180
N. M. SHAH:
O2 - Saturation 1%1
20
40
60
80
100
120
O+-~~~L-L-~~~~~~~~~
5
E
£10
0..
o
15
20
Fig. 5. Vertical distribution of oxygen saturation in the Laccadive Sea off Cochin
(for symbols see Fig. 3)
Ul
i: .,.
E N
'" ,
0: E
'"
-0 E
'0
IN
Vi E
, ?
0
Vi '" E
r:;
z E
'~ 0:
a ,
z '"
5.
-N
z 0 ,
, b,E
0' " E
z <1
a.. E
, 9
0
a.. '"
5.
200
150
100
50
0
500
LOO
300
200
100
0
~ll
~ ~
20
10
0
?=-,
~a
'9~7
o
•
0
Igsa
o
APR MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. JAN. FEB. MAR. APR .
1968 -
- 1968 1969 -
- 1969
Fig. 6. Seasonal distribution of phosphate, nitrite, nitrate, silicate and total pigments in the upper
16 m of the water column