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Evaluation of the regional climate response in Australia to large-scale climate modes in the historical NARCliM simulations

Abstract : NARCliM (New South Wales (NSW)/Australian Capital Territory (ACT) Regional Climate Modelling project) is a regional climate modeling project for the Australian area. It is providing a comprehensive dynamically downscaled climate dataset for the CORDEX-AustralAsia region at 50-km resolution, and south-East Australia at a resolution of 10 km. The first phase of NARCliM produced 60-year long reanalysis driven regional simulations to allow evaluation of the regional model performance. This long control period (1950-2009) was used so that the model ability to capture the impact of large scale climate modes on Australian climate could be examined. Simulations are evaluated using a gridded observational dataset. Results show that using model independence as a criteria for choosing atmospheric model configuration from different possible sets of parameterizations may contribute to the regional climate models having different overall biases. The regional models generally capture the regional climate response to large-scale modes better than the driving reanalysis, though no regional model improves on all aspects of the simulated climate.
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https://hal-insu.archives-ouvertes.fr/insu-03727051
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Submitted on : Tuesday, July 19, 2022 - 8:34:11 AM
Last modification on : Tuesday, August 2, 2022 - 4:01:41 AM

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L. Fita, J. P. Evans, D. Argüeso, A. King, Y. Liu. Evaluation of the regional climate response in Australia to large-scale climate modes in the historical NARCliM simulations. Climate Dynamics, 2017, 49, pp.2815-2829. ⟨10.1007/s00382-016-3484-x⟩. ⟨insu-03727051⟩

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