55 
Group 3: 
K d = 1.0895 + 0.4160*(rl_5Turb) + 0.0140*(Chlorophyll a) - 0.0950*(Salinity) 
Group 4: 
K d = -0.8991 + 0.4338*(rl_5Turb) + 0.0180*(Chlorophyll a) + 0.0912*(Salinity) 
Group 5: 
K d = 0.8191 + 0.2691 *(rl_5Turb) - 0.0084*(Chlorophyll a) + 0.0384*(Salinity) 
Group 6: 
K d = 0.0493 + 0.4658*(rl_5Turb) + 0.0100*(Chlorophyll a) - 0.0090*(Salinity) 
ANCOVA results of K d -Turbidity regression for tributary groups for Maryland Data 
Flow, (run date = December 28, 2006). 
Table D-7. Tributaries in Group 1. 
Tributary Group Tributaries 
1 Bush River 
Gunpowder River 
Magothy River 
Middle River 
St. Mary’s River 
Table D-8. ANCOVA for tributaries in Group 1. 
Sum of 
Source 
DF 
Squares 
Mean Square 
F Value 
p-value 
Model 
19 
483.54 
25.45 
47.13 
0.0000 
tributary 
4 
0.37 
0.09 
0.17 
0.9530 
rl_5turb 
1 
73.39 
73.39 
135.91 
0.0000 
rl_5turb*tributary 
4 
1.58 
0.39 
0.73 
0.5710 
xCHLA 
1 
11.09 
11.09 
20.53 
0.0000 
xCHLA*tributary 
4 
6.23 
1.56 
2.88 
0.0225 
xlnSALINITY 
1 
0.21 
0.21 
0.40 
0.5294 
xlnSALINIT*tributary 
4 
0.50 
0.12 
0.23 
0.9218 
Error 
390 
210.60 
0.54 
— 
— 
Corrected Total 
409 
694.13 
- 
- 
- 
appendix d • Derivation of Regressions 
