Method | Key variable | Method | Unit |
Systematic monitoring | pH | 40,500 H+-B-Electrometric method | -- |
Electrical conductivity | 2510 B-Laboratory method | µmho∙cm−1 | |
Turbidity | 2130 B | NTU | |
Water Temperature | 2550 B-Field and laboratory method | ˚C | |
Water level | Limnimetric scale | m | |
Air temperature | -- | ˚C | |
Relative humidity | Vapor pressure-temperature relationship | % (Pa/Pa) | |
Precipitation | Volumetric | mm | |
Radiation | Net radiation | W | |
Episodic Monitoring (seasonal campaigns) | Flow rate | Bathymetry and propeller; ADCP-Doppler | m3∙s−1 |
Dissolved Oxygen (DO) | 4500 OG-Electrode with membrane | mgO2∙L−1 | |
Chemical Oxygen Demand (COD) | 5220 D-Colorimetric closed reflection method | mgO2∙L−1 | |
Biochemical Oxygen Demand (BOD) | 5210 B-BOD test 5 days | mgO2∙L−1 | |
Total Dissolved Solids (TDS) | 2540 C-Porcelain capsule | mg∙L−1 | |
Total Suspended Solids (TSS) | 2540 D-Membrane | mg∙L−1 | |
Total Nitrogen | 4500 NB-Macro Kjeldahl | mg∙L−1 | |
Nitrate (NO3) | 4500 NO3-B-Spectrophotometric method | mg∙L−1 | |
Nitrite (NO2) | 4500 NO2-B-Colorimetric method | mg∙L−1 | |
Nitrogen Ammonia (NH3) | 4500 NH3-C Titration method | mg∙L−1 | |
Total phosphorus | 4500 P-E-Ascorbic acid | mg∙L−1 | |
Escherichia coli | 9223 B-Enzyme-substrate test | CFU/100 mL−1 |