Scientific
papers
(for
non-technical publications, scroll to bottom)
Ecology
Frazer, L.N.,
Krkosek, M. and Morton,
A. (2012) Critical thresholds in sea lice epidemics: evidence, sensitivity and
subcritical estimation, Proceedings
of the Royal Society, B., Published online Jan 4, 2012. doi:10.1098/rspb.2011.2210
Frazer, L.N.
(2009) Sea-cage aquaculture, sea lice, and declines of wild fish, Conservation
Biology, 23(3), 599–607.
Frazer, L.N.
(2008). Sea lice infection models for fishes, Journal of Mathematical
Biology, 57, 595–611.
Frazer, L.N.
(2007) Comment on ÓSea lice on adult Pacific salmon in the coastal waters of
British Columbia, CanadaÓ by R.J. Beamish et al., Fisheries
Research, 85, 328–331.
Krkosek, M., Lewis, M.A., Morton, A., Frazer, L.N.
and Volpe, J. (2006) Epizootics of wild fish induced by farm fish, Proceedings of the
National Academy of Sciences, 103(42), 15506–15510.
Frazer, L.N.,
(2006) Reliability of reported sea lice levels on salmon farms in British
Columbia. Fishbytes, 12(1), 3.
Shoreline change
Kane, H.H.,
Fletcher, C.H., Romine, B.M., Anderson, T.R., Frazer, L.N. and Barbee, M.M.
(2012) Vulnerability assessment of HawaiʻiÕs
cultural assets attributable to erosion using shoreline trend analysis
techniques. Journal
of Coastal Research, 28(3): 533 – 539.
Anderson, T.R.,
Frazer, L.N. and Fletcher, C.H. (2010) Transient and persistent shoreline
change from a storm. Geophys. Res. Lett., 37,
L08401, doi:10.1029/2009GL042252
Conger, C.L.,
Fletcher, C.H., Hochberg, E., Frazer, L.N. and Rooney, J. (2009) Remote sensing
of sand distribution patterns across an insular shelf: Oahu, Hawaii. Marine
Geology, 267:175–190.
Romine, B.M.,
Fletcher, C.H., Frazer, L.N., Genz, A.S., Barbee,
M.M. & Lim, S.C. (2009) Historical shoreline change, southeast Oahu,
Hawaii: Applying polynomial models to calculate shoreline change rates. Journal of Coastal
Research, 25(6), 1236–1253.
Frazer, L.N.,
Anderson, T.R. and Fletcher, C.H. (2009) Correction to "Modeling storms
improves estimates of shoreline change", Geophys. Res. Lett., 37,
L20401, doi:10.1029/2009GL041993.
Frazer, L.N.,
Anderson, T.R. and Fletcher, C.H. (2009) Modeling storms improves estimates of
shoreline change, Geophys. Res. Lett., 36,
L20404, doi:10.1029/2009GL040061.
Frazer, L.N., Genz, A.S. & Fletcher, C.H. (2009) Toward parsimony in
shoreline change prediction (I): basis function methods. Journal of Coastal
Research, 25(2), 366–379.
Genz, A.S., Frazer, L.N. & Fletcher, C.H.
(2009) Toward parsimony in shoreline change prediction (II): applying basis
function methods to real and synthetic data. Journal of Coastal Research,
25(2), 380–392.
Genz, A. S., Fletcher, C. H., Dunn, R. A., Frazer,
L. N. and Rooney, J. J., (2007). The Predictive Accuracy of Shoreline Change
Rate Methods and Alongshore Beach Variation on Maui, Hawaii, Journal of
Coastal Res., 23(1), 87–105.
Seismology, acoustics,
volcanology, . . .
Klawonn, M., C. J. Wolfe, L. N. Frazer, and B. F. Houghton (2012), Novel
inversion approach to constrain plume sedimentation from tephra deposit data:
Application to the 17 June 1996 eruption of Ruapehu
volcano, New Zealand, J.
Geophys. Res., 117, B05205,
doi:10.1029/2011JB008767.
Nosal,
E.-M. and Frazer, L.N. (2008). Pair-wise spectrogram processing used to track a
sperm whale, Canadian Acoustics, 36(1), 132–138.
