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Geo-hydrodynamic modelling and estuarine evolution. We have accumulated considerable knowledge of the geomorphology, sedimentology and hydrodynamics of estuarine systems in southeastern Ausralia. This project represents the first rigorous attempt to combine these diverse factors to provide a process-based mathematical model of long- to medium-term sedimentation that can be used for environmental management. To be predictive the model has to use documented changes in the sedimentation histories o ....Geo-hydrodynamic modelling and estuarine evolution. We have accumulated considerable knowledge of the geomorphology, sedimentology and hydrodynamics of estuarine systems in southeastern Ausralia. This project represents the first rigorous attempt to combine these diverse factors to provide a process-based mathematical model of long- to medium-term sedimentation that can be used for environmental management. To be predictive the model has to use documented changes in the sedimentation histories of different estuary types over the past 8000 years in order to predict their evolution over the next 1000 years. The models that are developed can be applied to estuarine systems both nationally and internationally.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0560736
Funder
Australian Research Council
Funding Amount
$250,622.00
Summary
Centre for Particle Characterisation (North Queensland). The aim of this proposal is to establish a state-of-the-art research facility as part of a comprehensive material characterisation infrastructure required to support JCU's expanding activities in geology, oceanography, sustainable water research and nanotechnology. New instruments to measure attractive forces between particles, material density, porosity, surface area, and carbon, nitrogen, and sulphur content in conjunction with replacin ....Centre for Particle Characterisation (North Queensland). The aim of this proposal is to establish a state-of-the-art research facility as part of a comprehensive material characterisation infrastructure required to support JCU's expanding activities in geology, oceanography, sustainable water research and nanotechnology. New instruments to measure attractive forces between particles, material density, porosity, surface area, and carbon, nitrogen, and sulphur content in conjunction with replacing an old grain size analyser will provide advanced instrumentation for research across several Schools with a diversity of research priorities. The proposed facility will create new opportunities for collaborative programs with national and international researchers as well as foster industry partnership.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE100100094
Funder
Australian Research Council
Funding Amount
$110,000.00
Summary
Single-grain optically-stimulated luminescence and dosimetry instruments to service the Sydney metropolitan and greater New South Wales region. This equipment will support projects that address significant environmental challenges in Australia, such as climate change and variability, coastal management and sustainable river and water management, and that assess the impacts and consequences of these challenges for populations living in environmentally sensitive areas. These projects will build on ....Single-grain optically-stimulated luminescence and dosimetry instruments to service the Sydney metropolitan and greater New South Wales region. This equipment will support projects that address significant environmental challenges in Australia, such as climate change and variability, coastal management and sustainable river and water management, and that assess the impacts and consequences of these challenges for populations living in environmentally sensitive areas. These projects will build on established collaborations in Australia, Antarctica and the south-west Pacific and encourage new collaborations with south-east Asian, Egyptian and Argentinean researchers, which will promote Australian research on a world stage. The use of this equipment will also pioneer new dating methodologies to further enhance Australia's place at the forefront of geochronology.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE100100141
Funder
Australian Research Council
Funding Amount
$420,000.00
Summary
High-resolution ITRAX XRF core scanning facility for global change research. This facility will enable researchers to obtain high-resolution geochemical profiles in the study of environmental change and climate variability. It will provide archive data on the variation of density and chemical element composition along sediment and soil cores, rock cores, wood samples, speleothems and corals. These archives contain important information such as human activity, climate variability, water quality c ....High-resolution ITRAX XRF core scanning facility for global change research. This facility will enable researchers to obtain high-resolution geochemical profiles in the study of environmental change and climate variability. It will provide archive data on the variation of density and chemical element composition along sediment and soil cores, rock cores, wood samples, speleothems and corals. These archives contain important information such as human activity, climate variability, water quality changes, pollution histories, recent geomorphological change, land-use change, introduction of invasive species and the occurrence of bushfires. A better understanding of the occurrence and timing of these major environmental issues is of national and regional importance.Read moreRead less
