Table 3

Results of the rainfall inputs for Na, Ca ,Mg and Sr on the Oubangui river samples (in %).

Sample

Na

Ca

Mg

Sr

Oubangui

 

 

 

 

06/89

24

11

14

4.7

07/89

22

15

24

5.9

08/89

38

15

22

6.7

09/89

27

12

22

5.1

10/89

28

11

21

5.0

11/89

39

21

43

9.0

12/89

34

21

34

8.8

01/90

29

18

26

8.4

02/90

23

15

17

7.5

Tributaries

 

 

 

 

Mpoko 11/89

23

10

18

8.2

Mpoko 02/90

20

7

7

6.5

 

 

 

 

 

Mbali 11/89

46

12

27

8.2

Mbali 02/89

56

5

9

6.8

 

 

 

 

 

Bili 11/89

28

31

35

11

Tomi 11/89

6

3

5

2.9

Uele 11/89

17

27

32

10

Kotto 11/89

18

9

12

4.7

Bamba 11/89

14

10

11

7.2

Oumba 11/89

12

2

3

3.4

Ombella 11/89

10

1

3

2.1

Mbomou 11/89

23

12

12

6.9

Ouaka 11/89

12

14

12

4.5