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Peer-reviewed

Biases Beyond the Mean in CMIP6 Extreme Precipitation: A Global Investigation

Hebatallah Abdelmoaty, Simon Michael Papalexiou, Chandra Rupa Rajulapati, Amir AghaKouchak

Earth s Future · 2021

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Summary

Abstract Climate models are crucial for assessing climate variability and change. A reliable model for future climate should reasonably simulate the historical climate. Here, we assess the performance of CMIP6 models in reproducing statistical properties of observed annual maxima of daily precipitation. We go beyond the commonly used methods and assess CMIP6 simulations on three scales by performing: (a) univariate comparison based on L‐moments and relative difference measures; (b) bivariate comparison using Kernel densities of mean and L‐variation, and of L‐skewness and L‐kurtosis, and (c) comparison of the entire distribution function using the Generalized Extreme Value ( ) distribution coupled with a novel application of the Anderson‐Darling Goodness‐of‐fit test. The results reveal that

Source type
Peer-reviewed study
DOI
10.1029/2021ef002196
Catalogue ID
SNmokbvyot-s3xndj
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