Data

Georgetown dose rate grid geodeticg

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=62c46609-7404-4f61-a31a-4289557db7de&rft.title=Georgetown dose rate grid geodeticg&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/141506&rft.description=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. The terrestrial dose rate grid is derived as a linear combination of the filtered K, U and Th grids. A low pass filter is applied to this grid to generate the filtered terrestrial dose rate grid.This Georgetown dose rate grid geodeticg has a cell size of 0.00042 degrees (approximately 45m) and shows the terrestrial dose rate of the Georgetown, Qld, 1998/99. The data used to produce this grid was acquired in 1998 by the QLD Government, and consisted of 65969 line-kilometres of data at 200m line spacing and 80m terrain clearance.Maintenance and Update Frequency: notPlannedStatement: This Georgetown dose rate grid geodeticg is an airborne-derived radiometric terrestrial dose rate grid for the Georgetown, Qld, 1998/99 survey. The survey was acquired under the project No. 666 for the geological survey of QLD. The grid has a cell size of 0.00042 degrees (approximately 45m). A total of 65969 line-kilometres of data at a line spacing of 200m were acquired to produce this grid. The terrestrial dose rate grid is derived as a linear combination of the filtered K, U and Th grids. 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. Reference: Percival, P.J., 2014. Index of airborne geophysical surveys (Fourteenth Edition).&rft.creator=Geophysical Acquisition & Processing Section &rft.date=2020&rft.coverage=westlimit=142.9798; southlimit=-19.0198; eastlimit=144.0198; northlimit=-17.9798; projection=WGS84 (EPSG:4326)&rft.coverage=westlimit=142.9798; southlimit=-19.0198; eastlimit=144.0198; northlimit=-17.9798; projection=WGS84 (EPSG:4326)&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/&rft_rights=(c) Commonwealth of Australia (Geoscience Australia) 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=QLD&rft_subject=survey 666&rft_subject=GADDS2.0&rft_subject=radiometrics&rft_subject=NASVD&rft_subject=thorium&rft_subject=uranium&rft_subject=potassium&rft_subject=dose rate&rft_subject=dose&rft_subject=rate&rft_subject=airborne digital data&rft_subject=geophysical survey&rft_subject=rad&rft_subject=K&rft_subject=Th&rft_subject=U&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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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. The terrestrial dose rate grid is derived as a linear combination of the filtered K, U and Th grids. A low pass filter is applied to this grid to generate the filtered terrestrial dose rate grid.
This Georgetown dose rate grid geodeticg has a cell size of 0.00042 degrees (approximately 45m) and shows the terrestrial dose rate of the Georgetown, Qld, 1998/99. The data used to produce this grid was acquired in 1998 by the QLD Government, and consisted of 65969 line-kilometres of data at 200m line spacing and 80m terrain clearance.

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Maintenance and Update Frequency: notPlanned
Statement: This Georgetown dose rate grid geodeticg is an airborne-derived radiometric terrestrial dose rate grid for the Georgetown, Qld, 1998/99 survey. The survey was acquired under the project No. 666 for the geological survey of QLD. The grid has a cell size of 0.00042 degrees (approximately 45m). A total of 65969 line-kilometres of data at a line spacing of 200m were acquired to produce this grid. The terrestrial dose rate grid is derived as a linear combination of the filtered K, U and Th grids. 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. Reference: 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: 07 09 1998 to 15 11 1998

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144.0198,-17.9798 144.0198,-19.0198 142.9798,-19.0198 142.9798,-17.9798 144.0198,-17.9798

143.4998,-18.4998

text: westlimit=142.9798; southlimit=-19.0198; eastlimit=144.0198; northlimit=-17.9798; projection=WGS84 (EPSG:4326)

Subjects
Australia | EARTH SCIENCES | Earth sciences | GADDS2.0 | K | NASVD | NCI | Published_External | QLD | Th | U | airborne digital data | dose | dose rate | gamma-ray | geophysical survey | geophysics | geoscientificInformation | grid | potassium | rad | radiometrics | raster | rate | spectrometry | survey 666 | thorium | uranium |

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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

File download for Georgetown dose rate grid geodeticg (Georgetown dose rate grid geodeticg file download)

url : https://thredds.nci.org.au/thredds/fileServer/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc

NetCDF Subsetting Service (NCSS) for Georgetown dose rate grid geodeticg (Georgetown dose rate grid geodeticg NCSS)

url : https://thredds.nci.org.au/thredds/ncss/grid/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc/dataset.html

OPeNDAP web service for Georgetown dose rate grid geodeticg (Georgetown dose rate grid geodeticg OPeNDAP)

url : https://thredds.nci.org.au/thredds/dodsC/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc.html

OGC Web Mapping Service (WMS) for Georgetown dose rate grid geodeticg (Georgetown dose rate grid geodeticg WMS)

url : https://thredds.nci.org.au/thredds/wms/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc?service=WMS&version=1.3.0&request=GetCapabilities

OGC Web Coverage Service (WCS) for Georgetown dose rate grid geodeticg (Georgetown dose rate grid geodeticg WCS)

url : https://thredds.nci.org.au/thredds/wcs/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc?service=WCS&version=1.0.0&request=GetCapabilities

Georgetown dose rate grid geodeticg NCSS

url : https://thredds.nci.org.au/thredds/ncss/grid/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc/dataset.html

Georgetown dose rate grid geodeticg OPeNDAP

url : https://thredds.nci.org.au/thredds/dodsC/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc.html

Georgetown dose rate grid geodeticg WMS

url : https://thredds.nci.org.au/thredds/wms/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc?service=WMS&version=1.3.0&request=GetCapabilities

Georgetown dose rate grid geodeticg WCS

url : https://thredds.nci.org.au/thredds/wcs/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/GA/grid/P666/P666-grid-dose_terr.nc?service=WCS&version=1.0.0&request=GetCapabilities

Identifiers
ACN 633 798 857