Flow Thresholds Below Jindabyne
River scientists are currently undertaking studies to determine the flow thresholds for a range of riverine processes. Some preliminary flow thresholds that have been developed include:
| Discharge ML/day | River process |
|---|---|
| ~300 | Initial wetting of lower benches- old riverbed (Dalgety uplands) |
| 850 - 1,000 | Breakdown of thermal stratification (Jindabyne gorge) |
| 1,000 | Movement of fine silt from riverbed and initiating movement in unconsolidated coarse sands up to about 1.9 mm |
| 1,000 - 3,000 | Shear stress velocities across riffles are substantially greater than in pools (riffle maintenance) |
| 10,370 | Passage for Adult Australian Bass (Pinch Falls) |
| 13,350 | Passage for Juvenile Australian Bass (Pinch Falls) |
Further defining of ecological flow thresholds is currently in progress via modelling, field based studies, and flow trials. See Snowy Flow Response Monitoring and Modelling.
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Famous quotes containing the word flow:
“The current of our thoughts made as sudden bends as the river, which was continually opening new prospects to the east or south, but we are aware that rivers flow most rapidly and shallowest at these points.”
—Henry David Thoreau (1817–1862)