Articles | Volume 27, issue 3
Research article
15 Feb 2023
Research article |  | 15 Feb 2023

A hydrological framework for persistent pools along non-perennial rivers

Sarah A. Bourke, Margaret Shanafield, Paul Hedley, Sarah Chapman, and Shawan Dogramaci

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Cited articles

Alaibakhsh, M., Emelyanova, I., Barron, O., Khiadani, M., and Warren, G.: Large-scale regional delineation of riparian vegetation in the arid and semi-arid Pilbara region, WA, Hydrol. Process., 31, 4269–4281, 2017. 
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Arthington, A. H., Balcombe, S. R., Wilson, G. A., Thoms, M. C., and Marshall, J.: Spatial and temporal variation in fish-assemblage structure in isolated waterholes during the 2001 dry season of an arid-zone floodplain river, Cooper Creek, Australia, Mar. Freshwater Res., 56, 25–35,, 2005. 
Ashley, G. M., Goman, M., Hover, V. C., Owen, R. B., Renaut, R. W., and Muasya, A. M.: Artesian blister wetlands, a perennial water resource in the semi-arid rift valley of East Africa, Wetlands, 22, 686–695, 2002. 
Banks, E. W., Shanafield, M. A., Noorduijn, S., McCallum, J., Lewandowski, J., and Batelaan, O.: Active heat pulse sensing of 3-D-flow fields in streambeds, Hydrol. Earth Syst. Sci., 22, 1917–1929,, 2018. 
Short summary
Here we present a hydrological framework for understanding the mechanisms supporting the persistence of water in pools along non-perennial rivers. Pools may collect water after rainfall events, be supported by water stored within the river channel sediments, or receive inflows from regional groundwater. These hydraulic mechanisms can be identified using a range of diagnostic tools (critiqued herein). We then apply this framework in north-west Australia to demonstrate its value.