Alluvial fans, landslides and Late Quaternary climatic change in the wet tropics of northeast Queensland

Nott, J.F., Thomas, M.F., and Price, D.M. (2001) Alluvial fans, landslides and Late Quaternary climatic change in the wet tropics of northeast Queensland. Australian Journal of Earth Sciences, 48 (6). pp. 875-882.

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Abstract

Extensive alluvial‐fan and debris‐flow deposits occur along the base of the escarpment of the east Australian highlands in the wet tropics of northeast Queensland. Luminescence and radiocarbon dating show that these deposits accumulated between 27 ka and 14 ka, which was the driest phase of climate during the last full glacial cycle. Climatic desiccation and reduced plant cover, along with a continuation of discrete high‐magnitude rainfall events, were the principle causes of this phase of enhanced slope instability. Landslide activity and alluvial‐fan development have continued throughout the Holocene, but probably to a lesser extent and magnitude because of the amelioration of climate and the re‐establishment of forests throughout the region.

Item ID: 13104
Item Type: Article (Research - C1)
ISSN: 1440-0952
Keywords: alluvial fans; climate change; debris flow; landslides; quaternary; Queensland
Date Deposited: 28 Feb 2013 02:02
FoR Codes: 04 EARTH SCIENCES > 0406 Physical Geography and Environmental Geoscience > 040601 Geomorphology and Regolith and Landscape Evolution @ 100%
SEO Codes: 96 ENVIRONMENT > 9699 Other Environment > 969999 Environment not elsewhere classified @ 100%
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