Imperial College London
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DrDylanRood

Faculty of Engineering, Department of Earth Science & Engineering

Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 7594 7461d.rood

 
 
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Location

 

4.43Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Codilean:2021:10.1016/j.earscirev.2021.103543,
author = {Codilean, AT and Fülöp, R-H and Munack, H and Wilcken, KM and Cohen, TJ and Rood, DH and Fink, D and Bartley, R and Croke, J and Fifield, LK},
doi = {10.1016/j.earscirev.2021.103543},
journal = {Earth-Science Reviews},
pages = {1--24},
title = {Controls on denudation along the East Australian continental margin},
url = {http://dx.doi.org/10.1016/j.earscirev.2021.103543},
volume = {214},
year = {2021}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We report a comprehensive inventory of 10Be-based basin-wide denudation rates (n = 160) and 26Al/10Be ratios (n = 67) from 48 drainage basins along a 3000 km stretch of the East Australian passive continental margin. We provide data from both basins draining east of the continental divide (n = 37) and discharging into the Tasman and Coral Seas, and from basins draining to the west as part of the larger Murray-Darling and Lake Eyre river systems (n = 11). 10Be-derived denudation rates in mainstem samples from east-draining basins range between 7.7 ± 1.9 (± 1σ; Mary) and 54.6 ± 13.7 mm kyr−1 (North Johnstone). Denudation rates in tributary samples range between 3.0 ± 0.7 (Burdekin) and 70.2 ± 18.9 mm kyr−1 (Liverpool). For west-draining basins, denudation rates are overall lower and with a more restricted range of 4.8 ± 1.2 (Barcoo) to 15.4 ± 3.6 mm kyr−1 (Maranoa) in mainstem samples, and between 4.4 ± 1.0 (Murrumbidgee) and 38.5 ± 7.8 mm kyr−1 (Murray) in tributary samples. East Australian denudation rates (median = 14.5 mm kyr−1) are similar to those found in other postorogenic landscapes (global median = 12.4 mm kyr−1) and the medians of the top 10% denudation rates recorded here (46.5 mm kyr−1) and in other passive margin settings are also similar, despite differences in topography and precipitation. These median denudation rate values are close to the 95th percentile denudation rate for all tectonically passive basins (≈53 mm kyr−1) and are very similar to the global silicate weathering speed limit (≈58 mm kyr−1) calculated as the 95th percentile of global soil weathering rates. The above suggests that in post-orogenic terrain, the overall rates of topographic decay have a ‘speed limit’ that is imposed by the rate at which rock is converted to soil by chemical weathering. Denudation rates along the East Australian mar
AU  - Codilean,AT
AU  - Fülöp,R-H
AU  - Munack,H
AU  - Wilcken,KM
AU  - Cohen,TJ
AU  - Rood,DH
AU  - Fink,D
AU  - Bartley,R
AU  - Croke,J
AU  - Fifield,LK
DO  - 10.1016/j.earscirev.2021.103543
EP  - 24
PY  - 2021///
SN  - 0012-8252
SP  - 1
TI  - Controls on denudation along the East Australian continental margin
T2  - Earth-Science Reviews
UR  - http://dx.doi.org/10.1016/j.earscirev.2021.103543
UR  - https://www.sciencedirect.com/science/article/pii/S0012825221000428?via%3Dihub
UR  - http://hdl.handle.net/10044/1/90219
VL  - 214
ER  -
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