AndreaBozzo/ceres-open-data-index huggingface dataset:
AUSGeoid98 v.1.0 data files: Sandstone (sg50-16)

AUSGeoid98 data files contain a 2 minute grid of AUSGeoid98 data covering the Australian region, which you can use to interpolate geoid-ellipsoid separations for the positions required.You can use your own interpolation software, or you can use Geoscience Australia's Windows Interpolation software (Winter). The data files are text files in a standard format that cover the same area as standard topographic map areas. Files covering both 1:250,000 (approximately 100 x 150 km) and 1:1,000,000 (approximately 400 x 600 km) map areas are available. There is a 4 minute overlap on all sides of each area. Data format: AUSGeoid98 data files have a header record at the start of each file, to distinguish them from the superseded AUSGeoid93 data files. AUSGeoid98 data files show the geoid-ellipsoid separation to 3 decimal places, while the superseded AUSGeoid93 data files showed only 2 decimal places. AUSGeoid98 deflections of the vertical were computed from the geoid-ellipsoid separation surface, while the AUSGeoid93 deflections of the vertical were computed from OSU91A.

Tags: AU, AUSGeoid98, Geodesy, Geodetic Data, Published_External, dataset, geodesy
Organization: Geoscience Australia Data
Cavendish, Vic, 1989 (GSV0363) (P1521), magnetic line data, AWAGS levelled

Total magnetic intensity (TMI) data measures variations in the intensity of the Earth's magnetic field caused by the contrasting content of rock-forming minerals in the Earth crust. Magnetic anomalies can be either positive (field stronger than normal) or negative (field weaker) depending on the susceptibility of the rock. The data 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.
 These line dataset from the Cavendish, Vic, 1989 (GSV0363) survey were acquired in 1989 by the VIC Government, and consisted of 4532 line-kilometres of data at 250m line spacing and 70m terrain clearance. To constrain long wavelengths in the data, an independent data set, the Australia-wide Airborne Geophysical Survey (AWAGS) airborne magnetic data, was used to control the base levels of the survey data. This survey data is essentially levelled to AWAGS.

Tags: AWAGS, Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, Published_External, VIC, airborne digital data, geophysical survey, geophysics, line, magnetic, magnetics, magnetism and palaeomagnetism, survey 1521, vector
Organization: Geoscience Australia Data
Voltaire 1:50 000 topographic map

Product Specifications Coverage: Partial coverage, predominantly in northern Australia, along major transport routes, and other selected areas. About 1000 maps have been published to date. Currency: Ranges from 1968 to 2006. Coordinates: Geographical and UTM. Datum: AGD66, new edition WGS84; AHD. Projection: Universal Transverse Mercator UTM. Medium: Paper, flat copies only.

Tags: 50K scale, AU-WA, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Building two-way sharing of groundwater cultural values and knowledge through trust and partnerships between Geoscience Australia and Indigenous peoples

Aboriginal and Torres Strait Islander peoples hold a wealth of traditional knowledge about their land and waters gathered and passed down from observations over thousands of years. Geoscience Australia (GA) is the national geoscience public sector organisation that advises on the geology, hydrogeology, and geography of Australia by applying science and technology to describe and understand the Earth. Respectful and successful two-way engagement with Indigenous peoples provides an opportunity to identify and share traditional understanding, complementing geoscientific studies and preserving traditional knowledge

Through its Innovate Reconciliation Action Plan, GA is committed to building mutually beneficial relationships with Aboriginal and Torres Strait Islander peoples. Aligned with this vision, and as part of the Exploring for the Future Program, GA engaged a subject matter expert to undertake a scoping study. The aim of this study was to provide advice to strengthen the internal processes it uses to engage and undertake projects with Indigenous peoples. Drawing on two case studies (northeast NSW; eastern WA), a framework was developed to guide GA staff in the collection and recording of information and knowledge in a culturally appropriate manner. 

The project also delivered a road map to achieve better engagement and inclusion of Indigenous peoples in geoscience studies, to be tested and refined in future work programs. The road map is built on six key elements: (1) increasing Indigenous employment; (2) building partnerships; (3) respecting timeframes; (4) embedding Indigenous values and culture; (5) adhering to ethical practices and principles; and (6) embracing two-way knowledge sharing. Trust is crucial to building a partnership with Indigenous communities, binding the six elements of the road map. 

In the future GA hopes to share the outcomes with other organisations, from applying the framework and road map aimed at improving engagement with Indigenous peoples in groundwater activities and the geosciences more broadly.

