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 Sea Level And Ice: People
Benjamin  Hamlington's Picture
4800 Oak Grove Drive
Pasadena, CA 91109
Curriculum Vitae:

Benjamin Hamlington

Dr. Benjamin Hamlington is a Research Scientist in the Sea Level and Ice Group, in the Earth Sciences Section. He studies the ocean with a particular focus on sea level variability on interannual to decadal timescales. He has also done considerable work on understanding sea level during the 20th century, comparing historical in situ data to modern satellite observations. He is interested in how sea level is responds to both natural and anthropogenic forcing, and what this will mean for coastal populations both now and in the future. He is a member of NASA's Ocean Surface Topography Science team and is the current team lead of the NASA Sea Level Change Science team./

  • 2007-2011 Doctor of Philosophy in Aerospace Engineering Sciences, University of Colorado at Boulder
  • 2006-2007 Master of Science in Mechanical Engineering, Washington University in St. Louis
  • 2002-2007 Bachelor of Science in Aerospace Engineering, Washington University in St. Louis

Research Interests
  • Global and regional sea-level changes
  • Contemporary sea-level observations from satellites and tide gauges
  • Interannual to decadal climate variability
  • Short-term sea-level fluctuations/coastal flooding
  • Ocean dynamics and heat content
  • Mass exchange between the oceans, cryosphere and land


NASA Sea Level Change Icon NASA Sea Level Change
NASA’s Sea Level Change team was selected in 2014, 2017, and 2020, to focus on advancing NASA sea level science and forming new collaborations to tackle the interdisciplinary challenges in sea level research.

Professional Experience
  • 2018-Present Research Scientist, Jet Propulsion Laboratory/California Institute of Technology
  • 2014-2018 Assistant Professor, Ocean, Earth, and Atmospheric Sciences Department, Old Dominion University
  • 2013-2014 Research Scientist, Cooperative Institute for Research in Environmental Sciences, Boulder, CO
  • 2011-2013, Research Associate. Colorado Center for Astrodynamics Research, University of Colorado at Boulder, CO

Selected Awards
  • Zeldovich Medal, COSPAR, 2018
  • Early Career Distinguished Research Award, Old Dominion University, 2016

