Falk Feddersen: Curriculum Vitae

Education

  • Ph.D. Scripps Institution of Oceanography, Physical Oceanography, 1999
  • B.S. New York University, Computer Science, 1993 (Phi Beta Kappa)
  • B.E. Stevens Institute of Technology, Electrical Engineering, 1993 (Valedictorian)

Research Experience

  • 2013- Professor, SIO
  • 2008-2013 Associate Research Oceanographer, SIO
  • 2003-2008 Assistant Research Oceanographer, SIO
  • 2000-2002 Postdoctoral Scholar, WHOI
  • 1999-2000 Post-doctoral Researcher, SIO
  • 1997 Participant in SandyDuck Field Experiment, Duck N.C.
  • 1993-1999 Graduate Research Assistant, SIO

Students

  • Tom Zdyrski, defended May 2021
  • Derek Grimes, defended Sept 2020
  • Gregory Sinnett, defended May 2018
  • Kai Hally-Rosendahl, defended Nov 2015
  • David B. Clark, defended December 2010,
  • Melissa M. Omand, defended January 2011, Asst. Prof University of Rhode Island

Journal Publications

  1. Feddersen, F., R. T. Guza, S. Elgar, and T. H. C. Herbers, Alongshore Momentum Balances in the Nearshore, J. Geophys. Res., 103, 15,667-15,676, 1998.
  2. Feddersen, F., Weakly Nonlinear Shear Waves, J. Fluid Mech., 372, 71-91, 1998.
  3. Lentz S. J., R. T. Guza, S. Elgar, F. Feddersen, and T. H. C. Herbers, Momentum Balances on the North Carolina Inner Shelf, J. Geophys. Res., 104, 18,205-18,226, 1999.
  4. Feddersen, F., R. T. Guza, S. Elgar, and T. H. C. Herbers, Velocity Moments in Alongshore Bottom Stress Parameterizations, J. Geophys. Res., 105, 8673--8686, 2000.
  5. Ruessink, B.G, J.R. Miles, F. Feddersen, R. T. Guza, and S. Elgar, Modeling the Alongshore Current on Barred Beaches, J. Geophys. Res., 106 22,451-22,463, 2001.
  6. Feddersen, F. and R. T. Guza, Observations of Nearshore Circulation: Alongshore Uniformity, J. Geophys. Res., 108, DOI: 10.1029/2001JC001293, 2003.
  7. Feddersen, F., E. Gallagher, R.T. Guza, and S. Elgar, The Drag Coefficient, Bed Roughness, and Wave Breaking in the Nearshore, Coastal Eng., 48, 189-195, 2003.
  8. Feddersen F., R.T. Guza, and S. Elgar, Inverse Modeling of the One-dimensional Setup and Alongshore Current in the Nearshore, J. Phys. Oceangr., 34, 920--933, 2004.
  9. Feddersen F., Effect of Wave Directional Spread on the Radiation Stress: Comparing Theory and Observations, Coastal Eng., 51, 473-481, 2004.
  10. Feddersen F. and F. Veron, Wind Effects on Shoaling Wave Shape, J. Phys. Oceangr., 35, 1223--1228, 2005.
  11. Noyes, T.J., R.T. Guza, F. Feddersen, S. Elgar, T.H.C. Herbers, Model-data comparisons of shear waves in the nearshore, J. Geophys. Res., 110, C05019, doi:10.1029/2004JC002541, 2005.
  12. Feddersen F. and J.H. Trowbridge, The Effect of Wave-breaking on Surfzone Turbulence and Alongshore Currents: A Modeling Study, J. Phys. Oceangr., 35, 2187-2203, 2005.
  13. Feddersen F. and A. J. Williams 3d, Direct Estimation of the Reynolds Stress Vertical Structure in the Nearshore, J. Atmos. Oceanic Tech., 24, 102-116, 2007.
  14. Feddersen F. J. H. Trowbridge, and A. J. Williams 3d, Vertical structure of dissipation in the nearshore, J. Phys. Oceangr., 37, 1764-1777, 2007.
