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Overview

Established in 1933, the Permanent Service for Mean Sea Level (PSMSL) has been responsible for the collection, publication, analysis and interpretation of sea level data from the global network of tide gauges. It is based in Liverpool at the National Oceanography Centre (NOC), which is a component of the UK Natural Environment Research Council (NERC).

The PSMSL is a member of the Federation of Astronomical and Geophysical Data Analysis Services (FAGS), which is currently restructuring under the World Data System. Funding for the PSMSL comes from FAGS, the Intergovernmental Oceanographic Commission (IOC) and NERC.

The director of the PSMSL is Dr. Lesley Rickards.