HELLY, JOHN

Research Affiliate

DEGREES

  • 1975 M.A./B.A. in Biology, Occidental College, Los Angeles • 1978 M.S. in Biostatistics, UCLA
  • 1984 Ph.D. in Computer Science, UCLA

RESEARCH INTERESTS

  1. J. J. Helly, D. Cayan, T. Corringham, J. Stricklin, and T. Hillaire. Patterns of Water Use in California. San Francisco Estuary and Watershed Science, December 2021.
  2. Andrew Martin, F. Martin Ralph, Reuben Demirdjian, Laurel DeHaan, Rachel Weihs, John Helly, David Reynolds, Sam Iacobellis. Evaluation of Atmospheric River Predictions by the WRF Model Using Aircraft and Regional Mesonet Observations of Orographic Precipitation and Its Forcing, Journal of Hydrometeorology, 2018, 19(7): 1097-1113.
  3. F. M. Ralph, K. A. Prather, D. Cayan, J. R. Spackman, P. DeMott, M. Dettinger, C. Fairall, R. Leung, D. Rosenfeld, S. Rutledge, D. Waliser, A. B. White, J. Cordeira, A. Martin, J. Helly, and J. Intrieri. CalWater Field Studies Designed to Quantify the Roles of Atmospheric Rivers and Aerosols in Modulating U.S. West Coast Precipitation in a Changing Climate. Bulletin of the American Meteorological Society, 2016/01/15 2015.
  4. J. J. Helly, M. Vernet, A. E. Murray, and G. R. Stephenson. Characteristics of the meltwater field from a large Antarctic iceberg using δ18O. Journal of Geophysical Research: Oceans, March 27 2015.
  5. P. D. Bromirski, D. R. Cayan, J. J. Helly, and P. Wittmann. Wave Power Trends Across the North Pacific. Journal of Geophysical Research: Oceans, 1(1):1, Feb 2014.
  6. Estimating Cliff Retreat In Southern California Considering Sea Level Rise Using A Sand Balance Approach, January 2013, Marine Geology 348, DOI: 10.1016/j.margeo.2013.11.007
  7. M. Vernet, J. K. L. Smith, A. O. Cefarelli, J. Helly, R. S. Kaufmann, H. Lin, D. G. Long, A. E. Murray, B. H. Robison, T. S. H.A. Ruhl, A. Sherman, J. Sprintall, G. S. Jr., K. Stuart, and B. Twining. Islands of Ice: Influence of Free-Drifting Antarctic Icebergs on Pelagic Marine Ecosystems. Oceanography, 25(3):38-39, September 2012
  8. J. J. Helly, R. S. Kaufmann, M. Vernet, and G. R. Stephenson. Spatial characterization of the meltwater field from icebergs in the Weddell Sea. Proceedings of the National Academy of Sciences, 108(14):5492-5497, 2011.
  9. G. R. Stephenson Jr., J. Sprintall, S. T. Gille, M. Vernet, J. J. Helly, and R. S. Kaufmann. Subsurface melting of a free-floating Antarctic iceberg. Deep Sea Research Part II: Topical Studies in Oceanography, 58(11-12):1336-345, 06 2011.
  10. J. J. Helly, R. S. Kaufmann, G. R. Stephenson Jr., and M. Vernet. Cooling, dilution and mixing of ocean water by free-drifting icebergs in the Weddell Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 58(11-12):1346-1363, 2011. Free-Drifting Icebergs in the Southern Ocean.
  11. J. Helly. Digital Libraries In Hydrology. In P. Kumar, M. Folk, M. Markus, J. C. Alameda, and P. Bajcsy, editors, Hydroinformatics: Data Integrative Approaches in Computation, Analysis, and Modeling, page 552. Taylor and Francis, London, England, 2005.
  12. J. Helly and L. Levin. Global distribution of naturally occurring marine hypoxia on continental margins. Deep-sea Research I, pages 1159-168, 2004.

BIO

  • 2009-present Research Affiliate, Climate, Atmospheric Science and Physical Oceanography Division, Scripps Institution of Oceanography, UCSD
  • 2006-2015 Director of Computing, National Science Foundation Science and Technology Center for Multi-scale Modeling of Atmospheric Processes
  • 2001-2003 Instructor, Department of Cognitive Science, UCSD
  • 1998-2021 Laboratory Director for Earth and Environmental Science, San Diego Supercomputer Center, UCSD
  • 1994-1998 Senior Principal Scientist, San Diego Supercomputer Center, General Atomics
  • 1991-1994 Director, Data Management and Scientific Computing, MEC Analytical Systems, Carlsbad, CA
  • 1988-1991 Senior Scientist and Manager of Database Technology, Hughes Space and Communications Group, El Segundo, CA
  • 1982-1988 Systems Director, Advanced Projects, Space Flight Operations, Shuttle and GroundControl Systems, The Aerospace Corporation, El Segundo, CA
  • 1978-1981 Lecturer in Biochemistry, Department of Anesthesiology, UCLA Medical Center
  • 1976-1981 Senior Statistician, Department of Anesthesiology, UCLA Medical Center
  • 1977-1981 Statistical Consultant, Division of Thoracic Surgery, Department of Surgery, UCLA Medical Center
  • 1976-1977 Statistician, Child Trauma Intervention Project, Neuropsychiatric Institute, UCLAMedical Center
  • 1974-1975 Visiting Instructor in Biology, Occidental College, Los Angeles, CA