Articles | Volume 10, issue 1
https://doi.org/10.5194/ascmo-10-29-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/ascmo-10-29-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
22 Jan 2024
| 22 Jan 2024
Spatial patterns and indices for heat waves and droughts over Europe using a decomposition of extremal dependency
Institute of Geosciences, University of Bonn, Bonn, Germany
Petra Friederichs
Institute of Geosciences, University of Bonn, Bonn, Germany
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The heavy rain over Western Europe in mid July 2021 caused destructive flash floods. Previous research shows that soil moisture played an important role in amplifying the impacts. But how important is soil moisture as a water source for the rain itself? We investigated this question by simulating scenarios with especially wet and dry European soils. We find that soils were integral in supplying water to the event and in strengthening the low pressure system “Bernd” important to the event.
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Short summary
This paper uses the tail pairwise dependence matrix (TPDM) proposed by Cooley and Thibaud (2019), which we extend to the description of common extremes in two variables. We develop an extreme pattern index (EPI), a pattern-based aggregation to describe spatially extended weather extremes. Our results show that the EPI is suitable for describing heat waves. We extend the EPI to describe extremes in two variables and obtain an index to describe compound precipitation deficits and heat waves.
This paper uses the tail pairwise dependence matrix (TPDM) proposed by Cooley and Thibaud...
