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                <gco:DateTime>2017-10-09T03:49:52</gco:DateTime>
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                        <gco:CharacterString>SYD Dryland Diffuse Groundwater Recharge v01</gco:CharacterString>
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                <gco:CharacterString>## **Abstract** 

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 four rasters of groundwater recharge over the Sydney Basin. There is a deterministic "best" estimate of the recharge and there are 3 percentiles (5th, 50th and 95th) from a probabilistic estimate of the recharge over the Sydney Basin.

## **Purpose** 

This dataset was created as an input into the numerical groundwater modelling.

## **Dataset History** 

This dataset was created using regression equations developed from the point estimates of recharge using the chloride mass balance. The regression equations were created from a relationship between the annual average rainfall and average annual recharge for different surface geology groupings.

## **Dataset Citation** 

Bioregional Assessment Programme (XXXX) SYD Dryland Diffuse Groundwater Recharge v01. Bioregional Assessment Derived Dataset. Viewed 22 June 2018, http://data.bioregionalassessments.gov.au/dataset/c73b2181-b2eb-4272-939c-98823f4e7ce1.

## **Dataset Ancestors** 

* **Derived From** [Surface Geology of Australia, 1:1 000 000 scale, 2012 edition](https://data.gov.au/data/dataset/8284767e-b5b1-4d8b-b8e6-b334fa972611)

* **Derived From** [Gippsland Project boundary](https://data.gov.au/data/dataset/27413de5-d13a-4231-ac79-fc77f4cbb5f7)

* **Derived From** [Geological Provinces - Full Extent](https://data.gov.au/data/dataset/0a064b3b-2a1e-4672-80d9-03333be67aad)

* **Derived From** [Natural Resource Management (NRM) Regions 2010](https://data.gov.au/data/dataset/1d54e38f-4051-4f0c-a350-c7dbd8eba65b)

* **Derived From** [Bioregional Assessment areas v03](https://data.gov.au/data/dataset/96dbf469-5463-4f4d-8fad-4214c97e5aac)

* **Derived From** [Bioregional Assessment areas v06](https://data.gov.au/data/dataset/54d7cc96-5129-450a-aef4-73197f9bc09d)

* **Derived From** [Bioregional Assessment areas v05](https://data.gov.au/data/dataset/25f89049-839d-4736-bd81-97d8e8a40f8e)

* **Derived From** [BOM, Australian Average Rainfall Data from 1961 to 1990](https://data.gov.au/data/dataset/fd91f2d4-2cc8-4d5d-9f67-8fe8af1e2676)

* **Derived From** [NSW Catchment Management Authority Boundaries   20130917](https://data.gov.au/data/dataset/0dc4272e-c081-4ed4-9645-aa336ffacd85)

* **Derived From** [SYD Chloride Deposition in Rainfall v01](https://data.gov.au/data/dataset/3c8d0456-4518-4cd8-b3e3-eaf893a12611)

* **Derived From** [SYD Point Recharge Esitmates from Chloride Mass Balance v01](https://data.gov.au/data/dataset/2de56d51-44d0-4217-a98a-10ae1dedcf8b)

* **Derived From** [Australian 0.05Âº gridded chloride deposition v2](https://data.gov.au/data/dataset/c1649bd7-227f-41ff-9964-b55479bef640)

* **Derived From** [Bioregional Assessment areas v01](https://data.gov.au/data/dataset/0fd0d820-30b3-451f-a126-a50040426999)

* **Derived From** [Bioregional Assessment areas v02](https://data.gov.au/data/dataset/e414b1b3-c42e-42e9-9cc4-2093054aa35f)

* **Derived From** [GEODATA TOPO 250K Series 3](https://data.gov.au/data/dataset/a0650f18-518a-4b99-a553-44f82f28bb5f)

* **Derived From** [Victoria - Seamless Geology 2014](https://data.gov.au/data/dataset/2872d02e-66cb-42b6-9e5a-63abc8ad871b)

* **Derived From** [NSW Office of Water - Groundwater quality extract](https://data.gov.au/data/dataset/74da836a-7b97-4278-9034-c9a259a34fbb)

* **Derived From** [Bioregional Assessment areas v04](https://data.gov.au/data/dataset/e8a2d577-c5c5-4e2c-b0fa-53e4b2d4a034)

* **Derived From** [GEODATA TOPO 250K Series 3, File Geodatabase format (.gdb)](https://data.gov.au/data/dataset/96ebf889-f726-4967-9964-714fb57d679b)

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