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      • Kim Reid’s PhD blog
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Modelling

  • Research Brief: Seasonal and Interannual Variability of the Weddell Gyre

    Research Brief: Seasonal and Interannual Variability of the Weddell Gyre

    The Weddell Gyre, located east of the Antarctic Peninsula, is one of the largest features of the ocean circulation of the Southern Hemisphere. A deeper understanding of the dynamics in this remote region will shed light on the role of the gyre in our present climate and help us understand its potential evolution with climate change.

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    1 November 2021
  • Research brief: Ekman Streamfunction a strong indicator of overturning circulation strength & variability

    Research brief: Ekman Streamfunction a strong indicator of overturning circulation strength & variability

    CLEX researchers used a state-of-the-art global ocean-sea-ice model to directly measure the overturning circulation, and through this to examine the relationship between the Ekman Streamfunction and the Southern Ocean overturning circulation.

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    7 October 2021
  • Can the ocean’s intrinsic dynamics feedback on the atmosphere?

    Can the ocean’s intrinsic dynamics feedback on the atmosphere?

    The ocean’s much larger heat capacity acts as “memory” suppressing the atmosphere’s “high-frequency variability” (over time scales of weeks) while producing oceanic motions that vary over longer time scales. This paradigm aims to explain how low-frequency variability emerges in the ocean. But, recently, this paradigm has been challenged.

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    17 August 2021
  • Research brief: Drones used to map thunderstorms

    Research brief: Drones used to map thunderstorms

    The overarching goal of the Colorado State University Convective CLoud Outflows and UpDrafts Experiment (C3LOUD-Ex) was to enhance our understanding of deep convective storm processes and how they are represented in numerical models. Pivotal to the experiment was a novel “Flying Curtain” strategy.

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    16 July 2021
  • Research brief: Urban heat island effect amplifies Sydney heatwaves

    Research brief: Urban heat island effect amplifies Sydney heatwaves

    This research uses Sydney, Australia’s largest city, as a test case for our new configuration of the Weather and Research Forecasting model run at a very high resolution of 800 m with a new urban classification scheme that describes the complexity of Sydney’s built environment.

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    14 July 2021
  • Research brief: New Julia package solves geophysical fluid dynamics problems

    Research brief: New Julia package solves geophysical fluid dynamics problems

    CLEX researcher Navid Constantinou and collaborators developed GeophysicalFlows.jl, a Julia package that provides solvers for geophysical fluid dynamics problems in periodic domains.

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    17 June 2021
  • Research brief: An assessment of global fire-vegetation models

    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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    30 April 2021
  • Research brief: Extreme events in SE Australia to increase in frequency by 2100

    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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    25 March 2021
  • Research brief: ACCESS1 outperforms POAMA forecasting SPCZ

    Research brief: ACCESS1 outperforms POAMA forecasting SPCZ

    The researchers analysed the performance of the ACCESSS1 seasonal forecast model to predict the SPCZ position and rainfall over the period 1990-2012. ACCESSS1 performed better in simulating the SPCZ than the previous model, POAMA.

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    10 February 2021
  • Research brief: Southern ocean overturning circulation responds to SAM

    Research brief: Southern ocean overturning circulation responds to SAM

    CLEX researchers introduced a novel methodology to examine the Southern Ocean’s response to changing winds. They performed numerical simulations with a global ocean‐sea ice model suite that spans a hierarchy of spatial resolutions and driven by realistic atmospheric forcing conditions.

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    15 January 2021

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