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TABLE 2.3.2-1: ANNUAL HEAT BUDGET, CAYUGA LAKE

INVESTIGATOR
YEARS USED AS BASIS OF CALCULATION
ANNUAL HEAT BUDGET*
(BTU/FT2)
(J/M2)

Birge and Juday

1910, 1911

144,000

1.6E+09

Henson

1950-1953

137,000

1.6E+09

Sunderam et al.

1968

185,000

2.1E+09

JEEAI

1986-1995
Mean
Minimum
Maximum


123,000
115,000
130,000


1.4E+09
1.3E+09
1.5E+09

* The annual heat budget is defined as the gain in heat storage in Cayuga Lake from the time of minimum heat content (March) to the time of maximum heat content (August).

Btu/ft2 - British thermal units per square foot
J/M2 - joules per square meter
JEEAI - J.E. Edinger Associates, Inc.

 

TABLE 2.3.2-2: AVERAGE MONTHLY HEAT STORAGE PER UNIT SURFACE AREA J/M2, WITHOUT THE LSC OPERATION

 

JAN

FEB

MAR

APR

MAY

JUNE

JULY

AUG

SEPT

OCT

NOV

DEC

ANNUAL AVERAGE

1986

6.29E+08

4.92E+08

5.03E+08

7.64E+08

1.18E+09

1.63E+09

1.87E+09

1.98E+09

1.92E+09

1.75E+09

1.37E+09

8.97E+08

1.25E+09

1987

5.89E+08

5.17E+08

5.52E+08

7.84E+08

1.15E+09

1.60E+09

1.88E+09

1.97E+09

1.90E+09

1.68E+09

1.34E+09

9.67E+08

1.24E+09

1988

6.52E+08

5.17E+08

5.16E+08

7.19E+08

1.00E+09

1.46E+09

1.78E+09

1.96E+09

1.88E+09

1.66E+09

1.31E+09

9.76E+08

1.20E+09

1989

6.45E +08

5.13E+08

5.09E+08

6.78E+08

9.91E+08

1.39E+09

1.75E+09

1.87E+09

1.85E+09

1.64E+09

1.36E+09

8.82E+08

1.17E+09

1990

5.82E+08

4.79E+08

5.06E+08

6.60E+08

1.04E+09

1.43E+09

1.76E+09

1.90E+09

1.87E+09

1.72E+09

1.40E+09

1.09E+09

1.20E+09

1991

7.51E+08

6.29E+08

6.12E+08

7.86E+08

1.18E+09

1.61E+09

1.85E+09

1.94E+09

1.93E+09

1.70E+09

1.39E+09

1.02E+09

1.28E+09

1992

6.97E+08

4.74E+08

4.16E+08

5.28E+08

9.48E+08

1.37E+09

1.68E+09

1.81E+09

1.87E+09

1.68E+09

1.34E +09

9.63E+08

1.15E+09

1993

7.03E+08

5.95E+08

5.57E+08

7.28E+08

1.16E+09

1.50E+09

1.85E+09

1.97E+09

1.94E+09

1.67E+09

1.36E+09

9.82E+08

1.25E+09

1994

6.39E+08

5.89E+08

5.91E+08

7.64E+08

1.09E+09

1.54E+09

1.88E+09

1.96E+09

1.90E+09

1.71E+09

1.48E+09

1.12E+09

1.27E+09

1995

8.01E+08

5.84E+08

5.72E+08

6.90E+08

1.03E+09

1.47E+09

1.83E+09

1.98E+09

1.91E+09

-

-

-

1.21E+09

Min.

5.82E+08

4.74E+08

4.16E+08

5.28E+08

9.48E+08

1.37E+09

1.68E+09

1.81E+09

1.85E+09

1.64E+09

1.31E+09

8.82E+08

1.12E+09

Mean

6.69E+08

5.39E+08

5.33E+08

7.10E+08

1.08E+09

1.50E+09

1.81E+09

1.93E+09

1.90E+09

1.69E+09

1.37E+09

9.89E+08

123E+09

Max.

