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Australian Gravity Anomaly Grids for Subsurface Modeling

This collection contains high-resolution gravity anomaly grids, including Bouguer, free-air, isostatic residual, and various vertical derivative products, covering Australia and its continental margins. It provides the foundational data for modeling subsurface density variations and mapping geological structures. The datasets are derived from a dense network of ground, airborne, and marine observations, offering consistent national coverage suitable for regional analysis and detailed local studies in mineral and petroleum exploration.

703datasets

Datasets in this collection

Showing 1–20 of 703

Earth & Climate Science

National Gravity Compilation 2019: Half-Derivative Bouguer Anomaly Grid for Australia

Nearly 1.8 million gravity observations, including ground stations and airborne surveys totaling 451,000 line km, underpin this 2019 national grid. The Australian Ocean Data Network released this processed dataset, which shows the half vertical derivative of complete Bouguer anomalies over Australia and its continental margins. Data acquisition spans from the 1940s to the present day, sourced from government, industry, and research organizations.

Geospatial🇦🇺 AustraliaGeospatial GridGravity AnomalyGeophysicsLarge ScaleEarth Science+1

Earth & Climate Science

Australian Gravity Anomaly Grid With 435-Meter Resolution

A 2019 compilation integrates approximately 1.8 million gravity observations from the 1940s onward. The grid is derived from ground stations, airborne surveys, and offshore data, processed by Geoscience Australia and partners. It provides a half vertical derivative of Bouguer anomalies at a 0.00417-degree cell resolution.

Geospatial🇦🇺 AustraliaGeological mappingComputer VisionLarge ScaleGeophysical Survey+1

Earth & Climate Science

Australian Gravity Anomaly Grid with 435m Resolution

A gravity anomaly grid derived from approximately 1.8 million ground and marine gravity observations across Australia and its continental margins. The data, processed by Geoscience Australia, includes observations from the 1940s to 2019, with station spacing ranging from 11 km to less than 1 km. The final image grid has a cell size of 0.00417 degrees (approximately 435m) and shows complete Bouguer anomalies.

GeospatialGravity AnomalyGeophysicsComputer VisionLarge ScaleEarth ScienceGeological Structure+1

Earth & Climate Science

National Gravity Compilation 2019: Bouguer Anomaly Grid for Australia

Approximately 1.8 million gravity observations, including nearly 1.4 million ground stations and over 450,000 line km of airborne surveys, were used to create this gravity anomaly grid. The dataset provides a processed raster image of Bouguer gravity anomalies across Australia and offshore regions, with a cell size of approximately 435 meters. It is derived from the Australian National Gravity Database and global sources, intended for revealing subsurface geological structure.

ImageGeospatial🇦🇺 AustraliaB SeriesEarth sciencesGravGeospatial GridRasterGadds20GravitySurvey 202008Gravity AnomalyGeophysicsBouguerComputer VisionCompleteLarge ScaleDigital DataSpherical CapPublished ExternalNationalGeophysical SurveyNCI+1

Earth & Climate Science

Australian National Gravity Anomaly Grid with Airborne Data, 2019

A free air gravity anomaly grid for Australia and its continental margins, compiled in 2019. The grid incorporates nearly 1.4 million ground stations from the Australian National Gravity Database, 345,000 line km of airborne gravity data, and 106,000 line km of airborne gravity gradiometry. Data collection spans from the 1940s to the present day, sourced from government, industry, and research organizations.

GeospatialGeospatial GridGeophysicsLarge ScaleEarth Science+1

Earth & Climate Science

National Gravity Compilation 2019: Free Air Anomaly Grid for Australia

Australia's 2019 National Gravity Compilation provides a free air anomaly grid covering the continent and its continental margins. The grid integrates nearly 1.4 million ground stations from the Australian National Gravity Database, supplemented with offshore data from a global grid, and has a cell size of approximately 435 meters. This processed data reveals subsurface density variations for geological interpretation.

Geospatial🇦🇺 AustraliaRasterGeologyGravity AnomalyGeophysicsLarge ScaleSubsurface MappingSub Surface Mapping+1

Earth & Climate Science

Australian Gravity Anomaly Grid With 435-Meter Resolution

Over 1.8 million gravity observations from the 1940s to 2019 underpin this national compilation grid. The grid provides de-trended global isostatic residual anomalies over Australia and its continental margins at a 0.00417-degree cell resolution. The Australian Ocean Data Network released this processed data, derived from the Australian National Gravity Database and supplemented by global marine data.

