2 – Water – where, when, how much? 25 number of flow events to 4.2 events for the period 2000–2011. Observed flow events in the Neales River, for 2000–09, were significantly higher than for modelled flows during the pre- 2000 period (Fig. 2.8b see also Costelloe et al. 2005), emphasising the necessity for multi- Fig. 2.6. The spectacular Coongie Lakes, an internationally important wetland, are supplied by the North-west Branch of Cooper Creek and support high biodiversity, particularly during dry periods when fish and waterbirds congregate (photo, R. T. Kingsford). 0 50 000 100 000 150 000 200 000 250 000 300 000 350 000 Fig. 2.7. The interannual variability of Cooper Creek is illustrated using daily flow data from Cullyamurra gauging station, near Innamincka (South Australian Department for Environment, Water and Natural Resources, Fig. 2.1), 2009–13. Note the small volume of the 2009, 2013 and 2014 floods compared to the period 2010 to 2012. Flow (ML/day)