Articles | Volume 12, issue 2
Earth Syst. Dynam., 12, 621–634, 2021
https://doi.org/10.5194/esd-12-621-2021

Special issue: Understanding compound weather and climate events and related...

Earth Syst. Dynam., 12, 621–634, 2021
https://doi.org/10.5194/esd-12-621-2021

Research article 19 May 2021

Research article | 19 May 2021

Space–time dependence of compound hot–dry events in the United States: assessment using a multi-site multi-variable weather generator

Manuela I. Brunner et al.

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Cited articles

Alizadeh, M. R., Adamowski, J., Nikoo, M. R., AghaKouchak, A., Dennison, P., and Sadegh, M.: A century of observations reveals increasing likelihood of continental-scale compound dry-hot extremes, Science Advances, 6, 1–12, https://doi.org/10.1126/sciadv.aaz4571, 2020. a, b, c, d
Andreadis, K. M., Clark, E. A., Wood, A. W., Hamlet, A. F., and Lettenmaier, D. P.: Twentieth-century drought in the conterminous United States, J. Hydrometeorol., 6, 985–1001, https://doi.org/10.1175/JHM450.1, 2005. a
Asquith, W.: lmomco: L-moments, censored L-moments, trimmed L-moments, L-comoments, and many distributions, available at: https://cran.r-project.org/web/packages/lmomco/index.html (last access: 12 January 2021), 2020.  a
Asquith, W. H.: Parameter estimation for the 4-parameter Asymmetric Exponential Power distribution by the method of L-moments using R, Comput. Stat. Data An., 71, 955–970, https://doi.org/10.1016/j.csda.2012.12.013, 2014. a
Belzile, L., Wadsworth, J. L., Northrop, P. J., Grimshaw, S. D., Zhang, J., Stephens, M. A., Owen, A. B., and Huser, R.: R-package mev, available at: https://cran.r-project.org/web/packages/mev/index.html (last access: 12 January 2021), 2020. a
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Short summary
Compound hot and dry events can lead to severe impacts whose severity may depend on their timescale and spatial extent. Here, we show that the spatial extent and timescale of compound hot–dry events are strongly related, spatial compound event extents are largest at sub-seasonal timescales, and short events are driven more by high temperatures, while longer events are more driven by low precipitation. Future climate impact studies should therefore be performed at different timescales.
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