Geospatial🇦🇺 AustraliaGravity AnomalyGeophysicsLarge ScaleGeological Structure+1

Earth & Climate Science

Australian National Gravity Grids: Free Air and Bouguer Anomalies, 400 m Resolution

A 2019 series of gravity grids for Australia, combining over 1.4 million ground observations from the 1940s onward with satellite and airborne data. The grids, produced by Geoscience Australia and GNS Science, feature a 400-metre cell size and include Free Air Anomaly, Complete Bouguer Anomaly, and De-trended Global Isostatic Residual values. Offshore data from a global gravity model provides context to the onshore measurements.

Geospatial🇦🇺 AustraliaZIPGeospatial GridGravity AnomalyGeophysicsLarge ScaleGeoscience+1

Earth & Climate Science

Australian Gravity Anomaly Grid With 435-Meter Resolution

A 2019 compilation integrates approximately 1.8 million gravity observations from the 1940s onward. The grid is derived from ground stations, airborne surveys, and offshore data, processed by Geoscience Australia and partners. It provides a half vertical derivative of Bouguer anomalies at a 0.00417-degree cell resolution.

Geospatial🇦🇺 AustraliaGeological mappingComputer VisionLarge ScaleGeophysical Survey+1

Earth & Climate Science

Australian Gravity Anomaly Grid with Airborne Data, 2019

Approximately 1.8 million gravity observations, including nearly 1.4 million ground stations and 451,000 line kilometers of airborne surveys, were used to create this national grid. The data was compiled by Geoscience Australia from government, industry, and research sources dating from the 1940s to 2019. It provides a tilt-filtered image of Bouguer anomalies over Australia and its continental margins.

Geospatial🇦🇺 AustraliaGravityGeophysicsComputer VisionLarge ScaleEarth Science+1

Earth & Climate Science

Australian Gravity Anomaly Grid with Airborne Data

Gravity anomaly data for Australia and its continental margins, derived from approximately 1.8 million ground and airborne observations. The grid was compiled by Geoscience Australia using data from government, industry, and academic sources collected from the 1940s to 2019. It provides a half vertical derivative of complete Bouguer anomalies at a cell size of approximately 435 meters.

ImageGeospatial🇦🇺 AustraliaB SeriesEarth sciencesGravGeospatial GridRasterAirborneGadds20GravityGeophysics05vdGradiometryBouguerMarineComputer VisionGround Digital DataCompleteGridLarge ScalePublished ExternalGeophysical SurveyNCI+1

Earth & Climate Science

Australian Gravity Anomaly Grid with Airborne Data, 2019

The 2019 Australian National Gravity Grids B series integrates approximately 1.8 million gravity observations, including nearly 1.4 million ground stations and airborne surveys totaling 451,000 line km. It was compiled by Geoscience Australia (GA) from data acquired by government, industry, and research organizations from the 1940s to 2019. The grid has a cell size of 0.00417 degrees (approximately 435m) and includes terrain corrections from bathymetry and topography.

Geospatial🇦🇺 AustraliaGravityGeophysicsComputer VisionLarge ScaleEarth Science+1

Earth & Climate Science

National Gravity Compilation 2019: Free Air Anomaly Grid for Australia

Geoscience Australia's 2019 National Gravity Compilation is a free air anomaly grid derived from approximately 1.8 million gravity observations. The grid incorporates nearly 1.4 million ground stations from the Australian National Gravity Database, 345,000 line km of airborne gravity data, and 106,000 line km of airborne gravity gradiometry, supplemented with offshore data from Scripps Institution of Oceanography. It provides a cell size of approximately 435 meters (0.00417 degrees) in units of micro-metres per second squared.

Geospatial🇦🇺 AustraliaGravity AnomalyGeophysicsLarge ScaleAirborne SurveyGeological Survey+1

Earth & Climate Science

National Gravity Compilation 2019: Free Air Anomaly Grid for Australia

A free air gravity anomaly grid for Australia and its continental margins, derived from approximately 1.8 million gravity observations. The grid incorporates ground data from the Australian National Gravity Database, offshore data from a global grid, and airborne gravity and gradiometry surveys totaling 451,000 line kilometers. The compilation was produced by Geoscience Australia and partners using data collected from the 1940s to 2019.

