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
  • Links
  • 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 format of the dates in the GMSL time series?
  • What determines the x-intercept (i.e., "zero-crossing" or "base year") of the GMSL plots?
  • Is sedimentation in the oceans accounted for in the GMSL estimate?
  • How often are the global mean sea level estimates updated?
  • What is glacial isostatic adjustment (GIA), and why do you correct for it?
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 (Asc)]
Filters: Author is Ligtenberg, S.  [Clear All Filters]
2012
Pritchard, H., S. Ligtenberg, H. Fricker, D. Vaughan, M. van den Broeke, and L. Padman. "Antarctic ice-sheet loss driven by basal melting of ice shelves." Nature 484, no. 7395 (2012): 502-505. Abstract
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2013
Gardner, A., G. Moholdt, J. Cogley, B. Wouters, A. Arendt, J. Wahr, E. Berthier, R. Hock, W. Pfeffer, G. Kaser et al. "A Reconciled Estimate of Glacier Contributions to Sea Level Rise: 2003 to 2009." Science 340, no. 6134 (2013): 852-857. 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?
  • The tilt of mean sea level along the east coast of North America
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Climate Science News

  • [Jason-2] Happy birthday Jason-2
  • 29 May - 17 June 2019 Press Review
  • A glimpse on Swot satellite building and testing
  • [SARAL/Altika] Cycle 128 GDR release
  • June 2019: Modelling the flow
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