8.01E+08

6.29E+08

6.12E+08

7.86E+08

1.18E+09

1.63E+09

1.88E+09

1.98E+09

1.94E+09

1.75E+09

1.48E+09

1.12E+09

1.32E+09

J/M2 - joules per square meter

 

TABLE 2.3.2-3: AVERAGE TEMPERATURE AND STANDARD DEVIATION RECORDED BY THERMISTORS AT S11, 1995 AND 1996

 Average Temperature
1995
   1m 10m 20m 30m 40m 50m 60m 65m 70m
oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF
May 8.8 47.9 7.3 45.2 6.4 43.5 5.8 42.5 5.6 42.0 5.0 41.0 4.6 40.2 4.5 40.1 4.4 40.0
June 15.2 59.3 11.5 52.8 8.9 48.0 7.4 45.3 6.3 43.3 5.4 41.8 5.0 40.9 4.7 40.5 4.8 40.6
July 21.7 71.1 16.7 62.1 10.1 50.1 7.5 45.5 6.2 43.2 5.4 41.8 5.0 40.9 4.8 40.7 4.8 40.6
August 24.4 75.8 19.9 67.8 10.8 51.5 7.6 45.7 6.2 43.1 5.5 41.9 5.0 41.0 4.9 40.8 4.8 40.6
September 19.2 66.5 17.9 64.1 12.3 54.1 8.3 46.9 6.4 43.5 5.6 42.1 5.1 41.2 5.0 41.1 4.9 40.9
October 14.9 58.8 14.3 57.7 12.1 53.8 9.2 48.6 7.0 44.6 6.0 42.8 5.4 41.7 5.2 41.4 5.2 41.3
November 9.1 48.3 9.0 48.1 8.6 47.5 8.2 46.7 7.5 45.5 7.1 44.7 6.5 43.7 6.2 43.1 5.9 42.7
 Standard Deviation
 1995
   1m 10m 20m 30m 40m 50m 60m 65m 70m
oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF
May 2.0 3.6 1.6 2.9 1.2 2.1 0.9 1.7 0.9 1.6 0.6 1.1 0.5 0.8 0.4 0.7 0.3 0.5
June 3.0 5.3 2.4 4.4 1.8 3.2 1.5 2.7 1.2 2.1 0.6 1.2 0.3 0.6 0.2 0.4 0.2 0.4
July 2.6 4.7 3.4 6.1 2.2 3.9 1.0 1.8 0.7 1.3 0.4 0.7 0.2 0.4 0.2 0.3 0.1 0.2
August 1.1 2.0 4.0 7.3 3.1 5.5 0.9 1.7 0.5 0.9 0.3 0.5 0.2 0.3 0.2 0.3 0.1 0.2
September 2.5 4.4 3.7 6.6 3.9 7.0 2.0 3.5 1.1 2.1 0.5 1.0 0.3 0.5 0.2 0.4 0.2 0.4
October 2.0 3.5 2.5 4.5 2.9 5.2 2.5 4.4 1.8 3.3 1.4 2.5 1.0 1.9 0.6 1.1 0.3 0.5
November 1.9 3.4 1.9 3.3 1.8 3.2 1.7 3.1 1.6 2.9 1.5 2.7 1.2 2.2 1.1 2.0 0.9 1.6
 Average Temperature
 1996
   1m 10m 20m 30m 40m 50m 60m 65m 70m
oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF
May 7.2 45.0 5.2 41.4 4.8 40.6 4.4 39.9 4.2 39.6 4.0 39.3 4.0 39.2 3.9 39.0 3.8 38.9
June 14.4 57.9 10.1 50.2 6.7 44.1 5.4 41.6 4.6 40.4 4.1 39.3 4.1 39.3 4.1 39.3 4.0 39.3
July 19.6 67.2 15.1 59.1 9.3 48.8 6.4 43.5 5.0 40.9 4.4 39.8 4.1 39.4 4.1 39.5 4.1 39.3
August 21.5 70.7 18.2 64.8 10.2 50.3 6.2 43.1 4.7 40.5 4.2 39.6 4.3 39.7 4.1 39.3 4.1 39.5
September 19.7 67.5 17.3 63.1 11.0 51.8 6.9 44.5 5.1 41.2 4.3 39.8 4.1 39.4 4.1 39.3 4.2 39.6
October 13.3 55.9 12.8 55.0 10.6 51.1 8.7 47.7 7.2 45.0 5.6 42.2 4.8 40.6 4.5 40.1 4.5 40.1
November 9.3 48.7 9.3 48.7 8.8 47.9 8.3 47.0 7.5 45.5 6.8 44.2 6.1 43.1 5.8 42.4 5.5 42.0
 Standard Deviation
 1996
   1m 10m 20m 30m 40m 50m 60m 65m 70m
oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF oC oF
May 2.9 5.3 1.7 3.0 1.2 2.2 0.8 1.5 0.7 1.3 0.6 1.1 0.4 0.8 0.4 0.6 0.3 0.5
June 3.7 6.6 3.4 6.1 2.2 4.0 1.1 2.0 0.5 0.9 0.2 0.3 0.1 0.1 0.1 0.1 0.1 0.1
July 1.2 2.2 3.4 6.0 3.7 6.6 2.3 4.2 0.8 1.4 0.2 0.4 0.1 0.2 0.1 0.1 0.1 0.1
August 1.6 2.9 2.0 3.6 2.6 4.7 1.3 2.4 0.6 1.0 0.1 0.3 0.1 0.1 0.1 0.1 0.1 0.1
September 3.3 6.0 3.6 6.6 3.8 6.9 2.7 4.8 1.3 2.4 0.5 0.9 0.2 0.3 0.1 0.2 0.1 0.2
October 1.1 2.0 1.5 2.7 2.7 4.9 3.2 5.8 2.9 5.3 2.1 3.8 0.9 1.6 0.5 0.9 0.3 0.5
November 1.3 2.3 1.2 2.1 1.4 2.4 1.5 2.8 1.7 3.0 1.7 3.1 1.4 2.6 1.3 2.3 1.0 1.8

