Category: Research briefs
Research brief: accuracy of ground and satellite measurements For Precipitation evaluated
In this study, CLEX researchers aimed to evaluate the effect of different sources of data and the uncertainties in satellite data, by comparing the data with a ground-based radar product using both location-based and storm-based approaches.
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Research brief: How internal waves drive mixing in the Southern Ocean
Major gaps exist in our understanding of the pathways between the generation and the breaking of internal waves in the Southern Ocean. This has important implications for the distribution of internal wave-driven turbulent mixing, for the sensitivity of ocean mixing rates, and for the representation of ocean mixing in numerical models.
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Research brief: How sudden stratospheric warming is useful for weather prediction
Recent studies have debated whether the two types of sudden stratospheric warming – displacement events when the vortex is displaced off the Pole and split events when the vortex splits into two smaller vortices – have differing near-surface impacts.
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Research brief: Researchers construct oldest daily climate dataset for Perth
CLEX researchers have constructed the oldest daily historical climate dataset for Perth, southwestern Australia, to provide an extended record for analysing pre‐industrial climate variability and extremes for the region.
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Research brief: An assessment of global fire-vegetation models
An international team of researchers performed a systematic evaluation of simulations made by nine FireMIP models in order to quantify their ability to reproduce a range of fire and vegetation benchmarks.
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Research brief: El Niño variations have little impact on terrestrial carbon cycle
Different expressions of El Niño do affect interannual variability in the terrestrial carbon cycle. However, the effect over longer timescales is small. This means the changing frequency of these two types of El Niño events may be of little importance in terms of robustly simulating the future terrestrial carbon cycle.
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Research brief: What generates flash droughts in climate models?
Until now, flash drought research has been on the regional scale and has been limited to observations and reanalyses. CLEX researchers have been the first to examine flash drought in climate models.
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Research brief: Latrobe Valley soil contamination some of the worst in the world
Researchers report gaseous elemental mercury observations from Churchill, in the heart of the Latrobe Valley’s coal power generation fleet from June of 2013. Mercury values both day and night were significantly higher than the Southern Hemispheric average values.
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Research brief: Extreme events in SE Australia to increase in frequency by 2100
This paper used statistical techniques to investigate changes in extreme climate events that currently occur, on average, only once every 20 years. These techniques are applied to data related to heat, rainfall, drought and conditions conducive to bushfires and thunderstorms from detailed climate modelling commissioned by NSW and ACT Governments.
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Research brief: What causes the world’s deepest low-pressure system
In this study, researchers combine techniques from climate modelling and aircraft aerodynamics software to uncover mechanisms responsible for generating the Amundsen Sea Low pressure near Antarctica.
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Research brief: The mystery of vertical mixing in the eastern Pacific cold tongue
In this study, the researchers used a high-resolution numerical simulation of the cold tongue region to show that strong turbulent mixing occurs not only on the Equator, but also off the Equator on the edge of the cold tongue associated with passing energetic oceanic waves with periods of 15-40 days known as Tropical Instability Waves.
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Research brief: How Central Pacific El Niños affect rainfall over the Murray Darling basin
This research around central Pacific El Niños is important for agricultural and water resources planning efforts in the Murray Darling Basin region and may help with seasonal prediction efforts to predict drought‐breaking rain such as occurred in early 2020.
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Research Briefs
Research brief: accuracy of ground and satellite measurements For Precipitation evaluated
Research brief: How internal waves drive mixing in the Southern Ocean
Research brief: How sudden stratospheric warming is useful for weather prediction
Research brief: Researchers construct oldest daily climate dataset for Perth