Atmospheric analysis

The 2012-2013 drought affected the entire North Island plus the west coast of the South Island.

We have prepared a breakdown of the different guidelines that are available for sampling freshwater fisheries. The overview provides links to key documents that explain what should be considered when designing fish monitoring studies and how to implement the various sampling techniques.

Water clarity or turbidity is the cloudiness or haziness in a fluid caused by individual small particles (suspended solids).

An interactive guide to the sponges of New Zealand.

Impacts of hydro-electric activities on water quality and mahinga kai.

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere.

NIWA provides ambient air quality monitoring services using low-cost ODIN (Outdoor Dust Information Node) sensors.

Commercial eel fishery in New Zealand began in earnest in the 1960s and expanded rapidly until the early 1970s

CFCs have damaged the ozone layer and led to higher UV levels and increased health risks. Our role is to understand the causes and effects of ozone depletion, to inform the public of the risk.

Diverting water away from its natural channel for commercial or private use.

How does urbanisation increase sediments in waterways?

We provide an overview of New Zealand climate data for use in school projects.