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Location and extent of NZ's aquifers, 2015

  • Added 11 Jan 2016
  • Updated 18 Feb 2016
  • 12971 Views
  • 237 Downloads

"A unit of rock or sediment is called an aquifer when it can yield a usable quantity of water.
Aquifers may occur at different depths in the same location. The map shows the areas of New Zealand’s land surface above one or more aquifers. The aquifer boundaries were described by White (2001), and some boundaries were updated by Moreau and Bekele (2015), using information provided by regional councils and from Lovett and Cameron (2015). The map has 153 polygons (aquifer outlines), some of which have more than one aquifer.
Methods for defining aquifer boundaries generally rely on knowing the locations and characteristics of productive wells, and using geological maps to identify water–bearing materials. In many cases, these boundaries are also influenced by management attributes such as regional or property boundaries, and surface water catchments (Lovett & Cameron, 2015).
This dataset relates to the ""Location and area of New Zealand’s aquifers"" measure on the Environmental Indicators, Te taiao Aotearoa website.
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License

Creative Commons Attribution 3.0 New Zealand

You may use this work for commercial purposes.

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Attachments

1. Location and extent of NZ's aquifers, 2015 186 KB pdf

Information

Tagswater, New Zealand, WATER-Quality
RegionsNew Zealand
MetadataISO 19115/19139, Dublin Core

Technical Details

Layer ID 52675
Data type Vector multipolygon
Feature count 153
Attributes AREA, region, Name, Source, GW_book_ID, plgn_ID, Status, Litho_Geol, Smpl_litho, Shape_Length
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

History

Added11 Jan 2016
Revisions 3 - Browse all revisions
Current revision Imported on Jan. 11, 2016 in NZGD2000 / New Zealand Transverse Mercator 2000. 12 geometries modified to be OGC compliant. Changelog.
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