Atmospheric analysis

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

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    DSS for setting turbidity limits at base flows

    DSS for setting turbidity limits at base flows

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    DSS for setting turbidity limits at peak flows

    DSS for setting turbidity limits at peak flows

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    About the Continuous Plankton Recorder (CPR)

    Plankton

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    Plankton biodiversity in the Southern Ocean

    Research Project
    NIWA is conducting a five–year study to map changes in the distribution of plankton species in surface waters between New Zealand and the Ross Sea.
    Antarctica
    Climate change
    Marine invertebrates

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    Predicting long-term contaminant accumulation in the central Waitemata and southeastern Manukau Harbours

    Research Project
    This project was undertaken for Auckland Regional Council to identify significant sources of contaminants in the central Waitemata and southeastern Manukau Harbours.
    Coasts
    Ocean modelling
    Pollution

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    Stocktake of diffuse pollution attenuation tools for New Zealand pastoral farming systems

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    Resources

    Guides and other tools

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    Estimating deposited fine sediment

    Quorer: a simple method for estimating deposited fine sediment

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    Setting maximum turbidity levels for riverine fish (DSS)

    NIWA research has established turbidity limits to protect fish in New Zealand rivers.

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    Models to help manage erosion

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    Freshwater management tools

    Some of the useful methods, guidelines and modelling tools we've developed to assist with management of freshwaters.

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    Freshwater species and habitat management

    Find out how we can help you with freshwater species and habitat management.