2009
DOI: 10.1002/rra.1262
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Hydraulic assessment of environmental flow regimes to facilitate fish passage through natural riffles: Shoalhaven river below Tallowa Dam, New South Wales, Australia

Abstract: Proposed environmental flow regime changes downstream of a major water supply dam have been assessed in terms of effects on depth, velocity and fish passage across natural, gravel-bed riffles and rapids. This study focussed on passage requirements for Australian bass, Macquaria novemaculeata (Perciformes, Percichthyidae), a catadromous fish of considerable ecological and recreational fishing importance. Some 23 major riffles and rapids occur between the dam and the tidal limit over a river length of 25 km. Rec… Show more

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Cited by 35 publications
(53 citation statements)
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“…This type of combined 1D and 2D hydraulic modelling approach where a 1D model is used to objectively develop downstream boundary conditions for input into River2D has been successfully applied in studies where 2D as opposed to 1D models are needed for depiction of complex hydraulic environments (e.g. Bartsch et al, 1996;Reinfelds et al, 2010).…”
Section: Hydraulic Modellingmentioning
confidence: 98%
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“…This type of combined 1D and 2D hydraulic modelling approach where a 1D model is used to objectively develop downstream boundary conditions for input into River2D has been successfully applied in studies where 2D as opposed to 1D models are needed for depiction of complex hydraulic environments (e.g. Bartsch et al, 1996;Reinfelds et al, 2010).…”
Section: Hydraulic Modellingmentioning
confidence: 98%
“…Tallowa Dam was completed in 1976 and has a low operational capacity relative to annual inflows (3.3% and 5.5% of mean and median annual inflows, respectively). Water extraction from Tallowa Dam to supplement the water supply of Australia's largest city, Sydney, primarily impacts on small flood events b1.1 years average recurrence interval (ARI) (90% annual exceedance probability), with peak flow rates for larger flood events being largely unaffected (Reinfelds et al, 2010).…”
Section: Regional Settingmentioning
confidence: 99%
“…Owing to its small operational capacity relative to mean and median annual inflows (3.3 and 5.5%, respectively; Reinfelds et al, 2010), Tallowa Dam frequently overtops, creating unmanaged spills of water to the river downstream. Peak flow rates for events equal to and greater than the 90% annual exceedance probability (AEP) flood (instantaneous maximum flow~10,000 ML d −1 ) are largely unaffected, but their receding hydrograph limbs are typically truncated (Reinfelds et al, 2010).…”
Section: Regional Settingmentioning
confidence: 99%
“…However, over the past decade acoustic telemetry has revealed critical aspects of the life history and movement ecology of freshwater et al (2014) species in Australia, and this information is now being broadly incorporated into water resource policy and management (e.g. Reinfelds et al 2010;. Koster and Crook (2017) summarise information from telemetry studies for four Australian freshwater species of management interest to demonstrate how results from telemetry research can be integrated as conceptual models to support the development of environmental flow rules and other conservation measures.…”
Section: Movement Ecology In a Management Contextmentioning
confidence: 99%