Atmospheric analysis

Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers.

Easing the resource consent process

A carbon neutral activity is one that has a carbon footprint of zero.

Each waterway has its own particular characteristics relating to water flow, velocity, and quantity.

View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand.

Hydrocarbons, although requiring increasingly responsible use, are still an essential part of our modern economy. NIWA has provided survey and consultancy services related to the exploration of offshore mineral resources for thirty years.

Some simple steps to minimise the effects of aquaculture activities on water quality and mahinga kai.

Few New Zealand lakes retain their indigenous vegetation, and the condition of many lakes is under threat from land-use changes and the invasion of alien aquatic plants.

Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant.

The High Performance Computing Facility (HPCF) is supercharging New Zealand science.

Waterways can easily become contaminated by pathogens when effluent is discharged nearby.

Technical information about our datasets and methodology along with related resources.