Linkage Infrastructure, Equipment And Facilities - Grant ID: LE150100013
Funder
Australian Research Council
Funding Amount
$860,000.00
Summary
Laser ablation multiple split streaming. Laser ablation multiple split streaming: This geochemical facility with an innovative, world-leading micro-analytical capability intends to support research of fundamental and strategic problems at the frontiers of the Earth and Environmental Sciences. The facility aims to allow new insight into the age, composition, thermal history and structure of the Australian continent, as necessary for delineating mineral endowment and for tracing the sources of ore ....Laser ablation multiple split streaming. Laser ablation multiple split streaming: This geochemical facility with an innovative, world-leading micro-analytical capability intends to support research of fundamental and strategic problems at the frontiers of the Earth and Environmental Sciences. The facility aims to allow new insight into the age, composition, thermal history and structure of the Australian continent, as necessary for delineating mineral endowment and for tracing the sources of ore metals. It will provide a higher resolution record of climate and environmental change which will better inform assessment of the impacts, both locally and regionally. It is intended that the facility will amplify national and international scientific collaboration and create unique research opportunities for Australian-based scientists.Read moreRead less
Pyrite: a deep-time capsule of ocean chemistry and atmosphere oxidation. Surprisingly little is known about trace element trends in past oceans, even though these data are vital for interpreting the evolution of the Earth's atmosphere, evolutionary pathways of marine life and cycles of major mineral deposits. Using laser-based analysis of sedimentary pyrite in deep marine rocks, this project aims to produce, for the first time, temporal variation curves for 25 trace elements in seawater over the ....Pyrite: a deep-time capsule of ocean chemistry and atmosphere oxidation. Surprisingly little is known about trace element trends in past oceans, even though these data are vital for interpreting the evolution of the Earth's atmosphere, evolutionary pathways of marine life and cycles of major mineral deposits. Using laser-based analysis of sedimentary pyrite in deep marine rocks, this project aims to produce, for the first time, temporal variation curves for 25 trace elements in seawater over the last 3.5 billion years. Preliminary research has validated the technique and demonstrated major changes in certain trace elements over geologically short periods. Outcomes will assist the minerals industry in the discovery of new deposits of zinc, copper, gold and iron ore in Australia.Read moreRead less
The Southern Ocean's role in determining atmospheric CO2 levels: new insights from novel biogenic silica records of seawater pH. About half the emissions from the burning of fossil fuel since the Industrial Revolution have been absorbed by the oceans. However, considerable uncertainty surrounds the consequences of and the extent to which the oceans will continue to sequester CO2 into the future. This research will improve existing limited knowledge of the key biological and related ocean process ....The Southern Ocean's role in determining atmospheric CO2 levels: new insights from novel biogenic silica records of seawater pH. About half the emissions from the burning of fossil fuel since the Industrial Revolution have been absorbed by the oceans. However, considerable uncertainty surrounds the consequences of and the extent to which the oceans will continue to sequester CO2 into the future. This research will improve existing limited knowledge of the key biological and related ocean processes that transfer CO2 between the surface and depth, and the poorly understood effects on marine ecosystems of increasing ocean acidity due to CO2 absorption. This knowledge will contribute to predicting the course of future climate change and gauging the impacts on marine life and production systems.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE130100153
Funder
Australian Research Council
Funding Amount
$240,000.00
Summary
A liquid chromatography/gas bench: isotope ratio mass spectrometer for new and novel carbon and nitrogen research in coastal systems. This project will build a cutting-edge facility that will allow measurement of new and novel carbon and nitrogen stable isotopes. The facility will allow ground-breaking research to be undertaken in a variety of environmental fields such as coastal eutrophication, climate change, ocean acidification, coastal hydrology, and coral reefs.
