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Wednesday, December 13, 2023

MOSE is UP, Flooding Mitigated

 Before leaving for Venice, I marked the new and full moons on my calendar, to insure we would be paying attention as these were the most likely times for high water.

Our first afternoon was one of those days, and we went to San Marco.  The sun was out behind us, lighting up the square, and the flooded square reflected the basilica.  Only fly in the ointment, the white construction fences.




Since then, we've learned where to get the tide predictions (https://www.comune.venezia.it/content/centro-previsioni-e-segnalazioni-maree) and keep an eye on them.  There is also a page showing when things get interesting at various places in the city.


The worst floods, relative to 0 at the Salute tide gauge, were:
194 cm (76.4”): November 4, 1966
189 cm (74.4”): November 12, 2019


Things get interesting at water levels around 110 cm (red in the figure below, where they also highlight slightly less interesting water levels). Last night the prediction (https://www.comune.venezia.it/content/centro-previsioni-e-segnalazioni-maree) for this morning was right at that level, with a peak requiring no special effort to get up and about.  (Weather forecast was not as nice, rain meaning poor lighting for photography.



This morning, the forecast was lower, and the weather forecast was right on.


We checked, and MOSE, the flood control dams, were up. .https://www.commissariostraordinariomose.it/



So the flooding will be minor, a lot of euros will be spent to raise and lower the barriers, and the lagoon ecology will be disrupted.



References:





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