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A Century of Sea Level Measurements at Newlyn, Southwest England

Bradshaw, E.; Woodworth, P.L.; Hibbert, A.; Bradley, L.J.; Pugh, D.T.; Fane, C.; Bingley, R.M.

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E. Bradshaw

P.L. Woodworth

A. Hibbert

L.J. Bradley

D.T. Pugh

C. Fane

Professor of Geodetic Surveying


The Newlyn Tidal Observatory is the most important sea level station in the UK. 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 in the future.


Bradshaw, E., Woodworth, P., Hibbert, A., Bradley, L., Pugh, D., Fane, C., & Bingley, R. (2016). A Century of Sea Level Measurements at Newlyn, Southwest England. Marine Geodesy, 39(2), 115-140.

Journal Article Type Article
Acceptance Date Nov 5, 2015
Online Publication Date Dec 10, 2015
Publication Date Mar 18, 2016
Deposit Date Jun 8, 2016
Publicly Available Date Oct 19, 2018
Journal Marine Geodesy
Print ISSN 0149-0419
Electronic ISSN 1521-060X
Publisher Taylor and Francis
Peer Reviewed Peer Reviewed
Volume 39
Issue 2
Pages 115-140
Keywords National datums; sea-level science; sea level changes; tide gauges; vertical land movements
Public URL
Publisher URL
Contract Date Oct 19, 2018


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