Gabriela Pilo and colleagues find that the Tasman Front is not so much a constant current, as is widely accepted, but switches between being an extension of the East Australian Current and an eddy field.
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Indian Ocean convection caused a powerful planetary wave that led to a drought in South America and a marine heatwave in the South Atlantic that lasted for months.
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Winter storms over the Arctic leave a legacy that breaks up the ice, melts it from beneath and has led to constant ongoing decline in old ice that far exceeds the period of the storm itself.
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Antarctic sea ice had been growing in area since 1979, despite the influence of global warming. Then unexpectedly in the austral spring of 2016, there was a rapid decline. CLEX researchers used multiple runs of a coupled ocean-atmosphere climate model to investigate whether these distant influences played a role and, if so, the level of the contribution to the sea-ice decline.
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Using novel ocean glider technology, a team of researchers from France, Norway, and Australia observed small eddy-like lenses of cold water in July 2017 along the western Svalbard shelf in the Arctic.
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CLEX researchers find strong correlation between ozone hole size and Australian summer temperatures. While there is no causal link between the two, the changes are driven by the same source – ocean temperatures.
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Natural variability has been found to play a role in the speed of warming of land surface temperatures. With indications that the negative Interdecadal Pacific Oscillation is now becoming positive, this suggests that the hiatus period is over and we are likely entering a phase of accelerated warming of global surface air temperatures.
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New research confirms the long-term cooling over Antarctica during the last millennium and the delayed onset of anthropogenic warming are found in simulations that assimilate palaeoclimate data. This is not evident in simulations without data assimilation.
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This study employs a new statistical approach to reconstructing ENSO which enables researchers to identify times in the past when palaeo-ENSO reconstructions are most robust. They found that ENSO reconstructions are most reliable from 1580-1700, and from 1825 to present.
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CLEX researchers present a new method to examine seasonal variations in the global wave climate that accounts for the full directional wave spectra and includes wave systems with different frequencies and directions separately.
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Dr Mandy Freund and CLEX colleagues have produced a world first 400-year long record of El Niño activity. It’s a record that was previously considered impossible to extract from coral cores.
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CLEX researchers and colleagues discovered which species are most important in transferring climate change impacts through the ecosystem using a model that simulated the southeast Australian ecosystem through to 2050.
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Research brief: How heat in the Indian Ocean moves between the ocean and atmosphere
Research brief: Wind changes over the Southern Ocean impact its capacity to take up carbon and heat
Research brief: Future directions for the Indian Ocean Observing System
Research brief: Tagged seals unlock secrets of eddy driven transport in Antarctica
