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Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O2) dissolved in water.

In comparison with regions exposed to the west, Gisborne experiences a greater number of weather and climatic extremes.

National climate maps

The process of coming to work with us has five steps: applying, a phone interview, a face to face interview, background checks, and an offer.

NIWA has recently created synthetic, multi-year, 10-minute wind datasets at 15 wind farm sites across New Zealand. These will be used by the Electricity Commission to model the impact of wind farms on the national grid.

Maps of the average first and last dates of soil moisture deficit are shown here.

Dry stock farming consists predominantly of pasture grazing beef cattle, sheep, and deer for meat, wool, and velvet production.

Check out UV index forecasts for locations in New Zealand (including ski fields), Australia, the Pacific and Antarctica.

Management of stream riparian areas - including vegetation and stock access - influences the health of streams and downstream water bodies.