1995 data used in analysis include May 1 to November 29.
1996 data used in analysis include May 3 to Novermber 30.

 

TABLE 2.3.2-4: MEAN STANDARD DEVIATION AND ROOT MEAN SQUARE OF THE TEMPERATURE DIFFERENCE (COMPUTED MINUS OBSERVED) FOR THE S11 THERMOGRAPHS FOR THE 1995 RECORD

DEPTH (METERS)

N

MEAN (°C)

STANDARD DEVIATION (°C)

ROOT MEAN SQUARE (°C)

1

155

0

2.27

2.3

10

155

0.1

1.64

1.6

20

155

-0.6

1.54

1.7

30

155

-0.8

0.79

1.1

40

155

-0.6

0.63

0.9

50

155

-0.4

0.37

0.6

60

155

-0.3

0.26

0.4

65

155

-0.3

0.21

0.4

70

155

-0.3

0.17

0.4

Based on 4/28/95 to 9/29/95 and daily averages.

 

TABLE 2.3.2-5: DIFFERENCE IN TEMPERATURE (C)* BETWEEN INTAKE SEGMENT AND UPLAKE SEGMENT BY DEPTH AND MONTH

Water temperature projected in model segment 7 minus water temperature projected in model segment 12 (average of 10 years).

MEAN

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

-0.09

-0.09

-0.07

-0.02

-0.11

-0.33

-0.52

-0.48

-0.40

-0.20

-0.04

-0.07

10

-0.14

-0.10

-0.05

0.05

0.16

0.15

-0.03

-0.07

-0.29

-0.14

0.10

-0.02

20

-0.11

-0.08

0.03

0.10

-0.17

-0.26

-0.13

-0.11

-0.04

-0.11

-0.15

-0.26

30

0.03

0.02

0.09

-0.02

-0.56

-0.26

-0.09

-0.09

-0.17

-0.41

-0.62

-0.44

40

0.18

0.07

0.11

-0.01

-0.36

-0.05

0.00

-0.01

-0.03

-0.11

-0.28

-0.27

50

0.16

0.02

0.07

0.00

-0.19

-0.02

-0.02

-0.03

-0.04

-0.05

-0.11

-0.19

60

0.09

-0.02

0.06

0.00

-0.11

-0.04

-0.03

-0.04

-0.06

-0.06

-0.07

-0.13

65

0.04

-0.05

0.06

0.00

-0.08

-0.02

0.01

-0.01

-0.03

-0.05

-0.10

-0.12

70

0.02

-0.07

0.05

0.01

-0.07

-0.01

0.03

0.01

-0.01

-0.03

-0.08

-0.16

 

