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Author Topic: Rising river alert Snowy River below Jindabyne Dam  (Read 1516 times)

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Rising river alert Snowy River below Jindabyne Dam
« on: October 12, 2014, 04:29:00 PM »
10 October 2014 - NSW Office of Water
Rising river alert Snowy River below Jindabyne Dam
‘Wai–Garl’ - River Black Fish

The NSW Office of Water today issued a ‘rising river alert’ for the Snowy River between Jindabyne Dam and Dalgety in southern NSW for Tuesday 14 October 2014.
The river will rise due to the fourth and largest high-flow event in a series of five planned environmental releases from Jindabyne Dam to the Snowy River.
All five high-flow events in the Snowy River during spring 2014 have been named by the five regional aboriginal communities - Bidwell-Maap, Wongalu, Southern Monero-Yuin-Bolga, Maneroo-Ngarigo and Wiradjuri - who recognise the link between these high flows and the health of the Snowy River.
This high-flow event has been officially named ‘Wai–Garl’, which means River Black Fish, in recognition of the Maneroo-Ngarigo traditional people who have an enduring and strong connection to the Snowy River.
The ‘Wai-Garl’ was once an abundant fish in the Snowy River, and previously formed a food staple.
Not only is the ‘Wai-Garl’ an important feature of the Snowy River for the Maneroo-Ngarigo traditional people, the River Black Fish is also an ecological end-point identified by scientists as part of the river recovery process.
It is anticipated that if the habitat of the river is improved with subsequent high flow events, the Snowy River could support the Wai-Garl at some future date.
The highest flow rate will occur at Jindabyne Dam from 8am to 4pm on Tuesday 14 October 2014 and will be equivalent to 10,294 megalitres per day for the eight hour period.
For the remainder of Tuesday 14 October 2014, the flow rate will be equivalent to 5,012 megalitres per day. The flow rate will drop back to 1,988 megalitres per day on Wednesday 15 October 2014.
The environmental changes from this release are expected to be greatest between the dam wall to the junction with the Delegate River. However, the pulse will be noticeable down to the estuary in Victoria.
It is expected to see the river water level at Dalgety rise to 1.87 m. This is the largest of the spring releases, with water released from both the cone valves and the spillway.
It is important to note that water released at Jindabyne will take less than six hours to reach Dalgety Weir at this flow rate. Landholders downstream of the Jindabyne Dam are advised to take all necessary precautions with stock, fencing and property.
The NSW Office of Water will work with the NSW State Emergency Service and Bureau of Meteorology to provide information to the community regarding the management of this release should weather conditions warrant.
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