Public Talks Archive
A selection of the following public talks have been filmed and are available online for on demand viewing after the presentation.
IODP Expedition 369 - understanding Cretaceous climate and oceans in the southern hemisphere
02 August 2017
IODP expedition 369 in September-November 2017 will drill several stratigraphic wells off southwest Australia in the Bight and Mentelle basins. This expedition will study how the Earth's climate and oceans responded to the elevated levels of atmospheric CO2, the evolution of water chemistry and changes in the biota.
An energy revolution? How unconventional petroleum resource assessments improve our understanding of the national resource endowment
26 July 2017
Geoscience Australia has completed a series of unconventional (shale and tight gas and liquids) petroleum resource assessments. This presentation will set the context for the work, describe the methods and briefly present the results.
Towards Earthquake-resilient Buildings: Rupture Process & Exposure/Damage Analysis of the 2013 M7.1 Bohol Philippines
19 July 2017
This talk highlights the ground motion simulations for the 2013 Bohol Philippines earthquake and the development of building fragility and vulnerability models. In this post-event assessment, emphasis is placed in assembling a comprehensive exposure/damage database whenever damaging earthquakes occur, for more credible earthquake impact forecasts and loss estimation.
Large asteroid impact structures constitute essential structural elements of the Australian continental crust. This talk introduces a newly compiled GA compendium of 38 proven asteroid impact origin and 43 ring and dome features of unknown origin and possible to probable impact origin. Given the difficulty in identifying impact ejecta units in the field and of buried impact structures using geophysical data, as well as the paucity of research efforts in this field, it is estimated that no more than about 10 percent of impact fallout units and no more than one third of buried impact structures have been discovered to date.
Australia's role in scientific ocean drilling, and opportunities for Geoscience Australia geoscientists
05 July 2017
The International Ocean Discovery Program (IODP) is the world's largest and longest lived purely scientific geoscience program, involving both geoscientists and microbiologists. Australia and New Zealand are part of the international IODP consortium that has an annual operational budget of $US180 million, and provides deep coring vessels to operate in nearly all marine environments and water depths, addressing global scientific problem.
Continental scale electrical conductivity structure and geomagnetic induction hazard in Australia
28 June 2017
We present a three-dimensional electrical conductivity model for the Australian continent derived from magnetic array data. The model adds to our knowledge of the structure of the Australian crust and mantle and is applied to highlight spatial variability in the electric field induced by geomagnetic activity.
Applying integrated multidisciplinary approaches and innovative technologies in support of future offshore hydrocarbon exploration investment in Australia
21 June 2017
These talks showcase innovation in scientific applications to support future offshore hydrocarbon exploration investment in Australia. The first talk presented by Emmanuelle Grosjean will show how integrated multi-disciplinary studies can be used to predict the energy resource potential in Australia's sedimentary basins. The second talk presented by Alexey Goncharov will demonstrate the benefits of the Ocean Bottom Seismographs data for conventional petroleum exploration.
Geoscience Australia established an ICT Taskforce to recommend better prioritisation, planning, governance and workforce arrangements to support Geoscience Australia's current and future science activities. Geoscience Australia endorsed these recommendations on 1 May 2017.
Information is like wine, technology is like fish: the next steps in building Australia's spatial data infrastructure
07 June 2017
Making decisions in the future information economy will be more heavily dependent on trusted, fit-for-purpose location information than ever before. This seminar provides the latest update from Geoscience Australia on implementation of improvements to Australia's foundation spatial data content, improvements, discoverability and accessibility.
Geoscience Australia manages and acquires huge amounts geoscience information. Machine learning for predictive modelling and knowledge discovery has an important role in data integration and interpretation.
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