The information system of the Alpine Lakes Observatory (SI-OLA) provides a large amount of raw data on Lake Geneva, from the INRA CARRTEL laboratory in Thonon-les-Bains in collaboration with the CIPEL.
Requests to obtain this data (free of charge) are made by registering on the SI-OLA website.
List of data available on the SI-OLA
Multiparameter probe
- Temperature corrected pH
- Oxygen level at saturation corrected by winkler
- Turbidity
- Polycyclic Aromatic Hydrocarbon
- Brightness in the water
- Phycocyanine
- Percentage of oxygen at saturation
- Raw pH
- Light transmission
- Conductivity at 25 °C
- Brightness in the air
- Chlorophyll a
- Oxygen in mg
- Temperature
- Oxygen in mg corrected by winkler
Primary production
- Primary production per hour
- Primary production by actual incubation time
- Primary production by median third
Phytoplankton
- Number of cells per ml
- Number of fields counted
- Biovolume of the species in the sample
- Number of objects counted
- Number of objects per ml
Zooplankton
- Number of individuals
Chlorophyll
- Chlorophyll c
- Carotenoid
- Chlorophyll a scor-unesco
- Pheopigments
- Chlorophyll a strickland-parsons
Physical chemistry
- Gross conductivity
- Chlorides
- Temperature
- Dissolved oxygen
- Sodium
- Suspended matter
- Complete alkalinity
- Nitric nitrogen
- Nitrous nitrogen
- Particulate organic carbon
- Calcium
- pH
- Ammoniacal nitrogen
- Total organic carbon
- Dissolved organic carbon
- Particulate organic nitrogen
- Total Phosphorus
- Ortho Phosphorus
- Total nitrogen
- Total Filtered Phosphorus
- Particulate phosphorus
- Potassium
- Sulphates
- Reactive silica
- Magnesium
Sampling conditions
- Appearance of the water
- Wind speed
- Appreciation of time
- Air temperature
- Transparency with INRA disc
- Color of the water
- Wind direction
- Sunshine
- Atmospheric pressure on ship
- Cloudiness
- State of the water surface
- Transparency with Secchi disk