STANDARD DEVIATION

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.22

0.18

0.14

0.21

0.32

0.58

0.61

0.41

0.27

0.25

0.25

0.19

10

0.26

0.16

0.15

0.37

0.80

1.03

0.81

0.60

0.50

0.41

0.39

0.26

20

0.40

0.27

0.25

0.48

0.77

0.71

0.48

0.42

0.50

0.35

0.32

0.28

30

0.44

0.39

0.30

0.43

0.64

0.65

0.28

0.30

0.47

0.58

0.45

0.39

40

0.43

0.47

0.36

0.37

0.44

0.39

0.16

0.14

0.18

0.35

0.49

0.38

50

0.38

0.39

0.41

0.33

0.29

0.26

0.11

0.08

0.10

0.24

0.47

0.38

60

0.30

0.29

0.40

0.28

0.21

0.18

0.11

0.08

0.08

0.12

0.36

0.37

65

0.24

0.21

0.36

0.26

0.16

0.15

0.09

0.07

0.07

0.09

0.24

0.35

70

0.21

0.18

0.34

0.23

0.14

0.14

0.07

0.06

0.05

0.07

0.19

0.32

 

MAXIMUM DIFFERENCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.62

0.38

0.53

1.17

0.75

1.19

0.67

0.49

0.13

0.52

1.12

0.70

10

0.81

0.64

0.86

2.43

3.18

4.18

2.28

2.38

1.16

0.75

1.27

1.03

20

1.09

0.78

0.89

1.95

1.91

2.55

1.54

1.10

1.61

0.98

0.69

0.57

30

1.29

1.47

0.91

1.10

1.13

1.30

1.25

0.78

0.69

0.80

0.40

0.80

40

1.63

2.35

1.30

1.17

0.54

0.95

0.81

0.69

0.78

0.55

0.99

0.84

50

1.30

1.88

1.71

1.40

0.58

0.85

0.38

0.33

0.24

0.81

1.02

1.02

60

1.21

1.30

1.77

1.01

0.74

0.64

0.16

0.17

0.14

0.51

2.00

0.99

65

0.85

0.96

1.46

0.96

0.50

0.38

0.19

0.10

0.08

0.11

0.80

1.27

70

0.79

0.79

1.71

0.90

0.46

0.42

0.21

0.10

0.08

0.11

0.21

0.75

 

MINIMUM DIFFERNCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

-1.04

-1.07

-0.50

-1.04

-1.42

-2.70

-2.83

-2.27

-1.68

-1.11

-0.81

-1.29

10

-1.16

-0.77

-0.86

-1.41

-1.74

-3.35

-1.99

-1.76

-1.76

-1.45

-1.47

-0.73

20

-1.32

-0.91

-0.77

-2.52

-2.55

-2.77

-2.46

-1.73

-1.63

-1.15

-1.48

-1.11

30

-1.19

-1.06

-0.67

-1.65

-3.45

-5.07

-1.80

-2.79

-3.38

-3.25

-1.98

-1.59

40

-0.98

-1.24

-1.02

-1.24

-1.82

-2.73

-0.70

-0.68

-0.99

-1.93

-1.96

-1.36

50

-1.21

-1.12

-1.02

-0.93

-1.33

-1.75

-1.18

-0.35

-0.49

-1.27

-1.79

-1.36

60

-0.45

-1.42

-1.34

-0.92

-1.22

-1.02

-0.70

-0.40

-0.38

-0.52

-1.78

-1.30

65

-0.33

-0.35

-0.99

-0.85

-0.80

-0.63

-0.40

-0.49

-0.39

-0.61

-1.65

-1.39

70

-0.34

-0.36

-0.76

-0.64

-0.63

-0.71

-0.25

-0.36

-0.38

-0.44

-1.32

-1.66

* To convert to °F, multiply by 1.80.

 

TABLE 2.3.2-6: DIFFERENCE IN TEMPERATURE (C)* AT THE MODEL SEGMENT CONTAINING THE LSC OUTFALL BY DEPTH AND MONTH, WITH AND WITHOUT LSC

Monthly averages developed from 10 years' model output.

MEAN

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.04

0.05

0.04

0.02

0.01

0.00

0.00

-0.01

0.00

0.03

0.02

0.03

10

0.06

0.04

0.06

0.02

0.01

0.02

0.03

0.04

0.03

0.03

0.04

0.02

20

0.05

0.05

0.06

0.02

0.01

0.02

0.04

0.06

0.08

0.05

0.03

0.02

 

STANDARD DEVIATION

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.20

0.11

0.13

0.05

0.05

0.06

0.05

0.03

0.03

0.04

0.06

0.06

10

0.21

0.14

0.11

0.04

0.07

0.08

0.07

0.07

0.05

0.04

0.05

0.03

20

0.29

0.24

0.17

0.05

0.05

0.06

0.05

0.05

0.07

0.06

0.05

0.03

 

