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Developing a rapid, cost effective
method of assessing algal biomass in the riverine environment
Research Supervisor: Research Staff: Funding: Duration:
monitoring basis. This project will involve the calibration of a low-cost, portable and robust ground-radiometer as a means of remotely measuring algal biomass and turbidity from a helicopter. A ground radiometer is a portable device for recording the colour and intensity of light scattered from plants in the field (ie. it records a reflectance spectrum) to ascertain plant health and vigour. The project will involve calibrating this device to determine algal biomass from the reflection spectra of a turbid water body. An outdoors tank-calibration procedure will involve preparing a number of "standard samples" containing varying concentrations of algae and suspended sediment in river water, and recording the reflectance spectra of each. The effects on the measured spectra of algal biomass and turbidity will be determined. |
