Steve Elgar Publications

 

1. Elgar, Steve, R.T. Guza, and R.J. Seymour, 1984 Groups of waves in shallow water, J. Geophysical Research 89, 3623-3634.

 

2. Elgar, Steve, R.T. Guza, and R.J. Seymour, 1985 Wave group statistics from numerical simulations of a random sea, Applied Ocean Research 7, 93-96.

 

3. Elgar, Steve, and R.T. Guza, 1985 Shoaling gravity waves:  a comparison between data, linear finite depth theory  and  a  nonlinear  model, J. Fluid Mechanics 158, 47-70.

 

4. Elgar, Steve, and R.T. Guza, 1985 Observations of bispectra of shoaling surface gravity waves, J. Fluid Mechanics 161, 425-448.

 

5. Elgar, Steve, and R.T.  Guza, 1986 Nonlinear model predictions of bispectra of shoaling surface gravity waves, J. Fluid Mechanics 167, 1-18.

 

6. Elgar, Steve, 1987 Bias of estimates of effective degrees of freedom of a spectrum, ASCE J. Waterway, Port,  Coastal,  and  Ocean Engineering 113, 77-82.

 

7. Elgar, Steve, 1987 Relationships involving third moments and  bispectra of  a  harmonic  process, IEEE  Acoustics,  Speech, and Signal Processing 35, 1725-1726.

 

8. Elgar, Judi, and Steve Elgar, 1988 Kelvin Helmholtz instability in the atmosphere, Eos (COVER) 69, 171.

 

9. Elgar, Steve, and R.T. Guza,  1988  Statistics of bicoherence, IEEE Acoustics, Speech, and Signal Processing 36, 1667-1668.

 

10. Elgar, Steve, 1988 Comment on ‘Fourier transform filtering:  a cautionary note,’ by   A.M.G.   Forbes, J. Geophysical Research 93, 15755-15756.

 

11. Elgar, Steve, R.T. Guza, and M.H. Freilich, 1988 Eulerian  measurements of horizontal accelerations in shoaling gravity waves, J. Geophysical Research 93, 9261-9269.

 

12. Elgar, Steve, and G. Mayer-Kress, 1989 Observations of the fractal dimension of deep- and shallow-water ocean waves, Physica D37, 104-108.

 

13. Elgar, Steve, C.W. Van Atta, and M. Gharib, 1989 Bispectral analysis of ordered and  chaotic  vortex  shedding  from  vibrating  cylinders, Physica D39, 281-286.

 

14. Elgar, Steve, and Gloria Sebert, 1989 Statistics of bicoherence and biphase, J. Geophysical Research 94, 10993-10998.

 

15. Elgar, Steve, C.W. Van Atta, and M.  Gharib, 1990 Cross-bispectral analysis of the coupling between a vibrating cylinder and its wake in low Reynolds number flow, J. Fluids and Structures 4, 59-71.

 

16. Mitchell, K., L. James, Steve Elgar, and M. Pitts, 1990 Characterizing cyclic water level fluctuations in irrigation canals, ASCE J. Irrigation and Drainage 116, 261-272.

 

17. Elgar, Steve, M.H. Freilich, and R.T. Guza, 1990 Recurrence in truncated Boussinesq models for nonlinear waves in shallow water. J. Geophysical Research 95, 11547-11556.

 

18. Pezeshki, C., Steve Elgar, and R.C. Krishna, 1990 Bispectral analysis of systems possessing chaotic motion, J. Sound & Vibration 137, 357-368.

 

19. Freilich, M.H., R.T.  Guza, and Steve Elgar, 1990 Observations of nonlinear effects in directional spectra of shoaling surface gravity waves, J. Geophysical Research 95, 9645-9656.

 

20. Elgar, Steve, M.H. Freilich, and R.T. Guza, 1990 Model-data comparisons of moments of nonbreaking shoaling surface gravity waves, J. Geophysical Research 95, 16055-16063.

 

21. Chandran, V. and Steve  Elgar,  1990 Bispectral analysis of 2-D random processes, IEEE Acoustics, Speech, and Signal Processing 38, 2181-2186.

