The Cascais tide gauge (Portuguese: Marégrafo de Cascais) was the first tide gauge (also known as a mareograph or marigraph, as well as a sea-level recorder) installed in Portugal and dates back to 1882. It is situated in Cascais Municipality, Lisbon District. It was one of the first systems of sea-level data collection installed on the coast of Europe and is still in use.[1]
- ^ "MARÉGRAFO DE CASCAIS". Agenda Cascais. Archived from the original on 18 February 2018. Retrieved 18 February 2018.
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