Sediments

Latest news

A NIWA scientist who spent years poring over handwritten scientific notes stored in about 50 large wooden drawers, has seen the fruits of her labour now being used in ways she never imagined.

The return of the upgraded RV Tangaroa represents a huge advancement for New Zealand science and exploration

NIWA today welcomed home RV Tangaroa, New Zealand’s only deepwater research vessel, after a $20 million dollar upgrade to enhance its ocean science and survey capabilities.

Our work

NIWA has developed an Urban Stormwater Contaminant (USC) model to enable urban planners to predict sedimentation and heavy metal accumulation in estuaries and identify problem areas in order to target mitigation measures.

Understanding how material released into the ocean spreads is very important in the case of oil spills, sediment transport and the release of invasive species. 

Latest videos

Recording underwater biodiversity after earthquakes

NIWA’s marine ecologist Dr Dave Bowden talks about the catastrophic changes to the seafloor in the Kaikoura Canyon following the November 2016 earthquake.

Earthquake's unseen impact

NIWA scientists on board RV Ikatere have been surveying the coastal area around Kaikoura for the first time since November's magnitude 7.8 earthquake in 2016. Their work has revealed significant changes to the sea floor...

Freshwater Update 80 brings you the latest information from our Freshwater & Estuaries Centre, with articles that cross a broad spectrum of freshwater research. This edition has articles about the sources of plastics in our waterways, the discovery of long-lost lake plant species and a breakthrough in research about freshwater mussels/kākahi.

Freshwater Update 79 brings you the latest information from our Freshwater & Estuaries Centre, with articles ranging from NIWA working with NASA; restoring a stream catchment in Kaikōura; looking after urban water; keeping soil and reducing sedimentation; to culling catfish.

A NIWA scientist who spent years poring over handwritten scientific notes stored in about 50 large wooden drawers, has seen the fruits of her labour now being used in ways she never imagined.

Compound Specific Stable Isotope tracing of sediment sources - tools to manage a sticky problem in New Zealand’s freshwaters and estuaries

Fine sediment is New Zealand’s most widespread water contaminant, degrading ecosystems, infilling dams and reservoirs and impairing recreational, cultural and aesthetic values in our rivers, estuaries and coastal seas.
Recording underwater biodiversity after earthquakes

NIWA’s marine ecologist Dr Dave Bowden talks about the catastrophic changes to the seafloor in the Kaikoura Canyon following the November 2016 earthquake.

Earthquake's unseen impact

NIWA scientists on board RV Ikatere have been surveying the coastal area around Kaikoura for the first time since November's magnitude 7.8 earthquake in 2016. Their work has revealed significant changes to the sea floor...

A list of current voyage reports in downloadable formats.

Understanding how material released into the ocean spreads is very important in the case of oil spills, sediment transport and the release of invasive species. 

Welcome to Freshwater Update 54. This issue features some of the latest work from our Freshwater and Estuaries teams, Water Quality maps and information and  River flow maps for Autumn.

Latest news from the centre includes: Float your boat! Scientists use hi-tech miniature Q-boat to measure river flows 

Welcome to this special edition of  Natural Hazards Update, highlighting the Shallow Survey 2012.

Welcome to this special edition of Coasts Update, highlighting the Shallow Survey 2012.

Welcome to NIWA's third Alumni Update – an e-newsletter for past NIWA employees.

The return of the upgraded RV Tangaroa represents a huge advancement for New Zealand science and exploration

NIWA today welcomed home RV Tangaroa, New Zealand’s only deepwater research vessel, after a $20 million dollar upgrade to enhance its ocean science and survey capabilities.

Welcome to NIWA's second Alumni Update – an e-newsletter for past NIWA employees.

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All staff working on this subject

Principal Scientist - Coastal and Estuarine Physical Processes
Hydro-ecological Modeller
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Land and Water Scientist
Principal Scientist - Marine Geology
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Principal Scientist - Marine Ecology
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Marine Sedimentologist
General Manager - Operations
Principal Scientist - Coastal and Estuarine Physical Processes
Principal Scientist - Aquatic Pollution
Environmental Monitoring Technician
Hydrodynamics Scientist
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Principal Technician - Marine Geology
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