{"refrec":{"BRefID":323856,"RR":"<b>Arns, A.; Wahl, T.; Wolff, C.; Vafeidis, A.T.; Haigh, I.D.; Woodworth, P.; Niehüser, S.; Jensen, J.</b> (2020). Non-linear interaction modulates global extreme sea levels, coastal flood exposure, and impacts. <i>Nature Comm. 11(1)</i>: 9 pp. <a href=\"https://dx.doi.org/10.1038/s41467-020-15752-5\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-020-15752-5</a>","BEntID":317328,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Nature Comm. 11(1)</i>: 9 pp. <a href=\"https://dx.doi.org/10.1038/s41467-020-15752-5\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-020-15752-5</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Arns, A.; Wahl, T.; Wolff, C.; Vafeidis, A.T.; Haigh, I.D.; Woodworth, P.; Niehüser, S.; Jensen, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Arns, A. <i>et al.</i>","Englishabstract":"We introduce a novel approach to statistically assess the non-linear interaction of tide and non-tidal residual in order to quantify its contribution to extreme sea levels and hence its role in modulating coastal protection levels, globally. We demonstrate that extreme sea levels are up to 30% (or 70 cm) higher if non-linear interactions are not accounted for (e.g., by independently adding astronomical and non-astronomical components, as is often done in impact case studies). These overestimates are similar to recent sea-level rise projections to 2100 at some locations. Furthermore, we further find evidence for changes in this non-linear interaction over time, which has the potential for counteracting the increasing flood risk associated with sea-level rise and tidal and/or meteorological changes alone. 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