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   What does sea level mean?

   • Sea level is the base level for measuring elevation and depth on Earth. Sea level is the base level for measuring elevation and depth on Earth. These hotel bungalows in Bora Bora, French Polynesia, have stilts to take them inches above sea level.

   Sea Level - National Geographic Society

   www.nationalgeographic.org/encyclopedia/sea-level/

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   What are local mean sea-level measurements?

   • Local mean sea-level measurements are a combination of sea-level variations and movement of the land. Sea level may vary with changes in climate. During past ice ages, sea level was much lower because the climate was colder and more water was frozen in glaciers and ice sheets.

   Sea Level - National Geographic Society

   www.nationalgeographic.org/encyclopedia/sea-level/

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   What is local mean sea level (LMSL)?

   • Local mean sea level (LMSL) is defined as the height of the sea with respect to a land benchmark, averaged over a period of time long enough that fluctuations caused by waves and tides are smoothed out, typically a year or more.

   Sea level - Wikipedia

   en.wikipedia.org/wiki/Sea_level

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   What is a mean sea level standard?

   • A common and relatively straightforward mean sea-level standard is instead a long-term average of tide gauge readings at a particular reference location. Sea levels can be affected by many factors and are known to have varied greatly over geological time scales. Current sea level rise is mainly caused by human-induced climate change.

   Sea level - Wikipedia

   en.wikipedia.org/wiki/Sea_level

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

   en.wikipedia.org › wiki › Sea_level

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   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.

3. www.nationalgeographic.org › encyclopedia › sea-levelSea Level - National Geographic Society

   www.nationalgeographic.org › encyclopedia › sea-level

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   Oct 19, 2023 · Learn what sea level is, how it is measured, and how it changes over time. Find out how sea level affects the Earth's surface and climate, and see examples of highs and lows.

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5. sealevel.nasa.govNASA Sea Level Change Portal

   sealevel.nasa.gov

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   Learn how NASA monitors and studies sea level rise and its causes from space and on the ground. Access climate tools, analysis tools, data and news related to sea level change and its impacts.

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     Interagency Sea Level Rise Scenario Tool
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     IPCC AR6 Sea Level Projection Tool
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     Sea Level Evaluation & Assessment Tool
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   • Virtual Earth System Laboratory

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

   climate.nasa.gov › vital-signs › sea-level

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   Learn how human-caused global warming is causing sea levels to rise at unprecedented rates since 1993. See graphs and data from satellites and tide gauges, and download data from NASA's Earthdata.

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     What is Sea Level?

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     Why is Sea Level Rising? We Asked a NASA Scientist

     Jan 11, 2023

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     What Causes Sea Level Rise?

     Oct 1, 2020

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

   sealevel.nasa.gov › ipcc-ar6-sea-level-projection-tool

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   Explore the global and local sea level projections from the IPCC 6th Assessment Report. Adjust the map and data settings to view the data summary or select a gauge for more details.

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

   sealevel.nasa.gov › understanding-sea-level › overview

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   Chart 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.

10. www.nationalgeographic.com › sea-level-rise-1Sea level rise, facts and information - National Geographic

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    Apr 10, 2023 · Learn how climate change is accelerating the rise in sea levels around the world, threatening coastal habitats and communities. Find out what scientists know and what they are doing to prepare for the future.