Presented at the 2022 Australasian Groundwater Conference (AGC)

Tags: EFTF – Exploring for the Future, Groundwater hydrology, Published_External, groundwater, groundwater cultural values and knowledge, indigenous engagement, traditional knowledge
Organization: Geoscience Australia Data
AUSGeoid98 v.1.0 data files:  (si56-15)

AUSGeoid98 data files contain a 2 minute grid of AUSGeoid98 data covering the Australian region, which you can use to interpolate geoid-ellipsoid separations for the positions required.You can use your own interpolation software, or you can use Geoscience Australia's Windows Interpolation software (Winter). The data files are text files in a standard format that cover the same area as standard topographic map areas. Files covering both 1:250,000 (approximately 100 x 150 km) and 1:1,000,000 (approximately 400 x 600 km) map areas are available. There is a 4 minute overlap on all sides of each area. Data format: AUSGeoid98 data files have a header record at the start of each file, to distinguish them from the superseded AUSGeoid93 data files. AUSGeoid98 data files show the geoid-ellipsoid separation to 3 decimal places, while the superseded AUSGeoid93 data files showed only 2 decimal places. AUSGeoid98 deflections of the vertical were computed from the geoid-ellipsoid separation surface, while the AUSGeoid93 deflections of the vertical were computed from OSU91A.

Tags: AU, AUSGeoid98, Geodesy, Geodetic Data, Published_External, dataset, geodesy
Organization: Geoscience Australia Data
A Report on the Analysis of the Asia Pacific Regional Geodetic Project (APRGP) GPS Campaign 2011

The annual Asia Pacific Regional Geodetic Project (APRGP) GPS campaign is an important activity of the Geodetic Technologies and Applications Working Group (WG) of the Permanent Committee on GIS Infrastructure for Asia and the Pacific Region (PCGIAP). This document overviews the data analysis of the APRGP GPS campaign undertaken in 2011. The GPS data was processed using version 5.0 of the Bernese GPS Software in a regional network together with selected IGS (International GNSS Service) sites. The GPS solution was constrained to the ITRF2008 reference frame through adopting IGS08 coordinates on selected IGS reference sites and using the final IGS earth orientation parameters and satellite ephemerides products.

Tags: Earth Sciences, GA Publication, Published_External, Record, geodesy
Organization: Geoscience Australia Data
Adavale 1:100 000 unpublished topographic map

At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres.

Tags: 100K unpublished, AU-QLD, Published_External, Topographic Map, Topology
Organization: Geoscience Australia Data
Dowerin 1:100 000 topographic map

At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres. Many maps are supplemented by hill shading. These maps contain natural and constructed features including road and rail infrastructure, vegetation, hydrography, contours, localities and some administrative boundaries. Product Specifications Coverage: Australia is covered by more than 3000 x 1:100 000 scale maps, of which 1600 have been published as printed maps. Unpublished maps are available as compilations. Currency: Ranges from 1961 to 2009. Average 1997. Coordinates: Geographical and either AMG or MGA coordinates. Datum: AGD66, GDA94; AHD Projection: Universal Transverse Mercator UTM. Medium: Printed maps: Paper, flat and folded copies. Compilations: Paper or film, flat copies only.

Tags: 100K scale, AU-WA, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Basal Triassic tectonostratigraphy of the central North West Shelf

The Roebuck Basin has been the focus of a great deal of recent interest with some excellent exploration results, yet much of the basin remains poorly understood. To better understand the petroleum prospectivity of this region, Geoscience Australia is undertaking a regional study of the Triassic succession across the Roebuck Basin and parts of the adjacent Northern Carnarvon, Browse, and offshore Canning basins. Presented here are the initial results of extensive mapping of the basal Triassic unconformity (TR10.0 sequence boundary), showing improvement in the resolution of previously identified features and the identification of new basin features
This is a Petroleum Exploration Society of Australia (PESA) News article promoting new work by the NWMES team. Updated interpretation of the Tr10.0 sequence boundary in the Roebuck Basin and surrounds as part of the Triassic and Older Source Rocks Study.

Tags: Earth Science, Petroleum, Published_External
Organization: Geoscience Australia Data
L0097 Merimbula

The coverage of this dataset is over the Merimbula region . The MKP ( Model Key Points ) data set contains thinned point cloud data in LAS 1.2 format derived from a LiDAR ( Light Detection and Ranging ) C3 point cloud from an ALS50 ( Airborne Laser Scanner ) system . The MKP are produced using a maximum of 10m point spacing and point density is increased when geographic features are greater than 0.15m. The model is not fully developed with regard to hydrological data . Purpose: To provide an authoritative ALS terrain dataset to support the development industry standards in a variety of governmental , research and industrial uses . Additional lineage information: Standard ALS products are processed to ICSM standards level C3 . This data has an accuracy of 0.3m 95 confidence horizontal . For more information on the data's accuracy , please refer to the lineage provided in the data history .

