Journal
JOURNAL OF MARINE SCIENCE AND ENGINEERING
Volume 8, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/jmse8121015
Keywords
extreme wave height; extreme value analysis; wave climate; wave model; reanalysis
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Funding
- University of Melbourne
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A non-stationary extreme value analysis of 41 years (1979-2019) of global ERA5 (European Centre for Medium-Range Weather Forecasts Reanalysis) significant wave height data is undertaken to investigate trends in the values of 100-year significant wave height, Hs100. The analysis shows that there has been a statistically significant increase in the value of Hs100 over large regions of the Southern Hemisphere. There have also been smaller decreases in Hs100 in the Northern Hemisphere, although the related trends are generally not statistically significant. The increases in the Southern Hemisphere are a result of an increase in either the frequency or intensity of winter storms, particularly in the Southern Ocean.
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