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Bookmark or Share- Overview | Understanding Sea Level - NASA Sea Level Change PortalChart the changes in Earth’s water and ice that most clearly reveal global sea level rise. Learn more about the different causes of sea level change and the scientific background of observations and projecting sea level.
- Tracking 30 Years of Sea Level Rise - NASA Earth ObservatoryScientists have found that global mean sea level—shown in the line plot above and below—has risen 10.1 centimeters (3.98 inches) since 1992. Over the past 140 years, satellites and tide gauges together show that global sea level has risen 21 to 24 centimeters (8 to 9 inches).
- Sea Level Projection Tool - NASA Sea Level Change PortalVisualize and download global and local sea level projections from the Intergovernmental Panel on Climate Change Sixth Assessment Report.
- Sea Level - Climate Change: Vital Signs of the PlanetSea level rise is caused primarily by two factors related to global warming: the added water from melting ice sheets and glaciers, and the expansion of seawater as it warms. The first graph tracks the change in global sea level since 1993, as observed by satellites.
- What is sea level rise and why does it matter to our future?It is estimated that the oceans have risen by approximately 20-23 centimetres (8-9 inches) since 1880. In 2023, the average sea level globally reached a record high the UN’s World...
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