Tags: Airborne Digital Data, Earth Sciences, NSW, Published_External
Organization: Geoscience Australia Data
Moondrah 1:50 000 topographic map

Product Specifications Coverage: Partial coverage, predominantly in northern Australia, along major transport routes, and other selected areas. About 1000 maps have been published to date. Currency: Ranges from 1968 to 2006. Coordinates: Geographical and UTM. Datum: AGD66, new edition WGS84; AHD. Projection: Universal Transverse Mercator UTM. Medium: Paper, flat copies only.

Tags: AU-SA, Orthophoto Map, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Blinman Dome - SADM Road Gravity (P195951), gravity point data

Gravity data measures 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 Blinman Dome - SADM Road Gravity (P195951) contains a total of 54 point data values acquired at a spacing between 250 and 1500 metres. The data is located in SA and were acquired in 1959, under project No. 195951 for None.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, Published_External, SA, geophysical survey, geophysics, gravity, ground digital data, point, point located data, survey 195951
Organization: Geoscience Australia Data
L016 Seismic velocity survey in Rough Range No.1 well, WA, 1955.

At the request of West Australian Petroleum Pty. Ltd. and the Department of Mines, Western Australia, the Bureau carried out a seismic velocity survey in Rough Range No.1 Well, with the object of obtaining velocity distribution data for use in the interpretation of results of seismic refraction surveys in the area.
Twenty-two shots were fired from a shot point about 1,000 feet from the well. Geophone depths in the welI ranged from 2,000 feet to 14,000 feet, usually at intervals of 500 feet, but the intervals were varied at points where there was a significant change in the stratigraphy. Recordings from 16 of the shots were used in the calculations. 
Results indicated that, as would be expected, the hard crystalline limestone which comprises the top 700 feet of section has a much higher velocity than the clastic limestones which underlie it. An abrupt velocity change from 7,100 ft/sec. to 12,600 ft/sec. at 3,250 feet corresponds approximately with the change from Windalia Radiolarite to Muderong shale, and also with a density change from 2.1 to 2.4. A second major velocity change from 12,600 ft/sec. to 16,500 ft/sec. at 6,800 feet also corresponds approximately with a density change from 2.5 to 2.7. An abnormal increase in velocity recorded at about 9,000 feet must be considered as very doubtful and velocities at this depth have been averaged.

Tags: AU-WA, HVC_144637, Published_External, Seismic Data seismic survey, Seismology and Seismic Exploration, geophysics, petroleum exploration, seismic reflection, seismic refraction, seismic velocity
Organization: Geoscience Australia Data
Adelaide Region Gravity (P196964), gravity point data

Gravity data measures 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 Adelaide Region Gravity (P196964) contains a total of 33 point data values acquired at a spacing between 10000 and 22000 metres. The data is located in SA and were acquired in 1969, under project No. 196964 for Department of Mines and Energy South Australia (SADME).

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, Published_External, SA, geophysical survey, geophysics, gravity, ground digital data, point, point located data, survey 196964
Organization: Geoscience Australia Data
GSWA P1177 Katanning ppmu grid geodetic

The radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive decay of potassium (K), uranium (U) and thorium (Th). 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 radiometric uranium grid has a cell size of 0.00083 degrees (approximately 85m) and shows uranium element concentration of the Dumbleyung (SWCC), WA, 2008 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2008 by the WA Government, and consisted of 75805 line-kilometres of data at a line spacing between 100m and 400m, and 60m terrain clearance.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NASVD, NCI, Published_External, U, WA, airborne digital data, gamma-ray, geophysical survey, geophysics, grid, rad, radiometrics, raster, spectrometry, survey 1177, uranium
Organization: Geoscience Australia Data
The Lord Howe Rise: newly-acquired multi-channel and wide-angle seismic data to study an enigmatic continental ribbon