Nosal,
E.-M. and Frazer, L.N. (2007). Sperm whale three-dimensional track, swim
orientation, beam pattern, and click levels observed on bottom-mounted
hydrophones, J.
Acoust. Soc. Am., 122(4),
1969–1978.
Nosal,
E.-M. and Frazer, L.N. (2007). Modified pair-wise spectrogram processing for
localization of unknown broadband sources, IEEE J.
Oceanic Eng., 32(3), 721–728.
¯yvind Engen, ¯., Frazer, L.N., Wessel, P. and Faleide,
J.I. (2007), Prediction of sediment thickness in the Norwegian-Greenland sea
from gravity inversion, JGR-Solid Earth,
111, B11403, doi:10.1029/2005JB003924
Patrick,
M., Frazer, L.N. and Brooks, B. (2006). Probabilistic modeling of eruptive
activity at Etna volcano 1996–2000 using surface deformation and radiant
heat flux, Geophys. Res. Lett., 33,
L18312, doi:10.1029/2006GL026983
Nosal,
E.-M., and Frazer, L. N., 2006. Track of a sperm whale from delays between
direct and surface-reflected clicks, Applied
Acoustics, 67,1187–1201.
Brooks,
B.A., Foster, J.H., Bevis, M., Frazer, L.N., Wolfe, C., and Behn,
M., 2006. Periodic slow earthquakes on the flank of Kilauea volcano, HawaiÕi, Earth
Plan. Sci. Lett., 246, 207–216.
Nosal,
E.-M., and Frazer, L.N., 2006. Pair-wise processing of spectrograms for
localization of multiple broadband CW sources, IEEE OES Newsletter, 41,
8–13.
Brooks,
B.F. and Frazer, L.N., 2005. Importance reweighting reduces dependence on
temperature in Gibbs samplers: an application to the inverse coseismic geodetic problem, Geophys. J. Int., 161, 12–20.
Fu,
Shung-Sheng, Tao, C., Prasad, M., Wilkens,
R. H., and L. N. Frazer, 2004. Acoustic properties of coral sands, Waikiki,
Hawaii, J. Acoust. Soc. Am., 115,
2013–2020.
Tiemann,
C.O., Porter, M.B., and Frazer, L.N., 2004. Localization of marine mammals near
Hawaii using an acoustic propagation model, J. Acoust.
Soc. Am., 115, 2834–2843.
Isoun,
E., Fletcher, C., Frazer, N. and Gradie, J., 2003.
Multi-spectral mapping of reef bathymetry and coral cover; Kailua Bay, Hawaii, Coral
Reefs, 22, 68–82.
Gorgas,
Thomas J., Wilkens, R. H., Fu, Shung-Sheng,
Frazer, L. N., Richardson, M. D., Briggs, K. B., and Lee, H. J., 2002. In situ
acoustic and laboratory ultrasonic soundspeed and
attenuation measured in heterogeneous soft seabed sediments: Eel River shelf,
California, Marine Geology, 182, 103-119.
Mercado,
E. and Frazer, L.N., 2001. Humpback whale song or humpback whale sonar: a reply
to Au et al., IEEE. J. Ocean Eng., 26, 406–415.
Sun,
X. H. and Frazer, L. N., 2000. Shear wave attenuation profile from sonic dipole
well-log data, Geophys. Res. Lett., 27, 285–288.
Sun,
X. H., Tang, X. M., Cheng, C. H., and Frazer, L. N., 2000. P- and Swave attenuation logs from monopole sonic data, Geophysics,
65, 755-765.
Frazer,
L. N. and Mercado, E., 2000. A sonar model for humpback whale song, IEEE. J.
Ocean Eng., 25, 160–182.
Frazer,
L. N., Fu, Shung-Sheng, and Wilkens,
R. H., 1999. Seabed sediment attenuation profiles from a movable subbottom acoustic vertical array, J. Acoust. Soc. Am., 106, 120–130.
Mercado,
E., & Frazer, N., 1999. Environmental constraints on sound transmission by
humpback whales. J. Acoust. Soc. Am., 106,
3004–3016.
