Go to the east coast of the North Island, and the climate will be about 1.2 degrees Celsius warmer, on average, than at the same latitude on the west coast.
The reason: subtropical water brought across the Tasman Sea on an ocean current known as the Tasman Front. It’s an extension of the East Australian Current – the playground of surfing sea turtles in the movie, Finding Nemo.
NIWA’s research vessel Tangaroa leaves Wellington tomorrow tonight for the Southern Ocean on one of New Zealand’s largest oceanographic research surveys. The 30 scientists on board, from 17 organisations in 6 countries, will study how the ocean controls climate through the uptake and release of crucial greenhouse gases such as carbon dioxide.
A New Zealand research vessel will set sail from Wellington Harbour this Sunday bound for Chile as part of a major international project to understand and predict the phenomena influencing the world’s climate.
Scientists thought they had seen the last of a drifter buoy lost during an experiment in the Southern Ocean in 1999. But to their amazement, the buoy has turned up halfway around the world in the Falkland Islands – albeit looking a little worse for wear.
New Zealand’s marine and freshwater environments are extremely important for our economic and social welfare, but they are under constant pressure from human uses and introductions of new invasive species.
There are more than 150 exotic marine species in New Zealand’s coastal waters already, and at least one new species arrives every year according to a report in NIWA’s new Aquatic Biodiversity & Biosecurity newsletter, published today.
A NIWA research voyage using RV Tangaroa has returned to Auckland on Thursday, 2 May, after three weeks of frontier mapping of undiscovered volcanoes between the North Island and the Kermadec Islands 1000 km to the north of New Zealand. Prior to the voyage little was known about this segment of the Pacific “Ring of Fire”.