Table 3 Measured physical parameters, nutrients and radon in groundwater and pore water samples during pre- monsoon season at Kanyakumari Coast of southernmost India.

From: Submarine groundwater discharge and associated fluxes along the Kanyakumari coast of India using radon and nutrient mass balance approach

Sample name

pH

EC

(µS/cm)

TDS

(mg/L)

Salinity

(ppm)

DSi (µmolL− 1)

DIP

(µmol L− 1)

DIN

(µmol L− 1)

Radon (Bq/L)

HIGH TIDE

HG2

6.73

1321

659

654

32.99

0.81

3.04

54.71

HG3

6.21

480

239

235

56.00

0.42

33.17

47.30

HG4

6.91

1829

915

913

211.47

1.11

25.35

58.87

HG5

5.63

261

130

130

243.00

1.64

19.51

48.53

HG6

6.84

736

376

375

224.41

1.81

24.86

38.87

HG7

6.98

1358

679

679

214.11

1.18

4.29

52.24

HG8

6.72

1527

763

763

314.99

2.01

27.20

66.96

HP2

7.30

51,800

28,800

31,700

31.39

0.56

2.08

14.26

HP3

7.42

51,900

25,900

31,800

35.75

0.52

1.58

12.84

HP4

7.33

51,900

25,900

31,700

31.83

0.75

1.56

14.83

HP5

7.12

51,500

25,900

31,700

33.38

1.29

4.26

19.77

HP6

7.14

51,700

25,800

31,700

30.66

0.68

3.19

14.71

HP7

7.36

52,200

26,000

31,900

28.41

0.52

1.96

13.14

HP8

6.91

51,900

25,900

31,800

35.54

0.44

1.85

15.28

LOW TIDE

LG1

6.99

3770

1880

1910

209.20

5.96

4.00

41.01

LG2

6.89

1307

659

660

225.97

3.12

30.31

37.30

LG3

6.13

422

211

211

195.38

1.74

28.40

36.06

LG4

7.00

1834

916

917

205.10

1.08

28.21

37.3

LG5

5.11

256

128

127

243.56

2.13

14.33

35.84

LG7

6.53

867

433

433

185.17

0.47

27.62

32.02

LP1

7.12

52,400

26,100

32,000

32.58

0.42

1.32

18.98

LP2

7.21

51,600

25,700

31,700

32.09

0.88

3.47

13.48

LP3

7.22

51,600

25,800

31,700

33.04

0.46

1.22

11.68

LP4

7.26

52,400

26,100

32,200

28.13

0.43

1.50

13.82

LP5

7.21

51,800

25,800

31,800

31.13

0.40

1.41

13.59

LP7

7.25

51,700

26,800

31,700

35.86

0.65

1.55

13.59

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