MEDSEA_CH4_Specification_12 / Time series of annual average sea level from PSMSL time-gauges over periods of 50 years (1963-2012) and 100 years (1913-2012)

Specification of the desirable and recommended product attributes for generating time series of annual average sea level (units: mm) from tide gauges over periods of 50 years (1963-2012) and 100 years (1913-2012), to characterize and assess average annual sea-level rise relative to the land.