  15. Spydell, M., F. Feddersen, R. T. Guza, W. Schmidt, Observing surfzone dispersion with drifters, J. Phys. Oceangr., 37, 2920-2939, 2007.
  16. Feddersen. F., Breaking wave induced cross-shore tracer dispersion in the surfzone: Model results and scalings, J. Geophys. Res., 112, C0912, doi:10.1029/2006JC004006, 2007.
  17. Spydell, M., and F. Feddersen, Lagrangian drifter dispersion in the surfzone: Directionally-spread normally-incident waves, J. Phys. Oceangr., 39, 809-830, DOI: 10.1175/2008JPO3892.1, 2009.
  18. Ladah, L.B., F. Feddersen, G.A. Pearson, and E.A. Serrao, Egg release and settlement patterns of dioecious and hermaphroditic fucoid algae during the tidal cycle , Marine Biology, doi: 10.1007/s00227-008-1054-42008, 2008.
  19. Omand, M., F. Feddersen, D. B Clark, P.J.S. Franks, J.J. Leichter, and R. T. Guza, The influence of bubbles and sand on chlorophyll fluorescence measurements in the surfzone, Limnology and Oceanography Methods, 7, 354-362, 2009.
  20. Clark, D. B., F. Feddersen, M. Omand, and R. T. Guza, Measuring Fluorescent Dye in the Bubbly and Sediment Laden Surfzone , Water, Air, Soil Pollution, DOI: 10.1007/s11270-009-0030-z, 2009.
  21. Spydell, M., F. Feddersen, and R.T. Guza, Observations of drifter dispersion in the surfzone: The effect of sheared alongshore currents, J. Geophys. Res. Oceans, 114, C07028, doi:10.1029/2009JC005328, 2009.
  22. Clark, D. B., F. Feddersen, and R.T. Guza, Cross-shore surfzone tracer dispersion in an alongshore current , J. Geophys. Res. Oceans, 115, C10035, doi:10.1029/2009JC005683, 2010.
  23. Feddersen, F., Quality controlling surfzone acoustic Doppler velocimeter observations to estimate the turbulent dissipation rate , J. Atmospheric Oceanic Tech., 27, 2039-2055, 2010.
  24. Omand, M., J. J. Leichter, P. Franks, R. T. Guza, A. J. Lucas, and F. Feddersen, Physical and biological processes underlying the sudden appearance of a red-tide surface patch in the nearshore, Limnology and Oceanography, 56, 787-801, 2011.
  25. Feddersen, F., D. B. Clark, and R. T. Guza, Modeling surfzone tracer plumes, part 1: Waves, mean currents, and low-frequency eddies J. Geophysical Res. Oceans, 116, C11027, doi:10.1029/2011JC007210, 2011.
  26. Clark, D. B., F. Feddersen, and R.T. Guza, Modeling surfzone tracer plumes, part 2: Transport and dispersion, J. Geophys. Res., 116, C11028, doi:10.1029/2011JC007211, 2011.
  27. Spydell, M. S. and F. Feddersen, The effect of a non-zero Lagrangian time-scale on bounded shear dispersion, J. Fluid Mech., 691, 69-94, doi:10.1017/jfm.2011.433, 2012.
  28. Feddersen, F., Observations of the surfzone turbulent dissipation rate, J. Physical Oceanogr., 42(3), 386-399, doi: 10.1175/JPO-D-11-082.1, 2012.
  29. Spydell, M. S. and F. Feddersen, A Lagrangian Stochastic Model of Surfzone Drifter Dispersion, J. Geophys. Res., 117, C03041, doi:10.1029/2011JC007701, 2012.
  30. Guza, R.T., and Feddersen, F., Effect of wave frequency and directional spread on shoreline runup, Geophys. Res. Letters, 39, L11607, doi:10.1029/2012GL051959, 2012.
  31. Omand, M., F. Feddersen, R. T. Guza, and P. Franks, Episodic vertical nutrient fluxes and nearshore phytoplankton blooms in Southern California, Limnology and Oceanography, 57(6), 1673-1688, doi:10.4319/lo.2012.57.6.1673, 2012.