Selected Publications
  1. Burgos, A.G., B.D. Hamlington, P.R. Thompson, R.D. Ray, 2018: Future Nuisance Flooding in Norfolk, VA, from Astronomical Tides and Annual to Decadal Internal Climate Variability, Geophys. Res. Lett., 45(22), 12,432-12,439.
  2. Cheon, S.H., B.D. Hamlington, K.D. Suh, 2018: Reconstruction of sea level around Korean Peninsula using cyclostationary empirical orthogonal functions, Ocean Science, 14(15), 959-970.
  3. Hamlington, B.D., A. Burgos, P.R. Thompson, F.W. Landerer, C.G. Piecuch, S. Adhikari, L. Caron, J.T. Reager, E.R. Ivins, 2018: Observation-Driven Estimation of Spatial Variability of 20th Century Sea Level Rise, Jour. Geophys. Res. Oceans, 123 (3), 2129-2140.
  4. Nerem, R.S., B.D. Beckley, J.T. Fasullo, B.D. Hamlington, D. Masters, 2018: Climate-change-driven accelerated sea-level rise detected in the altimeter era, PNAS, 201717312.
  5. Carson, M., A. Koehl, D. Stammer, B. Meyssignac, J.A. Church, J. Schroeter, M. Wenzel, B.D. Hamlington, 2017: Regional sea level variability and trends, 1960-2007 - A comparison of sea level reconstructions and ocean syntheses, Jour. Geophys. Res. Oceans, 122(11), 9068-9091.
  6. Bekaert, D., B.D. Hamlington, B. Buzzanga, C.E. Jones, 2017: Spaceborne Synthetic Aperture Radar Survey of Subsidence in Hampton Roads Virginia, Scientific Reports, 7(1), 14752.
  7. Nidheesh, A.G., M. Lengaigne, J. Vialard, T. Izumo, A. Unnikrishnan, B. Meyssignac, B.D. Hamlington, C. Montegut, 2017: Robusteness of observationally-derived decadal sea-level variability in the Indo-Pacific region, Geophys. Res. Letter, 44(14), 7391-7400.
  8. Hamlington, B.D., J.T. Reager, M.H. Lo, K. Karnauskas, R.R. Leben, 2017: Separating global water cycle variability from sea level rise, Scientific Reports, 7.
  9. Hamlington, B. D., S.H. Cheon, R.R. Leben, 2017: Multivariate Sea Level Reconstruction 1900 to 2014, Nature Scientific Data, in press.
  10. Han, W., G.A. Meehl, D.Stammer, A. Hu, B.D. Hamlington, J. Kenigson, H. Palanisamy, and P.R. Thompson. 2017: Spatial Patterns of Sea Level Variability Associated with Natural Internal Climate Modes. Surveys in Geophysics, 38(1), 217-250.
  11. Thompson, P. R., B. D. Hamlington, F. W. Landerer, and S. Adhikari 2016: Are long tide gauge records in the wrong place to measure global mean sea level rise?, Geophys. Res. Lett., 43, 10,403-10,411.
  12. Hamlington, B. D., P.R. Thompson, W. C. Hammond, G. Blewitt, and R. D. Ray, 2016: Assessing the impact of vertical land motion on twentieth century global mean sea level estimates, J. Geophys. Res. Oceans, 121, 4980-4993.
  13. Hamlington, B. D., S. H. Cheon, P. R. Thompson, M. A. Merrifield, R. S. Nerem, R. R. Leben, and K.-Y. Kim, 2016: An ongoing shift in Pacific Ocean sea level, J. Geophys. Res. Oceans, 121, 5084-5097.
  14. Fasullo, J. T., R. S. Nerem, and B.D. Hamlington. 2016: Is the Detection of Accelerated Sea Level Rise Imminent? Scientific Reports 6 (August): 31245.
  15. Kim, K.-Y., B. D. Hamlington, H. Na, and J. Kim. 2016: Mechanism of Seasonal Arctic Sea Ice Evolution and Arctic Amplification. The Cryosphere 10 (5). Katlenburg-Lindau, Germany: Copernicus GmbH: 2191-2202.
  16. Merrifield, M.A., Leuliette, E., Thompson, P., Chambers, D., Hamlington, B.D., Jevrejeva, S., Marra, J.J., Menéndez, M., Mitchum, G.T., Nerem, R.S., Sweet, W.A; Swart, W. 2016: Sea level variability and change [in "State of the Climate in 2015"]. Bulletin of the American Meteorological Society, 97 (8 (Supplement)). S80-S82.
  17. Hamlington, B. D., Leben, R.R., Kim, K.-Y., Nerem, R.S., Atkinson, L.P., Thompson, P.R. 2015: The effect of the El Niño-Southern Oscillation on U.S. regional and coastal sea level, J. Geophys. Res. Oceans, 120, 3970-3986.
  18. Hamlington, B. D., and P. R. Thompson, 2015: Considerations for estimating the 20th century trend in global mean sea level. Geophys. Res. Lett., 42, 4102-4109.
  19. Hamlington, B. D., R. F. Milliff, H. van Loon, and K.-Y. Kim, 2015: A Southern Hemisphere sea level pressure-based precursor for ENSO warm and cold events, J. Geophys. Res. Atmos., 120, 2280-2292.
  20. Hamlington, B. D., P. E. Hamlington, S. G. Collins, S. R. Alexander, and K.-Y. Kim, 2015: Effects of climate oscillations on wind resource variability in the United States, Geophys. Res. Lett., 42, 145-152.
  21. Kim, K.-Y., B.D. Hamlington, and H. Na. 2015: Theoretical Foundation of Cyclostationary EOF Analysis for Geophysical and Climatic Variables: Concepts and Examples. Earth-Science Reviews 150 (November): 201-18.
  22. Strassburg, M.W., Hamlington, B.D., Leben, R.R., Kim, K.-Y., 2014: Sea Level Trends in the South East Asian Seas, Clim. Past, 10(5), 4129-4148.
  23. Hamlington, B.D., Strassburg, M.W., Leben, R.R., Han, W., Nerem, R.S., Kim, K.-Y., 2014: Uncovering an anthropogenic sea-level rise signal in the Pacific Ocean, Nat. Clim. Change, 4, 782-785.
  24. Strassburg, M.W., Hamlington B.D., Leben, R.R., Kim, K.-Y., 2014: A comparative study of sea level reconstruction techniques using 20 years of satellite altimetry data, Jour. of Geophys. Res., 119, 7, 4068-4082.
  25. Hamlington, B.D., Leben, R.R., Strassburg, M.W., Kim, K.-Y., 2014: Cyclostationary Empirical Orthogonal Function Sea Level Reconstruction, Geosci. Data Jour., 1:13-19.
  26. Merrifield, M.A., Thompson, P., Leuliette, E., Nerem, R.S., Hamlington, B.D., Chambers, D.P., Mitchum, G.T., McInnes, K., Marra, J.J., Menéndez, M., Sweet, W. 2014: [Global oceans] Sea level variability and change [in "State of the Climate in 2013"]. Bull. Amer. Meteor. Soc., 95 (7), S71-S73.
  27. Hamlington, B.D., Leben, R.R., Strassburg, M.W., Nerem, R.S., Kim, K.-Y., 2013: Contribution of the Pacific Decadal Oscillation to Global Mean Sea Level Trends, Geophys. Res. Lett., 40, 50950.
  28. Han, W., Meehl, G.A., Hu, A., Alexander, M.A., Yamagata, T., Yuan, D., Ishii, M., Pegion, P., Zheng, J., Hamlington, B.D., Quan, X-W., Leben, R.R., 2013: Intensification of Decadal and Multi-Decadal Sea Level Variability in the Western Tropical Pacific During Recent Decades, Clim. Dyn., DOI: 10.1007/s00382-013-1951-1.
  29. Hamlington, B.D., Leben, R.R., Wright, L.A., Kim, K.-Y., 2012: Regional Sea Level Reconstruction in the Pacific Ocean, Marine Geodesy, 35, 98-117.

