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
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  • 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

  • Is sedimentation in the oceans accounted for in the GMSL estimate?
  • What is the format of the dates in the GMSL time series?
  • Why is the GMSL different than local tide gauge measurements?
  • What determines the x-intercept (i.e., "zero-crossing" or "base year") of the GMSL plots?
  • 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 Otto-Bliesner, B. L.  [Clear All Filters]
2011
McKay, N. P., J. T. Overpeck, and B. L. Otto-Bliesner. "The role of ocean thermal expansion in Last Interglacial sea level rise." Geophysical Research Letters 38, no. 14 (2011). Abstract
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2010
Hu, A., G. Meehl, B. L. Otto-Bliesner, C. Waelbroeck, W. Han, M. Loutre, K. Lambeck, J. Mitrovica, and N. Rosenbloom. "Influence of Bering Strait flow and North Atlantic circulation on glacial sea-level changes." Nature Geoscience 3 (2010): 118-121. 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

  • 1- 19 May 2019 Press reeview
  • Saral/Altika Cycle 127 GDR release
  • Maintenance on the Aviso+ Web services on May 14th 2019 between 10h and 10h15 UTC
  • Rapid ice loss in early April leads to new record low
  • May 2019: Liguro-Provençal current seen by in situ instruments and altimetry
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