Calperum Critical Zone Observatory (CZO) Heat Needle Monitoring Program Feb 2024-ongoing

doi:doi:10.60623/3159pc3b

Calperum Critical Zone Observatory (CZO) Heat Needle Monitoring Program Feb 2024-ongoing

The dataset is ground temperature and thermal conductivity data recorded at the Calperum Critical Zone observatory with AuScope Heat Needle devices.

It comprises two file types. TLOG files record ground temperature at millikelvin resolution at seven depths from surface to 1.1 m continuously at 15-minute intervals. TCLOG files record temperatures during periodic one-hour heating tests for the purpose of thermal conductivity measurements.

Data Releases - The data is accumulated over time in newer releases. Each subsequent release will include new data appended to all prior data from previous releases, with no changes to the previous data. A “readme.txt” file is provided in the dataset, which explains the structure and content of the dataset. It includes details about using metadata and generating processed files.

Cite this as

Graeme Beardsmore, Ehdena Khomami, David B. Baker (2025): Calperum Critical Zone Observatory (CZO) Heat Needle Monitoring Program Feb 2024-ongoing. AuScope. (Dataset). https://doi.org/10.60623/3159pc3b

Data and Resources

readme.txt TXT
This file describes the structure and content of the dataset. It includes...
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tlog_metadata.csv CSV
This metadata file contains information about TLOG surveys and Heat Needles...
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tclog_metadata.csv CSV
This metadata file contains information about TCLOG surveys and Heat Needles...
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Sensors_2021.csv CSV
This file holds calibration coefficients for all sensors that are used in...
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calperum_release_2025-05-23ZIP
The main folder that holds all the datafiles as described in the "readme.txt"...
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Additional Info

Field	Value
DataCite DOI Identifier	10.60623/3159pc3b
Authors	Author Name: Graeme Beardsmore Author Name Type: Personal Author Affiliation: The University of Melbourne Author Identifier Type: ORCID Author Identifier: https://orcid.org/0000-0003-4812-1146 Author Name: Ehdena Khomami Author Name Type: Personal Author Affiliation: The University of Melbourne Author Identifier Type: ORCID Author Identifier: https://orcid.org/0009-0000-4544-8528 Author Name: David B. Baker Author Name Type: Personal Author Affiliation: The University of Adelaide Author Identifier Type: ORCID Author Identifier: https://orcid.org/0000-0002-7591-0303
Resource Type	Dataset
User Specified Keywords	Heat Flow,Heat Needle,Thermal Conductivity,Thermal Diffusivity,Land Surface Temperature,Soil Temperature
GCMD Science Keywords	GEOTHERMAL TEMPERATURE HEAT FLUX LAND SURFACE TEMPERATURE
Fields of Research	Geothermics and radiometrics Soil physics
Deposit Date	2025-04-22
Publication Date	2025-06-04
Embargo Date
Start Date	2024-02-18
End Date
Locality	Calperum Mallee SuperSite
Location Details
Elevation (m)
Geographic Coordinate System	4326 - WGS 84
Funding Reference	Funder Name: AuScope Ltd Funder Identifier: https://ror.org/04s1m4564 Funder Identifier Scheme: ROR Funding Program Name: AuScope RIIP22 Project Identifier: A3.122 Project Name: Managing and Enhancing Australia’s Heat Flow Data Project Identifier Type: Other Funder Name: AuScope Ltd Funder Identifier: https://ror.org/04s1m4564 Funder Identifier Scheme: ROR Funding Program Name: AuScope RIIP22 Project Identifier: A3.33 Project Name: Imaging Operations ADEL Project Identifier Type: Other Funder Name: University of Adelaide Funder Identifier: https://ror.org/00892tw58 Funder Identifier Scheme: ROR Funding Program Name: Seed Grant 2024, Environment Institute; University of Adelaide Project Identifier: 119/13116691 Project Name: Critical Zone Observatory Network: geophysics heat flow experiment Project Identifier Type: Other Funder Name: Terrestrial Ecosystem Research Network - TERN Funder Identifier: https://ror.org/03wxseg04 Funder Identifier Scheme: ROR Funding Program Name: NCRIS TERN Ecosystems Project Identifier: https://www.tern.org.au/tern-ecosystem-processes/calperum-mallee-supersite/ Project Name: Calperum Supersite Project Identifier Type: Other
Related Resource	Related Resource Type: Other Related Resource URL: https://www.czen.org/content/calperum-mallee-supersite Related Resource Title: Critical Zone Exploration Network Relation Type: HasMetadata Related Resource Type: Other Related Resource URL: https://www.hotdryrocks.com/the-heat-needle Related Resource Title: The Heat Needle developed by Hot Dry Rocks Pty Ltd Relation Type: HasMetadata
Lineage	The data are collected every 2 to 3 months from three different stations at Calperum Critical Zone Observatory (CZO), using three Heat Needle instruments. One Heat Needle is deployed at each station and each Heat Needle has its own calibration coefficients to convert digital sensor readings to actual temperature values. Therefore, the dataset includes raw data files that contain digital Heat Needle sensor readings, and processed data files that contain the conversion to temperatures.
Supplemental Information
Publisher	AuScope
Credit	Anyone downloading and presenting or republishing these data should acknowledge AuScope by: “These data were enabled by AuScope and the Australian Government via the National Collaborative Research Infrastructure Strategy (NCRIS): auscope.org.au”
Primary Contact Name	AuScope Data Repository
Primary Contact Email	help@data.auscope.org.au