MAXIMUM DIFFERENCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

1.53

0.47

0.67

0.43

0.30

0.34

0.32

0.16

0.12

0.20

0.20

0.46

10

1.79

0.52

0.53

0.25

0.45

0.39

0.36

0.57

0.31

0.25

0.47

0.12

20

1.89

1.27

0.76

0.27

0.25

0.30

0.28

0.28

0.45

0.29

0.22

0.19

 

MINIMUM DIFFERENCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

-0.40

-0.37

-0.42

-0.31

-0.17

-0.27

-0.22

-0.13

-0.18

-0.11

-0.32

-0.17

10

-0.39

-0.94

-0.24

-0.20

-0.29

-0.22

-0.17

-0.15

-0.07

-0.12

-0.20

-0.09

20

-1.32

-1.21

-1.46

-0.13

-0.27

-0.24

-0.11

-0.09

-0.13

-0.12

-0.36

-0.19

* To convert to °F, multiply by 1.80.

 

TABLE 2.3.2-7: DIFFERENCE IN TEMPERATURE (C)* AT MODEL SEGMENT CONTAINING LSC INTAKE BY DEPTH AND MONTH, WITH AND WITHOUT LSC

Monthly averages developed from 10 years' model output.

MEAN

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.06

0.05

0.04

0.03

0.01

0.00

0.00

-0.01

0.00

0.03

0.03

0.03

10

0.07

0.02

0.04

0.03

0.01

0.03

0.03

0.04

0.03

0.03

0.03

0.03

20

0.05

0.03

0.03

0.02

0.01

0.02

0.04

0.06

0.08

0.06

0.04

0.03

30

0.03

0.00

0.01

0.02

0.00

0.01

0.02

0.03

0.05

0.05

0.03

0.02

40

0.02

-0.01

0.00

0.01

0.00

0.01

0.02

0.02

0.03

0.03

0.03

0.01

50

0.01

0.01

-0.02

0.01

0.00

0.01

0.01

0.02

0.02

0.02

0.02

0.01

60

0.00

0.00

-0.03

0.00

0.00

0.01

0.01

0.01

0.02

0.01

0.02

0.01

65

0.00

-0.01

-0.01

0.00

0.00

0.01

0.01

0.01

0.01

0.01

0.01

0.01

70

0.00

-0.01

0.01

0.00

0.00

0.01

0.01

0.01

0.01

0.01

0.01

0.01

 

STANDARD DEVIATION

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.25

0.12

0.13

0.05

0.06

0.07

0.05

0.03

0.03

0.04

0.04

0.04

10

0.22

0.15

0.10

0.05

0.07

0.08

0.06

0.06

0.05

0.03

0.04

0.03

20

0.31

0.25

0.16

0.04

0.05

0.05

0.04

0.04

0.05

0.05

0.04

0.02

30

0.29

0.30

0.27

0.03

0.02

0.03

0.02

0.03

0.03

0.05

0.05

0.02

40

0.24

0.39

0.31

0.03

0.02

0.02

0.01

0.01

0.02

0.03

0.05

0.02

50

0.12

0.25

0.32

0.04

0.02

0.02

0.01

0.01

0.01

0.02

0.04

0.02

60

0.11

0.18

0.28

0.04

0.01

0.01

0.01

0.01

0.01

0.01

0.03

0.02

65

0.03

0.09

0.18

0.04

0.01

0.01

0.00

0.00

0.00

0.00

0.01

0.02

70

0.03

0.05

0.09

0.04

0.01

0.01

0.00

0.00

0.00

0.00

0.01

0.01

 

MAXIMUM DIFFERENCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

1.84

0.64

0.54

0.34

0.37

0.26

0.30

0.12

0.18

0.29

0.16

0.43

10

1.40

0.61

0.51

0.27

0.39

0.35

0.30

0.46

0.27

0.17

0.13

0.17

20

2.15

0.85

0.68

0.18

0.30

0.28

0.23

0.22

0.28

0.28

0.21

0.15

30

2.28

1.18

1.32

0.14

0.12

0.27

0.13

0.14

0.22

0.30

0.28

0.14

40

1.97

1.94

1.52

0.16

0.09

0.11

0.07

0.08

0.14

0.16

0.36

0.12

50

1.17

1.41

1.48

0.19

0.08

0.16

0.05

0.05

0.09

0.14

0.22

0.11

60

0.30

1.59

1.29

0.14

0.08

0.10

0.03

0.06

0.05

0.05

0.19

0.08

65

0.13

0.26

0.89

0.14

0.07

0.09

0.02

0.03

0.04

0.03

0.06

0.07

70

0.13

0.15

0.23

0.17

0.06

0.07

0.02

0.01

0.02

0.02

0.03

0.07

 

