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Ichiro Fukumori

Photo of Ichiro Fukumori


4800 Oak Grove Drive
M/S 300-323

Pasadena, CA 91109






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Curriculum Vitae:

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Member of:

Ocean Circulation And Air Sea Interaction


Employed By



  • B.S., Geophysics, University of Tokyo, Japan (1983)
  • Ph.D., Physical Oceanography, Joint Program in Oceanography, Massachusetts Institute of Technology and Woods Hole Oceanographic Institution (1989)

Research Interests

  • Analysis of ocean circulation using observations and models
  • Sea level change and ocean climate variability
  • Ocean state estimation and data assimilation
  • Numerical modeling of the ocean 

Selected Awards

  • NASA Exceptional Public Achievement Medal (2017)
  • NASA Group Achievement Award, Oceans Melting Greenland Team (2017, 2019)
  • NASA Exceptional Scientific Achievement Medal (2005)

Selected Publications

Journal Articles (Complete list at

  1. Fukumori, I., O. Wang, and I. Fenty, 2021: Causal Mechanisms of Sea-level and Freshwater Content Change in the Beaufort Sea. J. Phys. Oceanogr., 51, 3217-3234,
  2. Piecuch, C. G., I. Fukumori, and R. M. Ponte, 2021: Intraseasonal Sea-Level Variability in the Persian Gulf, J. Phys. Oceanogr., 51, 1687-1704,
  3. Hughes, C. W., I. Fukumori, and Coauthors, 2019: Sea level and the role of coastal trapped waves in mediating the influence of the open ocean on the coast, Surveys in Geophysics, 40, 1467-1492, doi:10.1007/s10712-019-09535-x.
  4. Heimbach, P., I. Fukumori, and Coauthors, 2019: Putting It All Together: Adding Value to the Global Ocean and Climate Observing Systems With Complete Self-Consistent Ocean State and Parameter Estimates. Frontiers in Marine Science, 6, doi: 10.3389/fmars.2019.00055
  5. Fukumori, I., P. Heimbach, R. M. Ponte, and C. Wunsch, 2018: A Dynamically Consistent, Multi-Variable Ocean Climatology, B Am Meteorol Soc, 99(10), 2107-2128, doi:10.1175/bams-d-17-0213.1.
  6. Fukumori, I., O. Wang, W. Llovel, I. Fenty, and G. Forget, 2015: A near-uniform fluctuation of ocean bottom pressure and sea level across the deep ocean basins of the Arctic Ocean and the Nordic Seas, Prog. Oceanogr., 134, 152-172, doi:10.1016/j.pocean.2015.01.013.
  7. Fukumori, I., and O. Wang, 2013: Origins of heat and freshwater anomalies underlying regional decadal sea level trends, Geophys. Res. Lett., 40 (3), 563-567, doi: 10.1002/grl.50164.
  8. Fukumori, I., D. Menemenlis, and T. Lee, 2007: A near-uniform basin-wide sea level fluctuation of the Mediterranean Sea, J. Phys. Oceanogr., 37, 338-358, doi:10.1175/Jpo3016.1.
  9. Fukumori, I., T. Lee, B. Cheng, and D. Menemenlis, 2004: The origin, pathway, and destination of Niño3 water estimated by a simulated passive tracer and its adjoint, J. Phys. Oceanogr., 34, 582-604, doi:10.1175/2515.1.
  10. Fukumori, I., 2002: A partitioned Kalman filter and smoother, Monthly Weather Review, 130, 1370-1383, doi:10.1175/1520-0493(2002)130<1370:Apkfas>2.0.Co;2.

Book Chapters

  1. Fukumori, I., 2015: Combining models and data in large-scale oceanography: Examples from the Consortium for Estimating the Circulation and Climate of the Ocean (ECCO), in “Advanced Data Assimilation for Geosciences: Lecture Notes of the Les Houches School of Physics: Special Issue, June 2012”, E. Blayo, M. Bocquet, E. Cosme, and L. F. Cugliandolo Eds., Oxford University Press, Oxford, UK, doi:10.1093/acprof:oso/9780198723844.003.0023.
  2. Fukumori, I., 2006: What is data assimilation really solving, and how is the calculation actually done?, in “Ocean Weather Forecasting: An Integrated View of Oceanography”, E. P. Chasignet and J.Verron, Eds., Springer, doi:10.1007/1-4020-4028-8_11.
  3. Fukumori, I., 2000: Data Assimilation by Models, in “Satellite Altimetry and Earth Sciences”, L.-L. Fu and A. Cazenave, editors, Academic Press, doi:10.1016/S0074-6142(01)80150-9.