Sea level rise, facts and information
3:29
National GeographicChristina Nunez,National Geographic Staff
Sea level rise, facts and information
Seas are predicted to rise a foot by 2050,regardless of how much global carbon emissions can be reduced. Why is this happening,and what can we do to adapt?
Feb 19, 2019
Sea Level Rise
Sea level rise is one significant effect of the changing climate on Earth. A new study using NASA satellite data shows the rate of global sea level rise has been accelerating in recent decades, rather than increasing steadily. The upshot? Globally, sea levels could rise 26 inches by 2100. That's enough to cause problems for coastal cities around the planet. A warming climate raises sea level in two ways. First, warmer water expands as it heats up, which has contributed about half of the sea leve
0:57
Sea level rise is one significant effect of the changing climate on Earth. A new study using NASA satellite data shows the rate of global sea level rise has been accelerating in recent decades, rather than increasing steadily. The upshot? Globally, sea levels could rise 26 inches by 2100. That's enough to cause problems for coastal cities around the planet. A warming climate raises sea level in two ways. First, warmer water expands as it heats up, which has contributed about half of the sea leve
FacebookNASA Sea Level
8.8K viewsFeb 13, 2018
Sea level update 🌊 Global average sea level rose by about 0.3 inches (0.76 centimeters) from 2022 to 2023, according to a @NASA-led analysis. This relatively large jump is due mostly to a warming climate and the development of a strong El Niño. With more than 30 years of satellite observations, the data show that global average sea level has risen about 4 inches (9.4 centimeters) since 1993 and the rate of increase has more than doubled. “Current rates of acceleration mean that we are on track
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Sea level update 🌊 Global average sea level rose by about 0.3 inches (0.76 centimeters) from 2022 to 2023, according to a @NASA-led analysis. This relatively large jump is due mostly to a warming climate and the development of a strong El Niño. With more than 30 years of satellite observations, the data show that global average sea level has risen about 4 inches (9.4 centimeters) since 1993 and the rate of increase has more than doubled. “Current rates of acceleration mean that we are on track
FacebookNASA Earth
54.3K viewsMar 21, 2024
Sea level update 🌊 In 2024, global sea level rose faster than expected mostly due to ocean water expanding as it warms, or thermal expansion. According to a NASA-led analysis, 2024’s rise was 0.23 in (0.59 cm) per year, compared to the expected rate of 0.17 in (0.43 cm) per year. In recent years, about two-thirds of sea level rise was from melting ice sheets and glaciers. About a third came from thermal expansion of seawater. But in 2024, those contributions flipped, with two-thirds of sea leve
0:20
Sea level update 🌊 In 2024, global sea level rose faster than expected mostly due to ocean water expanding as it warms, or thermal expansion. According to a NASA-led analysis, 2024’s rise was 0.23 in (0.59 cm) per year, compared to the expected rate of 0.17 in (0.43 cm) per year. In recent years, about two-thirds of sea level rise was from melting ice sheets and glaciers. About a third came from thermal expansion of seawater. But in 2024, those contributions flipped, with two-thirds of sea leve
FacebookNASA Earth
646.2K viewsMar 13, 2025
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Unparalleled views of sea level rise ⬆️🌊🛰 Global sea levels have risen more than 4 inches (102 millimeters) since measurements began in 1992, increasing coastal flooding in some places. As ocean water warms, it expands and takes up more space. The added heat in the air and ocean is also melting ice sheets and glaciers, which adds freshwater to the ocean and further raises sea levels. The Surface Water and Ocean Topography (SWOT) mission, launched in 2022, and Sentinel 6 Michael Frelich, launch
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