  32. Feddersen, F., Scaling surf zone turbulence, Geophys. Res. Letters, 39, L18613, doi:10.1029/2012GL052970, 2012.
  33. Rippy, M. A., P. J. S. Franks, F. Feddersen, R. T. Guza, D. F. Moore, Factors controlling variability in nearshore fecal pollution: Fecal indicator bacteria as passive particles, Marine Pollution Bulletin, 66, 151-157, doi:10.1016/j.marpolbul.2012.09.030, 2013.
  34. Rippy, M. A., P. J. S. Franks, F. Feddersen, R. T. Guza, D. F. Moore, Factors controlling variability in nearshore fecal pollution: The effects of mortality, Marine Pollution Bulletin, 66, 191-198, doi:10.1016/j.marpolbul.2012.09.003, 2013.
  35. Rogers, J.S., S.G. Monismith, F. Feddersen, and C.D. Storlazzi, Hydrodynamics of Spur and Groove Formations on a Coral Reef, J. Geophys. Res., doi:10.1002/jgrc.20225, 2013.
  36. Rippy, M. A., P. J. S. Franks, F. Feddersen, R. T. Guza, J. A. Warrick, Beach Nourishment Impacts on Bacteriological Water Quality and Phytoplankton Bloom Dynamics, Environ. Sci. Tech., 47 (12), 6146–6154 doi:10.1021/es400572k, 2013.
  37. Feddersen, F., The generation of surfzone eddies in a strong alongshore current, J. Phys. Oceanogr., doi: 10.1175/JPO-D-13-051.1, 2014.
  38. Spydell, M. S., F. Feddersen, R. T. Guza, J. MacMahan, Relating Lagrangian and Eulerian horizontal eddy statistics in the surf zone, J. Geophys. Res., 119, doi: 10.1002/2013JC009415, 2014.
  39. Clark, D. B., L. Lenain, F. Feddersen, E. Boss, and R.T. Guza, Aerial imaging of fluorescent dye in the nearshore, J. Atmos. Oceanic Tech., 31, doi:10.1175/JTECH-D-13-00230.1, 1410-1421, 2014.
  40. Hally-Rosendahl, K., F. Feddersen, and R. T. Guza, Cross-shore tracer exchange between the surfzone and inner-shelf, J. Geophys. Res., doi:10.1002/2013JC009722, 2014. link.
  41. Sinnett, G., and F. Feddersen, The surfzone heat budget: The effect of wave heating, Geophys. Res. Lett., doi:10.1002/2014GL061398, 2014. link
  42. Kumar, N., F. Feddersen, J. C. McWilliams, Y. Uchiyama, and W. O'Reilly, Mid-shelf to surf zone coupled ROMS-SWAN model-data comparison of waves, currents, and temperature: Diagnosis of subtidal forcings and response, J. Phys. Oceangr., 45 1464-1490, doi:10.1175/JPO-D-14-0151.1, 2015. link
  43. Spydell, M. S. F. Feddersen, M. Olabarrieta, J. Chen, R. T. Guza, B. Raubenheimer, and S. Elgar, Observed and Modeled Drifters at a Tidal Inlet, J. Geophys. Res., 120, doi:10.1002/2014JC010541, 2015. link
  44. Suanda, S., and F. Feddersen, A self-similar scaling for cross-shelf exchange driven by transient rip currents, Geophys. Res. Letters, 42, 5427-5434, doi:10.1002/2015GL063944, 2015. link
  45. Hally-Rosendahl, K., F. Feddersen, D. B. Clark, and R. T. Guza, Surfzone to inner-shelf exchange estimated from dye tracer balances, J. Geophys. Res., doi:10.1002/2015JC010844, 2015. link
  46. Kumar, N., F. Feddersen, S. Suanda, J. C. McWilliams, and Y. Uchiyam,a Mid- to inner-shelf coupled ROMS-SWAN model-data comparison of currents and temperature: Diurnal and semi-diurnal variability, J. Phys. Oceangr., doi:10.1175/JPO-D-15-0103.1, 2015. link
