Research and Private Groundwater Bores Database (not current see DW_POINTS)

dataset: GWBORES100
This layer contains points locating groundwater research bores statewide. It documents data concerning bores drilled mostly to allow access to groundwater to support various uses and groundwater monitoring and research. The information within this layer derives from the PIRVic Bendigo Groundwater Database currently stored in SQL. This layer has been supereceded by DW_POINTS
 
Citation proposal Citation proposal
(2014)

Research and Private Groundwater Bores Database (not current see DW_POINTS)

Department of Primary Industries
 

Description

Title
Research and Private Groundwater Bores Database (not current see DW_POINTS) 
Alternate title
GWBORES100 
Resource Type
Dataset  
Purpose
not current see DW_POINTS 
Credit
Phil Miles, Margaret Allan, Geoff Elder & Steve Williams 
Supplemental Information
Current Design Issues: Each bore needs to be uniquely identified (via attribute bore-id) to enable linkage to the groundwater and other databases. Additional ID attributes are required to support earlier numbering schemes still extant within some of the associated databases. A subset of textual information has been extracted from the parent databases (ie monfreq, zone, easting, northing) to enhance the layers useability. Future Design Issues: Layer enhancements to enable linkage to time series water level, lithological and water quality data will be a future requirement. These linkages may be to other existing database systems. Related Documents: None 
Status
Obsolete  
 
 

Temporal

Begin date
unknown  
End date
unknown  
 
 

Spatial

Spatial representation type
Vector  
Horizontal Accuracy
100m  
Description
General - Victoria 
N
S
E
W


 

 

Maintenance

Maintenance and update frequency
Irregular  
 
 

Format

Title
DIGITAL Arc/Info Revision 7 Librarian layer SQL database ArcSDE - mapdb 10 
 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Inland waters
 
 

Resource Constraints

Use limitation
Departmental use only. Contact data.vsdl@dse.vic.gov.au for external data supplies. not current see DW_POINTS 
Classification
Limited Distribution  
 
 

Lineage

Statement
Dataset Source: A copy of the Statewide Groundwater Database was obtained May 1994 from the database manager Sinclair, Knight, Merz. CLPR bore data is sourced from the centres groundwater database and is regularly updated for monitored bores. Dataset Originality: Derived 
Description
Collection Method: Field measurements, maps. 
Description
The data was originally supplied as a series of ASCII files from SKM, imported into an Microsoft Access database and then converted to ARC/INFO points coverages. The CLPR Groundwater Database is now held in SQL and updated regularly for monitored bores. 
 
 

Metadata Constraints

Classification
Limited Distribution  
 
 

Quality

Attribute Quality
Comments
Only a subset of attributes from the parent databases have been included in the layer. The accuracy of these attribute varies across the State. 
Positional Accuracy
Comments
Precision: The current positional accuracy of the bore locations is variable. It is estimated that approximately 10% of the bores are in the wrong locations to a significant degree. A more comprehensive spatial error analysis is required. Determination: - Not Documented 
Conceptual Consistency
Comments
Because the layer is an aggregation of bores from several groups this influences it's logical consistency. Bores derived from CLPR are used for research and groundwater monitoring purposes (and may be located near roads to facilitate measurement). Previously in bores100 we included bores from SKM which are utilitarian, have differing deployment patterns and support a range of activities (ie. private bores sunk for irrigation, offshore drilling³s for oil exploration etc). 
Missing Data
Comments
Bores are located across the State. 
Excess Data
 
 

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