 

22. Pezeshki, C., Steve Elgar, and R.C. Krishna, 1991 An examination of multi-frequency excitation of the buckled beam, J.  Sound & Vibration 148, 1-9.

 

23. Pezeshki, C., W. H. Miles, and  Steve Elgar, 1991 Signal Processing for nonlinear structural  dynamical systems, ASME  Applied  Mechanics Reviews 44, S214-S218.

 

24. Chandran, V. and Steve Elgar, 1991 Mean and variance of estimates of the bispectrum of a harmonic random process:  an analysis including effects of spectral leakage, IEEE Signal Processing 39, 2640-2651.

25. Hagelberg, Teresa, Nick Pisias, and Steve Elgar, 1991 Linear and nonlinear coupling between orbital forcing and the marine Elgar publications record during the late Neogene, Paleoceanography 6, 729-746.

 

26. Elgar, Steve, R. T. Guza, M. H. Freilich, and M. Briggs, 1992 Laboratory simulations of directionally spread shoaling waves, ASCE J. Waterway, Port, Coastal, and Ocean Engineering 118, 87-103.

 

27. Wallerstein, G. and Steve Elgar, 1992 Shockwaves in stellar atmospheres and breaking waves on an ocean beach, Science 256, 1531-1536.

 

28. Elgar, Steve, R.T.  Guza, and M.H. Freilich, 1992 Dispersion, nonlinearity, and viscosity in shallow-water waves:   Model results and laboratory comparisons, ASCE J. Waterway,   Port, Coastal, and Ocean Engineering 119, 351-366.

 

29. Pezeshki, C., Steve Elgar, R.C. Krishna, and T.D. Burton, 1992 Auto-  and cross-bispectral analysis of a system  of  two  coupled  oscillators with quadratic nonlinearities possessing chaotic motion. J. Applied Mechanics 59, 657-663.

 

30. Miles, W.H., C. Pezeshki, and Steve Elgar, 1992 Bispectral analysis of a fluid elastic system; the cantilevered pipe, J. of Fluids and Structures 6, 633-640.

 

31. Elgar, Steve, T. H. C. Herbers, M.  Okihiro, J. Oltman-Shay, and R.T. Guza, 1992 Observations of infragravity waves, J. Geophysical Research 97, 15573-15577.

 

32. Chandran, V., and Steve Elgar, 1993 Pattern recognition using invariants defined from higher-order spectra: one-dimensional inputs, IEEE Acoustics, Speech, and Signal Processing 41, 205-212.

 

33. Liu, Z., Steve Elgar, and R.T. Guza, 1993 Groups of ocean waves:  comparisons between linear theory, approximations to linear theory, and observations, ASCE J. Waterway, Port, Coastal, and Ocean Engineering 119, 144-159.

 

34. Elgar, Steve and M.P. Kennedy, 1993 Bispectral analysis of Chua's circuit, J. Circuits, Systems, and Computers 3, 33-48. (Reprinted in Chua's Circuit: A Paradigm for Chaos, Ed R. Madan, Series on Nonlinear Science, Series B, Vol 1, 892-907, World Scientific, Singapore, 1993.)

 

35. Chandran, V., Steve Elgar, and C. Pezeshki, 1993 Bispectral  and  trispectral characterization of transition to chaos in the Duffing  oscillator, International J. Bifurcation and Chaos 3, 551-557.

 

36. Elgar, Steve and Vinod Chandran, 1993 Higher-order spectral analysis to detect nonlinear interactions in measured time series and an application to Chua's circuit, International J. Bifurcation and Chaos 3, 19-34.

 

37. Elgar, Steve, R.T. Guza, and M.H. Freilich, 1993 Observations of nonlinear interactions in directionally spread shoaling surface gravity waves, J. Geophysical Research 98, 20299-20305.

 

38. Elgar, Steve and Vinod Chandran, 1993 Higher-order spectral analysis of Chua's circuit, IEEE Transactions on Circuits and Systems 40, 689-692.

 

39. Elgar, Steve, and James Kadtke, 1993 Paleoclimatic attractors:  New data, further analysis, International J. Bifurcation and Chaos 3, 1587-1590.

