Supplementary data

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Nitrogen

Total Nitrogen

All units are in g/m3

Ammoniacal Nitrogen

All units are in g/m3

Total Kjeldahl Nitrogen

All units are in g/m3

Nitrite-Nitrate Nitrogen

All units are in g/m3

Phosphorus

Total Phosphorus

All units are in g/m3

Dissolved Reactive Phosphorus

All units are in g/m3

Phytoplankton

Chlorophyll a

All units are in

Phaeophytin a

All units are in g/m3

Water clarity

Secchi depth

All units are in m

Absorbance at 340 nm

All units are in Au/cm

Absorbance at 440 nm

All units are in Au/cm

Absorbance at 780 nm

All units are in Au/cm

Sediment

Turbidity

All units are in NTU

Total Suspended Solids

All units are in g/m3

Volatile Suspended Solids

All units are in g/m3

Other

Water Temperature

All units are in °C

pH

Dissolved Oxygen mg/L

All units are in mg/L

Dissolved Oxygen % Saturation

All units are in % saturation

Conductivity

All units are in μS/cm