Coasts

NIWA is part of a multi-agency biosecurity response to an invasive seaweed discovered at Aotea Great Barrier Island and subsequently at Ahuahu Great Mercury Island.

For the first time, satellites have been used to track coastal water health around Aotearoa New Zealand.

NIWA and Surf Life Saving New Zealand are working together to develop a state-of-the-art, rip current identification tool underpinned by artificial intelligence (AI) and deep learning technologies.

Estuaries are coastal waterbodies where freshwater mixes with seawater. Many estuaries in Aotearoa New Zealand have been impacted by pollutants and contaminants entering via freshwater.

The tiny ear bone of a fish holds a wealth of information. Gather enough and you get a snapshot of what’s happening beneath the waves. Stuart Mackay explains.

High-resolution mapping has produced the first ever global estimates of coastal habitat damage caused by anchoring.

Greater Wellington Regional Council regularly assess sediment quality and seafloor community health in the subtidal areas of Te Awarua-o-Porirua (Porirua Harbour) and Te Whanganui-a-Tara (Wellington Harbour).

NIWA is contributing to an international effort to help developing countries reduce the impact of biofouling on aquatic-based industries and environments.

NIWA and University of Auckland masters student Georgia Third is getting up close and personal with snapper guts and teeth to understand the differences between biologically distinct snapper populations in New Zealand.

Tangaroa is now 100 km south-west of Hunga Tonga - Hunga Ha’apai volcano (HT-HH), surveying in 2,440 m of water in the Lau Trough.

You’ll be blown away by what these women in science are up to onboard this RV Tangaroa voyage to the Tasman Sea.

NIWA and The Nippon Foundation are undertaking a mission to discover the undersea impacts of the recent Tongan volcanic eruption.