Publications


Backus, G., & Rieutord, M. (2017). Completeness of inertial modes of an incompressible inviscid fluid in a corotating ellipsoid. Physical Review E, 95(5). https://doi.org/10.1103/PhysRevE.95.053116
Backus, G., Parker, R. L., & Constable, C. (2005). Foundations of geomagnetism (Digitally printed 1st pbk.). Cambridge University Press.
Walker, A. D., & Backus, G. E. (1997). A six-parameter statistical model of the Earth’s magnetic field. Geophysical Journal International, 130(3), 693–700. https://doi.org/10.1111/j.1365-246X.1997.tb01863.x
Backus, G. E. (1996). Trimming and procrastination as inversion techniques. Physics of the Earth and Planetary Interiors, 98(3–4), 101–142. https://doi.org/10.1016/s0031-9201(96)03183-4
Walker, A. D., & Backus, G. E. (1996). On the difference between the average values of B-r(2) in the Atlantic and Pacific hemispheres. Geophysical Research Letters, 23(15), 1965–1968. https://doi.org/10.1029/96gl01854
Walker, A. D., & Backus, G. E. (1996). Is the non-dipole magnetic field random? Geophysical Journal International, 124(1), 315–319. https://doi.org/10.1111/j.1365-246X.1996.tb06373.x
Backus, G., Parker, R. L., & Constable, C. (1996). Foundations of Geomagnetism. Cambridge University Press.
Backus, G. E. (1989). Confidence Set Inference with a Prior Quadratic Bound. Geophysical Journal-Oxford, 97(1), 119–150. https://doi.org/10.1111/j.1365-246X.1989.tb00489.x
Ander, M. E., Zumberge, M. A., Lautzenhiser, T., Parker, R. L., Aiken, C. L. V., Gorman, M. R., Nieto, M. M., Cooper, A. P. R., Ferguson, J. F., Fisher, E., McMechan, G. A., Sasagawa, G., Stevenson, J. M., Backus, G., Chave, A. D., Greer, J., Hammer, P., Hansen, B. L., Hildebrand, J. A., … Wirtz, J. (1989). Test of Newton’s inverse-square law in the Greenland Ice Cap. Physical Review Letters, 62(9), 985–988. https://doi.org/10.1103/PhysRevLett.62.985
Backus, G. E. (1988). Comparing Hard and Soft Prior Bounds in Geophysical Inverse Problems. Geophysical Journal-Oxford, 94(2), 249–261. https://doi.org/10.1111/j.1365-246X.1988.tb05899.x
Backus, G. E. (1988). The Field Lines of an Axisymmetric Magnetic-Field. Geophysical Journal-Oxford, 93(3), 413–417. https://doi.org/10.1111/j.1365-246X.1988.tb03869.x
Backus, G. E. (1988). Bayesian-Inference in Geomagnetism. Geophysical Journal-Oxford, 92(1), 125–142. https://doi.org/10.1111/j.1365-246X.1988.tb01127.x
Backus, G. (1987). Isotropic Probability-Measures in Infinite-Dimensional Spaces. Proceedings of the National Academy of Sciences of the United States of America, 84(24), 8755–8757. https://doi.org/10.1073/pnas.84.24.8755
Backus, G. E., Estes, R. H., Chinn, D., & Langel, R. A. (1987). Comparing the Jerk with Other Global-Models of the Geomagnetic-Field from 1960 to 1978. Journal of Geophysical Research-Solid Earth and Planets, 92(B5), 3615–3622. https://doi.org/10.1029/JB092iB05p03615
Backus, G. E., & Mouël, J.-L. L. (1986). The region on the core—mantle boundary where a geostrophic velocity field can be determined from frozen-flux magnetic data. Geophysical Journal International, 85(3), 617–628. https://doi.org/10.1111/j.1365-246X.1986.tb04536.x
Backus, G. (1986). Poloidal and Toroidal Fields in Geomagnetic-Field Modeling. Reviews of Geophysics, 24(1), 75–109. https://doi.org/10.1029/RG024i001p00075
