The 3-panel Soil Moisture Deficit (SMD) map shows the historical soil moisture deficit at the date shown (left), the soil moisture deficit at the same time last year (middle) and the current soil ...

How healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out. NIWA’s Stream Health Monitoring Assessment Kit (SHMAK) gives ...

Anyone can use the tool and provide data by using the survey available in the NIWA Citizen Science app. The survey/app provides a standardized way to record data on the characteristics of instream ...

NIWA has been awarded $10.2m to eradicate an invasive clam that was only recently discovered in New Zealand waters. The freshwater gold clam, or Corbicula fluminea, is native to eastern and southeast ...

There is a 60% chance that La Niña will develop by the end of December. Tropical Pacific trade winds will continue to nudge the ocean in a La Niña-like direction. An alternative measure of central ...

Please choose in which format you would like to download the dataset, below.

Please choose in which format you would like to download the dataset, below.

The development of updated national climate projections for Aotearoa New Zealand was completed in mid 2024. The data is available from the Ministry for the Environment (MfE) here. In the coming months ...

Clive is an aquatic ecologist with more than 35 years of experience, specialising in freshwater and estuarine water quality and aquatic ecosystem processes. His expertise results from research in a ...

Mark is a career industrial marketer. He has led the marketing, technology transfer, and business development effort for a number of industrial firms in a range of industry sectors in New Zealand and ...

We can supply a wide range of weather or climate monitoring instruments from single parameter sensors to fully equipped and installed climate stations. NIWA operates over a hundred Electronic Weather ...

NIWA's state of the art Stable Isotope Mass Spectrometry (IRMS) facility supports our research and commercial analyses, providing tailor-made solutions for various environmental and atmospheric ...