Elements and Performance Criteria
- Analysewater movement
- Apply principles of water levels
- Evaluate the effect of non-tidal influences on tidal water levels in hydrographic survey
- Evaluate the impact of sources of water level variations occurring in inland waters
- Use water level measurement methods
- Configure electronic water level gauges for logging data, data communication, data download and for network operation with appropriate quality control measures
- Compute tidally based reference levels on the basis of tide time series
- Determine vertical reference levels in rivers and lakes according to workplace procedures
- Determine uncertainty in water levels to uncertainties in measurement, duration and distance from the electronic water level gauge according to workplace procedures
- Analyse water level data
- Use tidal information and vessel parameters to reduce soundings to a specified datum
- Configure and calibrate Global Navigation Satellite System (GNSS) to reduce soundings to a specified survey datum
- Calculate current measurement using appropriate techniques and methods for acquiring and displaying current data