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.
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This paper shows that many models overestimate the interaction between hot and dry conditions in wet regions and therefore overamplify heat extremes. The study points to necessary model improvement to increase confidence in future projections of heat extremes.
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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.
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A new study by CLEX researchers using observations from FLUXNET sites identifies regions of high and low predictability and will likely help improve land surface model evaluation.
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This research suggests some trees and in particular, Australian trees, may be more resilient than expected to future warming and extreme events. These findings have implications for planning around which species to plant in “green cities” to help mitigate future climate extremes.
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Asthmatics and those affected by polluted environments living around major cities along Australia’s east coast could find life much harder over the next 50 years as stronger inversion layers caused by climate change trap more pollution.
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Centre of Excellence researchers have identified 12 marine heatwave types off the east coast of Tasmania, a location recognised as a global warming hotspot. Here the average sea surface temperatures here have been rising at four times the global average and trends in marine heatwaves are showing significant increases in number.
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An international study in Nature Communications co-authored by researchers from the ARC Centre of Excellence for Climate Extremes (CLEX) and the Institute of Marine and Antarctic Studies (IMAS) reveals globally marine heatwaves have increased over the past century in number, length and intensity as a direct result of warming oceans.
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New research published in Nature Geoscience has found that climate engineering that modifies the properties of the land surface in highly populated areas and agricultural areas over North America, Europe and Asia could reduce extreme temperatures there by up to 2-3°C.
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The reduction in growth of plants restricted by limitations on nutrients, temperature and/or water stress, didn’t just reduce photosynthesis but led to negative feedbacks in plant carbon balance processes.
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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