  30. Hamlington, B.D., Leben, R.R., Kim, K.-Y., 2012: Improving Sea Level Reconstructions Using Non-Sea Level Measurements, Jour. Geophys. Res, 117, C10025.
  31. Hamlington, B.D., Leben, R.R., Godin, O.A., Gica. E., Titov. V.V., Haines, B.J., Desai, S.D., 2012: Could Satellite Altimetry Have Improved Early Detection and Warning of the 2011 Tohoku Tsunami?, Geophys. Res. Lett., 39, L15605.
  32. Leben, R.R., Hamlington, B.D., Haines, B.J., 2012: SEASAT and GEOSAT revisited: using sea level measurements to improve satellite altimeter orbits, Jour. of Astro. Sci., 58:3.
  33. Hamlington B.D., Leben R.R., Nerem R.S., Han, W., Kim K.-Y., 2011: Reconstructing sea level using cyclostationary empirical orthogonal functions, Jour. Geophys. Res, 116, C12015.
  34. Hamlington B.D., Leben, R.R., Godin, O.A., Legeais, J.F., Gica, E., Titov, V.V., 2011: Detection of 2010 Chilean tsunami using satellite altimetry, Nat. Hazards Earth Syst. Sci., 11, 2391-2406.
  35. Hamlington B.D., Leben R.R., Nerem R.S., Kim K.-Y., 2011: The effect of signal-to-noise ratio on the study of sea level trends, J. Climate, 24, 1396-1408.

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