Voorhies, C. V., & Backus, G. E. (1985). Steady Flows at the Top of the Core from Geomagnetic-Field Models - the Steady Motions Theorem. Geophysical and Astrophysical Fluid Dynamics, 32(2), 163–173. https://doi.org/10.1080/03091928508208783
Backus, G., & Hough, S. (1985). Some Models of the Geomagnetic-Field in Western-Europe from 1960 to 1980. Physics of the Earth and Planetary Interiors, 39(4), 243–254. https://doi.org/10.1016/0031-9201(85)90137-2
Joyce, T., Backus, R., Baker, K., Blackwelder, P., Brown, O., Cowles, T., Evans, R., Fryxell, G., Mountain, D., Olson, D., Schlitz, R., Schmitt, R., Smith, P., Smith, R., & Wiebe, P. (1984). Rapid Evolution of a Gulf-Stream Warm-Core Ring. Nature, 308(5962), 837–840. https://doi.org/10.1038/308837a0
Backus, G. E. (1983). Application of mantle filter theory to the magnetic jerk of 1969. Geophysical Journal International, 74(3), 713–746. https://doi.org/10.1111/j.1365-246X.1983.tb01901.x
Backus, G. E. (1982). Limits of Validity of 1st-Order Perturbation-Theory for Quasi-P Velocity in Weakly Anisotropic Media - Reply. Journal of Geophysical Research, 87(NB6), 4641–4644. https://doi.org/10.1029/JB087iB06p04641
Shure, L., Parker, R. L., & Backus, G. E. (1982). Harmonic splines for geomagnetic modelling. Physics of the Earth and Planetary Interiors, 28(3), 215–229. https://doi.org/10.1016/0031-9201(82)90003-6
Backus, G. E. (1982). The Electric-Field Produced in the Mantle by the Dynamo in the Core. Physics of the Earth and Planetary Interiors, 28(3), 191–214. https://doi.org/10.1016/0031-9201(82)90002-4
Backus, G., Park, J., & Garbasz, D. (1981). On the relative importance of the driving forces of plate motion. Geophysical Journal International, 67(2), 415–435. https://doi.org/10.1111/j.1365-246X.1981.tb02758.x
Backus, G. E. (1979). L2 Form of Bernsteins Inequality. Proceedings of the National Academy of Sciences of the United States of America, 76(7), 3061–3064. https://doi.org/10.1073/pnas.76.7.3061
Backus, G. E. (1977). Seismic sources with observable glut moments of spatial degree two. Geophysical Journal International, 51(1), 27–45. https://doi.org/10.1111/j.1365-246X.1977.tb04188.x
Backus, G. E. (1977). Interpreting the seismic glut moments of total degree two or less. Geophysical Journal International, 51(1), 1–25. https://doi.org/10.1111/j.1365-246X.1977.tb04187.x
Backus, G., & Mulcahy, M. (1976). Moment tensors and other phenomenological descriptions of seismic sources—II. Discontinuous displacements. Geophysical Journal International, 47(2), 301–329. https://doi.org/10.1111/j.1365-246X.1976.tb01275.x
Backus, G., & Mulcahy, M. (1976). Moment Tensors and other Phenomenological Descriptions of Seismic Sources—I. Continuous Displacements. Geophysical Journal International, 46(2), 341–361. https://doi.org/10.1111/j.1365-246X.1976.tb04162.x
Backus, G. E. (1975). Gross Thermodynamics of Heat Engines in Deep Interior of Earth. Proceedings of the National Academy of Sciences of the United States of America, 72(4), 1555–1558. https://doi.org/10.1073/pnas.72.4.1555
Harbison, G. R., Smith, K. L., & Backus, R. H. (1973). Stygiomedusa-Fabulosa from North-Atlantic - Its Taxonomy, with a Note on Its Natural-History. Journal of the Marine Biological Association of the United Kingdom, 53(3), 615–617.
