Scientific Investigations Report 2006–5060

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5060

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Table 4. Annual scenario results for the outflow from Hagg Lake, Oregon.

[Abbreviations: °C, degrees Celsius; mg/L, milligram per liter; μg/L, microgram per liter; N, nitrogen; P, phosphorus]

Scenario Water temperature,
mean (ºC)		 Above temperature standard
(degree days)		 Dissolved oxygen,
mean (mg/L)		 Dissolved oxygen,
minimum (mg/L)		 Ammonia, mean
(µg/L as N)		 Orthophosphate, mean
(µg/L as P)		 Chlorophyll a,
mean (µg/L)
2002
0 Base 9.1 60.5 8.76 4.2 10.7 6.27 0.64
1 a 8.5 48.2 7.88 3.8 10.0 6.94 0.32
b 10.0 67.1 8.01 4.7 11.5 6.47 0.49
2 a 11.6 0.0 7.99 0.7 11.5 5.67 0.89
b 12.1 0.0 8.22 2.6 11.8 5.36 0.79
3 a 11.0 0.6 8.21 3.4 11.2 5.50 0.98
b 11.4 40.1 8.44 4.9 11.4 5.53 0.79
4 a 10.9 11.4 8.26 0.8 10.8 5.31 0.83
b 11.3 16.4 8.37 2.3 11.1 4.96 0.89
5 a 8.1 0.1 7.11 3.7 9.4 7.23 0.18
b 10.4 63.4 7.59 4.8 11.6 6.50 0.46
6 a 12.7 0.0 7.36 1.6 12.0 5.77 0.83
b 13.0 0.0 7.80 3.2 12.0 5.58 0.44
7 a 12.1 2.8 7.77 2.3 11.9 5.24 0.86
b 12.1 38.0 8.11 4.8 11.8 5.16 0.86
8 a 11.9 12.0 7.85 1.9 11.4 5.12 0.67
b 12.4 23.8 8.09 3.1 11.4 4.63 0.87
9 a 7.7 0.0 7.74 5.2 9.5 7.46 0.14
b 10.0 55.8 8.07 5.3 11.2 6.85 0.38
10 a 7.2 0.0 8.48 5.2 9.3 7.24 0.17
b 9.4 55.8 8.54 5.3 10.9 6.76 0.37
11 a 11.2 0.0 8.71 2.5 11.5 5.93 0.85
b 11.9 0.0 8.79 4.8 11.8 5.69 0.50
12 a 9.8 0.5 9.02 3.0 11.0 5.85 0.72
b 10.7 18.3 8.98 5.8 11.5 5.52 0.84
13 a 10.8 20.7 9.27 3.3 10.9 5.28 0.86
b 11.6 22.7 9.29 4.5 10.9 4.43 1.14
14 a 11.4 0.0 8.33 2.4 13.2 10.20 1.02
b 12.0 0.0 8.32 3.5 13.3 9.45 0.75
15 a 11.6 0.0 7.96 0.8 12.4 7.29 1.08
b 12.2 0.0 8.16 2.9 12.6 7.06 0.70
2001
0 Base 11.8 111.3 7.85 5.1 12.4 5.06 0.82
14 a 12.6 0.0 7.03 0.2 13.6 6.06 0.44
b 13.2 0.3 7.43 1.1 12.6 5.36 0.51
15 a 12.7 0.0 7.02 0.3 13.9 6.04 0.46
b 13.2 0.5 7.43 1.1 12.6 5.35 0.53

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