Maps

Nitrate

Jan Feb Mar Apr May Jun
Nitrate 1998-1 Nitrate 1998-2 Nitrate 1998-3 Nitrate 1998-4 Nitrate 1998-5 Nitrate 1998-6
 
July Aug Sep Oct Nov Dec
Nitrate 1998-7 Nitrate 1998-8 Nitrate 1998-9 Nitrate 1998-10 Nitrate 1998-11 Nitrate 1998-12

Phosphate

Jan Feb Mar Apr May Jun
Phosphate 1998-1 Phosphate 1998-2 Phosphate 1998-3 Phosphate 1998-4 Phosphate 1998-5 Phosphate 1998-6
 
July Aug Sep Oct Nov Dec
Phosphate 1998-7 Phosphate 1998-8 Phosphate 1998-9 Phosphate 1998-10 Phosphate 1998-11 Phosphate 1998-12

Silicate

Jan Feb Mar Apr May Jun
Silicate 1998-1 Silicate 1998-2 Silicate 1998-3 Silicate 1998-4 Silicate 1998-5 Silicate 1998-6
 
July Aug Sep Oct Nov Dec
Silicate 1998-7 Silicate 1998-8 Silicate 1998-9 Silicate 1998-10 Silicate 1998-11 Silicate 1998-12

DIC

Jan Feb Mar Apr May Jun
DIC 1998-1 DIC 1998-2 DIC 1998-3 DIC 1998-4 DIC 1998-5 DIC 1998-6
 
July Aug Sep Oct Nov Dec
DIC 1998-7 DIC 1998-8 DIC 1998-9 DIC 1998-10 DIC 1998-11 DIC 1998-12