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Bookmark or Share- Overview | Understanding Sea Level - NASA Sea Level Change PortalFind out about the history of measuring sea level and how state-of-the-art physical climate models predict sea level change into the future. We explain the current and projected rates and how they are derived.
- Sea Level CalculatorExplore historical sea level changes and future coastal flooding projections with NOAA's Sea Level Calculator. Search by location, view curated data sets, and make informed adaptation decisions based on tide station or grid-based insights.
- NASA Sea Level Change PortalVisualize and access information and data relevant to understanding and planning for sea level rise in response to ongoing climate change. Visualize and download the sea level scenarios from the U.S. Sea Level Rise Interagency Task Force.
- 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.
- Climate Change: Global Sea Level | NOAA Climate.govGlobal mean sea level has risen about 8–9 inches (21–24 centimeters) since 1880. The rising water level is mostly due to a combination of melt water from glaciers and ice sheets and thermal expansion of seawater as it warms.
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