Atmospheric analysis

Across the North Island, soil moisture levels generally changed little during the past week. In the South Island, increases were observed along most of the West Coast, interior Otago, and Marlborough Sounds, while decreases occurred in Stewart Island.

A newly formed partnership between Asthma and Respiratory Foundation NZ and NIWA aims to provide the latest air quality research to over 700,000 people living with respiratory conditions in New Zealand.

Across the North Island, soil moisture levels decreased in big parts of the island during the past week due to meagre rainfall. In the South Island, soil moisture decreases were observed across much of the island.

Links to related sites

Instructions for using Nalgene Storm Water Sampler bottles and DGTs.

The guidance manual provides methods for sampling urban streams and stormwater

Video guides for installing the Nalgene Bottles and DGT's

Water quality in urban streams and stormwater systems is frequently poor and highly variable, across both space and time. Traditional monthly grab sampling is rarely adequate to characterise contaminant concentrations during wet weather events.

An increase in soil moisture in many areas across the North Island, including Northland, Auckland, Waikato, eastern Bay of Plenty, Gisborne, and Taranaki. No significant change in the South Island. Outlook is for low to moderate rainfall, countrywide.

NIWA today released its March Climate Summary which confirms temperatures during the first month of autumn were at record highs in many places.

Foreign marine pests can threaten our marine life and it’s important to find them early before they can set up home here.

The tiny inanga have been plucked from Waikato streams and held in a darkened laboratory for the last month, undertaking highly advanced testing to find the strongest, fittest and fastest fish.