Fu,
S.S., Wilkens, R.H., and Frazer, L.N., 1999. New
instrument for in situ velocity and attenuation profiles,. In: Zang, R. and J. Zhou (eds.), Shallow-Water Acoustics,
China Ocean Press, Beijing, 597–603.
Frazer,
L. N., & Sun, Xinhua, 1998. New objective functions for waveform inversion,
Geophysics, 63(1), 1-10.
Frazer,
L. N., Sun, Xinhua,& Wilkens, R. H., 1997.
Changes in attenuation with depth in an ocean carbonate section: ODP sites 806
and 807,Ontong Java Plateau, J. Geophys. Res.,
102, 2983-2998.
Frazer,
L. N., Sun, Xinhua, & Wilkens, R. H., 1997.
Inversion of sonic waveforms with unknown source and receiver functions, Geophys. J. Int., 129, 579-586.
Fu,
S. S., Wilkens, R. H., & Frazer, L. N., 1996. In
situ velocity profiles in gassy sediments: Eckernfoerde
Bay, Geo-Marine Lett., 16, 249-253.
Fu,
S. S., Wilkens, R. H., and Frazer, L. N., 1996.
Acoustic Lance: New in situ seafloor velocity profiles, J. Acoust. Soc. Am., 99, 234-242.
Frazer,
L.N., 1995. SH propagation in rocks with planar fractures-I. Excess slowness, Geophys. J. Int., 122, 33-62.
Bromirski,
P. B., Frazer, L. N., and Duennebier, F. K., 1995.
The Q-gram method: Q from instantaneous phase, Geophys.
J. Int., 120, 73-86.
Frazer,
L. N., 1994. A pulse in a binary sediment, Geophys.
J.Int., 118, 75-93.
Nolte,
B. and Frazer, L. N., 1994. Vertical seismic profile inversion with genetic
algorithms, Geophys. J. Int., 117,
162-178.
Tolstoy,
A. and Frazer, L. N., 1993. Maximizing matched field processing output used in
a new approach to ocean acoustic tomography, in: Computational
Acoustics-Volume 2, pp. 79-84, edited by D.Lee, A.R.Robinson and R.Vichnevetsky,
North-Holland, Amsterdam.
Rudman,
A. J., Mallick, S., Frazer, L. N., and Bromirski, P. B., 1993. Workstation computation of
synthetic seismograms for vertical and horizontal profiles: a full wavefield response for a 2D layered halfspace,
Computers & Geosciences, 19, 447-474.
Nolte,
B., Frazer, L. N., and Mallick, S., 1992. Seismogram
synthesis for azimuthally anisotropic media with a single slowness integration,
Geophys. J. Int., 111, 127-140.
Bromirski,
P., Frazer, L. N., and Duennebier, F., 1992. Shear Q
of sediments from spectral ratios of converted basement reflections, Geophys. J. Int., 110, 465-485.
Sen, M.K.
and Frazer, L. N., 1991. Multifold phase space path integral synthetic
seismograms, Geophys. J. Int., 104,
479-487.
Mallick,
S. and Frazer, L. N., 1991. Reflection/transmission coefficients and azimuthal
anisotropy in marine seismic studies, Geophys.
J. Int., 105, 241-252.
Tolstoy,
A., Diachok, O., and Frazer, L. N., 1991. Acoustic
Tomography via matched field processing, J. Acoust.
Soc. Am., 89, 1119-1127.
Bromirski,
P., Frazer, L. N., and Duennebier, F. K., 1991.
Sediment Qbeta from spectral ratios of converted
basement reflections, in: Shear Waves in Marine Sediments, edited by T.
J. Hovem, M. D. Richardson, and R. D. Stoll, pp.
361-368. Kluwer Academic, The Netherlands.
Mallick,
S., and Frazer, L. N., 1990. Computation of synthetic seismograms for
stratified azimuthally anisotropic media, J. Geophys.
Res., 95, 8513-8526.
Mallick,
S. and Frazer, L. N., 1990. Synthesis of Po/So for a variety of oceanic models
and their implications for the structure of the oceanic upper mantle, Geophys. J. Int., 100, 235-253.
