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  Satellite Measurements of Sea Level Change: What are they telling us about our future?

Nerem, R. S., Fasullo, J., Karnauskas, K., Hamlington, B. (2023): Satellite Measurements of Sea Level Change: What are they telling us about our future?, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3665

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020877 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020877_1
Genre: Conference Paper

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 Creators:
Nerem, Robert Steven1, Author
Fasullo, John1, Author
Karnauskas, Kris1, Author
Hamlington, Ben1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Satellite altimetry measurements over the last 30 years have provided a valuable climate data record of how the oceans are responding to climate change. The spatial and temporal resolution of this climate data record provide much more insight than could be obtained from tide gauge measurements alone. The record is now long enough that we can begin to identify the forced response to due greenhouse gases and aerosols and better understand how sea level will change in the future. Global mean sea level change is an excellent barometer of how much heat is being absorbed by the oceans and how much water is being added to the oceans from melting ice. Together with satellite gravity measurements of ice mass change over the last 20 years, the global sea level budget is pretty well understood from satellite observations. However, observations of regional sea level change are also providing insight into what is driving the regional patterns of thermosteric sea level change and what that portends for the future. The phenomena driving these patterns are complex, but it’s largely due to ocean heat uptake and the redistribution of this heat via the ocean circulation and its modification by the atmospheric winds. The insight provided by the satellite observations provide pathways to the successful prediction of future regional sea level patterns independent of climate model projections. We will discuss some of the early results from these data-driven projection techniques.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-3665
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -