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CONSTABLE, STEVEN

Professor in Residence

Degrees:

• B.S., University of Western Australia
• Ph.D., Australia National University

Research Interests:

• Electrical conductivity of crust and mantle
• Seafloor instrumentation
• Geophysical data analysis and inversion

Courses Recently Taught:

• SIO 103: Introduction to Geophysics
• SIO 182: Envr & Exploration Geophysics
• SIO 232: Ethical & Professional Science
• SIO182A: Envr & Exploration Geophys A
• SIO182B: Envr & Exploration Geophys B
• SIO232: Ethical & Professional Science
• SIO239: Special Topics in Geophysics

Honors and Awards:

• R&D 100 Award, 2010
• Honorable Mention, Best Paper, The Leading Edge, 2007
• SEG Distinguished Achievement Award (for Scripps), 2007
• G.W. Hohmann Award, 2003
• Rex T. Prider Medal, 1979

Mentoring:

• Kannberg, Peter (Graduate; 2011-)
• Ray, Anand (Graduate; 2010-)
• Naif, Samer (Graduate; 2009-)
• Weitemeyer, Karen (Post Doc; 2009-)
• Wheelock, Brent (Graduate; 2006-)
• Li, Yuguo (Post Doc; 2005-2007)
• Myer, David (Graduate; 2005-)
• Behrens, Jim (Post Doc; 2004-2006)
• Key, Kerry (Post Doc; 2003-2008)
• Weitemeyer, Karen (Graduate; 2003-2008)
• Behrens, Jim (Graduate; 1999-2004)
• Key, Kerry (Graduate; 1999-2003)
• deGroot-Hedlin, Catherine (Graduate; 1987-1991)

Constable, S., 2011. EM instrumentation. In “Encyclopedia of Solid Earth Geophysics”, ed. H.K. Gupta, Springer, pp. 604–608.

Weitemeyer, K.A., S. Constable, and A. Trehu, 2011. A marine electromagnetic survey to detect gas hydrate at Hydrate Ridge, Oregon. Geophysical Journal International, in press.

Du Frane, W.L., L.A. Stern, K.A. Weitemeyer, S. Constable, J.C. Pinkston, and J.J. Roberts, 2011. Electrical properties of polycrystalline methane hydrate. Geophysical Research Letters, 38, doi:10.1029/2011GL047243.

Van Beusekop, A.E., R.L. Parker, R.E. Bank, P.E. Gill, and S. Constable, 2011. The 2D magnetotelluric inverse problem solved with optimization. Geophysical Journal International, 184, pp. 639–650.

Key, K., and S. Constable, 2011. Coast effect distortion of marine magnetotelluric data: Insights from a pilot study offshore northeastern Japan. Physics of the Earth and Planetary Interiors, 184, pp. 194–207.

Myer, D., S. Constable, and K. Key, 2011. Broadband waveforms and robust processing for marine CSEM surveys. Geophysical Journal International, 184, pp. 689–698.

Zhdanov, M.S., L. Wan, A. Gribenko., M. Cuma, K. Key, and S. Constable, 2011. Large scale 3D inversion of marine magnetotelluric data: Case study from the Gemini prospect, Gulf of Mexico. Geophysics, 76, pp. F77-F87.

Weitemeyer, K., G. Gao, S. Constable, and D. Alumbaugh, 2010. The practical application of 2D inversion to marine controlled source electromagnetic sounding. Geophysics, 75, pp. F199–F211.

Constable, S., 2010. Ten years of marine CSEM for hydrocarbon exploration. Geophysics, 75, pp. 75A67–75A81.

Weitemeyer, K., and S. Constable, 2010. Mapping shallow geology and gas hydrate with marine CSEM surveys. First Break, 28, pp. 97–102.

Myer, D., S. Constable, and K. Key, 2010. A marine EM survey of the Scarborough gas field, Northwest Shelf of Australia. First Break, 28, pp. 77–82.

Li, Y.G., and S. Constable, 2010. Transient electromagnetic in shallow water: insights from 1D modeling. Chinese Journal of Geophysics, 53, pp. 737–743.

Orange, A., K. Key, and S. Constable, 2009. The feasibility of reservoir monitoring using time-lapse marine CSEM. Geophysics, 74, pp. F21-F29.

Constable, S., K. Key, and Lewis, L., 2009. Mapping offshore sedimentary structure using electromagnetic methods and terrain effects in marine magnetotelluric data. Geophysical Journal International, 176, pp. 431-442.

