CU Sea Level Research Group

University of Colorado
  • Global Mean Sea Level
  • Regional Sea Level
  • Trend Map
  • Interactive Wizard
  • Processing
  • Tide Gauge Sea Level
  • Steric Effects
  • References
  • FAQ
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  • Contact
  • Global Mean Sea Level
  • Regional Sea Level
  • Trend Map
  • Interactive Wizard
  • Processing
    • Monitoring Altimeter Drift
    • Release Notes
  • Tide Gauge Sea Level
  • Steric Effects
  • References
  • FAQ
  • Links
  • Contact

GMSL Rates

CU: 3.4 ± 0.4 mm/yr
AVISO: 3.3 ± 0.5 mm/yr
CSIRO: 3.3 ± 0.4 mm/yr
NASA GSFC: 3.4 ± 0.4 mm/yr
NOAA: 3.2 ± 0.4 mm/yr (w/ GIA)
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Frequent Questions

  • What is the definition of global mean sea level (GMSL) and its rate?
  • Can I subscribe to the mean sea level estimates?
  • What is the format of the dates in the GMSL time series?
  • Why is the GMSL different than local tide gauge measurements?
  • How often are the global mean sea level estimates updated?
All FAQs

Sea Level Links

  • AVISO
  • CLS Radar Altimetry Tutorial
  • CSIRO
  • GFZ GRACE
  • Global Sea Level Observing System (GLOSS)
  • JPL GRACE Tellus
  • JPL Ocean Surface Topography
  • LEGOS-CTOH
  • NASA EO: World of Change
  • NASA Global Climate Change
  • NOAA Satellite Altimetry
  • Permanent Service for Mean Sea Level (PSMSL)
  • Radar Altimeter Database (RADS)
  • USF Grace Ocean Mass
  • UT/CSR GRACE

CU Sea Level Library

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Sort by: Author Keyword Title Type [ Year (Desc)]
Filters: Author is Chinn, D. S.  [Clear All Filters]
2010
Lemoine, F. G., N. P. Zelensky, D. S. Chinn, D. E. Pavlis, D. D. Rowlands, B. Beckley, S. B. Luthcke, P. Willis, M. Ziebart, A. Sibthorpe et al. "Towards development of a consistent orbit series for TOPEX, Jason-1, and Jason-2." Advances in Space Research 46 (2010): 1513-1540. Abstract
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2006
Luthcke, S. B., H. J. Zwally, W. Abdalati, D. D. Rowlands, R. Ray, R. S. Nerem, F. G. Lemoine, J. J. McCarthy, and D. S. Chinn. "Recent Greenland Ice Mass Loss by Drainage System from Satellite Gravity Observations." Science 314 (2006): 1286-1289. Abstract
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CU Sea Level Blog

  • New group publication: "Is the detection of accelerated sea level rise imminent?" by Fasullo et al.
  • 10 things you should know about sea level rise and how bad it could be
  • Correction: New GMSL release and Jason-2 Switch to Side-B Platform Module
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more

Our Publications

  • Climate-change–driven accelerated sea-level rise detected in the altimeter era
  • On the “Cal-Mode” Correction to TOPEX Satellite Altimetry and Its Effect on the Global Mean Sea Level Time Series
  • Is the detection of accelerated sea level rise imminent?
  • Uncovering an anthropogenic sea-level rise signal in the Pacific Ocean
more

Recent Articles

  • Climate-change–driven accelerated sea-level rise detected in the altimeter era
  • On the “Cal-Mode” Correction to TOPEX Satellite Altimetry and Its Effect on the Global Mean Sea Level Time Series
  • Is the detection of accelerated sea level rise imminent?
  • Some pitfalls of the semi-empirical method used to project sea level
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Climate Science News

  • 23 July - 5 August 2018 weeks
  • Ice loss speeds up during second half of July
  • August 2018: Waves steepen in accelerating currents
  • Visual presentation of the ODATIS Ocean Cluster
  • [JASON-2] : BACK TO OPERATIONS
more
We would like to thank JPL and G. Kruizinga for providing the altimetry database software. This work was funded by the NASA under a OSTM/Jason science investigation.

Colorado Center for Astrodynamics Research at the University of Colorado at Boulder