Coasts

NIWA aims to provide the knowledge needed for the sound environmental management of our marine resources.

  • Satellites reveal NZ’s coastal health

    Media release
    For the first time, satellites have been used to track coastal water health around Aotearoa New Zealand.
  • Identifying rip currents using artificial intelligence

    Research Project
    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.
  • Ki uta ki tai: NIWA’s role in mountains-to-sea estuarine management

    Media release
    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.
  • What’s in a fish’s ear?

    Feature story
    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.
  • Anchors cause “extensive, persistent” damage to seafloor

    Media release
    High-resolution mapping has produced the first ever global estimates of coastal habitat damage caused by anchoring.
  • Survey provides snapshot of harbour’s health

    News article
    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).
  • Guide explores the benefits of combating marine biofouling

    News article
    NIWA is contributing to an international effort to help developing countries reduce the impact of biofouling on aquatic-based industries and environments.
  • Open wide: snapper teeth secrets

    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.
  • Voyage update - 29 April

    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.
  • Hazards in the Tasman Sea

    You’ll be blown away by what these women in science are up to onboard this RV Tangaroa voyage to the Tasman Sea.
  • NIWA-Nippon Seabed Mapping Project a “rare opportunity” to study effects of Tonga eruption

    Media release
    NIWA and The Nippon Foundation are undertaking a mission to discover the undersea impacts of the recent Tongan volcanic eruption.
  • Microplastics: a deeper problem than we thought?

    There is increasing global concern about the presence of plastic pollution in our oceans.