Maps

Nitrate

Jan Feb Mar Apr May Jun
Nitrate 1997-1 Nitrate 1997-2 Nitrate 1997-3 Nitrate 1997-4 Nitrate 1997-5 Nitrate 1997-6
 
July Aug Sep Oct Nov Dec
Nitrate 1997-7 Nitrate 1997-8 Nitrate 1997-9 Nitrate 1997-10 Nitrate 1997-11 Nitrate 1997-12

Phosphate

Jan Feb Mar Apr May Jun
Phosphate 1997-1 Phosphate 1997-2 Phosphate 1997-3 Phosphate 1997-4 Phosphate 1997-5 Phosphate 1997-6
 
July Aug Sep Oct Nov Dec
Phosphate 1997-7 Phosphate 1997-8 Phosphate 1997-9 Phosphate 1997-10 Phosphate 1997-11 Phosphate 1997-12

Silicate

Jan Feb Mar Apr May Jun
Silicate 1997-1 Silicate 1997-2 Silicate 1997-3 Silicate 1997-4 Silicate 1997-5 Silicate 1997-6
 
July Aug Sep Oct Nov Dec
Silicate 1997-7 Silicate 1997-8 Silicate 1997-9 Silicate 1997-10 Silicate 1997-11 Silicate 1997-12

DIC

Jan Feb Mar Apr May Jun
DIC 1997-1 DIC 1997-2 DIC 1997-3 DIC 1997-4 DIC 1997-5 DIC 1997-6
 
July Aug Sep Oct Nov Dec
DIC 1997-7 DIC 1997-8 DIC 1997-9 DIC 1997-10 DIC 1997-11 DIC 1997-12