Atmospheric analysis

A monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months.

How do nutrients from wastewater treatment enter waterways?

The Standardised Precipitation Index (SPI) is a simple measure of drought (and also of very wet conditions) and is based solely on the accumulated precipitation for a given time period.

Plants and trees along the water margins and banks are called riparian vegetation.

Hydro-electricity is a renewable energy source that relies on the inflow of water into storage lakes upstream of a dam.

These datasets are available in a range of formats.

Submerged plants have a number of advantages that favour their use as indicators of lake ecological condition.

Plots of UV levels throughout the day at different locations.

A regional climatology is a summary of the typical weather and climate of a region, based on historical data observations made at climate stations located within the region.

Atlantis is a 3D, spatially-explicit, trophodynamic ecosystem model that integrates biology, physics, chemistry and human impacts to provide a synoptic view of marine ecosystem function.

Scott Base, Antarctica Antarctica is the coldest, windiest and driest continent.

New Zealand has low-lying coastal areas that are vulnerable to inundation (flooding) by the sea.