d | NH3D | lb/hr | 0.45359 | | totn | kg/d | NH3A | lb/hr | 0.45359 | | totn | kg/d | NH3I | lb/hr | 0.45359 | | totn | kg/d | NH3C | lb/hr | 0.45359 | | totn | kg/d | RORN | lb/hr | 0.45359 | | totn | kg/d | BODA | lb/hr | 0.01977 | | totn | kg/d | PHYT | lb/hr | 0.03914 | | totp | kg/d | PO4D | lb/hr | 0.45359 | | totp | kg/d | PO4A | lb/hr | 0.45359 | | totp | kg/d | PO4I | lb/hr | 0.45359 | | totp | kg/d | PO4C | lb/hr | 0.45359 | | totp | kg/d | RORP | lb/hr | 0.45359 | | totp | kg/d | BODA | lb/hr | 0.002736 | | totp | kg/d | PHYT | lb/hr | 0.005417 | | orgp | kg/d | RORP | lb/hr | 0.45359 | | orgp | kg/d | BODA | lb/hr | 0.002736 | | orgp | kg/d | PHYT | lb/hr | 0.005417 | | orgn | kg/d | RORN | lb/hr | 0.45359 | | orgn | kg/d | BODA | lb/hr | 0.01977 | | orgn | kg/d | PHYT | lb/hr | 0.03914 | | pipx | kg/d | PO4A | lb/hr | 0.45359 | | pipx | kg/d | PO4I | lb/hr | 0.45359 | | pipx | kg/d | PO4C | lb/hr | 0.45359 | | tocx | kg/d | TORC | lb/hr | 0.45359 | | tocx | kg/d | BODA | lb/hr | 0.1123 | | tocx | kg/d | PHYT | lb/hr | 0.2223 | | tssx | kg/d | SAND | ton/hr | 907.18 | | tssx | kg/d | SILT | ton/hr | 907.18 | | tssx | kg/d | CLAY | ton/hr | 907.18 | | tssx | kg/d | PHYT | lb/hr | 0.45359 | | sand | kg/d | SAND | ton/hr | 907.18 | | silt | kg/d | SILT | ton/hr | 907.18 | | clay | kg/d | CLAY | ton/hr | 907.18 | | phyt | kg/d | PHYT | lb/hr | 0.45359 | | end COMMENTS: ** 1 lb/day = .45359 kg/day ** 1 ton/day = 907.18 kg/day ******* wdms have loads in lb/hour, but hours are added in the program so total loads are by day ** 1 acft/day = 0.01428 cms ** BPCNTC = percentage of biomass which is carbon = 49 ** CVBPC = factor to convert P to C = 106 mols/mol ** CVBPN = factor to convert P to N = 16 mols/mol ** CVBO = factor to convert biomass to oxygen = 1.98 ** RATCLP = ratio of chla to P in phytoplankton = 0.6 ** BOD to carbon = BODA / CVBO * BPCNTC/100 = 0.2475 * .45359 = 0.1123 ** BOD to P = BODA / CVBO * BPCNTC/100 * (31/12 gP/gC per mole) / CVBPC = 0.00603 * .45359 = 0.002736 ** BOD to N = BODA / CVBO * BPCNTC/100 * (14/12 gN/gC per mole) / CVBPC * CVBPN = 0.0436 * .45359 = 0.01977 ** phytoplankton to carbon = PHYT * BPCNTC/100 = 0.49 * .45359 = 0.2223 ** phytoplankton to P = PHYT * BPCNTC/100 * (31/12 gP/gC per mole) / CVBPC = 0.0119 * .45359 = 0.005417 ** phytoplankton to N = PHYT * BPCNTC/100 * (14/12 gN/gC per mole) / CVBPC * CVBPN = 0.0863 * .45359 = 0.03914 ** phytoplankton to chla = PHYT * BPCNTC/100 * (31/12 gP/gC per mole) / CVBPC * RATCLP *1000 = 7.165 ** DO, Temperature, and chlorophyll are given in concentration rather ** than load through special treatment in the loading program ****** to calculate concentrations, divide load by flow ******* there must be a variable called 'flow' in this file ****** mass is lb per hour, but added to lb per day in the input file ** ** M ( lb/day ) ( m^3 ) (453590 mg) ( day ) ** [c] = --- --------- -------- --------- ------------ = M/Q * 0.00525 ( mg/l ) ** Q ( m^3/sec ) ( 1000 l ) ( lb ) (3600*24 sec ) *** ** ** sand, silt, clay gets multiplied by 2000 for a factor of 735.4 ** **** to calculate temperature, get heat relative to freezing, divide by mass and specific heat ** q ** T (c) = ----- ** M C ** ***** q (btu/day ) ** T(c) = ------------------------------------------------------------------------ ** (Q m^3) (1000 l) (3600*24 sec) (1000 g) ( 1 cal ) (0.003968 btu) ** (-----) (------) (-----------) (------) (-------) (------------) ** ( sec ) ( m^3 ) ( day ) ( l ) ( g c ) ( cal ) ** ** ** T(c) = q/Q * 2.917e-9 **