Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 21, issue 4
Articles | Volume 21, issue 4
https://doi.org/10.5194/nhess-21-1279-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/nhess-21-1279-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 4
Research article
 | 
26 Apr 2021
Research article |  | 26 Apr 2021

Non-stationary analysis of water level extremes in Latvian waters, Baltic Sea, during 1961–2018

Nadezhda Kudryavtseva, Tarmo Soomere, and Rain Männikus

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Short summary
We demonstrate a finding of a very sudden change in the nature of water level extremes in the Gulf of Riga which coincides with weakening of correlation with North Atlantic Oscillation. The shape of the distribution is variable with time; it abruptly changed for several years and was suddenly restored. If similar sudden changes happen in other places in the world, not taking into account the non-stationarity can lead to significant underestimation of future risks from extreme-water-level events.
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Advances in extreme value analysis and application to natural...
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