On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

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    Water take

    Water take (also known as water abstraction) has a range of valuable public and private uses.
  • When fresh water meets salty water

    When fresh water meets salty water - a classroom exercise that explores the physics of estuaries.
  • Chemical contamination and agriculture

    What are the potential sources of chemical contamination from agricultural activities?
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    Dog Island

    Dog Island levels
  • Gisborne

    In comparison with regions exposed to the west, Gisborne experiences a greater number of weather and climatic extremes.
  • White sharks

    Research Project
    Where and when do white sharks occur in New Zealand waters, and how can fisheries bycatch be reduced?
  • What is the proposed activity or industry?

    Various industries and land use activities have the potential to impact on water quality and mahinga kai unless properly managed.
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    National

    National climate maps
  • The process

    The process of coming to work with us has five steps: applying, a phone interview, a face to face interview, background checks, and an offer.
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    Snapper life cycle

  • Average soil moisture deficit onset and termination maps

    Maps of the average first and last dates of soil moisture deficit are shown here.
  • Loss of riparian vegetation

    Plants and trees along the water margins and banks are called riparian vegetation.