17.2125

47.4170

3

30

3

20.70

296.5

697.6

18.2

69.9

10.9

0.17

0 (−2.07)

17.3114

47.4242

6.6

575

6

20.85

296.7

697.6

4.38

27.9

67.3

0.47

28.8

17.2769

47.5227

4.5

153

3

21.30

297.1

697.6

3.75

21.0

74.8

0.48

8.27

17.3470

47.4844

5.2

510

3

21.33

297.1

697.6

21.2

78.4

0.24

0.19

0 (−55.6)

São Marcos River & tributaries (1/3) Mar 21 to 25, 2011 survey N₂aec bubble-emission median (n = 18)

2.43 (2.43)

17.0269

47.1462

2

480

2

20.28

292.6

702.1

17.8

68.5

13.6

0.10

0 (−49.6)

17.0382

47.1791

1

190

3

19.13

293.2

702.1

15.8

81.6

1.86

0.14

33.9

17.0626

47.1902

3.9

260

3

20.42

292.7

702.1

6.79

51.4

41.6

0.27

65.2

17.1000

47.2492

4.6

130

3

19.23

292.6

702.1

6.77

46.7

46.4

0.18

27.7

16.9646

47.1546

2.6

70

3

20.75

292.3

702.1

19.4

76.0

4.44

0.11

0 (−4.13)

17.1461

47.3026

3

10

3

21.03

292.2

700.6

19.9

78.4

1.60

0.10

0 (−0.55)

17.2068

47.3618

4.3

10

3

21.15

292.5

700.6

20.4

79.5

na

0.07

0 (−0.65)

17.2106

47.3623

5

45

3

21.15

292.6

700.6

20.5

79.2

0.04

0.12

0 (−3.27)

17.2428

47.3960

1.8

80

3

21.00

292.8

700.6

20.8

78.6

2.22

0.10

0 (−7.43)

17.3128

47.4241

2.5

1000

2

21.87

292.1

701.3

2.82

9.66

80.3

7.25

0 (−33.5)

17.3486

47.4869

4.8

180

3

21.30

292.3

701.3

16.6

59.6

23.2

0.51

0 (−19.1)

São Marcos River & tributaries (2/3) June 13 to 17, 2011 survey N₂aec bubble-emission median (n = 11)

0 (−3.27)

17.0258

47.1488

1.8

35

2

23.07

295.5

696.8

17.1

76.1

6.56

0.23

2.15

17.0620

47.1895

1.9

30

3

22.90

296.7

696.8

3.61

23.8

71.5

1.12

2.48

17.0357

47.1798

2

...

3

22.82

295.9

696.8

3.65

39.8

56.1

0.46

...

17.1000

47.2492

4.1

10

3

22.75

297.5

696.8

5.53

50.3

43.8

0.31

2.60

17.1188

47.2798

2

20

3

24.42

296.0

696.8

19.5

80.2

0.05

0.30

0 (−0.30)

17.1482

47.3272

2.3

240

3

24.48

296.5

696.8

19.2

80.5

0.04

0.25

0 (−0.26)

17.2224

47.3629

3.2

60

2

27.35

297.4

698.3

4.52

27.5

66.3

1.62

6.14

17.2449

47.4044

1.2

30

3

18.83

296.3

698.3

14.9

64.1

20.8

0.26

0.54

17.3071

47.4276

2

200

3

22.98

297.1

698.3

18.1

81.1

0.55

0.24

9.73

São Marcos River & tributaries (3/3) Sept 26 to 30, 2011 survey N₂aec bubble-emission median (n = 8)

2.32 (2.32)

São Marcos River and tributaries N₂aec bubble-emission median (n = 37)

(first quartile; third quartile)

0.54 (0; 9.73)

0.54 (−4.66; 9.73)