Storm surge frequency reduction in Venice under climate change
Troccoli, A., Zambon, F., Hodges, K. I. and Marani, M. (2012) Storm surge frequency reduction in Venice under climate change. Climatic Change, 113 (3-4). pp. 1065-1079. ISSN 1573-1480
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To link to this article DOI: 10.1007/s10584-011-0093-x
Increased tidal levels and storm surges related to climate change are projected to result in extremely adverse effects on coastal regions. Predictions of such extreme and small-scale events, however, are exceedingly challenging, even for relatively short time horizons. Here we use data from observations, ERA-40 reanalysis, climate scenario simulations, and a simple feature model to find that the frequency of extreme storm surge events affecting Venice is projected to decrease by about 30% by the end of the twenty-first century. In addition, through a trend assessment based on tidal observations we found a reduction in extreme tidal levels. Extrapolating the current +17 cm/century sea level trend, our results suggest that the frequency of extreme tides in Venice might largely remain unaltered under the projected twenty-first century climate simulations.