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  1. en.wikipedia.org › wiki › Sea_levelSea level - Wikipedia

    Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured.

  2. sealevel.nasa.govNASA Sea Level Change Portal

    Understanding Sea Level. NASA keeps track of sea level change and its causes from space. Find out more about how NASA satellite observations help our understanding of this complex topic. Global Sea Level. Regional Sea Level. Explore the main causes: ice melt and heat-driven expansion of ocean water. Learn more about Global Sea Level. Sea Level News

  3. sealevel.nasa.gov › ipcc-ar6-sea-level-projection-toolSea Level Projection Tool – NASA Sea Level Change Portal

    The NASA Sea Level Projection Tool allows users to visualize and download the sea level projection data from the IPCC 6th Assessment Report (AR6). The goal of this tool is to provide easy and improved access and visualization to the consensus projections found in the report.

  4. www.climate.gov › climate-change-global-sea-levelClimate Change: Global Sea Level | NOAA Climate.gov

    19. Apr. 2022 · Global average sea level has risen 8–9 inches (21–24 centimeters) since 1880. In 2022, global average sea level set a new record high—101.2 mm (4 inches) above 1993 levels.

  5. www.nationalgeographic.com › environment › articleSea level rise, facts and information - National Geographic

    10. Apr. 2023 · ENVIRONMENT. EXPLAINER. Sea levels are rising at an extraordinary pace. Here's what to know. Seas are predicted to rise a foot by 2050, regardless of how much global carbon emissions can be...

  6. climate.nasa.gov › vital-signs › sea-levelSea Level - Climate Change: Vital Signs of the Planet

    Sea 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.

  7. sealevel.nasa.gov › understanding-sea-level › overviewUnderstanding Sea Level | NASA Sea Level Change

    Learn more about the different causes of sea level change and the scientific background of observations and projecting sea level. Find out about the history of measuring sea level and how state-of-the-art physical climate models predict sea level change into the future.