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

Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

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    Water resources, meat and dairy

    How may the activities of the meat and dairy processing industry impact water resources?

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    Chemical contamination, meat and dairy

    What are the potential sources of chemical contamination from meat and dairy processing facilities?

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    Nutrients, meat and dairy

    What are the potential sources of nutrients from the meat and dairy processing industry?
    Freshwater quality

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    Water resources and wood processing

    How do wood processing activities potentially influence water flows?

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    Nutrients and wood processing

    What are the potential sources of nutrients from wood processing activities?
    Freshwater quality

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    Nutrients and aquaculture

    What are the potential sources of nutrients from aquaculture activities?
    Freshwater quality

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    Sediments and aquaculture

    How can aquaculture activities influence sediments in waterways?
    Freshwater quality

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    Instream barriers and urbanisation

    How do instream barriers as a result of urbanisation influence water resources?

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    Riparian vegetation and urbanisation

    How can urbanisation impact riparian vegetation around a waterway?

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    Nutrients and urbanisation

    What are the potential sources of nutrients from urbanisation?
    Freshwater quality

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    Chemical contamination and urbanisation

    What are the sources of chemical contamination resulting from urbanisation?

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    Riparian vegetation and horticulture

    How may horticultural activities impact riparian vegetation around a waterway?