Editing Global mean sea level (section)

== Aggregation Semantics ==
Geographically, global mean sea level is aggregated across the entire ocean surface, providing a single representative value that smooths regional variations. Temporally, the signal is continuous, with measurements aggregated over daily to decadal timescales to capture both short-term variability and long-term trends. Cross-signal aggregation involves integrating global mean sea level data with related environmental signals such as ice sheet mass and ocean heat content to understand causal relationships and compound effects. This aggregation approach supports comprehensive assessments of oceanic and climatic state changes.