MINIMUM DIFFERENCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

-0.36

-0.32

-0.53

-0.32

-0.19

-0.29

-0.22

-0.13

-0.11

-0.08

-0.20

-0.15

10

-0.28

-1.02

-0.28

-0.09

-0.26

-0.25

-0.11

-0.18

-0.06

-0.07

-0.13

-0.05

20

-1.52

-1.63

-1.04

-0.20

-0.16

-0.17

-0.10

-0.04

-0.03

-0.03

-0.08

-0.04

30

-1.35

-1.53

-1.45

-0.07

-0.09

-0.14

-0.05

-0.02

-0.12

-0.13

-0.28

-0.04

40

-1.94

-1.51

-1.46

-0.20

-0.08

-0.05

-0.03

-0.01

-0.04

-0.05

-0.11

-0.05

50

-0.82

-1.21

-1.84

-0.29

-0.10

-0.06

-0.01

0.00

-0.02

-0.03

-0.17

-0.07

60

-1.47

-1.27

-1.86

-0.26

-0.12

-0.06

0.00

0.00

0.00

-0.01

-0.07

-0.04

65

-0.17

-0.94

-1.79

-0.35

-0.07

-0.04

0.00

0.00

0.00

0.00

-0.03

-0.04

70

-0.18

-0.21

-1.10

-0.21

-0.03

-0.02

0.00

0.00

0.00

0.00

-0.03

-0.04

* To convert to ° F, multiply by 1.80.

 

TABLE 2.3.2-8: DIFFERENCE IN TEMPERATURE (C)* AT AN UPLAKE SEGMENT BY DEPTH AND MONTH, WITH AND WITHOUT LSC

Monthly averages developed from 10 years' model output.

MEAN

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.07

0.03

0.03

0.03

0.01

0.01

0.00

-0.01

0.00

0.02

0.03

0.03

10

0.07

0.01

0.03

0.02

0.01

0.03

0.03

0.03

0.03

0.03

0.03

0.02

20

0.05

0.01

0.03

0.03

0.01

0.02

0.04

0.06

0.08

0.06

0.04

0.02

30

0.03

0.01

0.02

0.02

0.01

0.02

0.02

0.04

0.05

0.05

0.04

0.02

40

0.02

0.01

0.00

0.02

0.00

0.01

0.02

0.02

0.03

0.03

0.03

0.02

50

0.01

0.01

-0.02

0.01

0.00

0.01

0.01

0.01

0.02

0.02

0.02

0.02

60

0.00

0.01

-0.01

0.01

0.00

0.01

0.01

0.01

0.01

0.01

0.01

0.01

65

0.00

0.01

0.01

0.01

0.00

0.00

0.00

0.00

0.01

0.01

0.01

0.01

70

0.00

0.00

0.02

0.01

0.00

0.00

0.00

0.00

0.00

0.00

0.01

0.01

 

STANDARD DEVIATION

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

0.29

0.14

0.12

0.05

0.06

0.07

0.05

0.03

0.03

0.03

0.03

0.03

10

0.23

0.15

0.09

0.04

0.06

0.07

0.06

0.05

0.04

0.03

0.03

0.02

20

0.21

0.20

0.14

0.03

0.04

0.04

0.03

0.04

0.05

0.05

0.04

0.02

30

0.17

0.17

0.18

0.03

0.03

0.03

0.02

0.02

0.03

0.04

0.04

0.02

40

0.13

0.21

0.21

0.04

0.02

0.02

0.01

0.01

0.02

0.03

0.04

0.01

50

0.10

0.17

0.19

0.05

0.01

0.01

0.01

0.01

0.01

0.01

0.03

0.02

60

0.07

0.16

0.14

0.05

0.01

0.01

0.01

0.01

0.01

0.01

0.02

0.01

65

0.06

0.11

0.10

0.04

0.01

0.01

0.00

0.00

0.01

0.01

0.01

0.02

70

0.05

0.08

0.08

0.04

0.01

0.01

0.00

0.00

0.00

0.00

0.01

0.01

 

