Resultado de búsqueda
Analyze and download satellite, in situ, reanalysis and modeled data associated with sea level change and the processes that contribute to it.
- News & Features
News & Features - NASA Sea Level Change Portal
- Understanding Sea Level
Learn more about the different causes of sea level change...
- Science Team
Details on the individual projects that comprise the N-SLCT...
- Data
Sea Level Change Water Quality Wildfires Previous Next....
- Climate Tools
Visit NASA's portal for an in-depth look at the science...
- Resources
Resources - NASA Sea Level Change Portal
- Sea Level News
Sea Level News - NASA Sea Level Change Portal
- Global Sea Level
Global Mean Sea Level. Global mean sea level provides an...
- News & Features
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.
- Why Sea Level Matters
- What’s Causing Sea Level to Rise?
- Measuring Sea Level
- Future Sea Level Rise
- References
- More Sea Level Data and Information from NOAA and Partners
In the United States, almost 30 percentof the population lives in relatively high population-density coastal areas, where sea level plays a role in flooding, shoreline erosion, and hazards from storms. Globally, 8 of the world’s 10 largest cities are near a coast, according to the U.N. Atlas of the Oceans. In urban settings along coastlines around ...
Global warming is causing global mean sea level to rise in two ways. First, glaciers and ice sheets worldwide are meltingand adding water to the ocean. Second, the volume of the ocean is expanding as the water warms. A third, much smaller contributor to sea level rise is a decline in the amount of liquid water on land—aquifers, lakes and reservoirs...
Sea level is measured by two main methods: tide gauges and satellite altimeters. Tide gauge stations from around the world have measured the daily high and low tides for more than a century, using a variety of manual and automatic sensors. Using data from scores of stations around the world, scientists can calculate a global average and adjust it f...
As global temperatures continue to warm, additional sea level rise is inevitable. How much and by when depends mostly on the future rate of greenhouse gas emissions. But another source of uncertainty is whether big ice sheets in Antarctica and Greenland will melt in a steady, predictable way as the Earth gets warmer, or whether they will reach a ti...
Cassotta, S., Derkesen, C., Ekaykin, A., Hollowed, A., Kofinas, G., Mackintosh, A., Melbourne-Thomas, J., Muelbert, M.M.C., Ottersen, G., Pritchard, H., and Schuur, E.A.G. (2019). Chapter 3: Polar regions. In IPCC Special Report on the Ocean and Cryosphere in a Changing Climate [H.-O. Pörtner, D.C. Roberts, V. Masson-Delmotte, P. Zhai, M. Tignor, E...
Global Ocean Heat and Salt Contentpage at NCEI Tides and Currents Sea Level Trendspage at the National Ocean Service Digital Coast Sea Level Rise Viewerat the Coastal Services Center Coastal Flood Riskpage at the U.S. Climate Resilience Toolkit
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.
10 de abr. de 2023 · The change in sea levels is linked to three primary factors, all induced by ongoing global climate change: Thermal expansion: When water heats up, it expands. About half of the sea-level rise...
10 de ago. de 2022 · Scientists 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).
14 de jul. de 2023 · This study identified geological dimensions and sea-level indicators, impacts, risks, and adaptation, physical components of sea-level change, and coastal ecosystems and habitats as major...