Hyper-accumulations of monosulfidic sediments: Exploring a biogeochemical extreme to resolve fundamental sulfur biomineralisation pathways. The hyper-accumulation of monosulfidic sediments has a directsocial, economic and environmental impact on communities in many parts of Australia, including highly valued wetland systems such as the Ramsar wetlands of the lower Murray Darling Basin and internationally recognised Peel-Harvey Estuary of WA. Maintenance dredging of these materials alone costs th ....Hyper-accumulations of monosulfidic sediments: Exploring a biogeochemical extreme to resolve fundamental sulfur biomineralisation pathways. The hyper-accumulation of monosulfidic sediments has a directsocial, economic and environmental impact on communities in many parts of Australia, including highly valued wetland systems such as the Ramsar wetlands of the lower Murray Darling Basin and internationally recognised Peel-Harvey Estuary of WA. Maintenance dredging of these materials alone costs the nation millions of dollars annually. The hyper monosulfidic sediments are also linked to severe environmental impacts. This project will inform how these materials develop and accumulate. This new knowledge will be of immediate relevance for the management of eutrophic estuaries.Read moreRead less
Tropical sand beach ridges - a new approach to palaeotempestology. Investigations of sand beach ridges in northern Australia will considerably reduce the impact of future tropical cyclones on communities. These ridges record a detailed history of cyclones over the past 5,000 years. Due to the great length of record we will now be able to identify cycles of cyclone activity, which will allow us to better predict the consequences of these hazards under an enhanced greenhouse climate and reduce the ....Tropical sand beach ridges - a new approach to palaeotempestology. Investigations of sand beach ridges in northern Australia will considerably reduce the impact of future tropical cyclones on communities. These ridges record a detailed history of cyclones over the past 5,000 years. Due to the great length of record we will now be able to identify cycles of cyclone activity, which will allow us to better predict the consequences of these hazards under an enhanced greenhouse climate and reduce the threat to human life and economic loss.Read moreRead less
Assessment of the potential consequences of large-scale eradication of rice grass from the Tamar Estuary, Tasmania. Introduced Rice grass has trapped large volumes of intertidal sediment, yet reduced amenity values of the Tamar Estuary, transforming beaches into muddy rice grass meadows, threatening aquaculture industries, and silting up coastal developments. This project will investigate the consequences of rice grass eradication, by determination of sediment volume trapped, contaminants contai ....Assessment of the potential consequences of large-scale eradication of rice grass from the Tamar Estuary, Tasmania. Introduced Rice grass has trapped large volumes of intertidal sediment, yet reduced amenity values of the Tamar Estuary, transforming beaches into muddy rice grass meadows, threatening aquaculture industries, and silting up coastal developments. This project will investigate the consequences of rice grass eradication, by determination of sediment volume trapped, contaminants contained, and monitoring of processes active after removal. The outcomes of this research will enable informed decisions on management of the Tamar rice grass infestation, and provide an understanding the impacts of large scale eradication to management authorities of similar infestations in Victoria, New Zealand, Europe, China and the USA.Read moreRead less
The stability of shallow coastal sediments with and without seagrasses. One of the key factors influencing the success of seagrass transplantation work appears to be the stability of the surrounding sediment, and therefore an understanding of the dynamism of the sediments is crucial to further progress in this field. This project will examine the dynamics of sediments around seagrass meadows across a range of wave energies. A series of automated sediment height loggers will be deployed in seagra ....The stability of shallow coastal sediments with and without seagrasses. One of the key factors influencing the success of seagrass transplantation work appears to be the stability of the surrounding sediment, and therefore an understanding of the dynamism of the sediments is crucial to further progress in this field. This project will examine the dynamics of sediments around seagrass meadows across a range of wave energies. A series of automated sediment height loggers will be deployed in seagrass meadows, as well as locations where seagrass meadows have been lost. Detailed studies of the sediments and environmental conditions will be undertaken at the same time, permitting comparisons between different locations.Read moreRead less