Ruataniwha Plains SkyTEM survey
Hawkes Bay Regional Council commissioned SkyTEM Australia to collect SkyTEM data for 3D aquifer mapping. In January/February 2020, 3941 km of SkyTEM data were collected over the Ruataniwha Plains. Data processing was carried out by GNS Science to remove electromagnetic noise. The retained data was used to develop both smooth and sharp resistivity models for the area. The standard depth of investigation varies from 20 to 640 m for the smooth resistivity model. External Quality Control was provided by Aarhus University HydroGeophysics Group. The data is owned by Hawkes Bay regional council.
A series of 3D models were developed with 100 x 100 m grid cells horizontally and 2 m thick grid cells vertically. The primary objective was to provide detailed 3D models and hydrogeological interpretations suitable to be utilised by subsequent numerical modelling and online visualisation tools. 3D model datasets were created and saved in an accessible .csv format, with x,y,z defining the centre of each grid cell. This format enables rapid model visualisation in an interactive online webmap and as 3D block models within a Leapfrog viewer file.
Cite as:
Rawlinson ZJ, Reeves RR, Westerhoff RS, Foged N, Pederson JB, Kellett RL. 2022. Hawke’s Bay 3D Aquifer Mapping Project: Ruataniwha Plains SkyTEM data processing and resistivity models. Wairakei (NZ): GNS Science. 79 p. Consultancy Report 2022/38. (Acquisition and resistivity modelling)
Rawlinson ZJ. 2024. Hawke’s Bay 3D Aquifer Mapping Project:
3D hydrogeological models from SkyTEM data in the Ruataniwha Plains. Lower Hutt (NZ): GNS Science. 60 p. Consultancy Report 2023/117
(3D Hydrogeological modelling)
Simple
- Date (Creation)
- 2023-07-19
- Purpose
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The surveys were flown for 3D aquifer mapping and modelling by determining electrical resistivity variations in the study area.
- Status
- Completed
- Point of contact
-
Organisation name Individual name Electronic mail address Role GNS Science
Point of contact
- Maintenance and update frequency
- Not planned
- Keywords
-
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Resistivity
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- Keywords
-
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Geophysics
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Airborne
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Hydrogeology
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Hydrogeological
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groundwater
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aquifer
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Electromagnetic
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EM
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AEM
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SkyTEM
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- Classification
- Unclassified
- Use constraints
- Intellectual property rights
- Other constraints
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This data is owned by Hawke's Bay Regional Council
- Distance
- 100 100 m
- Language
- English
- Topic category
-
- Geoscientific information
- Geographic identifier
- urn:ogc:def:crs:EPSG:2193
))
- Distribution format
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Name Version
- OnLine resource
- Hierarchy level
- Dataset
- Statement
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See accompanying reports for full description of acquisition, processing and modelling
Metadata
- File identifier
- 599e2597-f19d-4398-b3fe-f39c5d2f96cf XML
- Metadata language
- English
- Character set
- UTF8
- Hierarchy level
- Dataset
- Hierarchy level name
-
Dataset
- Date stamp
- 2024-06-20T02:29:41.070895Z
- Metadata standard name
-
ISO 19115:2003/19139
- Metadata standard version
-
1.0
- Metadata author
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Organisation name Individual name Electronic mail address Role GNS Science
Point of contact