Constable, S., 2007. Geomagnetism. In “Treatise on Geophysics, Volume 5”, ed. G. Schubert and M. Kono, Elsevier, doi:10.1016/B978-044452748-6.00092-4 , pp. 237–276.

Constable, S., 2007. Conductivity, ocean floor measurements. In “Encyclopedia of Geomagnetism and Paleomagnetism”, ed. D. Gubbins and E. Herrero-Bervera, Springer, pp. 71–73.

Constable, S., 2007. Induction from satellite data. In “Encyclopedia of Geomagnetism and Paleomagnetism”, ed. D. Gubbins and E. Herrero-Bervera, Springer, pp. 413–416.

Medin, A.E., R.L. Parker, and S. Constable, 2007. Making sound inferences from geomagnetic sounding. Phys. Earth Planet. Int., 160, 51–59.

Li, Y., and S. Constable, 2007. 2D marine controlled-source electromagnetic modeling: Part 2 – The effect of bathymetry. Geophysics, 72, WA63–WA71.

Constable, S., and L.J. Srnka, 2007. An introduction to marine controlled source electromagnetic methods for hydrocarbon exploration. Geophysics, 72, WA3–WA12.

Constable, S., 2006. Method and system for seafloor geological survey using vertical electric field measurement. US Patent no. 7,116,108.

Constable, S., 2006. System and method for hydrocarbon reservoir monitoring using controlled-source electromagnetic fields. US Patent no. 7,109,717.

Constable, S., 2006. SEO3: A new model of olivine electrical conductivity. Geophys. J. Int., 166, 435–437.

Weitemeyer, K.A., S.C. Constable, K.W. Key, and J.P. Behrens, 2006. First results from a marine controlled-source electromagnetic survey to detect gas hydrates offshore Oregon. Geophys. Res. Lett., 33, L03304, doi:10.1029/2005GL024896.

Key, K.W., S.C. Constable, and C.J. Weiss, 2006. Mapping 3D salt using 2D marine MT: Case study from Gemini Prospect, Gulf of Mexico. Geophysics, 71, B17–B27.

Constable, S., 2006. Marine electromagnetic method – A new tool for offshore exploration. The Leading Edge, 25, 438–444.

Weitemeyer, K., S. Constable, and K. Key, 2006. Marine EM techniques for gas-hydrate and hazard mitigation. The Leading Edge, 25, 629–632.

Weiss, C.J., and S. Constable, 2006. Mapping thin resistors in the marine environment, Part II: Modeling and analysis in 3D. Geophysics, 71, G321–G332.

Constable, S., and C.J. Weiss, 2006. Mapping thin resistors (and hydrocarbons) with marine EM methods: Insights from 1D modeling. Geophysics, 71, G43–G51.

Constable, S., and C. Constable, 2004. Observing geomagnetic induction in magnetic satellite measurements and associated implications for mantle conductivity. Geochem. Geophys. Geosys., 5, Q01006, doi:10.1029/2003GC000634.

deGroot-Hedlin, C. and S. Constable, 2004. Inversion of magnetotelluric data for 2D structure with sharp resistivity contrasts. Geophysics, 69, 78–86.

Constable, S. and G. Heinson, 2004. Hawaiian hot-spot swell structure from seafloor MT sounding. Tectonophysics, 389, 111-124.

Constable, C.G. and S.C. Constable, 2004. Satellite magnetic field measurements: Applications in studying the deep Earth. In “The State of the Planet: Frontiers and Challenges in Geophysics, Geophys. Mono. 150”, ed. R.S.J. Sparks and C.T. Hawkesworth, Am. Geophys. Un., pp. 147–159.

Everett, M.E., S. Constable, and C.G. Constable, 2003. Effects of near-surface conductance on global satellite induction responses. Geophys. J. Int., 153, 277-286.

Korte, M., S.C. Constable, and C.G. Constable, 2003. Separation of external magnetic signal for induction studies. In “First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies”, ed. C. Reigber, H. Lhr, and P. Schwintzer, Springer-Verlag, Berlin, pp. 315-320.

Eidesmo, T., S. Ellingsrud, L.M. MacGregor, S. Constable, M.C. Sinha, S. Johanson, F.N. Kong, and H. Westerdahl, 2002. Sea Bed Logging (SBL), a new method for remote and direct identification of hydrocarbon filled layers in deepwater areas. First Break, 20, 144–152.

Constable, S., and A. Duba, 2002. Diffusion and mobility of electrically conducting defects in olivine. Phys. Chem. Min., 29, 446-454.

