Spatial variability in fluvial style and likely responses to sea level change, Herbert River, Queensland

Woolfe, K.J., Larcombe, P., Orpin, A.R., and Purdon, R.G. (2000) Spatial variability in fluvial style and likely responses to sea level change, Herbert River, Queensland. Australian Journal of Earth Sciences, 47 (4). pp. 689-694.

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Abstract

In broad terms, fluvial systems can be considered as comprising two basic geomorphologic features, a channel and its floodplain (overbank), each of which may accumulate sediment or undergo erosion. The sedimentary relationships between channels and floodplains, the resultant sedimentary architecture and the form of the dependent landscape may all be considered in terms of the relative rates of channel and floodplain aggradation and/or erosion. Using this approach, the Herbert River in north Queensland can be divided into seven 'fluvial fields'. By considering the likely migration directions of field boundaries in the lower floodplain we conclude that, contrary to many sequence-stratigraphic models, lowering sea-level would drive a general aggradation of the system on the Great Barrier Reef shelf, whereas a sea-level rise would cause further incision of the modern coastal plain.

Item ID: 12779
Item Type: Article (Research - C1)
ISSN: 1440-0952
Keywords: erosion; fluvial environment; Herbert River; sea Level; sedimentation
Date Deposited: 16 Jul 2012 04:32
FoR Codes: 04 EARTH SCIENCES > 0403 Geology > 040310 Sedimentology @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970104 Expanding Knowledge in the Earth Sciences @ 100%
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