 

40. Chandran, V. and Steve Elgar, 1994 A general procedure for the derivation of principal domains of higher-order spectra, IEEE Signal Processing 42, 229-233.

 

41. Chandran, V., Steve Elgar, and B. Vanhoff, 1994 Statistics of tricoherence, IEEE Signal Processing 42, 3430-3440.

 

42. Herbers, T.H.C., Steve Elgar, and R.T. Guza, 1994 Infragravity-frequency (0.005-0.05 Hz) motions on the shelf, Part I: Local nonlinear forcing by surface waves, J. Physical Oceanography 24, 917-927.

 

43. Elgar, Steve, T.H.C. Herbers, and R.T. Guza, 1994 Reflection of ocean surface gravity waves from a natural beach, J. Physical Oceanography 24, 1503-1511.

 

44. Herbers, T.H.C., Steve Elgar, R.T. Guza, and W.C. O'Reilly, 1995 Infragravity-frequency (0.005-0.05 Hz) motions on the shelf, Part II: Free waves, J. Physical Oceanography 25, 1063-1079.

 

45. Elgar, Steve, T.H.C. Herbers, V. Chandran, and R.T. Guza, 1995 Higher-order spectral analysis of nonlinear ocean surface gravity waves, J. Geophysical Research 100, 4977-4983.

 

46. Raubenheimer, B., R.T. Guza, Steve Elgar, and N. Kobayashi, 1995 Swash on a gently sloping beach, J. Geophysical Research 100, 8751-8760.

 

47. Herbers, T.H.C., Steve Elgar, and R.T. Guza, 1995 Generation and propagation of infragravity waves, J. Geophysical Research 100, 24,863-24,872.

 

48. Gallagher, Edith, W. Boyd, Steve Elgar, R.T. Guza, B.T. Woodward, 1996 Performance of a sonar altimeter in the nearshore, Marine Geology 133, 241-248.

 

49. Raubenheimer, B., R.T. Guza, and Steve Elgar, 1996 Wave transformation in the inner surf zone, J. Geophysical Research 101, 25,589-25,597.

 

50. Chandran, V., B. Carswell, B. Boashash, and Steve Elgar, 1997 Pattern recognition using invariants defined from higher-order spectra -- two-dimensional inputs, IEEE Transactions on Image Processing 6, 703-712.

 

51. Vanhoff, B. and Steve Elgar, 1997 Simulating quadratically nonlinear random processes, International J. Bifurcation and Chaos 7, 1367-1374.

 

52. Vanhoff, B., Steve Elgar, and R.T. Guza, 1997 Numerically simulating nonGaussian sea surfaces, ASCE J. Waterway, Port, Coastal, and Ocean Engineering 123, 68-72.

 

53. Elgar, Steve, R.T. Guza, B. Raubenheimer, T.H.C. Herbers, and Edith Gallagher, 1997 Spectral evolution of shoaling and breaking waves on a barred beach, J. Geophysical Research 102, 15,797-15,805.

 

54. Chen, Yongze, R.T. Guza, and Steve Elgar, 1997 Modeling spectra of breaking surface waves in shallow water, J. Geophysical Research 102, 25,035-25,046.

 

55. Gallagher, Edith, Steve Elgar, and R.T. Guza, 1998 Observations of sand bar evolution on a natural beach, J. Geophysical Research 103, 3203-3215.

 

56. Raubenheimer, B., Steve Elgar, and R.T. Guza, 1998 Estimating wave heights from pressure measured in a sand bed, ASCE J. Waterway, Port, Coastal, and Ocean Engineering 124, 151-154.

 

57. Feddersen, Falk, R.T. Guza, Steve Elgar, and T.H.C. Herbers, 1998 Alongshore momentum balances in the nearshore, J. Geophysical Research 103, 15,667-15,676.

 

58. Norheim, C., T.H.C. Herbers, and Steve Elgar, 1998 Nonlinear evolution of surface wave spectra on a beach, J. Physical Oceanography 28, 1534-1551.

 

59. Gallagher, Edith, Steve Elgar, and E.B. Thornton, 1998 Megaripple migration in a natural surfzone, Nature 394, 165-168.

