The Alpine Lakes Observatory Information System (SI-OLA) makes available a large amount of raw data on Lake Geneva, produced by the INRA CARRTEL laboratory in Thonon-les-Bains in collaboration with CIPEL.
Requests for this data (free of charge) can be made by registering on the SI-OLA website.
List of data available on SI-OLA
Multiparameter probe
- Temperature-corrected pH
- Oxygen saturation corrected by winkler
- Turbidity
- Polycyclic Aromatic Hydrocarbon
- Brightness in the water
- Phycocyanin
- 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 middle third
Phytoplankton
- Number of cells per ml
- Number of fields counted
- Biovolume of species in sample
- Number of objects counted
- Number of objects per ml
Zooplankton
- Number of individuals
Chlorophyll
- Chlorophyll c
- Carotenoid
- Chlorophylle a scor-unesco
- Pheopigments
- Chlorophylle a strickland-parsons
Physical chemistry
- Gross conductivity
- Chlorides
- Temperature
- Dissolved oxygen
- Sodium
- Suspended matter
- Full alkalinity
- Nitric nitrogen
- Nitrous nitrogen
- Particulate organic carbon
- Calcium
- pH
- Ammoniacal nitrogen
- Total organic carbon
- Dissolved organic carbon
- Particulate organic nitrogen
- Total phosphorus
- Phosphorus ortho
- Total nitrogen
- Total filtered phosphorus
- Particulate phosphorus
- Potassium
- Sulfates
- Reactive silica
- Magnesium
Sampling conditions
- Water appearance
- Wind speed
- Appreciation of time
- Air temperature
- Transparency with INRA disc
- Water color
- Wind direction
- Sunshine
- Atmospheric pressure on boat
- Cloud cover
- Water surface condition
- Transparency with Secchi disk
