Maps

Nitrate

Jan Feb Mar Apr May Jun
Nitrate 1976-1 Nitrate 1976-2 Nitrate 1976-3 Nitrate 1976-4 Nitrate 1976-5 Nitrate 1976-6
 
July Aug Sep Oct Nov Dec
Nitrate 1976-7 Nitrate 1976-8 Nitrate 1976-9 Nitrate 1976-10 Nitrate 1976-11 Nitrate 1976-12

Phosphate

Jan Feb Mar Apr May Jun
Phosphate 1976-1 Phosphate 1976-2 Phosphate 1976-3 Phosphate 1976-4 Phosphate 1976-5 Phosphate 1976-6
 
July Aug Sep Oct Nov Dec
Phosphate 1976-7 Phosphate 1976-8 Phosphate 1976-9 Phosphate 1976-10 Phosphate 1976-11 Phosphate 1976-12

Silicate

Jan Feb Mar Apr May Jun
Silicate 1976-1 Silicate 1976-2 Silicate 1976-3 Silicate 1976-4 Silicate 1976-5 Silicate 1976-6
 
July Aug Sep Oct Nov Dec
Silicate 1976-7 Silicate 1976-8 Silicate 1976-9 Silicate 1976-10 Silicate 1976-11 Silicate 1976-12

DIC

Jan Feb Mar Apr May Jun
DIC 1976-1 DIC 1976-2 DIC 1976-3 DIC 1976-4 DIC 1976-5 DIC 1976-6
 
July Aug Sep Oct Nov Dec
DIC 1976-7 DIC 1976-8 DIC 1976-9 DIC 1976-10 DIC 1976-11 DIC 1976-12