MAXIMUM DIFFERENCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

1.85

0.63

0.56

0.35

0.32

0.30

0.33

0.10

0.23

0.15

0.17

0.15

10

1.68

0.74

0.37

0.21

0.37

0.37

0.30

0.32

0.24

0.18

0.18

0.14

20

1.43

0.88

0.46

0.21

0.21

0.23

0.23

0.22

0.31

0.34

0.19

0.08

30

1.14

0.80

0.77

0.20

0.13

0.16

0.08

0.14

0.17

0.20

0.23

0.08

40

1.00

0.95

1.19

0.20

0.09

0.12

0.07

0.07

0.12

0.13

0.13

0.09

50

0.57

1.04

0.85

0.21

0.07

0.09

0.06

0.05

0.07

0.07

0.12

0.08

60

0.31

1.43

0.46

0.23

0.05

0.09

0.04

0.04

0.04

0.04

0.06

0.05

65

0.31

1.14

0.47

0.23

0.06

0.06

0.03

0.03

0.03

0.03

0.05

0.10

70

0.28

0.81

0.37

0.20

0.06

0.05

0.02

0.02

0.03

0.02

0.04

0.06

 

MINIMUM DIFFERENCE

METERS

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1

-0.57

-0.45

-0.45

-0.22

-0.23

-0.19

-0.18

-0.15

-0.07

-0.13

-0.09

-0.11

10

-0.52

-1.00

-0.24

-0.16

-0.19

-0.34

-0.19

-0.07

-0.08

-0.12

-0.09

-0.10

20

-0.70

-1.16

-0.84

-0.08

-0.20

-0.09

-0.05

-0.06

-0.04

-0.05

-0.08

-0.07

30

-0.69

-0.69

-0.70

-0.19

-0.12

-0.05

-0.07

-0.03

-0.06

-0.19

-0.04

-0.03

40

-0.68

-0.91

-0.69

-0.16

-0.08

-0.05

-0.05

-0.02

-0.02

-0.06

-0.18

-0.04

50

-0.59

-0.78

-0.84

-0.22

-0.05

-0.03

-0.02

0.00

-0.01

-0.03

-0.09

-0.03

60

-0.44

-0.46

-1.18

-0.24

-0.07

-0.04

-0.01

0.00

0.00

-0.02

-0.03

-0.04

65

-0.30

-0.28

-0.54

-0.26

-0.08

-0.03

-0.01

-0.01

-0.01

-0.01

-0.03

-0.04

70

-0.25

-0.23

-0.32

-0.31

-0.05

-0.03

-0.01

-0.01

0.00

-0.01

-0.04

-0.04

* To convert to ° F, multiply by 1.80.

 

TABLE 2.3.2-9: VALUES ENTERED IN MULTIPORT DIFFUSER MODELING CORMIX2 WITH MAXIMUM DESIGN FLOWS

Diffuser length (m): 22.5 Port alignment: Perpendicular to pipe
Pipe length (without diffuser) (m): 150 Ports/riser: 1
Number ports: 30 Port angle above horizontal (°): 20
Contraction ratio: 1 Darcy-Weisbach f: 0.02
Port diameter (m): 0.15 Wind speed (m/s): 2
Port height above lake bottom (m): 0.3 Ambient water velocity (m/s): 0.02 north
Pipeline alignment: Perpendicular to shore    
MONTH

WINTER

APRIL

MAY

JUNE

JULY

AUGUST

SEPT

OCT

NOV

Ambient temperature (°C)

4

5.5

10.8 (top)
9.2 (bottom)

16.6 (top)
13.5 (bottom)

22.0 (top)
19.9 (bottom)

24.7 (top)
23.5 (bottom)

18.6

14.3

7.2

Return flow temperature (°C)

8.9

10.6

10.6

13.3

13.3

13.3

13.3

10.6

10.6

Excess temperature (°C)

4.9

5.1

0.6

-1.8

-7.7

-10.8

-5.3

-3.7

3.4

Heat loss coefficient (W/m2,°C)

0

14

16

18

21

23

20

18

15

Ambient depth (m)

3.3

3.9

3.9

3.9

3.9

3.9

3.9

3.9

3.6

Discharge velocity (m/s)

