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Homogeneous record of Atlantic hurricane surge threat since 1923
State Key Laboratory of Earth Surface Processes and Resource Ecology, College of Global Change and Earth System Science, Beijing Normal University, China.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL.
State Key Laboratory of Earth Surface Processes and Resource Ecology, College of Global Change and Earth System Science, Beijing Normal University, China.
2012 (English)In: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 109, no 48, 19601-19605 p.Article in journal (Refereed) Published
Abstract [en]

Detection and attribution of past changes in cyclone activity are hampered by biased cyclone records due to changes in observational capabilities. Here we construct an independent record of Atlantic tropical cyclone activity on the basis of storm surge statistics from tide gauges. We demonstrate 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. We find that warm years in general were more active in all cyclone size ranges than cold years. 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. In particular, we estimate that Katrina-magnitude events have been twice as frequent in warm years compared with cold years (P < 0.02).

Place, publisher, year, edition, pages
2012. Vol. 109, no 48, 19601-19605 p.
Keyword [en]
climate, extreme, hazard, risk, flood, cyclone
National Category
Climate Research
Research subject
Physical Geography
Identifiers
URN: urn:nbn:se:uu:diva-190172DOI: 10.1073/pnas.1209542109ISI: 000312313900027OAI: oai:DiVA.org:uu-190172DiVA: diva2:583093
Available from: 2013-01-07 Created: 2013-01-07 Last updated: 2017-12-06Bibliographically approved

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Moore, John C

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