Backus, G., & Gilbert, F. (1970). Uniqueness in Inversion of Inaccurate Gross Earth Data. Philosophical Transactions of the Royal Society of London Series A-Mathematical and Physical Sciences, 266(1173), 123-. https://doi.org/10.1098/rsta.1970.0005
Backus, G. (1970). Inference from Inadequate and Inaccurate Data, Iii. Proceedings of the National Academy of Sciences of the United States of America, 67(1), 282-. https://doi.org/10.1073/pnas.67.1.282
Backus, G. (1970). Inference from Inadequate and Inaccurate Data .1. Proceedings of the National Academy of Sciences of the United States of America, 65(1), 1-. https://doi.org/10.1073/pnas.65.1.1
Backus, G. (1970). A Geometrical Picture of Anisotropic Elastic Tensors. Reviews of Geophysics and Space Physics, 8(3), 633-. https://doi.org/10.1029/RG008i003p00633
Backus, G., & Gilbert, F. (1969). Constructing P-Velocity Models to Fit Restricted Sets of Travel-Time Data. Bulletin of the Seismological Society of America, 59(3), 1407-.
Backus, G., & Gilbert, F. (1968). The Resolving Power of Gross Earth Data. Geophysical Journal International, 16(2), 169–205. https://doi.org/10.1111/j.1365-246X.1968.tb00216.x
Backus, G. E. (1968). Kinematics of Geomagnetic Secular Variation in a Perfectly Conducting Core. Philosophical Transactions of the Royal Society of London Series A-Mathematical and Physical Sciences, 263(1141), 239-. https://doi.org/10.1098/rsta.1968.0014
Gilbert, F., & Backus, G. E. (1968). Approximate Solutions to Inverse Normal Mode Problem. Bulletin of the Seismological Society of America, 58(1), 103-.
Backus, G. E. (1968). Application of a Non-Linear Boundary-Value Problem for Laplaces Equation to Gravity and Geomagnetic Intensity Surveys. Quarterly Journal of Mechanics and Applied Mathematics, 21, 195-. https://doi.org/10.1093/qjmam/21.2.195
Gilbert, F., & Backus, G. E. (1966). Propagator Matrices in Elastic Wave and Vibration Problems. Geophysics, 31(2), 326-. https://doi.org/10.1190/1.1439771
Gilbert, F., & Backus, G. (1965). Rotational Splitting of Free Oscillations of Earth 2. Reviews of Geophysics, 3(1), 1-. https://doi.org/10.1029/RG003i001p00001
Backus, G. E. (1965). Possible Forms of Seismic Anisotropy of Uppermost Mantle under Oceans. Journal of Geophysical Research, 70(14), 3429-. https://doi.org/10.1029/JZ070i014p03429
Backus, G. E. (1962). Long-Wave Elastic Anisotropy Produced by Horizontal Layering. Journal of Geophysical Research, 67(11), 4427-. https://doi.org/10.1029/JZ067i011p04427
Backus, G., & Gilbert, F. (1961). Rotational Splitting of Free Oscillations of Earth. Proceedings of the National Academy of Sciences of the United States of America, 47(3), 362-. https://doi.org/10.1073/pnas.47.3.362
Backus, G. (1960). Linearized Plasma Oscillations in Arbitrary Electron Velocity Distributions. Journal of Mathematical Physics, 1(3), 178–191. https://doi.org/10.1063/1.1703651
Backus, G. (1957). The Axisymmetric Self-Excited Fluid Dynamo. Astrophysical Journal, 125(2), 500–524. https://doi.org/10.1086/146325
Backus, G. E., & Chandrasekhar, S. (1956). On Cowlings Theorem on the Impossibility of Self-Maintained Axisymmetric Homogeneous Dynamos. Proceedings of the National Academy of Sciences of the United States of America, 42(3), 105–109. https://doi.org/10.1073/pnas.42.3.105