A new online tool that identifies areas at risk from groundwater flooding has been developed by New Zealand scientists. Groundwater flooding occurs when the water table rises close to the surface, ...

Probabilities are assigned in three categories: above average, near average, and below average. Temperatures are very likely to be above average (60% chance). Rainfall totals are about equally likely ...

A team of NIWA freshwater ecologists have completed their research on the use of biodegradable plant mats as life rafts to help reintroduce native aquatic plants to degraded freshwater lakes. The ...

New Zealand could face twice as many of the most extreme atmospheric rivers by the end of the century, according to new research. Not only could the narrow bands of concentrated water vapour increase, ...

NIWA freshwater scientists have launched a groundbreaking initiative that is transforming mapping of freshwater environments. The team of hydro-ecological modellers have developed digital networks ...

The ocean and atmosphere remain in a weak La Niña state, primarily focused on the central Pacific (i.e., La Niña “Modoki”). However, there is a 75% chance that ENSO-neutral conditions will emerge ...

Sea life in the seafloor of New Zealand’s most productive and important commercial fishing ground shows resilience to disturbance, according to a new study published in the New Zealand Journal of ...

New research by NIWA scientists suggests environmental targets for managing fine sediment in rivers may need to be revised to better account for the impacts of climate change. Currently, attribute ...

Freshwater Update 92 brings you the latest information from NIWA's Freshwater Centre.