  47. Suanda, S., S. Perez, and F. Feddersen, Evaluation of a source-function wavemaker for generating random directionally spread waves in the sea-swell band, Coastal Engineering, doi:10.1016/j.coastaleng.2016.04.006, 2016. link
  48. Hally-Rosendahl, K., and F. Feddersen, Modeling surfzone to inner-shelf tracer exchange, J. Geophys. Res., doi:10.1002/2015JC011530, 2016. link
  49. Sinnett, G., and F. Feddersen, Observations and parameterizations of surfzone albedo, Methods in Oceanography, doi:10.1016/j.mio.2016.07.001, 2016. link
  50. Feddersen, F., M. Olabarrieta, R. T. Guza, D. Winters, B. Raubenheimer, Steve Elgar, Observations and Modeling of a Tidal Inlet Dye Tracer Plume, J. Geophysical Res., 121, doi: 10.1002/2016JC011922, 2016. link
  51. Suanda, S., N. Kumar, A. J. Miller, E. DiLorenzo, K. Haas, D. Cai, C. A. Edwards, L. Washburn, M. Fewings, R. Torres, and F. Feddersen, Wind relaxation and a coastal buoyant plume north of Pt. Conception, CA: observations, simulations, and scalings, J. Geophysical Res., doi: 10.1002/2016JC011919, 2016. link
  52. Kumar, N., and F. Feddersen, The effect of Stokes drift and transient rip currents on the inner-shelf, part 1: No stratification J. Physical Oceanography, doi: 10.1175/JPO-D-16-0076.1, 2017. link
  53. Kumar, N., and F. Feddersen, The effect of Stokes drift and transient rip currents on the inner-shelf, part 2: With stratification, J. Physical Oceanography, doi: 10.1175/JPO-D-16-0077.1, 2017. link
  54. Kumar, N, and F. Feddersen, A new offshore transport mechanism for shoreline-released tracer induced by transient rip currents and stratification, Geophysical Res. Letters, doi: 10.1002/2017GL072611, 2017. link
  55. Suanda, S., F. Feddersen, and N. Kumar, The effect of barotropic and baroclinic tides on coastal stratification and mixing, J. Geophysical Research, doi:10.1002/2017JC013379, 2017. link.
  56. Morgan, S. G., A. L. Shanks, J. H. MacMahan, A. J. H. M. Reniers, and F. Feddersen, Planktonic subsidies to surf-zone and intertidal communities, Annual Review of Marine Science, doi: 10.1146/annurev-marine-010816-060514, 2018, link
  57. Sinnett, G., F. Feddersen, A. J. Lucas, G. Pawlak, and E. Terrill, Observations of Nonlinear Internal Wave Runup to the Surfzone, J. Physical Oceanography, doi:10.1175/JPO-D-17-0210.1, 2018. link
  58. Sinnett, G., and F. Feddersen, The Competing Effects of Breaking Waves on Surfzone Heat Fluxes: Albedo vs. Wave Heating, J. Geophys. Res., doi:10.1029/2018JC014284, 2018, link
  59. Suanda, S., F. Feddersen, M. S. Spydell, N. Kumar, The effect of barotropic and baroclinic tides on coastal dispersion, Geophys. Research Letters, 45, doi:10.1029/2018GL079884, 2018, link
  60. Spydell, M. S., F. Feddersen, and S. Suanda, Inhomogeneous Turbulent Dispersion across the Nearshore Induced by Surfzone Eddies, J. Physical Oceanography, doi:10.1175/JPO-D-18-0102.1, 2019, link
  61. Spydell, M. S., F. Feddersen, and J. H. MacMahan, The Effect of Drifter GPS Errors on Estimates of Submesoscale Vorticity, J. Atmospheric and Oceanic Tech., doi: 10.1175/JTECH-D-19-0108.1, 2019, link.