1.2

3.8

3.8

3.8

3.8

3.8

3.8

3.8

3.8

Discharge flow (gpm)

10,300

32,000

32,000

32,000

32,000

32,000

32,000

32,000

32,000

Discharge flow (m3/s)

0.65

2.0

2.0

2.0

2.0

2.0

2.0

2.0

2.0

m - meters
m/s - meters per second
W/m2 - watts per square meter
gpm - gallons per minute
m3/s - cubic meters per second

 

TABLE 2.3.2-10: CORMIX2 OUTPUT FINAL DESIGN CASE WITH MAXIMUM DESIGN FLOWS

All Values Approximations

MONTH

WINTER

APRIL

MAY

JUNE

JULY

AUGUST

SEPT

OCT

NOV

Discharge velocity (m/s)

1.2

3.8

3.8

3.8

3.8

3.8

3.8

3.8

3.8

Distance* at which average plume temperature is within 2.0°C of ambient (m)

1.13

1.13

**

**

1.3

3.0

1.13

0.22

0.22

Distance at which average plume temperature is within 0.5°C of ambient (m)

16.2

20.0

0.2

1.0

90

280

26.3

6.3

5.6

Distance at which plume reaches surface (m)

11.3

11.3

11.3

11.3

11.3

11.3

11.3

11.3

11.3

Average plume delta T at point of contact with surface (°C)

+0.51

+0.53

+0.06

-0.19

-0.81

-1.13

-0.56

-0.39

+0.37

Distance at which plume reaches bank (m)

550

1450

1450

1540

500

450

600

1200

1500

Plume delta temperature at bank (at plume boundary) (°C)

+.01

+.04

+.005

-.01

-.10

-.16

-.06

-.03

+.03

Average horizontal velocity (m/s) (in first 11.25 m)

0.15

0.42

0.42

0.42

0.42

0.42

0.42

0.42

0.43

* Distance is measured directly downstream from diffuser.
*
* Initial plume temperature is less than 2°C from ambient.
m/s - meters per second
m - meters

 

TABLE 2.3.2-11: PLUME TEMPERATURE, RESULTS OF ANALYSIS OF SENSITIVITY TO AMBIENT CURRENT VELOCITY

All Values Approximations

TIME PERIOD
EXCESS TEMPERATURE IN DISCHARGE

APPROXIMATE DISTANCE AT WHICH AVERAGE PLUME TEMPERATURES IS WITHIN 0.5°C OF AMBIENT (METERS)

(°C)

(°F)

2.0 CM/S

0.5 CM/S

10 CM/S

Winter

+4.9

+8.8

16.2

29

4

April

+5.1

+9.2

20

25

8.6

May

+0.6

+1.1

0.2

0.2

0.4

June

-1.8

-3.2

1.0

1.1

0.65

July

-7.7

-13.9

90

90

82

August

-10.8

-19.4

280

500

244

September

-5.3

-9.5

26.3

31

9.3

October

-3.7

-6.7

6.3

6.8

4.0

November

+3.4

+6.1

5.6

6.3

3.4

cm/s - centimeters per second

 

TABLE 2.3.2-12: LSC MONTHLY HEAT REJECTION RATE, CONTRIBUTION TO MONTHLY HEAT STORAGE, AND COMPARISON TO MONTHLY HEAT STORAGE

All Values Per Unit Surface Area

MONTH

LSC (MW)

LSC (W/M2)

LSC (J/M2)

MINIMUM HEAT STORAGE (J/M2)

PERCENTAGE (%)

January

11.2

0.070

1.87E+05

5.82E+08

0.032

February

10.3

0.064

1.55E+05

4.74E+08

0.033

March

10.8

0.068

1.82E+05

4.16E+08

0.044

April

18.0

0.112

2.91E+05

5.28E+08

0.055

May

24.6

0.154

4.11E+05

9.48E+08

0.043

June

68.6

0.429

1.11E+06

1.37E+09

0.081

July

69.5

0.434

1.16E+06

1.68E+09

0.069

August

69.5

0.434

1.16E+06

1.81E+09

0.064

September

69.5

0.434

1.13E+06

1.85E+09

0.061

October

26.6

0.166

4.45E+05

1.64E+09

0.027

November

17.9

0.112

2.90E+05

1.31E+09

0.022

December

11.5

0.072

1.93E+05

8.82E+08

0.022

MW - megawatts
J/M2 - joules per square meter
W/M2 - watts per square meter

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