sea level. Pilots often report altitudes in AMSL, or Above Mean Sea Level. Mean sea level is obtained by time-averaging the still water level (SWL) to remove cyclical effect of daily tides.

Global mean sea level (in blue) since 1993. The solid red line indicates the trajectory of this increase. The dotted red line projects future sea level rise. “It's true that four inches of sea ...

Sea ice melt is not a significant contributor to sea level rise, but its contribution is not nothing, either. Sea ice is ...

This animation shows the rise in global mean sea level from 1993 to 2024 based on data from five international satellites. The expansion of water as it warms was responsible ...