  62. Sinnett, G., and F. Feddersen, The Nearshore Heat Budget: Effects of Stratification and Surfzone Dynamics, J. Geophys. Res., doi:10.1029/2019JC015494, 2019, link
  63. Grimes, D. J., F. Feddersen, S. N. Giddings, E. A. Pawlak, Cross-shore Deformation of a Surfzone Released Dye Plume by an Internal Tide on the Inner-shelf, J. Physical Oceanography, doi:10.1175/JPO-D-19-0046.1, 2020, link
  64. Feddersen, F., J. H. MacMahan, T. M. Freismuth, Matt K. Gough, and Michael Kovatch, Inner shelf vertical and alongshore temperature variability in the subtidal, diurnal, and semidiurnal bands along the central California coastline with headlands, J. Geophysical Research, doi:10.1029/2019JC015347, 2020. link
  65. Grimes, D. J., F. Feddersen, N. Kumar, Tracer exchange across the stratified inner-shelf driven by transient rip currents and diurnal surface heat flux, Geophysical Research Letters, doi:10.1029/2019GL086501, 2020. link
  66. Wu, X., F. Feddersen, S. N. Giddings, N. Kumar, G. Gopalakrishnan, Mechanisms of mid-to-outer shelf transport of shoreline released tracer, J. Phys. Oceangr., doi:10.1175/JPO-D-19-0225.1, 2020. link
  67. Zdyrski, T. and F. Feddersen, Wind-Induced Changes to Surface Gravity Wave Shape in Deep to Intermediate Water, Journal of Fluid Mechanics, doi:10.1017/jfm.2020.628, 2020. link
  68. McSweeney, J. M., J. A. Lerczak, J.A. Barth, J. Becherer, J. A. MacKinnon, A. F. Waterhouse, J. A. Colosi, J. H. MacMahan, F. Feddersen, J. Calantoni, A. Simpson, S. Celona, M. C. Haller, E. Terrill, Alongshore Variability of Shoaling Internal Bores on the Inner Shelf. J. Phys. Oceanogr., doi:10.1175/JPO-D-20-0090.1, 2020 link
  69. Spydell, M. S., F. Feddersen, J. H. MacMahan, Dispersion on the inner shelf: Evidence of a Batchelor regime, J. Physical Oceanography, doi:10.1175/JPO-D-20-0170, 2021. link
  70. Wu, X., F. Feddersen, S. N. Giddings, Characteristics and dynamics of density fronts over the inner to mid-shelf under weak wind conditions, J. Phys. Oceangr., doi:10.1175/JPO-D-20-0162, 2021. link
  71. Kumar, N., et al., The Inner-Shelf Dynamics Experiment, Bulletin of the American Meterological Society, doi:10.1175/BAMS-D-19-0281.1, 2021. link
  72. Zdyrski, T. and F. Feddersen, Wind-Induced Changes to Surface Gravity Wave Shape in Shallow Water, Journal of Fluid Mechanics, doi:10.1017/jfm.2021.15, 2021. link
  73. Kovatch, M., F. Feddersen, D. G. Grimes, J. H. MacMahan, Vorticity recirculation and asymmetric generation at a small headland with broadband currents, J. Geophysical Res. Oceans, doi:10.1029/2020JC016639, 2021. link
  74. Grimes, D. J. and F. Feddersen, The self-similar stratified inner-shelf response to transient rip-current induced mixing, J. Fluid Mechanics, doi:10.1017/jfm.2021.140, 2021. link
  75. Matthew A. Pendergraft, Derek J. Grimes, Sarah N. Giddings, Falk Feddersen, Charlotte M. Beall, Christopher Lee, Mitchell V. Santander, Kimberly A. Prather, Atmospheric transport of coastal water pollution. PeerJ, doi:10.7717/peerj.11358, 2021.
