AndreaBozzo/ceres-open-data-index huggingface dataset:
A Framework for Modelling Shoreline Response to Clustered Storm Events: Case Studies from Southeast Australia

Coastal communities in Australia are particularly exposed to coincident natural hazards, whereby tropical cyclones and extra-tropical storms cause damage to infrastructure and shorelines from severe wind, flood and storm surge. Because the climatic drivers of severe storms are stronger under certain conditions (e.g. during La Ni±a periods for tropical cyclones), these events can repeatedly impact the coast over periods of weeks to months. Historically, major episodes of beach erosion along southeast Australia have occurred during every decade over the last century, with the most severe in 1974 resulting from two extra-tropical storms in two months. 

While the process of beach erosion is well understood in general terms, the response of a specific sector of coast to clustered storms may not be. For effective coastal management, this site specific knowledge becomes essential. Here we present a framework for integrating coastal geomorphology and coastal engineering approaches to model shoreline response to clustered storms at a spatial scale that can directly inform management agencies. We focus on two case study areas in southeast Australia, the beaches of the Adelaide metropolitan coast (South Australia) and Old Bar beach (central New South Wales) where erosion is a management priority. 

For each site we adopt the coastal sediment compartment as the functional management unit, mapped for the Australian continent at multiple spatial scales, and use sub-surface information (boreholes, ground penetrating radar profiles) to estimate sediment volumes in the upper beach to foredune. These data are then used to inform shoreline response modelling linked to an event time series (observed and hind cast) as a separate project component. Future work includes assessment of `at-risk infrastructure at each site. This paper is a contribution to the Bushfire and Natural Hazard Cooperative Research Centre project Storm surge: Resilience to clustered disaster events on the coast.

Tags: External Publication, Physical Geography and Environmental Geoscience, Published_External, marine
Organization: Geoscience Australia Data
Gippsland Basin Infill 2D Marine Seismic Survey - GA352: Acquisition and Processing Reports.

The Australian Government, through the Department of Industry, Innovation and Science, routinely funds Geoscience Australia to acquire pre-competitive data to support prospectivity assessments of various offshore basins. As part of the Australian Government's National CO2 Infrastructure Plan (Carbon Storage Taskforce 2009), a marine seismic reflection survey, Gippsland Basin Infill 2D Marine Seismic Survey - GA0352, was undertaken in the offshore southern margin of the Gippsland Basin to investigate potential sites suitable for CO2 geological storage (Langford, 2016).

Tags: Carbon Capture and Strorage, Gippsland Basin, National CO2 Infrastructure Plan, Offshore, Petroleum, Processing, Published_External, Seismic
Organization: Geoscience Australia Data
BMR Research Newsletter 4

Titles in this newsletter:
Transpressional strike-slip faulting in the Mount Isa Inlier
Sedimentary phosphate discovered on the South Tasman Rise
Honour: Dan Bubela
Deep-tow side-scan sonar: a new tool for seafloor studies
Australian Iron Ore Industry Mission to Brazil, July 1985
Polymetallic nodules: a commercial product or a collectors' item?
Erratum: BMR Report 268, Australian Geoscience 1984
Location of the southmagnetic pole737 
The Nth-root stack: a process for enhancing the interpretation of geophysical data
The oldest age determined for Pilbara greenstones
The Ocean Drilling Program: proposed Australasian sites
Mineral potential of the southwest Pacific
Northeast Australia research cruises
Proof of explosive origin for the Lawn Hill circular structure
BMR seismic line in SE Queensland probes shallow and deep sedimentary basins
Lord Howe Rise cruise: data release
Towards the completion of reconnaissance aeromagnetic coverage of Australia
Honour: Peter Davies
Forthcoming publication: Uranium - world perspective
Farewell: Cliff Oilier
Research on radioisotope-rich granites
International Volcanological Congress, New Zealand: Explosive volcanism, geochemistry, hazards, and metallogenesis
US/Australia Joint Scanner Project: Technological advances in remote sensing applied in Australia
Otway Basin: Processing of recent regional marine seismic data nears completion
Archaean volcanics in the Pilbara Block: Petrogenetic, tectonic, and economic implications of a trace-element study