 

60. Elgar, Steve, B. Vanhoff, L. Aguirre, U. Freitas, and V. Chandran, 1998 Higher-order spectra of nonlinear polynomial models for Chua's circuit, International J. Bifurcation and Chaos 8, 2425-2431.

 

61. Herbers, T.H.C., Steve Elgar, and R.T. Guza, 1999 Directional spreading of waves in the nearshore, J. Geophysical Research 104, 7683-7693.

 

62. Lentz, Steve, R.T. Guza, Steve Elgar, Falk Feddersen, and T.H.C. Herbers, 1999 Momentum balances on the North Carolina inner shelf, J. Geophysical Research, 104, 18,205-18,226.

 

63. Raubenheimer, B., R.T. Guza, and Steve Elgar, 1999 Tidal watertable fluctuations in a sandy ocean beach, Water Resources Research 35, 2313-2320.

 

64. Herbers, T.H.C., N.R. Russnogle, and Steve Elgar, 2000 Spectral energy balance of breaking waves within the surf zone, J. Physical Oceanography 30, 2723-2737.

 

65. Feddersen, Falk, R.T. Guza, Steve Elgar, and T.H.C. Herbers, 2000 Velocity moments in alongshore bottom stress parameterizations, J. Geophysical Research 105, 8673-8686.

 

66. Elgar, Steve, R.T. Guza, W.C. O'Reilly, B. Raubenheimer, and T.H.C. Herbers, 2001 Wave energy and direction observed near a pier, ASCE J. Waterway, Port, Coastal, and Ocean Engineering 127, 2-6.

 

67. Elgar, Steve, Edith Gallagher, and R.T. Guza, 2001 Nearshore sand bar migration, J. Geophysical Research 106, 11,623-11,627.

 

68. Elgar, Steve, 2001 Coastal profile evolution at Duck, North Carolina: A cautionary note, J. Geophysical Research 106, 4625-4627.

 

69. Raubenheimer, B., R.T. Guza, and Steve Elgar, 2001 Field observations of wave-driven setdown and setup, J. Geophysical Research 106, 4629-4638.

 

70. Elgar, Steve, B. Raubenheimer, and R.T. Guza, 2001 Current meter performance in the surfzone, J. Atmospheric & Oceanic Technology 18, 1735-1746.

 

71. Trowbridge, J. and Steve Elgar, 2001 Turbulence measurements in the surfzone, J. Physical Oceanography 31, 2403-2417.

 

72. Ruessink, G., J. Miles, F. Feddersen, R.T. Guza, and Steve Elgar, 2001 Modeling the alongshore current on barred beaches, J. Geophysical Research 106, 22,451-22,463. 

 

73. Herbers, T.H.C, Steve Elgar, N.A. Sarap, and R.T. Guza, 2002 Nonlinear dispersion of surface gravity waves in shallow water, J. Physical Oceanography 32, 1181-1193.

 

74. Noyes, T. James, R.T. Guza, Steve Elgar, and T.H.C. Herbers, 2002 Comparison of methods for estimating nearshore shear wave variance, J. Atmospheric & Oceanic Technology 19, 136-143. 

 

75. Chandran, V., Steve Elgar, and A. Nguyen, 2002 Detection of mines in acoustic images using higher-order spectral features, IEEE J. Oceanic Engineering 27, 610-618.

 

76. Sheremet, A., R.T. Guza, Steve Elgar, and T.H.C. Herbers, 2002 Observations of nearshore infragravity waves: Part 1: Seaward and shoreward propagating components, J. Geophysical Research 107, 3095, doi:10.1029/2001JC000970.

 

77. Schmidt, W.E., B.T. Woodward, K.S. Millikan, R.T. Guza, B. Raubenheimer, and Steve Elgar, 2003 A GPS-tracked surfzone drifter, J. Atmospheric and Oceanic Technology 20, 1069-1075.

 

78. Trowbridge, J. and Steve Elgar, 2003 Spatial scales of stress-carrying nearshore turbulence, J. Physical Oceanography 33, 1122-1128.

