tendency_of_sea_surface_height_above_sea_level Sea_level means mean sea level, which is close to the geoid in sea areas. "Sea surface height" is a time-varying quantity. "tendency_of_X" means derivative of X with respect to time. 2017-06-26 15:24:30.0 SDN:P07::RQ2Q233Z SDN:P07::RQ2Q233Z SDN:P07::RQ2Q233Z 2 2 2017-06-26 15:24:30.0 deprecated true