Tags: Earth Sciences, GA Publication, Published_External, Research Newsletter
Organization: Geoscience Australia Data
Autonomous Underwater Vehicle (AUV) for mapping marine biodiversity in coastal and shelf waters: Implications for Marine Management

Autonomous Underwater Vehicles (AUVs) have only recently become available as a tool to investigate the biological and physical composition of the seabed utilizing a suite of image capture and high-resolution geophysical tools. In this study we trialled the application of an AUV, integrating AUV image capture with ship-based high resolution multibeam bathymetry, to map benthic habitats and biodiversity in coastal and offshore waters of SE Tasmania. The AUV successfully surveyed a plethora of marine habitats and organisms, including high-relief kelp-dominated rocky reefs to deep mid-shelf reef and sediments that are otherwise difficult to access. To determine the spatial extent of these habitats within a broader-scale context, the AUV surveys were integrated with larger scale multibeam mapping surveys. The data collected using the AUV significantly improved our understanding of the distribution of benthic habitats and marine organisms in this region, with direct application to the management and conservation of these environments. For example, preliminary results identified the distributional extent of an introduced invasive marine pest, the screw-shell Maoricolpeus roseus, which was recorded adjacent to rocky reefs but is now known to also extend in high abundance across the SE shelf. Integrating the AUV data with the largescale mapping data provided the opportunity to quantify the relationships between the biological and physical variables, and to use thise data to develop predictive models of biodiversity across the region. The effectiveness of the AUV as a pioneering tool for undertaking spatially repeatable surveys makes it a highly versatile technique for future use in surveying remote environments, particularly with respect to surveying and monitoring biodiversity in newly established Commonwealth MPA's. It also has application in the context of climate change, the study of invasive species, impacts of fishing activities and determining the relative uniqueness and/or representativeness of these marine environments.

Presented at the OCEANS'10 IEEE Sydney Conference and Exhibition 24-27 May 2010

Tags: CERF, Earth Sciences, External Publication, Published_Internal, marine
Organization: Geoscience Australia Data
EOMAP_20220329.0835 Cocos (Keeling) Marine Park Satellite-Derived Bathymetry Acquisition (20220020S)

Parks Australia - Indian Oceans Territory (IOT) Grants Project: Satellite-Derived Bathymetry and Seafloor Habitat Classification Mapping of Cocos (Keeling) Island Marine Park

 

This project mapped Satellite-derived Bathymetry (SDB) and seafloor habitats at 2m horizontal spatial resolution, for the shallow waters (~0-25 m) of the Cocos (Keeling) Islands Marine Park. SDB data was processed using EOMAP's proprietary software and algorithm package Watcor-X, which generates SDB using multi-spectral satellite data. The SDB is based on the physics-based inversion method of the radiative transfer equation which models the pathway of light and its interaction through different media (e.g. atmosphere and water column). The thematic classification of the seabed was based on multispectral satellite image analytics. Satellite imagery was pre-processed by applying a set of image correction procedures to reduce environmental noise, resulting in a standardised reflectance surface of the subsurface and seafloor. The information on seafloor reflectance at different wavelengths was used to run an object-based classification procedure which groups objects of similar spectral characteristics, shape and texture into different classes of major seafloor habitat type.

 

These critical geospatial data layers provide the essential environmental baseline information for the long-term monitoring and management of the IOT Marine Parks. Having access to digital, georeferenced, high-resolution, satellite-derived maps of bathymetry and benthic habitats of shallow water areas, is of fundamental use in the areas of navigation and safety-at-sea, ecological research, environmental modelling, management and conservation, and monitoring the impacts from climate change. This dataset is not to be used for navigational purposes.

