Maps

Nitrate

Jan Feb Mar Apr May Jun
Nutrient 1973-1 Nitrate 1973-2 Nitrate 1973-3 Nitrate 1973-4 Nitrate 1973-5 Nitrate 1973-6
 
July Aug Sep Oct Nov Dec
Nitrate 1973-7 Nitrate 1973-8 Nitrate 1973-9 Nitrate 1973-10 Nitrate 1973-11 Nitrate 1973-12

Phosphate

Jan Feb Mar Apr May Jun
Phosphate 1973-1 Phosphate 1973-2 Phosphate 1973-3 Phosphate 1973-4 Phosphate 1973-5 Phosphate 1973-6
 
July Aug Sep Oct Nov Dec
Phosphate 1973-7 Phosphate 1973-8 Phosphate 1973-9 Phosphate 1973-10 Phosphate 1973-11 Phosphate 1973-12

Silicate

Jan Feb Mar Apr May Jun
Silicate 1973-1 Silicate 1973-2 Silicate 1973-3 Silicate 1973-4 Silicate 1973-5 Silicate 1973-6
 
July Aug Sep Oct Nov Dec
Silicate 1973-7 Silicate 1973-8 Silicate 1973-9 Silicate 1973-10 Silicate 1973-11 Silicate 1973-12