Development Since 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 at the National Oceanography Centre (NOC), Liverpool, which is a component of the UK Natural Environment Research Council (NERC). It is supported by the Intergovernmental Oceano-graphic Commission (IOC) and NERC. The PSMSL continues to be one of the main data centres for both the International Association for Physical Sciences of the Oceans (IAPSO) and the IAG. The PSMSL operates under the auspices of the International Council for Science (ICSU) and reports formally to IAPSO's Commission on Mean Sea Level and Tides. Following the discontinuation of the Federation of Astronomical and Geophysical Data Analysis Services and the World Data Centre system, the PSMSL is working towards membership of their successor, the new World Data System of ICSU.
展开▼
