Atmospheric analysis

Ocean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere.

NIWA's High Intensity Rainfall Design System (HIRDS) offers planners and engineers more certainty about the frequency of high-intensity rainfall events, enabling them to better design stormwater drainage, flood defence systems and other vital structures.

Instream barriers and diversions alter the natural flow of rivers, streams, and lakes.

We recognise that there's so much more to life than just work!

Dry stock farms can cover large areas of hill-country grassland that may be steep and prone to erosion.

Presented papers, arranged by workshop programme.

Up-to-date drought indicator maps are shown here.

How do I create a graph?
Using Microsoft® Excel is easy because the Chart Wizard does all the work for you!
Simply enter the data for your data table.
Highlight the cells you want to graph.
Click on the Chart Wizard icon on the Tool Bar.
Select the chart type you want to use and click Next.
Click Next to confirm the range of cells.
Give your graph a title, label x- and y-axis and click Next.
Click on the gridlines tab to remove or add gridlines.
Click Finish and graph is complete!
Help, my graph is too small!
When the chart wizard creates your graph it will probably be too smal

One of the major consequences of climate change is rising global sea levels.

The UV Index is a measure of the intensity of UV radiation. The UV Index supersedes the idea of "Time to Burn" or "Burn Time", which has been used previously in New Zealand.