Unravelling the drivers of greenhouse gas emissions in estuaries. The aim of this project is to understand and quantify the factors controlling the emission of carbon dioxide, methane and nitrous oxide from estuaries. Coastal systems play a disproportionately large role in the global emissions of greenhouse gases, but this is poorly quantified. The project plans to use a combination of continuous concentration and stable isotope measurements, process measurements and advanced numerical modelling ....Unravelling the drivers of greenhouse gas emissions in estuaries. The aim of this project is to understand and quantify the factors controlling the emission of carbon dioxide, methane and nitrous oxide from estuaries. Coastal systems play a disproportionately large role in the global emissions of greenhouse gases, but this is poorly quantified. The project plans to use a combination of continuous concentration and stable isotope measurements, process measurements and advanced numerical modelling across a range of undisturbed to disturbed systems. It is intended that this project will provide information for conceptualising, calibrating and verifying models, including green-house gas production. Good models, and the data that support them, such as that provided by this study, are critical for the efficient allocation of management resources in Australian coastal systems, including by our partners. The findings from this project will have direct implications to the management, rehabilitation and protection of waterways (including biodiversity) in Australia.Read moreRead less
Unravelling the cycling of nitrogen along a subtropical freshwater-marine continuum using a multi-isotope, multi-tracer and modelling approach. This project will significantly advance our understanding of the sources, cycling and pathways of nitrogen along a sub-tropical catchment-river-estuary. As such, the findings from this research will have direct implications to the management, rehabilitation and protection of waterways (including biodiversity) in Australia.
An Australian storm wave damage and beach erosion early warning system. This project aims to develop a new coastal hazard early-warning system capability for Australia, to alert coastal communities, emergency managers and coastal engineers to impending storm wave damage and coastal erosion. Emergency preparedness informed by early warning is expected to significantly benefit vulnerable communities and infrastructure along Australia’s coasts.
Quantitative metrics for determining aquifer ecosystem state. Clean groundwater comes from dirty surface water by way of biological purification. This project will develop quantitative ways to assess groundwater ecosystems to ensure the sustainable extraction of water and maintenance of these crucial ecosystems.
Effect of deep-sea drilling on sustainability of deep-sea ecosystems. Offshore oil and gas production makes a significant contribution to the Australian economy and enhances our energy security. Australia's vast deep-sea reserves of hydrocarbons lie on the NW Shelf and in Bass Strait, ecological 'hot spots' that are extremely vulnerable to the impact of exploration, extraction and production. Using deep-sea equipment, we will conduct the field experiments that are essential to understanding the ....Effect of deep-sea drilling on sustainability of deep-sea ecosystems. Offshore oil and gas production makes a significant contribution to the Australian economy and enhances our energy security. Australia's vast deep-sea reserves of hydrocarbons lie on the NW Shelf and in Bass Strait, ecological 'hot spots' that are extremely vulnerable to the impact of exploration, extraction and production. Using deep-sea equipment, we will conduct the field experiments that are essential to understanding these ecosystems and the impact of deep-sea structures. Our advances will produce data and develop methodologies that will make Australia a world leader in reconciling our deep-sea energy and environmental needs.Read moreRead less
Ecosystem resilience of Shark Bay under changing ocean climate. This project aims to investigate the resilience of the Shark Bay World Heritage Site to projected climate change. This project will generate new knowledge for marine conservation through analyses of habitat loss on nutrient budgets and productivity in seagrass and microbialite ecosystems. Expected outcomes are an improved understanding of climate-driven shifts on ecosystem processes in Shark Bay, incorporating science-based evidence ....Ecosystem resilience of Shark Bay under changing ocean climate. This project aims to investigate the resilience of the Shark Bay World Heritage Site to projected climate change. This project will generate new knowledge for marine conservation through analyses of habitat loss on nutrient budgets and productivity in seagrass and microbialite ecosystems. Expected outcomes are an improved understanding of climate-driven shifts on ecosystem processes in Shark Bay, incorporating science-based evidence for better conservation and management. This will provide significant benefits by contributing to the future-proofing of Shark Bay’s World Heritage values to climate change, and more broadly by demonstrating the consequences of the continued tropicalisation of Australia’s coastline.Read moreRead less
Utilising plant-sediment-feedbacks to enhance seagrass restoration. This project aims to investigate the role of sediment microbes in promoting the health of threatened seagrass species across Australia. This project expects to create new knowledge for enhancing restoration success for seagrasses by integrating macro and micro-ecology, environmental genomics, plant ecology and ecosystem function (e.g. nutrient and biogeochemistry cycling). Expected outcomes are new knowledge to enhance seagrass ....Utilising plant-sediment-feedbacks to enhance seagrass restoration. This project aims to investigate the role of sediment microbes in promoting the health of threatened seagrass species across Australia. This project expects to create new knowledge for enhancing restoration success for seagrasses by integrating macro and micro-ecology, environmental genomics, plant ecology and ecosystem function (e.g. nutrient and biogeochemistry cycling). Expected outcomes are new knowledge to enhance seagrass restoration utilising sediment microbes that can be integrated into management and policy. This project should provide significant benefits, such as the development of key strategic alliances to enhance management of seagrasses, and the ecosystem services, and economic and social benefits they provide.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
Automated Sensors for a ‘wetland in a box’. Globally, and particularly in Australia, water supply and water pollution is one of the most critical constraints to our health and growth. This project seeks to validate a new portable remediation system suitable for deployment at regional locations through the integration and development of advanced sensors. We aim to develop the world’s first completely integrated platform for monitoring both water chemistry and microbiology to provide near-real-tim ....Automated Sensors for a ‘wetland in a box’. Globally, and particularly in Australia, water supply and water pollution is one of the most critical constraints to our health and growth. This project seeks to validate a new portable remediation system suitable for deployment at regional locations through the integration and development of advanced sensors. We aim to develop the world’s first completely integrated platform for monitoring both water chemistry and microbiology to provide near-real-time information regarding the quality of the remediated water. We expect this to improve the availability of regional water resources by providing a low-cost remediation solution with integrated monitoring to provide assurances of meeting the Australian Guidelines for Water Recycling (2006).Read moreRead less
Unlocking the secrets of the groundwater cycle using Si and Li isotopes. This project aims to determine how non-conventional lithium and silicon isotopes can be used to understand groundwater processes using an innovative source-to-target approach. The project aims to apply these isotope tracers to trace the water cycle within a well constrained system: an island aquifer with a dense borefield which has been analysed using traditional isotopic techniques. Supporting hydrochemical data will be us ....Unlocking the secrets of the groundwater cycle using Si and Li isotopes. This project aims to determine how non-conventional lithium and silicon isotopes can be used to understand groundwater processes using an innovative source-to-target approach. The project aims to apply these isotope tracers to trace the water cycle within a well constrained system: an island aquifer with a dense borefield which has been analysed using traditional isotopic techniques. Supporting hydrochemical data will be used to determine the relationship of the isotopes with environmental processes. The project impact will be the development of new methods to help understand our groundwater resource. The improved process understanding will be translated to groundwater management in general. The projects' focus on carbonate aquifer systems typical of coastal regions of southern, eastern and western Australia will have relevance to groundwater management in urban areas such as Perth and in rural areas for tourism and viticulture, and for management of natural resources in National Parks.Read moreRead less