Ellingsrud, S., T. Eidesmo, S. Johansen, M.C. Sinha, L.M. MacGregor, and S. Constable, 2002. Remote sensing of hydrocarbon layers by seabed logging (SBL): Results from a cruise offshore Angola. The Leading Edge, 21, 972-982.

Key, K., and S. Constable, 2002. Broadband marine MT exploration of the East Pacific Rise at 950’N. Geophys. Res. Lett., 29, 10.1029/2002GL016035.

MacGregor, L., M. Sinha, and S. Constable, 2001. Electrical resistivity structure of the Valu Fa Ridge, Lau Basin, from marine controlled-source electromagnetic sounding. Geophys. J. Int., 146, 217–236.

Hoversten, G.H., S. Constable, and H.F. Morrison, 2000. Marine magnetotellurics for base salt mapping: Gulf of Mexico field-test at the Gemini structure. Geophysics, 65, 1476–1488.

Heinson, G., S. Constable, and A. White, 2000. Episodic melt transport at a mid-ocean ridge inferred from magnetotelluric sounding. Geophys. Res. Lett., 27, 2317–2320.

Fullekrug, M. and S. Constable, 2000. Global triangulation of intense lightning discharges. Geophys. Res. Lett., 27, 333–336.

Popkov, I.,A. White, G. Heinson, S. Constable, P. Milligan, and F.E.M. Lilley, 2000. Electromagnetic investigation of the Eyre Peninsula conductivity anomaly. Exploration Geophysics, 31, 187–191.

Heinson, G., A. White, S. Constable, and K. Key, 1999. Marine self potential exploration. Bull. Aust. Soc. Explor. Geophys., 30, 1–4.

Everett, M.E., and S. Constable, 1999. Electric dipole fields over an anisotropic seafloor: theory and application to the structure of 40 Ma Pacific Ocean lithosphere. Geophys. J. Int., 136, 41–56.

MacGregor, L.M., S. Constable, and M.C. Sinha, 1998. The RAMESSES Experiment III: Controlled source electromagnetic sounding of the Reykjanes Ridge at 57o 45’ N. Geophys. J. Int., 135, 773–789.

Sinha, M.C., S. Constable, C. Peirce, A. White, G. Heinson, L.M. MacGregor, and D.A. Navin, 1998. Magmatic processes at slow spreading ridges: Implications of the RAMESSES Experiment at 57o 45’ North on the Mid-Atlantic Ridge. Geophys. J. Int., 135, 731–745.

Constable, S., 1998. Seafloor Magnetotelluric System and Method for Oil Exploration. US Patent no. 5,770,945.

Hoversten, G.M., H.F. Morrison and S. Constable, 1998. Marine magnetotellurics for petroleum exploration Part 2. Numerical analysis of subsalt resolution. Geophysics, 63, 826–840.

Constable, S., A. Orange, G.M. Hoversten, and H.F. Morrison, 1998. Marine magnetotellurics for petroleum exploration Part 1. A seafloor instrument system. Geophysics, 63, 816–825.

Constable, S., G. Heinson, G. Anderson, and A. White, 1997. Seafloor electromagnetic measurements above Axial Seamount, Juan de Fuca Ridge. J. Geomag. Geolect., 49, 1327–1342.

Anderson, G., S. Constable, H. Staudigel, and F.K. Wyatt, 1997. A seafloor long baseline tiltmeter. J. Geophys. Res., 102, 20,269–20,285.

Tolstoy, M., S. Constable, J. Orcutt, H. Staudigel, F.K. Wyatt, and G. Anderson, 1997. Short and long baseline tiltmeter measurements on Axial Seamount, Juan de Fuca Ridge. Phys. Earth Planet. Inter., 108, 129–141.

Sinha, M.C., D.A. Navin, L.M. MacGregor, S. Constable, C. Peirce, A. White, G. Heinson, and M.A. Inglis, 1996. Evidence for accumulated melt beneath the slow-spreading mid-Atlantic ridge. Phil. Trans. A Roy. Soc., 355, 233–253.

Constable, S., and J.J. Roberts, 1997. Simultaneous Modeling of Thermopower and Electrical Conduction in Olivine. Phys. Chem. Min., 24, 319–325.

Heinson, G., S. Constable and A. White, 1996. Seafloor Magnetotelluric Sounding Above Axial Seamount. Geophys. Res. Lett., 23, 2275-2278.

