Understanding the flow pathways through the Macquarie Marshes, NSW

Morrison, TN; Rayburg, SC; Allery, C; Atiquzzaman, D

Understanding the flow pathways through the Macquarie Marshes, NSW

Morrison, TN Rayburg, SC Allery, C Atiquzzaman, D

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Publisher:: Engineers Australia
Publication Type:: Conference Proceeding
Citation:: Balance and Uncertainty Water in a Changing World, Proceedings of the 34th IAHR World Congress, 2011, pp. 2886 - 2892
Issue Date:: 2011-01

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Field	Value	Language
dc.contributor.author	Morrison, TN	en_US
dc.contributor.author	Rayburg, SC	en_US
dc.contributor.author	Allery, C	en_US
dc.contributor.author	Atiquzzaman, D	en_US
dc.contributor.editor	Valentine, EM	en_US
dc.date	2011-06-26	en_US
dc.date.issued	2011-01	en_US
dc.identifier.citation	Balance and Uncertainty Water in a Changing World, Proceedings of the 34th IAHR World Congress, 2011, pp. 2886 - 2892	en_US
dc.identifier.isbn	978-1-61839-653-2	en_US
dc.identifier.uri	http://hdl.handle.net/10453/19072
dc.description.abstract	The Macquarie Marshes is a large fluvial and floodplain wetland system at the end of the Macquarie River in northwest NSW. At the system inlet, the Macquarie River undergoes avulsion into a series of anastomosing channels that spread across the floodplain before remerging downstream. The Marshes support a variety of important ecosystems and as such are the recipient of environmental water allocations. However, little is known about the hydraulics within the Marshes or the quantity of water travelling through each flow pathway. A one-dimensional hydraulic model (Mike11) was created and calibrated against historical gauging with the purpose of determining the percentage flow down each anabranch. A network diagram of the Marshes was then created to show the proportions of water which reach various parts of the ecosystem including a consideration of transmission losses. This representation can be used by managers to target environmental water for specific ecosystems within the Marshes.	en_US
dc.publisher	Engineers Australia	en_US
dc.relation.ispartof	Balance and Uncertainty Water in a Changing World, Proceedings of the 34th IAHR World Congress	en_US
dc.relation.ispartof	Congress of IAHR, the International Association of Hydro-Environment Engineering and Research	en_US
dc.title	Understanding the flow pathways through the Macquarie Marshes, NSW	en_US
dc.type	Conference Proceeding
utslib.location	Brisbane	en_US
utslib.location.activity	Brisbane	en_US
utslib.for	040699 Physical Geography and Environmental Geoscience not elsewhere classified	en_US
dc.location.activity	Brisbane	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Life Sciences
utslib.copyright.status	closed_access
pubs.consider-herdc	true	en_US
pubs.finish-date	2011-07-01	en_US
pubs.place-of-publication	Brisbane	en_US
pubs.start-date	2011-06-26	en_US

Abstract:

The Macquarie Marshes is a large fluvial and floodplain wetland system at the end of the Macquarie River in northwest NSW. At the system inlet, the Macquarie River undergoes avulsion into a series of anastomosing channels that spread across the floodplain before remerging downstream. The Marshes support a variety of important ecosystems and as such are the recipient of environmental water allocations. However, little is known about the hydraulics within the Marshes or the quantity of water travelling through each flow pathway. A one-dimensional hydraulic model (Mike11) was created and calibrated against historical gauging with the purpose of determining the percentage flow down each anabranch. A network diagram of the Marshes was then created to show the proportions of water which reach various parts of the ecosystem including a consideration of transmission losses. This representation can be used by managers to target environmental water for specific ecosystems within the Marshes.

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http://hdl.handle.net/10453/19072