Frazer,
L. N., 1990. Dynamic elasticity of microbedded and
fractured rocks, J. Geophys. Res., 95,
4821-4831.
Frazer,
L. N. and Pecholcs, P. I., 1990. Single-Hydrophone
Localization, J. Acoust. Soc. Am., 88,
995-1002.
Basu, A.,
and Frazer, L. N., 1990. Rapid determination of critical temperature in
simulated annealing inversion, Science, 249, 1409-1412.
Frazer,
L. N., 1989. Review of ÒMigration of Seismic DataÓ, G.H. Gardner (ed.), EOS,
70, 116.
Frazer,
L. N. and Fryer, G. J., 1989. Useful properties of the system matrix for a
homogeneous anisotropic elastic solid, Geophys.
J. R. Astr. Soc., 97, 173-177.
Frazer,
L. N., 1988. Quadrature of wavenumber integrals, pp. 279-290 in: Handbook of
Seismological Algorithms, edited by D. J. Doornbos,
Academic Press.
Mallick, S.
and Frazer, L. N., 1988. Rapid computation of multi-offset VSP synthetic
seismograms in a stratified medium, GEOPHYSICS, 53, 479-491.
Sen, M. K.,
Frazer, L. N., Chapman, N. R. and Mallick, S., 1988.
Analysis of multipath sound propagation in the ocean near 50¼N, 128¼W, J. Acoust. Soc. Am., 83, 588-597.
Frazer,
L. N., and Rudman, A. J., 1988. Seismic modeling in the (τ,ρ)
domain, Indiana Geological Survey Occasional Paper 54.
Schoenberg,
M., Mallick, S., and Frazer, L. N., 1988. Synthetic
shear VSP's in azimuthally anisotropic media, Exploration Geophysics (Australia),
19, 151-157.
Frazer,
L. N., 1987. Review of ÒSeismic Wave Propagation in Stratified MediaÓ by B. L.
N. Kennett, EOS, 68, 79.
Butler,
R., McCreery, C. S., Frazer, L. N., and, Walker, D.
A., 1987. High frequency seismic attenuation of Oceanic P- and S-waves in the
Western Pacific, J. Geophys. Res., 92,
1383-1396.
McCoy,
J. J. and Frazer, L. N., 1987. Pseudodifferential
operators, operator orderings, marching algorithms and path integrals for
one-way wave equations, Wave Motion, 9, 413-427.
Frazer,
L. N., 1987. Synthetic seismograms using multi-fold path integrals, Part I:
Theory, Geophys. J. R. astr.
Soc., 88, 621-646.
Brocher, T.
M. and Frazer, L. N., 1987. A comparison of two algorithms for the calculation
of synthetic seismograms in two-dimensional media, Geophys.
Res. Lett.,14, 801-803.
Sen, M. K. and
Frazer, L. N., 1987. Synthetic seismograms using multifold path integrals, Part
II: Computations, Geophys. J. R. astr. Soc., 88, 647-671.
Mallick, S.
and Frazer, L. N., 1987. Practical aspects of reflectivity modeling, GEOPHYSICS,
52, 1355-1364.
Fryer,
G. J. and Frazer, L. N., 1987. Seismic waves in stratified anisotropic
media-II. Elastodynamic eigensolutions
for some anisotropic systems, Geophy. J. R.
astr. Soc., 91, 73-101.
Frazer,
L. N. and McCoy, J. J., 1986. An acoustic reflectivity method for laterally
varying media, in: Ocean Seismo-Acoustics, T.
Akal and J.M. Berkson (eds.), pp. 47-56, Plenum
Press, New York.
McCoy,
J. J., Fishman, L. and Frazer, L. N., 1986. Propagation modeling based on wavefield factorization and invariant embedding, in: Ocean
Seismo-Acoustics, T. Akal and J. M. Berkson (eds.), pp. 39-46, Plenum Press, New York.
Lienert, B.R.
and Frazer, L. N., 1986. Evaluation of seismometer arrays for earthquake
location, Geological Survey of Indiana, occasional paper series., paper
No. 52.
