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Historical Observatories


The sea level measurements at this station are the oldest in the Adriatic and among the three oldest in the Mediterranean. Begun in 1859 by the Imperial Royal Academy of Commerce and Nautical, they still continue at the headquarters of the Yacht Club Adriaco by the CNR ISMAR of Trieste

The site is part of the Permanent Service for Mean Sea Level (PSMSL) network and is the only Italian station included in the Global Sea Level Observing System (GLOSS)

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The Borgo Grotta Gigante weather station (Trieste Karst) since 1967

-> soon online

The Malignani meteorological observatory of Udine Castello since 1888

-> soon online

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