Unravelling the nature of secular global climatic change on the Precambrian Earth. Ancient sedimentary rocks record evidence of major climate change and variations in the composition of the atmosphere. By applying novel isotopic and geochemical techniques, this project aims to document when and how the Earths atmosphere and climate changed prior to the evolution of complex lifeforms. Curiously, such dramatic climate changes have controlled both the rate of evoutionary process and the formation o ....Unravelling the nature of secular global climatic change on the Precambrian Earth. Ancient sedimentary rocks record evidence of major climate change and variations in the composition of the atmosphere. By applying novel isotopic and geochemical techniques, this project aims to document when and how the Earths atmosphere and climate changed prior to the evolution of complex lifeforms. Curiously, such dramatic climate changes have controlled both the rate of evoutionary process and the formation of world class mineral deposits.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE200100155
Funder
Australian Research Council
Funding Amount
$430,000.00
Summary
An Equilibrium Inlet-Proton Transfer Reaction-Mass Spectrometer. Biogenic volatile organic compounds (BVOC) play a key role in earth system processes but little is known about the amount of BVOCs emitted, and the mechanisms underlying their production in marine habitats, despite these being potential hotspots for BVOC emissions. The aim of this proposal is to custom build a portable equilibrator inlet proton transfer reaction mass spectrometer for measurements of BVOC’s in coastal waters. This w ....An Equilibrium Inlet-Proton Transfer Reaction-Mass Spectrometer. Biogenic volatile organic compounds (BVOC) play a key role in earth system processes but little is known about the amount of BVOCs emitted, and the mechanisms underlying their production in marine habitats, despite these being potential hotspots for BVOC emissions. The aim of this proposal is to custom build a portable equilibrator inlet proton transfer reaction mass spectrometer for measurements of BVOC’s in coastal waters. This will be the first such instrument in the southern hemisphere and it will enable us to make in situ, high-precision measurements which will lead to ground-breaking advances that will revolutionise our understanding of BVOC cycling in coastal environments and their influence on the global climate system.
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Are subterranean estuaries a source or sink of greenhouse gases? The aim of this project is to investigate the role of subterranean estuaries and submarine groundwater discharge on the marine cycle of the greenhouse gases carbon dioxide, methane, and nitrous oxide. The expected outcome of this project is a better understanding of the role of coastal environments as a net source or sink of greenhouse gases.
Unravelling the history of nitrogen cycling within the central Great Barrier Reef. This project aims to use coral skeleton geochemical analysis to establish if, when, and how nitrogen cycling changed along the central inshore region of the Great Barrier Reef (GBR) lagoon. Increasing anthropogenic nitrogen discharge to coastal waters could drive ecosystem decline in the GBR, one of Australia’s most sensitive and economically valuable natural environments. However, the full effect of anthropogenic ....Unravelling the history of nitrogen cycling within the central Great Barrier Reef. This project aims to use coral skeleton geochemical analysis to establish if, when, and how nitrogen cycling changed along the central inshore region of the Great Barrier Reef (GBR) lagoon. Increasing anthropogenic nitrogen discharge to coastal waters could drive ecosystem decline in the GBR, one of Australia’s most sensitive and economically valuable natural environments. However, the full effect of anthropogenic nitrogen is unclear due to a lack of long, continuous records. This project will unravel the history of nitrogen cycling in the GBR since the mid-1800s, knowledge crucial for managing this reef system.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE140100083
Funder
Australian Research Council
Funding Amount
$155,000.00
Summary
A gamma spectrometry facility for cutting edge environmental geochemistry investigations. A gamma spectrometry facility for cutting edge environmental geochemistry investigations: This project will provide a cutting edge gamma spectrometry facility. The facility will perform high precision radionuclide measurements to resolve complex environmental processes such as sediment accumulation, soil erosion, submarine groundwater discharge, atmospheric deposition, marine carbon scavenging, and water ma ....A gamma spectrometry facility for cutting edge environmental geochemistry investigations. A gamma spectrometry facility for cutting edge environmental geochemistry investigations: This project will provide a cutting edge gamma spectrometry facility. The facility will perform high precision radionuclide measurements to resolve complex environmental processes such as sediment accumulation, soil erosion, submarine groundwater discharge, atmospheric deposition, marine carbon scavenging, and water mass circulation. This project is significant because the data obtained will fill fundamental gaps in the understanding of carbon, nitrogen, and trace metal cycling in soils, groundwater, rivers, estuaries, and the ocean. The outcome of this project is a better understanding of regional and global biogeochemical cycles. Read moreRead less
Factors influencing the bioavailability of iron in marine waters. Strong evidence now exists that iron availability controls the productivity and species composition of planktonic organisms in open oceans and coastal and estuarine environments. The mechanisms by which iron is rendered available and induces growth remain unclear but appear to involve, in many instances, light and both generic and specific organic complexants of iron. In this study, we investigate the effect of selected naturally ....Factors influencing the bioavailability of iron in marine waters. Strong evidence now exists that iron availability controls the productivity and species composition of planktonic organisms in open oceans and coastal and estuarine environments. The mechanisms by which iron is rendered available and induces growth remain unclear but appear to involve, in many instances, light and both generic and specific organic complexants of iron. In this study, we investigate the effect of selected naturally occurring complexants on redox transformations of iron with particular emphasis given to the potential ability of organics and light to increase the bioavailability of iron.Read moreRead less