 

79. Herbers, T.H.C., Mark Orzech, Steve Elgar, and R.T. Guza, 2003 Shoaling transformation of wave frequency-directional spectra, J. Geophysical Research 108, 3013, doi:10.1029/2001JC001304.

 

80. Feddersen, F., E.L. Gallagher, R.T. Guza, and Steve Elgar, 2003 The drag coefficient, bottom roughness, and wave breaking in the nearshore, Coastal Engineering 48, 189-195.

 

81. Lentz, S., Steve Elgar, and R.T. Guza, 2003 Observations of the flow field near the nose of a buoyant coastal current, J. Physical Oceanography 33, 933-943.

 

82. Coco, Giovanni, T.K. Burnett, B.T. Werner, and Steve Elgar, 2003 Test of self-organization in beach cusp formation, J. Geophysical Research 108, 3101, doi:10.1029/2002JC001496.

 

83. Elgar, Steve, B. Raubenheimer, T.H.C. Herbers, 2003 Bragg reflection of ocean waves from sandbars, Geophysical Research Letters 30, 1016, doi:10.1029/2002GL016351.

 

84. Hoefel, Fernanda and Steve Elgar, 2003 Wave-induced sediment transport and sandbar migration, Science 299, 1885-1887.

 

85. Noyes, T. James, R.T. Guza, Steve Elgar, and T.H.C. Herbers, 2004 Field observations of shear waves in the surf zone, J. Geophysical Research 109, doi:10.1029/2002JC001761.

 

86. Raubenheimer, B., Steve Elgar, and R.T. Guza, 2004 Observations of swashzone velocities: a note on friction coefficients, J. Geophysical Research 109, 1027, doi:10.1029/2003JC001877.

 

87. Feddersen, F., R.T. Guza, and Steve Elgar, 2004 Inverse modeling of the one-dimensional setup and alongshore current in the nearshore, J. Physical Oceanography 34, 920-933.

 

88. Coco, Giovanni, Tom K. Burnett, B.T. Werner, and Steve Elgar, 2004 The role of tides in beach cusp development, J. Geophysical Research 109, 4011, doi:10.1029/2003JC002154.

 

89. Ciriano, Yolanda, Giovanni Coco, K.R. Bryan, and Steve Elgar, 2005 Field observations of swash zone infragravity motions and beach cusp formation, J. Geophysical Research 110, 2018, doi:10.1029/2004JC002485.

 

90. Gallagher, Edith, Steve Elgar, R.T. Guza, and E.B. Thornton, 2005 Estimating nearshore bedform amplitudes with altimeters, Marine Geology 16, 51-57, doi:10.1016/j.margeo.2005.01.005.

 

91. Seymour, Richard, R.T. Guza, William O'Reilly, and Steve Elgar, 2005 Rapid erosion of a small Southern California beach fill, Coastal Engineering 52, 151-158, doi:10.1016/j.coastaleng.2004.10.003.

 

92. Noyes, T. James, R.T. Guza, F. Feddersen, Steve Elgar, and T.H.C. Herbers, 2005 Model-data comparisons of shear waves in the nearshore, J. Geophysical Research 110, C05019, doi:10.1029/2004JC002541.

 

93. Elgar, Steve, B. Raubenheimer, and R.T. Guza, 2005 (COVER) Quality control of acoustic Doppler velocimeter data in the surfzone, Measurement Science and Technology 16, 1889-1893.

 

94. Thomson, Jim, Steve Elgar, and T.H.C. Herbers, 2005 Reflection and tunneling of ocean waves observed at a submarine canyon, Geophysical Research Letters 32, L10602, doi:10.1029/2005GL022834.

 

95. Henderson, Stephen, R.T. Guza, Steve Elgar, and T.H.C. Herbers, 2006 Refraction of surface gravity waves by shear waves, J. of Physical Oceanography, 36, 629-635.

 

96. Farquharson, G., S.J. Frasier, B. Raubenheimer, and Steve Elgar, 2005 Microwave radar cross sections and Doppler velocities measured in the surf zone, J. Geophysical Research, 110, doi:1029/2005JC003022.

 

97. Hsu, T.-J., Steve Elgar, and R.T. Guza, 2006  Wave-induced sediment transport and onshore sandbar migration, Coastal Engineering 53, 817-824.