Frazer,
L. N., 1986. Applications of multi-fold Kirchhoff-Helmholtz integrals to sound
propagation in the ocean, Part I: theory, J. Acoust.
Soc. Am., 79, 1748-1759.
McCoy,
J. J., Fishman, L. and Frazer, L. N., 1986. Reflection and transmission at an
interface separating transversely inhomogeneous acoustic half spaces, Geophys. J. R. astr.
Soc., 85, 543-562.
Lienert, B.
R., Berg, E. and Frazer, L. N., 1986. HYPOCENTER: An earthquake location method
using centered, scaled and adaptively damped least squares, Bull. Seism.
Soc. Am., 76, 771-783.
McCoy,
J. J. and Frazer, L. N., 1986. A propagation model for range dependent
transversely inhomogeneous media, Geophys.
J. R. astr. Soc., 86, 703-717.
Frazer,
L. N. and Sen, M. K., 1985. Kirchhoff-Helmholtz
reflection seismograms in a laterally inhomogeneous multi-layered elastic
medium, part I: theory, Geophys. J. R. astr. Soc., 80, 121-147.
Frazer,
L. N., Bates, D. L. and Rudman, A. J., 1985. Generation of vertically incident
seismograms, Indiana Geological Survey, occasional paper No. 49.
Sen, M. K. and
Frazer, L. N. 1985. Kirchhoff-Helmholtz reflection seismograms in a laterally
inhomogeneous multi-layered medium, Part II: Computations, Geophys.
J. R. astr. Soc., 82, 415-437.
Carter,
J. A. and Frazer, L. N., 1984. Accommodating lateral velocity changes in
Kirchhoff migration by means of Fermat's principle, GEOPHYSICS, 49,
46-53.
Frazer,
L. N. and Gettrust, J. G., 1984. On a generalization
of Filon's method and the computation of the
oscillatory integrals of seismology, Geophys.
J. R. astr. Soc.,76, 461-481.
Frazer,
L. N., 1984. Frequency Domain AGC, GEOPHYSICS, 49, 492.
Frazer,
L. N. and Sinton, J. B., 1984. A Kirchhoff method for the computation of
finite-frequency body wave synthetic seismograms in a laterally inhomogeneous
medium, Geophys. J. R. astr.
Soc., 78, 413-429.
Fryer,
G. J. and Frazer, L. N., 1984. Seismic waves in stratified anisotropic media, Geophys. J. R. astr.
Soc., 78, 691-710.
Spudich, P.
and Frazer, L. N., 1984. Use of ray theory to calculate high frequency
radiation from earthquake sources having spatially variable rupture velocity
and stress drop, Bull. Seism. Soc. Am., 74, 2061-2082.
Frazer,
L. N., 1983. Two problems in spectral WKBJ theory: the interpolation of sampled
velocity profiles and the use of frequency dependent, complex velocities,Geophys. J. astr.
Soc., 72, 193-211.
Carter,
J. A. and Frazer, L. N., 1983. A method of modeling reflection data from media with
lateral velocity changes, J. Geophys. Res., 88,
6469-6476.
Frazer,
L. N. and Bates, D. L., 1983. Unconditionally stable reflectivity calculations,
in: Acoustics and the Sea-Bed, N. G. Pace (ed.), Bath University Press, Claverton Down, England, pp. 139-145, 1983.
Frazer,
L. N., 1982. Invariant expressions for radiation from a fault with prescribed
slip, Geophys. J. R. astr.
Soc., 70, 529-533.
Sinton,
J. B. and Frazer, L. N., 1982. A method for the computation of finite frequency
body wave synthetic seismograms in laterally varying media: numerical examples,
Geophys. J. R. astr.
Soc., 71, 37-55.
Carter,
J. and Frazer, L. N., 1982. Rapid F-K migration of zero-offset seismic
reflection data, J. Geophys. Res., 87,
9365-9373.
Brocher, T.
M., Iwatake, B. T., Gettrust,
J. F., Sutton, G. H., and Frazer L. N., 1981. Comparison of the signal to noise
ratios of low frequency hydrophones and geophones as a function of ocean depth,
Bull. Seism. Soc. Am., 71, 1649-1659.
