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East Antarctica: subglacial heat flux constraints for ice sheet modelling. This project aims to quantify the heat flux from the East Antarctic continent into the base of the ice sheet via the derivation of a large geochemical database, together with elevation-based modelling and new heat flux measurements in regions formerly contiguous with East Antarctica. This subglacial heat flux is poorly constrained in current ice sheet models, but directly affects ice sheet behaviour. The output of this pr ....East Antarctica: subglacial heat flux constraints for ice sheet modelling. This project aims to quantify the heat flux from the East Antarctic continent into the base of the ice sheet via the derivation of a large geochemical database, together with elevation-based modelling and new heat flux measurements in regions formerly contiguous with East Antarctica. This subglacial heat flux is poorly constrained in current ice sheet models, but directly affects ice sheet behaviour. The output of this project will be a greatly improved heat flux map for East Antarctica that can be used in ice sheet modelling studies. This should drive significant improvement in models for the evolution of the East Antarctic Ice Sheet, resulting in more accurate projections of ice discharge and associated sea level change.Read moreRead less
The global consequences of subduction zone congestion. This project will use a combination of 3D geodynamic modelling, plate kinematic reconstruction and geological and geophysical synthesis to determine how congested subduction zones influence plate kinematics, subduction dynamics and tectonic evolution at orogen and global scales. The project aims to deliver a transformation change in understanding the links between congested subduction, mantle flow, trench migration, crustal growth, transitio ....The global consequences of subduction zone congestion. This project will use a combination of 3D geodynamic modelling, plate kinematic reconstruction and geological and geophysical synthesis to determine how congested subduction zones influence plate kinematics, subduction dynamics and tectonic evolution at orogen and global scales. The project aims to deliver a transformation change in understanding the links between congested subduction, mantle flow, trench migration, crustal growth, transitions between stable convergent margin configurations and deformation in the overriding plates of subduction zones. Determining these relationships is significant because it will provide dynamic context to interpret the geological record of ancient convergent margins, which host a large percentage of Earth's metal resources.Read moreRead less
Beneath Bass Strait: linking Tasmania and mainland Australia using a novel seismic experiment. A new low-cost approach based on background seismic energy and earthquake recordings will be used to construct three-dimensional maps of the deep structure beneath Bass Strait. Understanding the broad scale geology of southeast Australia is of national importance because the area is host to an abundance of petroleum, geothermal and mineral resources.