Tags: AusSeabed, Australia-wide geoscience data, EARTH SCIENCES, HVC_144641, Oceans, Offshore Mapping, Parks Australia - Indian Oceans Territory (IOT) Grants Project, Published_External, Resourcing Australia’s Prosperity, bathymetry, marine, satellite-derived bathymetry (SDB)
Organization: Geoscience Australia Data
Australia's Maritime Zones/Boundaries Map

This edition has been superseded by the Australia's Maritime Zones Edition 4 map published in October 2013.  Geocat 69822.
It no longer correctly reflects Australia's maritime zones and is kept for historical record only.

This map has been derived from Geoscience Australia's Australian Maritime Boundaries (AMB) version 2.0 data which is a digital representation of Australia's territorial sea baseline and the maritime limits and boundaries as established under the Sea and Submerged Lands Act 1973. 

The map describes the different maritime zones, explains how Australia defines and updates its maritime boundaries, and lists the different maritime boundary arrangements with Indonesia, Papua New Guinea, Solomon Islands, France (New Calendonia and Kerguelen) and New Zealand.

The limits of the extended continental shelf beyond the exclusive economic zone, as shown on this map, are as submitted for consideration of the United Nations Commision on the Limits of the Continental Shelf (CLCS). In accordance with Australia's request the CLCS has indicated that it will not consider the extended continental shelf appurtenant to the Australian Antarctic Territory for the time being.

This map shows the extent of Australia's maritime boundaries, stretching from Heard and McDonald Islands in the west to Norfolk Island in the east, and from the Torres Strait and Arafura Sea in the north to the Australian Antarctic Territory in the south.

Product Specifications:

Coverage: Australia
Currency: 2006 (printed map)
Coordinates: Geographical
Projection: Bonne with 134E longitude and 30S at projection centre
Medium: Paper, flat and folded copies (printed map) available through Geoscience Australia's Sales Centre

Tags: AU-EEZ, Administrative Boundary, Earth Sciences, Published_External, Thematic Map, marine, marine jurisdiction
Organization: Geoscience Australia Data
Seafloor Mapping of the South-east Marine Region and Adjacent Waters. AUSTREA Final Report: Lord Howe Island, South-east Australian Margin (includes Tasmania and South Tasman Rise) and Central Great Australian Bight

In early 2000 the Australian Geological Survey Organisation (AGSO) completed two major seabed swath-mapping and geophysical surveys of the Australian South-east Marine Region.
These surveys, AUSTREA-1 and AUSTREA-2, were commissioned by the National Oceans Office and Environment Australia and were designed to provide important new scientific information on the seabed in this region to assist implementation of Australia's Ocean Policy, and in particular, development of the South-east Regional Marine Plan and establishment of marine protected areas (MPAs) within and adjacent to the South-east Marine Region.

Tags: AU-TAS, Earth Sciences, GA Publication, Published_External, Record, bathymetry, marine, marine jurisdiction, marine survey
Organization: Geoscience Australia Data
RETIRED - National Petroleum Wells Database

<b>RETIRED - This record has been superseded by eCat 126310 as advised by M. Webster 16 June 2023.
The National Petroleum Wells Database has now been combined with the Geoscience Australia Borehole Database (BOREHOLE).

The Petroleum Wells Online Tool is no longer available for use. The same data can be accessed through the Geoscience Australia Portal. Simply select the Layers button to find the Borehole data available to view and query. If you are having trouble, please follow the <a href="https://portal.ga.gov.au/help guides">help</a>. 
For general inquiries, please email client services.</b>

This application provides access to GA's Oracle petroleum wells databases. Data themes include header data, biostratigraphy, organic geochemistry, reservoir and facies, stratigraphy, velocity and directional surveys.  Data is included for offshore and onshore regions. Scientific data entry is generally only conducted for offshore wells. Onshore data is generally acquired from state geological surveys.