  76. Wu, X., F. Feddersen, S. N. Giddings, Diagnosing surfzone impacts on inner-shelf flow spatial variability using realistic model experiments with and without surface gravity waves, J. Phys. Oceangr., doi:10.1175/JPO-D-20-0324, 2021. link
  77. Spydell, M. S., S. H. Suanda, D. J. Grimes, J. Becherer, J. M. McSweeney, J, C. Chickadel, M. Moulton, J. Thomson, J. lerczak, J. Barth, J. H. MacMahan, J. Colosi, R. Romeiser, A. F. Waterhouse, J. Calantoni, Falk Feddersen, Internal Bore Evolution Across the Shelf Near Pt.~Sal CA interpreted as a Gravity Current, J. Physical Oceanography, DOI: 10.1175/JPO-D-21-0095.1, 2021. link
  78. Grimes, D. J., F. Feddersen, and S. N. Giddings, Long-distance/time surf-zone tracer evolution affected by inner-shelf tracer retention and recirculation, J. Geophysical Research Oceans, doi:10.1029/2021JC017661, 2021. link
  79. Feddersen, F., A. B. Boehm, S. N. Giddings, X. Wu, D. Liden, Modeling Untreated Wastewater Evolution and Swimmer Illness for Four Wastewater Infrastructure Scenarios in the San Diego-Tijuana (US/MX) Border Region, GeoHealth, doi:10.1029/2021GH000490, 2021. link
  80. Wu, X., F. Feddersen, S. N. Giddings, Automated temporal tracking of coherently evolving density fronts in numerical models, J. Atmospheric Oceanic Tech., doi:10.1175/JTECH-D-21-0072.1, 2021. link
  81. Zdyrski, T. and F. Feddersen, Wind-Induced Changes to Shoaling Surface Gravity Wave Shape, Physical Review Fluids, doi:10.1103/PhysRevFluids.7.074802, 2022. link
  82. Feddersen, F., A. M. Fincham, K. L. Brodie, A. P. Young, M. S. Spydell, D. J. Grimes, M. Pieszka, K. G. Hanson, Cross-shore Wind-Induced Changes to Field-Scale Overturning Wave Shape, J. Fluid Mechanics, 10.1017/jfm.2023.40, 2023. link
  83. Feddersen, F., Andre Amador, Kanoa Pick, A. Vizuet, Kaden Quinn, Eric Wolfinger, J. H. MacMahan, and Adam Fincham, The wavedrifter: A low-cost IMU-based Lagrangian drifter to observe steepening and overturning of surface gravity waves and the transition to turbulence, Coastal Engineering Journal, doi:10.1080/21664250.2023.2238949, 2023. link
  84. Brasseale, E., F. Feddersen, X. Wu, Amity G. Zimmer-Faust, and S. N. Giddings, Performance of a one-dimensional model of wave-driven nearshore alongshore tracer transport and decay with application for dry weather coastal pollution, Environmental Science and Technology, 57, DOI: 10.1021/acs.est.2c08656, 2023. link
  85. Feddersen, F., Olavo B. Marques, J. H. MacMahan, and R. Grenzeback, Estimating directional wave spectra properties in non-breaking waves from a UAS-mounted multi-beam lidar, J. Oceanic and Atmospheric Tech., 10.1175/JTECH-D-23-0129.1, 2024. link
  86. Marques, O. B., F. Feddersen, and J. H. MacMahan, An Effective Water Depth Correction for Pressure-Based Wave Statistics on Rough Bathymetry, revised to J. Oceanic and Atmospheric Tech., 2024.
  87. Feddersen, F., K. G. Hanson, Wouter Mostert, A. M. Fincham, Modeling Wind-Induced Changes to Overturning Wave Shape, J. Fluid Mechanics, in press, 2024.
  88. Marques, O. B., F. Feddersen, J. H. MacMahan, Cesar Acevedo-Ramirez, Sutara H. Suanda, Observations of Wave Energy Dissipation by Bottom Friction on Rocky Shores, submitted to J. Physical Oceanography, 2024.
  89. Quinn, K. J., F. Feddersen, Marques, O. B., J. H. MacMahan, and Sutara H. Suanda, Depth-averaged Subtidal and Tidal Circulation off of a Rocky Shore, submitted to J. Geophysical Res. Oceans, 2024.

Invited Papers

  1. Editors: Nicole Elko, Falk Feddersen, Diane Foster, Cheryl Hapke, Jesse McNinch, Ryan Mulligan, H. Tuba Ozkan-Haller, Nathaniel Plant, and Britt Raubehmeimer, THE FUTURE OF NEARSHORE PROCESSES RESEARCH , Shore and Beach, Vol 83, No 1, 39-53, 2015.