Data

GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic

Name: GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic
Published: 2020

Geoscience Australia

Geophysical Acquisition & Processing Section

Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]

ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://rhe-ecat-prod01.prod.lan:8080/geonetwork/srv/eng/search?uuid=8a5812d0-ebcc-46ca-aa3a-652c0f000499&rft.title=GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/142222&rft.description=This GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic is an airborne-derived radiometric thorium window countrate grid for the NSW DMR, Discovery 2000,1994-95, Area D, Surat Basin survey. 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 thorium (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 GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic has a cell size of 0.00072 degrees (approximately 75m). The data are in units of counts per second (or cps). The data used to produce this grid was acquired in 1995 by the NSW Government, and consisted of 117000 line-kilometres of data at 400m line spacing and 80m terrain clearance.Maintenance and Update Frequency: notPlannedStatement: This GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic is an airborne-derived radiometric thorium window countrate grid for the NSW DMR, Discovery 2000,1994-95, Area D, Surat Basin survey. The survey was acquired in 1995 under the project No. 734 for the geological survey of NSW. The data consisted of 117000 line-kilometres of data at 400m line spacing and 80m terrain clearance. The radiometric count rate is contaminated by background radiation contributions from the aircraft, cosmic rays, and the presence of Radon gas escaping from the ground. It is also affected by the ground clearance of the detector, as well as the volume of the detector. This grid was produced after applying radiometric corrections to the thorium window data from the survey. The final grid is checked for quality by GA geophysicists to ensure that the final data released are fit-for-purpose. This GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic has a cell size of 0.00072 degrees (approximately 75m) and shows the thorium window countrate of the NSW DMR, Discovery 2000,1994-95, Area D, Surat Basin survey in units of counts per second (or cps). Noise-adjusted singular value decomposition (NASVD) has been applied to the data. NASVD is a spectral component analysis procedure for the removal of noise from gamma-ray spectra. Details of the specifications of individual airborne surveys can be found in the Fourteenth Edition of the Index of Airborne Geophysical Surveys (Percival, 2014). This Index is also available online at http://pid.geoscience.gov.au/dataset/79134. References Percival, P.J., 2014. Index of airborne geophysical surveys (Fourteenth Edition).&rft.creator=Geophysical Acquisition & Processing Section &rft.date=2020&rft.coverage=westlimit=146.9842; southlimit=-31.0281; eastlimit=149.1461; northlimit=-28.8893; projection=WGS84 (EPSG:4326)&rft.coverage=westlimit=146.9842; southlimit=-31.0281; eastlimit=149.1461; northlimit=-28.8893; projection=WGS84 (EPSG:4326)&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/&rft_rights=(c) State of New South Wales (Department of Regional New South Wales) 2020&rft_rights=Australian Government Security ClassificationSystem https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_subject=geoscientificInformation&rft_subject=EARTH SCIENCES&rft_subject=NCI&rft_subject=Earth sciences&rft_subject=geophysics&rft_subject=grid&rft_subject=Australia&rft_subject=NSW&rft_subject=survey 734&rft_subject=GADDS2.0&rft_subject=radiometrics&rft_subject=NASVD&rft_subject=thorium&rft_subject=window countrate&rft_subject=airborne digital data&rft_subject=geophysical survey&rft_subject=rad&rft_subject=Th&rft_subject=gamma-ray&rft_subject=spectrometry&rft_subject=raster&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data

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This GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic is an airborne-derived radiometric thorium window countrate grid for the NSW DMR, Discovery 2000,1994-95, Area D, Surat Basin survey. 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 thorium (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 GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic has a cell size of 0.00072 degrees (approximately 75m). The data are in units of counts per second (or cps). The data used to produce this grid was acquired in 1995 by the NSW Government, and consisted of 117000 line-kilometres of data at 400m line spacing and 80m terrain clearance.

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Maintenance and Update Frequency: notPlanned

Statement: This GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic is an airborne-derived radiometric thorium window countrate grid for the NSW DMR, Discovery 2000,1994-95, Area D, Surat Basin survey. The survey was acquired in 1995 under the project No. 734 for the geological survey of NSW. The data consisted of 117000 line-kilometres of data at 400m line spacing and 80m terrain clearance. The radiometric count rate is contaminated by background radiation contributions from the aircraft, cosmic rays, and the presence of Radon gas escaping from the ground. It is also affected by the ground clearance of the detector, as well as the volume of the detector. This grid was produced after applying radiometric corrections to the thorium window data from the survey. The final grid is checked for quality by GA geophysicists to ensure that the final data released are fit-for-purpose. This GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic has a cell size of 0.00072 degrees (approximately 75m) and shows the thorium window countrate of the NSW DMR, Discovery 2000,1994-95, Area D, Surat Basin survey in units of counts per second (or cps). Noise-adjusted singular value decomposition (NASVD) has been applied to the data. NASVD is a spectral component analysis procedure for the removal of noise from gamma-ray spectra. Details of the specifications of individual airborne surveys can be found in the Fourteenth Edition of the Index of Airborne Geophysical Surveys (Percival, 2014). This Index is also available online at http://pid.geoscience.gov.au/dataset/79134. References Percival, P.J., 2014. Index of airborne geophysical surveys (Fourteenth Edition).

Created: 07 03 2020

Issued: 07 03 2020

Modified: 06 07 2021

Data time period: 1995 to 07 1995

This dataset is part of a larger collection

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text: westlimit=146.9842; southlimit=-31.0281; eastlimit=149.1461; northlimit=-28.8893; projection=WGS84 (EPSG:4326)

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Other Information

The Geophysical Archive Data Delivery System (GADDS2) portal provides HTTP download of geophysics datasets in a number of formats. Point and line datasets are available in NetCDF and ASEG-GDF2. Grid datasets are available in NetCDF, GeoTIFF and ERS. (File available for download in various formats from the GADDS2 portal)

url : https://portal.ga.gov.au/persona/gadds External Link

File download for GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic (GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic file download)

url : https://thredds.nci.org.au/thredds/fileServer/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/NSW/grid/P734/P734-grid-th_wind.nc External Link

NetCDF Subsetting Service (NCSS) for GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic (GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic NCSS)

url : https://thredds.nci.org.au/thredds/ncss/grid/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/NSW/grid/P734/P734-grid-th_wind.nc/dataset.html External Link

OPeNDAP web service for GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic (GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic OPeNDAP)

url : https://thredds.nci.org.au/thredds/dodsC/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/NSW/grid/P734/P734-grid-th_wind.nc.html External Link

OGC Web Mapping Service (WMS) for GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic (GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic WMS)

url : https://thredds.nci.org.au/thredds/wms/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/NSW/grid/P734/P734-grid-th_wind.nc?service=WMS&version=1.3.0&request=GetCapabilities External Link

OGC Web Coverage Service (WCS) for GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic (GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic WCS)

url : https://thredds.nci.org.au/thredds/wcs/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/NSW/grid/P734/P734-grid-th_wind.nc?service=WCS&version=1.0.0&request=GetCapabilities External Link

GSNSW Exploration NSW Area D Surat Basin thorium grid geodetic NCSS