Tags: AU, National dataset, Petroleum Data, Petroleum and Coal Geology, Published_External, Wells, marine, petroleum exploration, petroleum reserves
Organization: Geoscience Australia Data
Distribution of Triassic Reefs in the Northern Exmouth Plateau and Offshore Canning Basin : (Project 121.23) BMR Offshore Sedimentary Basins Program

Petroleum exploration on the Exmouth Plateau has ceased, althoughthe giant Scarborough Gas Field has been retained by Esso-BHP.Research cruises by BMR's vessel "Rig Seismic" and the associated
assessment of other data, indicate that the plateau still has petroleumpotential, but the combination of deep water and low oil pricesmilitates against further exploration at present.
However, the Ocean Drilling Program (ODP) core drilling on theWombat Plateau, in the far north of the Exmouth Plateau area, showedthat Rhaetian (Latest Triassic) reefs are present there, one beingdrilled at Site 764 (Fig. 1). This discovery was the first of aTriassic reef in Australia, and indicates that suitable conditions forreefal development are likely to be widespread on the Northwest Shelf.The existence of Late Triassic reef complexes suggests a new petroleumexploration play, with the reefs forming traps, and lagoonal faciesperhaps providing oil source potential. BMR has recently suggestedthat there is a 50% chance of Triassic reefs hosting 60 million barrelsof undiscovered oil on the Northwest Shelf.
BMR's Marine Division intends to assess the potential of suchreefs and other known Triassic and Jurassic shelf carbonates in twophases. The first is to map the known reef complexes on the WombatPlateau, and to see how far they can be extended along the northernmargin of the Exmouth Plateau and into the Canning Basin. The secondis to take our knowledge of their seismic character, and the bestseismic parameters for mapping them, into the outer Bonaparte Basinwhere Triassic carbonate sequences up to 1000 m thick have beendrilled, but no reefs have yet been identified.
The present project makes up the first phase of work, on thenorthern Exmouth Plateau. It is proposed that a 34 day cruise of "RigSeismic" be carried out in early 1990. This cruise should result inthe acquisition of 2500 km of multichannel seismic profiles on thenorthern Exmouth Plateau, about 15 dredges aimed at Triassic andJurassic carbonates, and up to 5 cores. The cruise and its post-cruisefollow-up work aim to
(i)Map the extent of and facies changes within the
Triassic/Jurassic carbonates in and south of Wombat Plateau, andin the Rowley Sub-basin of the southwestern Canning Basin, usingseismic profiling and dredging techniques.
(ii)Define the extent, character and petroleum potential of any
Triassic or Jurassic reefs found.
(iii)Use the cruise results, along with other data, to help assessthe petroleum prospects of Mesozoic reef plays elsewhere on theNorthwest Shelf.
(iv)Better define the geological history of the northern Exmouth
Plateau and the adjacent southwest Canning Basin.

Tags: AU-WA, Earth Sciences, GA Publication, Published_External, Record, geology, marine, petroleum exploration, sedimentary basins, stratigraphy
Organization: Geoscience Australia Data
The Magnitude and Frequency of Combined Flow Bed Shear Stress as a Measure of Exposure on the Australian Continental Shelf

Benthic habitats on the continental shelf are strongly influenced by exposure to the effects of surface ocean waves, and tidal, wind and density driven ocean currents. These processes combine to induce a combined flow bed shear stress upon the seabed which can mobilise sediments or directly influence organisms disturbing the benthic environment. Output from a suite of numerical models predicting these oceanic processes have been utilised to compute the combined flow bed shear stresses over the entire Australian continental shelf for an 8-year period (March 1997- February 2005 inclusive). To quantify the relative influence of extreme or catastrophic combined flow bed shear stress events and more frequent events of smaller magnitude, three methods of classifying the oceanographic levels of exposure are presented: 
<ol>
<li>A spectral regionalisation method, </li>
<li>A method based on the shape of the probability distribution function, and </li>
<li>A method which assesses the balance between the amount of work a stress does on the seabed, and the frequency with which it occurs. </li>
</ol>

Significant relationships occur between the three regionalisation maps indicating seabed exposure to oceanographic processes and physical sediment properties (mean grain size and bulk carbonate content), and water depth, particularly when distinction is made between regions dominated by high-frequency (diurnal or semi-diurnal) events and low-frequency (synoptic or annual) events. It is concluded that both magnitude and frequency of combined-flow bed shear stresses must be considered when characterising the benthic environment. The regionalisation outputs of the Australian continental shelf presented in this study are expected to be of benefit to quantifying exposure of seabed habitats on the continental shelf to oceanographic processes in future habitat classification schemes for marine planning and policy procedures.

