Atmospheric analysis

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

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    Climate & Weather

    Understanding our variable and changing climate is critical for managing resources and reducing risks.
  • Mangrove on Athenree Estuary

    Preparing coastal communities for change

    News article
    Our coastline is changing as sea levels rise. Lawrence Gullery looks at a five-year research programme designed to help communities with tough decisions ahead.
  • tuna

    Cultural Keystone Species

    Freshwater Cultural Keystone (Taonga) Species such as tuna, kōura and kāeo/kākahi are central to the identity and wellbeing of many Māori communities throughout Āotearoa. For generations, these species have sustained communities and been vital in the transfer of customary practices and knowledge from one generation to the next.
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    Our Partners and Funders

    NIWA has working relationships with hundreds of organisations in New Zealand and overseas. Most of NIWA’s revenue is from contestable research funding and commercial consultancy work.
  • 2022 Half Yearly Report

    Read NIWA's 2022 Half Year Report.
  • New Zealand streamflow depletion model: A tool for sustainable water resource management

    Intensifying competition for water is increasing pressure on finite water resources (surface and groundwater), which manifests itself as depleted stream flows. As the concerns over water resources and the environment increase, the importance of combined water management, which acknowledges the integrated nature of groundwater and surface water, and manages them as a single resource, is critical to sustain both human society and aquatic and terrestrial ecosystems.
  • Colonial ascidians (grapes), crinoids (feather stars) and primnoid corals (orange) make up part of the Ross Sea ecosystem

    Biological traits

    Software Tool/Resource
    Based on the characteristics of individual organisms, Biological traits analysis is also a powerful way to measure ecosystem health and vulnerability to human activities.
  • Albatross Cook Strait

    Our mission

    NIWA’s mission is to support the wellbeing of Aotearoa New Zealand’s people and businesses through improved management of the environment, sustainable use of natural resources, and effective responses to global change.
  • Our company

    NIWA, the National Institute of Water and Atmospheric Research, is a Crown Research Institute established in 1992. It operates as a stand-alone company with its own Board of Directors and Executive.
  • Aquaculture

    Aquaculture

    Supporting the sustainable growth of New Zealand’s aquaculture industry.
  • 2022-23 Summer Climate Summary from NIWA Meteorologist/Forecaster Ben Noll

    It has been a summer to remember, but not in a good way.
  • In numbers: New Zealand’s wild summer weather

    Media release
    It has been a summer to remember, but not in a good way.