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Sub-basin scale dust source geomorphology detected using MODIS

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posted on 22.04.2009 by Joanna Bullard, Matthew Baddock, Grant H. McTainsh, John Leys
The spatial and temporal variability of dust emissions from different surfaces in the Lake Eyre Basin, Australia is determined using MODIS data. For 2003–6 the sources of 529 dust plumes were classified: overall 37% of plumes originated in areas of aeolian deposits, 30% from alluvial deposits and floodplains and 29% from ephemeral lakes or playas. At this sub-basin scale, the relative importance of different dust source geomorphologies varied primarily in response to sediment supply and availability and was not related to aeolian transport capacity, suggesting the Lake Eyre Basin is a supply-limited system.

History

School

  • Social Sciences

Department

  • Geography and Environment

Citation

BULLARD, J. ... et al, 2008. Sub-basin scale dust source geomorphology detected using MODIS. Geophysical Research Letters, 35 (15), pp. L15404

Publisher

© American Geophysical Union

Version

AM (Accepted Manuscript)

Publication date

2008

Notes

An edited version of this paper was published by AGU. Copyright 2008 American Geophysical Union. Bullard, J., M. Baddock, G. McTainsh, and J. Leys (2008), Sub-basin scale dust source geomorphology detected using MODIS, Geophys. Res. Lett., 35, L15404, doi:10.1029/2008GL033928. To view the published open abstract, go to http://dx.doi.org/10.1029/2008GL033928

ISSN

0094-8276

Language

en

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