CU Sea Level Research Group

University of Colorado
  • Global Mean Sea Level
  • Regional Sea Level
  • Trend Map
  • Interactive Wizard
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  • Tide Gauge Sea Level
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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

  • 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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Filters: Author is Vignudelli, S.  [Clear All Filters]
Journal Article
Liu, Y., R. Weisberg, S. Vignudelli, L. Roblou, and C. Merz. "Comparison of the X-TRACK altimetry estimated currents with moored ADCP and HF radar observations on the West Florida Shelf." Advances in Space Research 50, no. 8 (2012): 1085-1098. Abstract
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Scozzari, A., J. Gómez-Enri, S. Vignudelli, and F. Soldovieri. "Understanding target-like signals in coastal altimetry: Experimentation of a tomographic imaging technique." Geophysical Research Letters 39, no. 2 (2012). 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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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

  • 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