SAVANNAH RIVER AT RISK RESEARCH PROJECT

US D-96 Isokinetic Water Quality Sampler

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After much deliberation, reconnaissance, and preliminary testing, the research division deployed the last of ten YSI sondes (multi-parameter water quality monitoring systems) within the Middle Savannah watershed in the third week of January 2006. The study span starts above Steven’s Creek Dam in Columbia County, GA to Clyo, GA. Each sonde is collecting seven different water quality parameters at fifteen minute intervals for two years, that’s 280 data points per hour or 2,452,800 data points over the entire two year study period. In addition to continuous monitoring with sondes, we will be analyzing water chemistry, biota (primarily phytoplankton and macroinvertebrates), weather, and flow data.

Our research approach is to follow a parcel of water as it travels from the first through the last of the monitoring stations. This is known as a Lagrangian approach and will allow the research team to elucidate relationships between chemical, physical, and biological elements of the river and its watershed. Interplay of these elements is crucial to understanding the current health of the river and its capacity to handle future stresses that will be required of it. Although rigorous, this approach will result in a high quality data set that will be used to make informed decisions about future local and regional issues regarding the precious commodity that flows between Georgia and South Carolina.

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