Science Source
Aslak Grinsted, John C. Moore, Svetlana Jevrejeva
Proceedings of the National Academy of Sciences
Published date August 31, 2012
Proceedings of the National Academy of Sciences
Published date August 31, 2012
Homogeneous record of Atlantic hurricane surge threat since 1923
- Constructs an independent record of Atlantic tropical cyclone activity on the basis of storm surge statistics from tide gauges
- Demonstrates that the major events in our surge index record can be attributed to landfalling tropical cyclones; these events also correspond with the most economically damaging Atlantic cyclones
- Finds that warm years in general were more active in all cyclone size ranges than cold years
- Finds the largest cyclones are most affected by warmer conditions and we detect a statistically significant trend in the frequency of large surge events (roughly corresponding to tropical storm size) since 1923
- Estimates that Katrina-magnitude events have been twice as frequent in warm years compared with cold years (P < 0.02)
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