Maps

Nitrate

Jan Feb Mar Apr May Jun
Nitrate 1980-1 Nitrate 1980-2 Nitrate 1980-3 Nitrate 1980-4 Nitrate 1980-5 Nitrate 1980-6
 
July Aug Sep Oct Nov Dec
Nitrate 1980-7 Nitrate 1980-8 Nitrate 1980-9 Nitrate 1980-10 Nitrate 1980-11 Nitrate 1980-12

Phosphate

Jan Feb Mar Apr May Jun
Phosphate 1980-1 Phosphate 1980-2 Phosphate 1980-3 Phosphate 1980-4 Phosphate 1980-5 Phosphate 1980-6
 
July Aug Sep Oct Nov Dec
Phosphate 1980-7 Phosphate 1980-8 Phosphate 1980-9 Phosphate 1980-10 Phosphate 1980-11 Phosphate 1980-12

Silicate

Jan Feb Mar Apr May Jun
Silicate 1980-1 Silicate 1980-2 Silicate 1980-3 Silicate 1980-4 Silicate 1980-5 Silicate 1980-6
 
July Aug Sep Oct Nov Dec
Silicate 1980-7 Silicate 1980-8 Silicate 1980-9 Silicate 1980-10 Silicate 1980-11 Silicate 1980-12

DIC

Jan Feb Mar Apr May Jun
DIC 1980-1 DIC 1980-2 DIC 1980-3 DIC 1980-4 DIC 1980-5 DIC 1980-6
 
July Aug Sep Oct Nov Dec
DIC 1980-7 DIC 1980-8 DIC 1980-9 DIC 1980-10 DIC 1980-11 DIC 1980-12