The Lord Howe Rise (LHR) is located to the east of Australia in water depths up to 3,000 m. The LHR is a 600 km wide and 1,600 km long continental ribbon that detached from eastern Gondwana by the Late Cretaceous. The driving forces that led to the breakup between the LHR and eastern Gondwana are not fully understood, but span two end-member processes: (1) slab rollback associated with back-arc extension; (2) a plume impinging the lithosphere.
To better understand the driving mechanism, a large set of marine geophysical data were acquired onboard the JAMSTEC vessel R/V Kairei in March–May 2016, in collaboration with Geoscience Australia. These data include:
* A 680 km long east-west oriented profile at ~27.2°S along which wide-angle seismic refraction data (~100 ocean-bottom seismometers (OBS)) were acquired conjointly with multi-channel seismic (MCS) reflection data;
* ~600 km of high-resolution 2D seismic reflection data at seven sites being
considered for IODP drilling;
*Multibeam bathymetry, gravity and magnetic data.
We present preliminary results obtained from a combined interpretation of OBS modeling and MCS along the east-west profile. The MCS profile produced a good image of the rift-fill sedimentary deposits and the acoustic basement from the Tasman Sea across the Dampier Ridge, the Middleton, Capel and Faust basins and the Lord Howe Platform to the east. With the OBS data, clear reflected arrivals from the basement and the mantle (Pn) are recorded at a very large offset (up to 250 km), with a strong Moho reflected arrival (PmP). Preliminary interpretation of these datasets suggests that the nature of the basement varies from oceanic crust to (thin?) continental crust, in agreement with previous geophysical studies of the area.
Further processing and modeling of the data will constrain the geometry of the main sedimentary basins and the nature of basement. This ongoing work is in support of an IODP proposal to drill through a rift basin and into the basement of the LHR. The processes of LHR crustal ribbon development will be investigated using rock cores recovered from up to 3,500 m below the seafloor.
Presented at the 2016 Seismological Society of Japan (SSOJ) Fall Meeting

Tags: EARTH SCIENCES, International Ocean Discovery Program, Lord Howe Rise, geophysics
Organization: Geoscience Australia Data
Byrock 1:100,000 regolith-landform and radiometric image map CRC LEME

The Byrock 1:100,000 regolith-landform map illustrates the distribution of regolith materials and the landforms on which they occur, described using the RTMAP scheme developed by Geoscience Australia, together with the 3-band gamma-ray spectrometric image of the map sheet

Tags: 100K scale, AU-NSW, Geological Map, Geology, Published_External, landforms, regolith
Organization: Geoscience Australia Data
GSWA Cape Leeuwin Elevation Grid Geodetic

Digital Elevation data record the terrain height variations from the processed point- or line-located data recorded during a geophysical survey. This GSWA Cape Leeuwin Elevation Grid Geodetic is elevation data for the South West (Cape Leeuwin - Collie), WA, 2011. This survey was acquired under the project No. 1244 for the geological survey of WA. The grid has a cell size of 0.00083 degrees (approximately 85m).  This grid contains the ground elevation relative to the geoid for the South West (Cape Leeuwin - Collie), WA, 2011. It represents the vertical distance from a location on the Earth's surface to the geoid. The data are given in units of meters. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose.

Tags: Australia, DEM, EARTH SCIENCES, Earth sciences, Elevation, GADDS2.0, NCI, Published_External, WA, digital data, geoid, geophysical survey, geophysics, grid, raster, survey 1244, terrain
Organization: Geoscience Australia Data
HiQGA Open source deterministic and probabilistic AEM inversion

 The High Quality Geophysical Analysis (HiQGA) package is a framework for geophysical forward modelling, Bayesian inference, and deterministic imaging. A primary focus of the code is production inversion of airborne electromagnetic (AEM) data from a variety of acquisition systems. Adding custom AEM systems is simple using a modern computational idea known as multiple dispatch. For probabilistic spatial inference from geophysical data, only a misfit function needs to be supplied to the inference engine. For deterministic inversion, a linearisation of the forward operator (i.e., Jacobian) is also required. For fixed wing geometry nuisances, probabilistic inversion is carried out using Hierarchical Bayesian inference, and deterministic inversion for these nuisances is done using BFGS optimisation. The code is natively parallel, and inversions from a full day of production AEM acquisition can be inverted on thousands of CPUs within a few hours. This allows for quick assessment of the quality of the acquisition, and provides geological interpreters preliminary subsurface images together with associated uncertainties. These images are then used to create subsurface models for a range of applications from natural resource exploration to its management and conservation.
  
This abstract was submitted to/presented at the 8th International Airborne Electromagnetics Workshop (AEM 2023) (https://www.aseg.org.au/news/aem-2023).

Tags: EFTF – Exploring for the Future, Electrical and Electromagnetic Methods in Geophysics, Published_External, airborne electromagnetics, optimisation, probability
Organization: Geoscience Australia Data