Position: Former Research Scientist, NIWA. Currently Expedition leader Field: Atmospheric chemistry Dr Katja Riedel was a research scientist with NIWA and, at present, is based in Wellington. She ...
NIWA’s research vessel the Tangaroa went on an 8-week voyage to the Ross Sea to survey the marine environment and explore biodiversity in the region. The journey from February until mid-March ...
One implication of climate change is sea level rise. Sea level is the average height of the ocean relative to the land, between the high and low tides. The rising global temperature is causing ...
In this activity, students look at what happens when hot and cold water meet. By the end of this activity, students should be able to: discuss how temperature affects the density of water discuss ...
Cold water is denser than warm water, so it tends to sink. Seawater is denser than freshwater. Salinity, temperature and depth all affect the density of seawater. The ocean has a complex ...
Marine stressors can come from natural, unexpected events such as erosion from an earthquake or slip, but many stressors are linked to human activities. Most marine ecosystems are resilient, but ...
Help scientists establish valuable baseline data about the numbers, locations, habits and health of penguins in a range of Southern Ocean sites. This information will enable better understanding ...
Weddell seals and orca are among the top predators in the Ross Sea region of Antarctica, and more than half of the Weddell seal population can be found in the Ross Sea. Information about changes ...
Kelp forests are one of the most biodiverse habitats on Earth. Every nook and cranny is jam-packed with life! This citizen science project wants to understand more about how kelp forests grow and ...
There are many marine classroom activities and resources on the Science Learning Hub useful for Seaweek 2015. This online PD session recorded on 19 February 2015 shows primary and secondary ...
Seaweek is New Zealand’s annual national week about the sea. It is coordinated by the Sir Peter Blake Marine Education and Recreation Centre (MERC) and includes a wide range of events ...
Do you need resources for Seaweek? Are you planning a science unit on the sea? In this online PD session recorded on 18 February 2016, PD provider and teacher Barb Ryan explores some of the ...
Stacey Mulgrew, the Land Information representative gives a tour of the ship. Stacey starts on deck and explains the decks of the ship using the ship’s deck plans. She shows where one of the ...
Dr Katja Riedel of NIWA explains why she enjoys her research in Antarctica and what fascinates her about this place.
Dr Katja Riedel of NIWA explains how she became an atmospheric chemist and why she is so enthusiastic about her career.
This short slideshow shows some of the animals found in the Antarctic benthic zone. Use the Slideshow menu for further options, including view full screen, and go here for the download option.
Water in the Earth system is influencing all aspects of life on Earth. Pathways, storage, transfers and transformations have an effect on the global climate and human welfare. Within this ...
This interactive groups Hub resources into key science and teaching concepts. The article Climate change resources – planning pathways provides pedagogical advice and links to the New Zealand ...
