Abstract
Associations between channel morphology and the distribution and
character of large woody debris (LWD) within a 95-km reach of the River
Murray, Australia were examined at different scales. At the reach scale there
was a uniform pattern of LWD distribution along the river. Most LWD was
associated with eroding sites, close to the bank and aligned at 90° or less to the
flow. At the sub-reach scale (0.5–1.5 km) strong associations were found
between the curvature of the river channel and LWD distribution. Distribution
patterns at this scale suggest that LWD is mainly recruited by bank erosion
and falls into the river perpendicular to the flow. It subsequently remains close
to where it falls and is realigned rather than actively moved by the river.
Within meander bends there was twice as much LWD along the outer bank as
there was along the inner bank, and while the amount on the inner bank
declined with increasing distance into the bend the reverse was true for the
outer bank.
character of large woody debris (LWD) within a 95-km reach of the River
Murray, Australia were examined at different scales. At the reach scale there
was a uniform pattern of LWD distribution along the river. Most LWD was
associated with eroding sites, close to the bank and aligned at 90° or less to the
flow. At the sub-reach scale (0.5–1.5 km) strong associations were found
between the curvature of the river channel and LWD distribution. Distribution
patterns at this scale suggest that LWD is mainly recruited by bank erosion
and falls into the river perpendicular to the flow. It subsequently remains close
to where it falls and is realigned rather than actively moved by the river.
Within meander bends there was twice as much LWD along the outer bank as
there was along the inner bank, and while the amount on the inner bank
declined with increasing distance into the bend the reverse was true for the
outer bank.
| Original language | English |
|---|---|
| Title of host publication | The Structure, Function and Management Implications of Fluvial Sedimentary Systems |
| Subtitle of host publication | Proceedings of an international symposium held al Alice Springs, Australia, September 2002. IAHS Publ. no. 276, 2002 |
| Editors | Fiona J. Dyer, Martin C. Thoms, Jon M. Olley |
| Place of Publication | Oxfordshire |
| Publisher | IAHS Press |
| Pages | 11-18 |
| Number of pages | 8 |
| Volume | 276 |
| ISBN (Print) | 9781901502961 |
| Publication status | Published - 2002 |
| Event | International Symposium on the Structure, Function and Management Implications of Fluvial Sedimentary Systems - Alice Springs, Alice Springs, Australia Duration: 2 Sept 2002 → 6 Sept 2002 |
Conference
| Conference | International Symposium on the Structure, Function and Management Implications of Fluvial Sedimentary Systems |
|---|---|
| Country/Territory | Australia |
| City | Alice Springs |
| Period | 2/09/02 → 6/09/02 |