Gettrust, J.
F. and Frazer, L. N., 1981. A computer model study of the propagation of the
long range Pn phase, Geophys.
Res. Lett., 8, 749-752.
Frazer,
L. N. and Rudman, A. J., 1981. Generation of synthetic seismograms for an
acoustic layer over an acoustic half space, Indiana Geological Survey,
Occasional Paper Series, No. 35, Bloomington, Indiana 47405.
Phinney, R.
A., Chowdhury, K. R. and Frazer, L. N., 1980.
Transformation and analysis of record sections, J. Geophys.
Res., 86, 359-377. This paper was also reprinted in the book Slant
Stack Processing, G. H. F. Gardner & L. Lu (eds.) Soc. Expl. Geophys., Tulsa, OK, 1991.
Frazer,
L. N. and Phinney, R. A., 1980. A theory for the
computation of finite frequency synthetic seismograms in an inhomogeneous
medium, Geophys. J. R. astr.
Soc., 63, 691-717.
Jordan,
T. H. and Frazer, L. N., 1980. Reply to ÒComments on `Crustal and Upper Mantle
Structure' by T. H. Jordan and L. N. FrazerÓ by N. K. Bulin,
J. Geophys. Res., 85, 381-382.
Frazer,
L. N., 1979. A new derivation of the displacement potentials for motion in a
homogeneous isotropic elastic medium, Geophys.
J.R. astr. Soc., 59, 389-397.
Frazer,
L. N., 1978. Synthesis of Shear-coupled PL, Ph.D. thesis, Princeton
University.
Frazer,
L. N., 1977. Use of the spherical layer matrix in inhomogeneous media, Geophys. J. R. astr.
Soc., 50, 743-749.
Jordan,
T. H., and Frazer, L. N., 1975. Crustal and Upper mantle structure from Sp
phases, J. Geophys. Res., 80,
1504-1518.
Non-technical publications
Frazer,
Neil, 2010. Testimony
to NOAA regarding Ocean Aquaculture.
Frazer,
Neil, 2010. Boat Camping Haida Gwaii,
2nd edition, 176pp, ISBN 13: 978-1-55017-487-8, Harbour Publishing, Madeira Park, Canada.
Frazer,
Neil, 2010. A visit to Norway – and the sea lice follies of BC (feature
article). Sustainable
Coast, Thursday, June 17.
Frazer,
Neil, 2010. Open ocean aquaculture can be destructive (editorial). Star
Advertiser, Tuesday Jan 24, Honolulu, Hawaii.
Frazer,
Neil 2009. Letter to Senators. Food
and Water Watch, 28 July, 2009.
Frazer,
Neil, 2008. A Canadian tragedy. SalmonAreSacred.org
Frazer,
Neil, 2007. Sea lice physics without the math. Gulf Trollers News.
Frazer,
Neil., 2006. College of Science needs new core curriculum, Ka
Leo O Hawaiʻi, 100(132),
5.
Frazer,
Neil, n.d. Questions and answers with Dr. Neil Frazer
on infectious salmon anaemia. Georgia Strait
Alliance.
Frazer,
Neil, 2005. "Looking for Kayak Bill," Sea
Kayaker, 108, 18.
Frazer,
Neil, 2004. "Sea lice and scientists: Notes for Rafe
Mair," Notes for a radio interview, October 14,
2004, Canadian Sablefish
Association.
Frazer,
Neil, 2004. "Clotheslining: Lining-out your small boat," Pacific Yachting,
(July, August and September issues), Vancouver, Canada.
Frazer,
Neil, 2003. A scientist looks at BC salmon aquaculture (article). Saltspring News Sunday March 23. Saltspring Island, Canada.
Frazer,
Neil, 2002. Debate continues over 2001 sea lice investigation. Fisherman Life, August 2002, vol. 2,
issue 7, pp 5–9. Anchor Publishing, Port Moody, Canada.
Frazer,
Neil, 2002. DFO sea lice response questioned. Fisherman Life, February 2002, vol. 2, issue 1, p. 6. Anchor
Publishing, Port Moody, Canada.