Canaletto’s paintings open a new window on the relative sea-level rise in Venice |
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| Authors: | Dario Camuffo |
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| Institution: | Consiglio Nazionale delle Ricerche, ICTIMA - Institute of Atmospheric Science and Climate, Corso Stati Uniti 4, 35127, Padova, Italy |
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| Abstract: | The paintings by Canaletto (1697–1768), made with the help of a camera obscura, are just like real photographs, documenting as they do the Venice of the XVIII century with an accurate reproduction of all the details. The brown–green front left by the Laminaria, an alga living between the high and low tide, constitutes a precise biological indication of the average level of the high tide. By comparing the level of this front at Canaletto’s time with the present level, we can calculate/discover the relative sea level rise which has occurred in the last two and a half centuries. |
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| Keywords: | Italy Venice sea-level rise global warming monument decay |
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