Linkage Projects - Grant ID: LP0348541

Funding Activity

Website
http://dataportal.arc.gov.au/NCGP/API/grants/LP0348541

Funding Status
Closed

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Funded Activity Summary

Computer simulation and field application of tidal buffering and sub-surface alkaline barrier techniques to enhance acid sulphate soils management. In low-lying coastal areas, groundwater drawdown due to deep flood mitigation drains and prolonged droughts has exacerbated sub-surface pyrite oxidation, forming sulphuric acid. The distribution of acid following rainfall affects soil-water quality. The pressures of urban development in the Shoalhaven floodplain (civil infrastructure, agriculture, aquaculture and recreational industries) necessitate the accurate prediction of acid migration. Therefore, the key challenge will be the development of comprehensive numerical models, which include complex estuarine hydrogeology and tidal dynamics, supported by field monitoring. Using these models, the novel concepts of 2-way floodgates that promote tidal flushing and the effectiveness of sub-surface alkaline barriers can be tested in the Shoalhaven, and subsequently applied globally.

Funded Activity Details

Start Date: 08-2003

End Date: 12-2006

Funding Scheme: Linkage Projects

Funding Amount: $189,000.00

Funder: Australian Research Council

Research Topics

ANZSRC Field of Research (FoR)

Environmental Engineering | Environmental Engineering Not Elsewhere Classified | Applied Hydrology (Drainage, Flooding, Irrigation, Quality, Etc.) | Geotechnical Engineering |

ANZSRC Socio-Economic Objective (SEO)

Land and water management | Rehabilitation of degraded coastal and estuarine areas

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