The Newlyn Tidal Observatory is the most important sea level station in the United Kingdom. It commenced operations in 1915 as part of the Second Geodetic Levelling of England and Wales, and the mean sea level determined from the tide gauge during the first six years (May 1915–April
1921) defined Ordnance Datum Newlyn (ODN) which became the national height datum for the whole of Great Britain. The 100 years of sea level data now available have contributed significantly to many studies in oceanography, geology, and climate change. This paper marks the centenary of
this important station by reviewing the sea level (and, more recently, detailed land level) measurements and Newlyn's contributions to UK cartography, geodesy and sea-level science in general. Recommendations are made on how sea and land level measurements at Newlyn might be enhanced.
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sea level changes;
vertical land movements
Document Type: Research Article
British Oceanographic Data Centre, National Oceanography Centre, Liverpool, United Kingdom
National Oceanography Centre, Liverpool, United Kingdom
Ordnance Survey, Southampton, United Kingdom
NERC British Isles continuous GNSS Facility (BIGF), University of Nottingham, Nottingham, United Kingdom
March 3, 2016
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