 

98. Thomson, Jim, Steve Elgar, T.H.C. Herbers, Britt Raubenheimer, and R.T. Guza, 2006 Tidal modulation of infragravity waves via nonlinear energy losses in the surfzone, Geophysical Research Letters 33, L05601, doi:10.1029/2005GL025514. 

 

99. Henderson, Stephen, R.T. Guza, Steve Elgar, T.H.C. Herbers, and A.J. Bowen, 2006 Nonlinear generation and loss of infragravity wave energy, J. Geophysical Research 111, C12007, doi:10.1029/2006JC003539.

 

100. Apotsos, Alex, Britt Raubenheimer, Steve Elgar, R.T. Guza, and Jerry Smith, 2007 The effects of wave rollers and bottom stress on setup, J. Geophysical Research 112, C02003, doi:10.1029/2006JC003549.

 

101. Thomson, Jim, Steve  Elgar, T.H.C. Herbers, Britt Raubenheimer, and R.T. Guza, 2007 Refraction and reflection of infragravity waves near submarine canyons, J. Geophysical Research, 112, C10009, doi:10.1029/2007JC004227

 

102. Apotsos, Alex, Britt Raubenheimer, Steve Elgar, and R.T. Guza, 2008 Testing and calibrating parametric wave transformation models on natural beaches, Coastal Engineering 55, 224-235 (doi:10.1016/j.coastaleng.2007.10.002).

 

103. Apotsos, Alex, Britt Raubenheimer, Steve Elgar, and R.T. Guza, 2008 Wave-driven setup and alongshore flows observed onshore of a submarine canyon J. Geophysical Research 113, C07025, doi:10.1029/2007JC004514.

 

104. Elgar, Steve and Britt Raubenheimer, Wave dissipation by muddy seafloors, 2008 Geophysical Research Letters, L07611, doi:10.1029/2008GL033245.

 

105. Falchetti, Sylvia, Daniel Conley, Maurizio Brocchini, and Steve Elgar, 2010 Nearshore bar migration and sediment-induced buoyancy effects, Continental Shelf Research 30, 226-238.

 

106. Elgar, Steve and Britt Raubenheimer, 2010 Currents in small channel on a sandy tidal, Continental Shelf Research, 31, 9-14, doi: 10.1016/j.csr.2010.10.007

 

107. Gorrell, L., B. Raubenheimer, Steve Elgar, R.T. Guza, SWAN predictions of waves observed in shallow water onshore of complex bathymetry, Coastal Engineering, 58, 510-516

 

108. Gast, R., L. Gorrell, B. Raubenheimer, S. Elgar, Impact of erosion and accretion on the distribution of enterococci in beach sands, Continental Shelf Research, 31, 1457-1461.

 

109. Raubenheimer, Britt, D. Ralston, Steve Elgar, D. Giffen, and R. Signell, 2012 Winds on the Skagit tidal flats, Continental Shelf Research, doi:10.1016/j.csr.2012.02.001.

 

110. Elgar, Steve, Britt Raubenheimer, Jim Thomson, and Melissa Moulton, 2012. Resonances in an evolving hole in the swash zone, J. Waterway, Port, Coastal, and Ocean Engineering 138, 299-302.

 

111. Pavel, V., Britt Raubeneheimer, and Steve Elgar, 2012 Processes controlling stratification on the northern Skagit Bay tidal flats, Continental Shelf Research http://dx.doi.org/10.1016/j.csr.2012.06.012.

 

112. Englestad, Anita, T. Janssen, T.H.C. Herbers, G. van Vledder, Steve Elgar, Britt Raubenheimer, Lincoln Trainer, and Ana Garcia-Garcia, 2012 Wave evolution across the Louisiana shelf, Continental Shelf Research 52, 190-202, http://dx.doi.org/10.1016/j.csr.2012.10.005.

 

113. Clark, David, Steve Elgar, and Britt Raubenheimer, 2012 (COVER). Vorticity generation by short-crested wave breaking, Geophysical Research Letters, 39, L24604, doi: 10.1029/2012GL054034.