Tags: AU, Earth Sciences, External Publication, Published_External, Scientific Journal Paper, continental margins, model
Organization: Geoscience Australia Data
National Gravity Compilation 2019 includes airborne  - CSCBA 0.5VD image

Gravity data measure small changes in gravity due to changes in the density of rocks beneath the Earth's surface. The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. 
This National Gravity Compilation 2019 includes airborne  - CSCBA 0.5VD image is derived from the 2019 Australian National Gravity Grids B series. These gravity data were acquired under the project No. 202008. The grid has a cell size of 0.00417 degrees (approximately 435m). This gravity anomaly grid is derived from ground observations stored in the Australian National Gravity Database (ANGD) as at September 2019, supplemented by offshore data sourced from v28.1 of the Global Gravity grid developed using data from the Scripps Institution of Oceanography, the National Oceanic and Atmospheric Administration (NOAA), and National Geospatial-Intelligence Agency (NGA) at Scripps Institution of Oceanography, University of California San Diego. Airborne gravity and gravity gradiometry data were also included to provide better resolution to areas where ground gravity data was not of a suitable quality. Out of the approximately 1.8 million gravity observations, nearly 1.4 million gravity stations in the ANGD together with Airborne Gravity surveys totaling 345,000 line km and 106,000 line km of Airborne Gravity Gradiometry were used to generate this grid. The ground and airborne gravity data used in this grid has been acquired by the Commonwealth, State and Territory Governments, the mining and exploration industry, universities and research organisations from the 1940's to the present day. Station spacing varies from approximately 11 km down to less than 1 km, with major parts of the continent having station spacing between 2.5 and 7 km. Airborne surveys have a line spacing ranging from 0.5 km to 2.5 km. Terrain corrections to gravity were calculated using both offshore bathymetry and onshore topography data. The image shows a half vertical derivative of the complete Bouguer anomalies (B series) over Australia and its continental margins. A half vertical derivative was calculated by applying a fast Fourier transform (FFT) process to the complete spherical cap Bouguer anomaly grid of the 2019 Australian National Gravity Grids B series.

Tags: 05vd, Airborne, Australia, B series, Bouguer, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, None, Published_External, complete, geophysical survey, geophysics, gradiometry, grav, gravity, grid, ground digital data, image, marine, raster, satellite, spherical cap, survey 202008
Organization: Geoscience Australia Data
AGSO Journal vol.16 no. 5

Contents:
1.Sheraton JW, Sun SS. Mafic dyke swarms of the western Musgrave Block, central Australia: their geochemistry, origin, and relationships to the Giles Complex.
2.Kinny PD, Black LP, Sheraton JW. Zircon U-Pb ages and geochemistry of igneous and metamorphic rocks in the northern Prince Charles Mountains, Antarctica.
3.Weaver L, McLoughlin S, Drinnan AN. Fossil woods from the Upper Permian Bainmedart Coal Measures, northern Prince Charles Mountains, East Antarctica.
4.Chaproniere GC, Shafik S, Coleman PJ. Biostratigraphy of Rig Seismic samples from Vening Meinesz Seamounts, Christmas Island area, northeastern Indian Ocean. 
5.Laurie JR. Early Ordovician fauna of the Gap Creek Formation, Canning Basin, Western Australia. 
6.Felton EA. A non-marine Lower Cretaceous rift-related epiclastic volcanic unit in southern Australia: the Eumeralla Formation in the Otway Basin. Part I. Lithostratigraphy and depositional environments.
7.Felton EA. A non-marine Lower Cretaceous rift-related epiclastic volcanic unit in southern Australia: the Eumeralla Formation in the Otway Basin. Part II. Fluvial systems.

Tags: Earth Sciences, GA Publication, Journal, Published_External
Organization: Geoscience Australia Data