Coasts

Latest news

New NIWA-led research shows increasing flood risk is going to be what leads people to make changes to adapt to sea-level rise.
With cascading waterfalls and native bush tumbling down mountainous terrain, Fiordland is one of the most eye-catching parts of the country. But peer beneath the waves and you'll see that Fiordland's marine invertebrate and seaweed communities are every bit as remarkable and awe-inspiring.
A project is under way to determine whether Aotearoa New Zealand’s long defunct rock oyster industry can be revived.
A pilot study carried out by NIWA and the University of Auckland has found microplastics in samples collected from the seafloor in the Marlborough Sounds.

Our work

We need information on the food web structures of our marine ecosystems in order to manage the effects on the ecosystem of fishing, aquaculture and mining, as well as understanding the potential impacts of climate variability and change on our oceans. 

NIWA is looking for people who have had a long association with the Hauraki Gulf or Marlborough Sounds to help them with a research project on juvenile fish habitats.

NIWA is developing guidelines and advice to help coastal communities adapt to climate change.

Most of the plastic in the ocean originates on land, being carried to the estuaries and coasts by rivers. Managing this plastic on land before it reaches the river could be the key to stemming the tide of marine-bound plastics. The aim of this project is to understand the sources and fate of plastic pollution carried by urban rivers using the Kaiwharawhara Stream as a case study.

Latest videos

Dive into the alien world of plankton in the Ross Sea

Plankton are the base of the oceans food web and are vital to our survival. But as our world changes will they be able to continue to play this essential role? Join us as we follow a group of NIWA scientists investigating various aspects of this question in the ocean around Antarctica.

Shifting Sands - Tsunami hazard off Kaikoura, NZ

Dr Joshu Mountjoy discusses NIWA's work in assessing the tsunami hazard just south of Kaikoura. 

Find out more about this research. 

Antarctic Coastal Marine Life in a Changing Climate

NIWA marine ecologist Dr Vonda Cummings discusses the likely effects of climate change on marine invertebrates living on the seafloor of the Ross Sea coast.

Next Stop Antarctica

Our Far South is an expedition that aims to raise New Zealanders' awareness of the area south of Stewart Island. Gareth Morgan, Te Radar, scientists and 50 everyday Kiwis are onboard to learn and then share their experience. This is the first video produced by them, showing some of the highlights of the trip so far.

Welcome to the latest edition of Coasts Update. Here we bring you news of some of NIWA's latest research on aspects of coastal ecology, and the possible impacts of climate change on one of our coastal communities.

This measures rain by the drop as well as by the tradional 'tip'. We can configure it either with an SDI12 serial data interface or an integral logger with cellular communications.

A self-contained telemetered inshore buoy capable of being equipped with a wide range of marine sensors.

Many of New Zealand's rivers fail to meet national guidelines for nutrient levels. NIWA has developed the Catchment Land Use & Environmental Sustainability (CLUES) estuary tool to predict the effects of land use on estuarine nutrient concentrations.

NIWA is developing guidelines and advice to help coastal communities adapt to climate change.

NIWA is working on a ministry-funded project to produce a model, validated by 40 years of historic data, to project future wave and storm surges off the coast for two climate change scenarios.

We are investigating the potential effects of the Antarctic toothfish fishery on the species’ predators by trying to understand how significant a prey toothfish are for seals and whales in the Ross Sea.

We are investigating the effects of the Ross Sea toothfish fishery on prey by looking at what the species eat and trying to understand the biology and ecology of these fish.

Here we provide a detailed summary of key outcomes from the Sustainable Aquaculture programme to 30 June 2009.

In this issue we bring you news of recently completed research on: Tauranga Harbour sediments, the Separation Point fishing exclusion zone, the Bay of Islands Coastal Survey, and mapping coastal environmental values.

NIWA’s Beach Profile Analysis Toolbox (BPAT) has been developed to provide an easy to use, integrated package for the input, quality checking, analysis and archiving of beach datasets.

The High Performance Computing Facility (HPCF) is supercharging New Zealand science—powering scientists working at the forefront of New Zealand’s greatest science challenges.

For many of us, summer isn’t summer without getting some sand between our toes. But did you ever wonder what that sand is made of, and how it got there?

About tidal energy in the Cook Straight.

Our Quality Management System is our commitment to quality, productivity, consistency and customer satisfaction.

NIWA holds ISO9001:2015 certification.

The Instrument Systems group is located at NIWA in Christchurch, New Zealand. Our 16 staff have a diverse range of technical, engineering and science skills, and we have extended capability from being part of a wider team.

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All staff working on this subject

Principal Scientist - Ecosystem Modelling
Principal Scientist - Marine Ecology
Regional Manager - Nelson
Hydrodynamics Scientist
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Strategy Manager - Coasts & Estuaries
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Principal Scientist - Marine Ecology
Senior Regional Manager - Wellington
Strategy Manager - Oceans
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Marine Invertebrate Systematist
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Coastal and Estuarine Physical Processes Scientist
Principal Scientist - Marine Ecology
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Physical Oceanographer
Principal Scientist - Coastal and Estuarine Physical Processes
Fisheries Scientist
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Coastal Technician
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Marine Ecology Technician
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