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
is a regular member of the ICSU World Data System.
Funding for the PSMSL
comes from the Natural Environment Research Council (NERC).
The head of the PSMSL is Elizabeth Bradshaw.