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Namoi groundwater drawdown grids


The dataset was derived by the Bioregional Assessment Programme from multiple source datasets. The source datasets are identified in the Lineage field in this metadata statement. The processes undertaken to produce this derived dataset are described in the History field in this metadata statement.

This dataset contains the grids of assessment units with the percentiles of drawdown for baseline, coal resource development pathway and additional coal resources development. Grids for every 5th percentile between the 5th and 95th percentile.

Dataset History

The results of drawdown from NAM_GW_Uncertainty_Analysis at the model nodes for baseline, crdp and acrd are interpolated to grids.

The custom made R script 'Rscripts/interpolateToGrid_i.R', which is executed on the high performance computers with the batch file interpolateNamoi.slurm. The script calculates the percentiles (every 5th between 5th and 95th) and interpolates them to the assessment units. The results are stored in ascii grid files Namoi_$maxtyp$$scen$_quantile$perc$.asc with $maxtyp$ tmax or dmax, $scen$ acrd, base and crdp and $perc$ the percentile.

Dataset Citation

Bioregional Assessment Programme (2017) Namoi groundwater drawdown grids. Bioregional Assessment Derived Dataset. Viewed 11 December 2018, http://data.bioregionalassessments.gov.au/dataset/38b6fd6e-631c-4b3c-830b-0b449ad32d62.

Dataset Ancestors

Data and Resources

This dataset has no data

Additional Info

Field Value
Title Namoi groundwater drawdown grids
Type Dataset
Language eng
Licence Restricted access. This dataset is not available for public distribution.
Data Status NONE
Update Frequency NONE
Landing Page https://data.gov.au/data/dataset/272172d4-5978-492b-a264-c478e5ab763f
Date Published 2018-12-10
Date Updated 2019-11-20
Contact Point
Bioregional Assessment Program
Temporal Coverage N/A - N/A
Geospatial Coverage POLYGON ((0 0, 0 0, 0 0, 0 0))
Jurisdiction New South Wales
Data Portal data.gov.au
Publisher/Agency Bioregional Assessment Program