Articles | Volume 12, issue 4
Earth Syst. Dynam., 12, 1253–1273, 2021
https://doi.org/10.5194/esd-12-1253-2021
Earth Syst. Dynam., 12, 1253–1273, 2021
https://doi.org/10.5194/esd-12-1253-2021

Research article 25 Nov 2021

Research article | 25 Nov 2021

Is time a variable like the others in multivariate statistical downscaling and bias correction?

Yoann Robin and Mathieu Vrac

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Cited articles

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Bevacqua, E., Maraun, D., Vousdoukas, M. I., Voukouvalas, E., Vrac, M., Mentaschi, L., and Widmann, M.: Higher probability of compound flooding from precipitation and storm surge in Europe under anthropogenic climate change, Sci. Adv., 5, eaaw5531, https://doi.org/10.1126/sciadv.aaw5531, 2019. a
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We propose a new multivariate downscaling and bias correction approach called time-shifted multivariate bias correction, which aims to correct temporal dependencies in addition to inter-variable and spatial ones. Our method is evaluated in a perfect model experiment context where simulations are used as pseudo-observations. The results show a large reduction of the biases in the temporal properties, while inter-variable and spatial dependence structures are still correctly adjusted.
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