Geospatial🇦🇺 AustraliaGeospatial GridGravity AnomalyGeophysicsLarge ScaleEarth Science+1

Earth & Climate Science

Australian Gravity Anomaly Grid with Airborne Survey Data

The 2019 National Gravity Compilation integrates ground observations from the 1940s to present with airborne surveys. It contains approximately 1.8 million gravity observations, including nearly 1.4 million ground stations and 451,000 line kilometers of airborne gravity and gradiometry data. The grid was produced by Geoscience Australia and partners, using data from the Australian National Gravity Database and global sources.

ImageGeospatial🇦🇺 AustraliaB SeriesEarth sciencesGravRasterGravitySurvey 202008Gravity AnomalyGeophysicsBouguerComputer VisionCompleteLarge ScaleDigital DataSpherical CapPublished ExternalNationalGeological StructureGeophysical SurveyNCIBouguer Anomaly+1

Earth & Climate Science

Australian National Gravity Grids: Free Air and Bouguer Anomalies at 400m Resolution

2019 grids combine over 1.4 million ground gravity observations from the Australian National Gravity Database, 345,000 line km of airborne gradiometry, and global satellite-derived offshore data. The grids, produced by Geoscience Australia and GNS Science, provide Free Air Anomaly, Complete Bouguer Anomaly, and De-trended Global Isostatic Residual values at a 400-metre cell size. Data collection spans from the 1940s to the present, with station spacing varying from 11 km to less than 1 km across the continent.

Geospatial🇦🇺 AustraliaZIPGeospatial GridGravity AnomalyGeophysicsLarge ScaleGeoscience+1

Earth & Climate Science

National Gravity Compilation 2019: Australian Gravity Anomaly Grid

Nearly 1.8 million gravity observations underpin this 435-meter resolution grid of de-trended global isostatic residual anomalies across Australia. The compilation integrates ground data from the 1940s onward, 345,000 line km of airborne gravity, and 106,000 line km of airborne gravity gradiometry, processed by Geoscience Australia. This grid provides a foundational dataset for modeling subsurface geological structures.

Geospatial🇦🇺 AustraliaGeospatial GridGravity AnomalyGeophysicsLarge ScaleAirborne Survey+1

Earth & Climate Science

Australian Free Air Gravity Anomaly Grid from 1.8 Million Observations

Nearly 1.4 million gravity stations from the Australian National Gravity Database were used to generate this free air anomaly grid. The grid covers Australia and its continental margins with a cell size of approximately 435 meters, showing anomalies in units of um/s^2. Ground data was collected by government, industry, and research organizations from the 1940s to 2019, supplemented with offshore data from global sources.

Geospatial🇦🇺 AustraliaGeospatial GridGravity AnomalyGeophysicsLarge ScaleEarth Science+1

Earth & Climate Science

National Gravity Compilation 2019: Free Air Anomaly Grid for Australia

Nearly 1.4 million ground gravity stations and 451,000 line kilometers of airborne surveys were used to generate this free air anomaly grid. The grid, with a cell size of approximately 435 meters, shows gravity variations over Australia and its continental margins to reveal subsurface geology. Data was compiled by Geoscience Australia from government, industry, and research sources dating from the 1940s to 2019.

Geospatial🇦🇺 AustraliaGravity AnomalyGeophysicsLarge ScaleGeological Survey+1

Earth & Climate Science

National Gravity Compilation 2019: Australian Gravity Anomaly Grid at 435m Resolution

Nearly 1.8 million gravity observations, including ground stations and airborne surveys totaling 451,000 line km, were used to create this 2019 grid. The Australian National Gravity Database, supplemented by global offshore data, provides a foundation for revealing sub-surface geological structure. Geoscience Australia processed and quality-checked the data, which includes observations collected from the 1940s to the present day.

Geospatial🇦🇺 AustraliaGeospatial GridGravity AnomalyGeophysicsLarge ScaleEarth Science+1

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Australian Gravity Anomaly Grids for Subsurface Modeling — Topics | DataSalon