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- Title
Role of a rheophyte in bench development on a sand-bed river in southeast Australia.
- Authors
Erskine, Wayne; Chalmers, Anita; Keene, Annahelle; Cheetham, Michael; Bush, Richard
- Abstract
The article presents a study which investigates the relationships between fluvial sedimentological process and the growth of the rheophytic tree, Casuarina cunninghamiana, on benches at the sand-bed Widden Brook in Hunter Valley, New South Wales. It discusses the implications of channel contraction by bench formation in the growth of C. cunninghamiana. The study has found that rapid establishment of C. cunninghamiana occurs when coarse-grained point bars grow to a height where suspended sediment is first deposited in the bench formation. Findings indicate that synergistic relationships between the point bar height and inundation, sediment deposition, tree establishment, and the development of a bankside low current velocity zone are basic factors associated with bench development.
- Subjects
HUNTER River Valley (N.S.W.); NEW South Wales; CASUARINA cunninghamiana; BENCHES (Geomorphology); RIVER sediments; SUSPENDED sediments; SEDIMENTATION &; deposition
- Publication
Earth Surface Processes & Landforms, 2009, Vol 34, Issue 7, p941
- ISSN
0197-9337
- Publication type
Article
- DOI
10.1002/esp.1778