Great Artesian Basin groundwater project using space gravity observations.
Changes in groundwater can be derived from satellite data across Australia by subtracting changes in soil moisture from changes in total water storage (and assuming that no other significant changes in mass are occurring by other processes). This approach was implemented in a study of groundwater changes in the Great Artesian Basin. Total water storage estimates were derived from GRACE and GRACE Follow-On data, while soil moisture values were taken from outputs of a number of land surface models.
Additionally, the total water storage and soil moisture information was assimilated into the AWRA-L land surface model to assess whether and how the data assimilation process would modeify/improve the groundwater output estimates of the model.
Three technical reports were created during this project and are provided at the following links:
Monitoring groundwater in the Great Artesian Basin through remote sensing: the Surat Basin (pdf)
Monitoring groundwater storage_in the Great Artesian Basin through remote sensing: data assimilation over the Surat and Eromanga Basins (pdf)
Groundwater estimates in the Great Artesian Basin (2018-2020) from the analysis of GRACE Follow-On data (pdf)
The total water storage, soil moisture and groundwater estimates are provided in netcdf format here.
The project was funded by Geoscience Australia as part of the broader Australian Government Great Artesian Basin project.
Type
collection
Title
Great Artesian Basin groundwater project using space gravity observations.
Brief Title
ANU/GA GAB groundwater project
Collection Type
Dataset
Access Privileges
Research School of Earth Sciences
DOI - Digital Object Identifier
10.25911/9f5q-6797
Metadata Language
English
Data Language
English
Significance Statement
The first comprehensive study of changes in groundwater in the Great Artesian Basin from an analysis of space gravity satellite data
Brief Description
Estimates of changes in total water storage, soil moisture and groundwater derived from numerical models and the analysis of space gravity data from the GRACE and GRACE Follow-On space gravity missions.
Full Description
Changes in groundwater can be derived from satellite data across Australia by subtracting changes in soil moisture from changes in total water storage (and assuming that no other significant changes in mass are occurring by other processes). This approach was implemented in a study of groundwater changes in the Great Artesian Basin. Total water storage estimates were derived from GRACE and GRACE Follow-On data, while soil moisture values were taken from outputs of a number of land surface models.
Additionally, the total water storage and soil moisture information was assimilated into the AWRA-L land surface model to assess whether and how the data assimilation process would modeify/improve the groundwater output estimates of the model.
Three technical reports were created during this project and are provided at the following links:
Monitoring groundwater in the Great Artesian Basin through remote sensing: the Surat Basin (pdf)
Monitoring groundwater storage_in the Great Artesian Basin through remote sensing: data assimilation over the Surat and Eromanga Basins (pdf)
Groundwater estimates in the Great Artesian Basin (2018-2020) from the analysis of GRACE Follow-On data (pdf)
The total water storage, soil moisture and groundwater estimates are provided in netcdf format here.
The project was funded by Geoscience Australia as part of the broader Australian Government Great Artesian Basin project.
Contact Email
paul.tregoning@anu.edu.au
Contact Address
Research School of Earth Sciences
The Australian National University
Contact Phone Number
+61261255510
Principal Investigator
Professor Paul Tregoning
Supervisors
Paul Tregoning
Collaborators
Dr Herb McQueen;
Dr Sebastien Allgeyer;
Dr Rebecca McGirr;
Dr Mahdiyeh Razeghi
Fields of Research
370603 - Geodesy;
370703 - Groundwater hydrology
Socio-Economic Objective
180399 - Fresh, ground and surface water systems and management not elsewhere classified
Keywords
GRACE;
groundwater;
space gravity;
Great Artesian Basin
Type of Research Activity
Applied Research
Date Coverage
2020
2003
Geospatial Location
Australia
text
Date of data creation
2021
Year of data publication
2022
Creator(s) for Citation
Tregoning
Paul
Publisher for Citation
The Australian National University Data Commons
Access Rights Type
Open
Rights held in and over the data
Creative Commons Licence is assigned to this data. Details of the licence can be found at http://creativecommons.org.au/licences.
