Maps

Nitrate

Jan Feb Mar Apr May Jun
Nutrient 1977-1 Nitrate 1977-2 Nitrate 1977-3 Nitrate 1977-4 Nitrate 1977-5 Nitrate 1977-6
 
July Aug Sep Oct Nov Dec
Nitrate 1977-7 Nitrate 1977-8 Nitrate 1977-9 Nitrate 1977-10 Nitrate 1977-11 Nitrate 1977-12

Phosphate

Jan Feb Mar Apr May Jun
Phosphate 1977-1 Phosphate 1977-2 Phosphate 1977-3 Phosphate 1977-4 Phosphate 1977-5 Phosphate 1977-6
 
July Aug Sep Oct Nov Dec
Phosphate 1977-7 Phosphate 1977-8 Phosphate 1977-9 Phosphate 1977-10 Phosphate 1977-11 Phosphate 1977-12

Silicate

Jan Feb Mar Apr May Jun
Silicate 1977-1 Silicate 1977-2 Silicate 1977-3 Silicate 1977-4 Silicate 1977-5 Silicate 1977-6
 
July Aug Sep Oct Nov Dec
Silicate 1977-7 Silicate 1977-8 Silicate 1977-9 Silicate 1977-10 Silicate 1977-11 Silicate 1977-12