Urban Climate and Energy Model (UCLEM) is a new climate model focused on Australian conditions that integrates energy use and human behaviour to generate accurate representations of urban climates.
An international group of scientists has now forecast the likelihood global warming will exceed 1.5C over the next 5 years. This is one of the thresholds of the UNFCCC’s Paris Agreement, which aims “to strengthen the global response to the threat of climate change by keeping a global temperature rise this century well below 2°C above pre-industrial levels and to pursue efforts to limit the temperature increase even further to 1.5°C”.
Andreas Oschlies (GEOMAR Helmholtz Centre for Ocean Research). Oceanic anoxic events have been associated with warm climates in Earth history, and there are concerns that current ocean deoxygenation may eventually lead to anoxia. On the contrary, results of a multi-millennial global-warming simulation reveal, after a transitory deoxygenation, a marine oxygen inventory 6% higher than preindustrial despite an average 3°C ocean warming. The initial, centennial-scale ~20% decline of oxygen is consistent with earlier studies and reflects changes in solubility and ocean... View Article
Deep ocean reefs are likely to transform with global warming bringing together species from temperate and tropical waters that may have never coexisted before, according to new research published in Nature Climate Change.
CLEX researchers find that ocean sea-ice models generally agreed on changes to average yearly cycle of freeze and melt in Antarctica, with dynamic processes dominating the sea ice edge and thermodynamic processes dominating the interior of the sea ice pack. However, the models disagreed about the trends of sea ice volume.
An unusually strong East Australian Current extension leads to an increased probability of marine heatwave days around Tasmania. Conversely, a strong Zeehan Current during these seasons decreased the probability of marine heatwave days in this region.
Heat waves are the deadliest natural hazard in Australia. Motivated by the prediction that the number of extremely hot days in subtropical Australia will increase in a warmer climate, this study aims to develop a comprehensive picture of the processes leading to extreme temperatures.
Climate change is affecting weather patterns in many locations. In East Africa, changing rainfall would challenge the livelihoods of farmers. However, perceptions of local farmers and data from local weather stations differ. Is rainfall changing? How can we understand these two important information sources?
Heatwaves have increased in their intensity, frequency and duration. It is now well-established that heatwaves are not stand-alone events, but occur in the presence of other extremes, such as, droughts, extremely high atmospheric pressure, or teleconnections to other atmospheric phenomena. The PhD will undertake a novel examination of the attribution of heatwaves, coincident with other plausible extreme events.
This paper examined the likelihood of extreme marine heatwaves global using climate models simulations, with and without anthropogenic influences, concluding that these events were up to fifty times more likely due to anthropogenic climate change.