Investigation into salinisation in southwestern Queensland

Kate Wilkinson; Tessa Chamberlain; Mike Grundy

doi:10.1071/ASEG2004ab159

ISSN: 2202-0586
E-ISSN:

oa Investigation into salinisation in southwestern Queensland
Authors Kate Wilkinson^a, Tessa Chamberlain^b and Mike Grundy^c
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^a Natural Resources, Mines & Energy, , Australia, [email protected] ^b Natural Resources, Mines & Energy, , Australia, [email protected] ^c Natural Resources, Mines & Energy, , Australia, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2004, Issue ASEG2004 - 17th Geophysical Conference, Dec 2004, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2004ab159
- Published online: 01 Dec 2004

Abstract

This study, combining geophysical and environmental approaches, was undertaken to investigate the causes of secondary salinity in the Goondoola Basin, in southwestern Queensland.

A range of airborne and ground geophysical datasets were acquired, along with information on surface and subsurface materials and groundwater. Relationships established between various spatial and point datasets allowed us to generate predictive maps of surface materials, surficial salt stores and recharge potential. Investigation of groundwater and subsurface architecture identified subsurface salt stores and potential discharge areas.

Salinisation in this area occurs as a result of local- and intermediate-scale processes, controlled strongly by regolith architecture. Management strategies can now be tailored specifically to prevent excess recharge and further salt mobilisation.

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References

Claridge, J., Grandy, M., and Bell, J., 2003, Prediction of soil properties from key area mapping. In Conference Proceedings: ASA-CSSA-SSSA Annual Meetings. Denver, USA.
Coram, I., 2003, Hydrochemistry of diamond core profiles from the St George region of southern Queensland. Bureau of Rural Sciences Report as part of the Lower Balonne Airborne Geophysics Project (unpublished).
Gallant, J. C, and Dowling, T. I., in press, A multi-resolution index of valley bottom flatness for mapping depositional areas. Water Resources Research.
lones, G., 2003, Lower Balonne AEM Project: Coring Program Report. Bureau of Rural Sciences Report as part of the Lower Balonne Airborne Geophysics Project (unpublished).
Kellett, I., and Mullen, I., 2003, Lower Ballone AEM project: calibration drilling report. Bureau of Rural Sciences Report as part of the Lower Balonne Airborne Geophysics Project (unpublished).
Lane, R., Brodie, B., and Fitzpatrick, A., 2003, Constrained inversion of AEM data from St George, Qld. CRC LEME Report as part of the Lower Balonne Airborne Geophysics Project (unpublished).
Wilford, J. R., Bierworth, P. N., and Craig, M. A., 1997, Application of airborne gamma-ray spectrometry in soil/regolith mapping and applied geomorphology: AGSO lournal of Geology & Geophysics, 17,201-216.

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Article Type: Research Article

Keyword(s): electromagnetics; land management; radiometrics; Salinity; southwestern Queensland

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oa Investigation into salinisation in southwestern Queensland

Abstract

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