Petersons, H.F., and S. Constable, 1996. Global mapping of the electrically conductive lower mantle. Geophys. Res. Lett., 23, 1461–1464.

Constable, S., and C.S. Cox, 1996. Marine controlled source electromagnetic sounding 2. The PEGASUS experiment. J. Geophys. Res., 101, 5519–5530.

Flosadottir, A.H. and S. Constable, 1996. Marine controlled source electromagnetic sounding 1. Modeling and experimental design. J. Geophys. Res., 101, 5507–5517.

Evans, R.L., M.C. Sinha, S.C. Constable, and M.J. Unsworth, 1994. On the electrical nature of the axial melt zone at 13o N on the east Pacific rise. J. Geophys. Res., 99, 577–587.

Heinson, G., S. Constable and A. White, 1993. The Electrical Conductivity of the Lithosphere and Asthenosphere beneath the Coastline of Southern California. Bull. Aust. Soc. Explor. Geophys., 24, 195–200.

deGroot-Hedlin, C. and S. Constable, 1993. Occam’s inversion and the North American Central Plains electrical anomaly. J. Geomag. Geoelect., 45, 985–1000.

Constable, S.C., 1993. Conduction by mantle hydrogen. Nature, 362, 704.

Constable, S.C., and G. Heinson, 1993. In defense of a resistive oceanic upper mantle: reply to a comment by Tarits, Chave and Schultz. Geophys. J. Int., 114, 717–723.

Constable, S.C., 1993. Constraints on mantle electrical conductivity from field and laboratory measurements. J. Geomag. Geoelect., 45, 707–728.

Duba, A, and S.C.Constable, 1993. The electrical conductivity of a lherzolite. J. Geophys. Res., 98, 11885–11899. Constable, S.C., Shankland, T.J. and Duba, A., 1992. The electrical conductivity of an isotropic olivine mantle. J. Geophys. Res., 97, 3397–3404.

Heinson, G. and Constable, S.C. , 1992. The electrical conductivity of the oceanic upper mantle. Geophys. J. Int., 110, 159–179.

Constable, S.C., 1992. Electrical studies of the Australian lithosphere. Geol. Soc. Aust. Sspec. Publ., 17, 121–140. Evans, R.L., S.C. Constable, M.C. Sinha, and C.S. Cox, 1991. Upper crustal resistivity structure of the East Pacific Rise near 13o N. Geophys. Res. Lett., 18, 1917–1920.

Constable, S.C., 1991. Comment on ‘Magnetotelluric appraisal using simulated annealing’ by Dosso and Oldenburg. Geophys. J. Int., 106, 387–388.

Chave, A.D., Constable, S.C., and Edwards, R.N., 1991. Electrical exploration methods for the seafloor. In “Electromagnetic Methods in Applied Geophysics, Volume 2”, ed. M. Nabighian, Soc. Explor. Geophys., Tulsa., pp. 931–966.

deGroot-Hedlin, C. and Constable, S.C., 1990. Occam’s inversion to generate smooth, two-dimensional models from magnetotelluric data. Geophysics, 55, 1613–1624.

Constable, S.C., 1990. Marine electromagnetic induction studies. Surv. Geophys., 11, 303–327.

Constable, S.C. and Duba, A., 1990. The electrical conductivity of olivine, a dunite, and the mantle. J. Geophys. Res., 95, 6967–6978.

Constable, S.C., Parker, R.L., and Constable, C.G., 1987. Occam’s Inversion: a practical algorithm for generating smooth models from EM sounding data. Geophysics, 52, 289–300.

Webb, S.C. and Constable, S.C., 1986. Microseism propagation between two sites on the deep sea floor. Bull. Seis. Soc. Am., 76, 1433-1445.

Cox, C.S., Constable, S.C., Chave, A.D., and Webb, S.C., 1986. Controlled source electromagnetic sounding of the oceanic lithosphere. Nature, 320, 52-54.

Webb, S.C., Constable, S.C., Cox, C.S., and Deaton, T.K., 1985. A seafloor electric field instrument. Geomag. Geoelectr., 37, 1115-1129.

Constable, S.C., 1985. Resistivity studies over the Flinders conductivity anomaly, South Australia. Geophys. J. Roy. astr. Soc., 83, 775-786.

Constable, S.C., McElhinny, M.W., and McFadden, P.L., 1984. Deep Schlumberger sounding and the crustal resistivity structure of central Australia. Geophys. J. Roy. astr. Soc., 79, 893-910.

McFadden, P.C. and Constable, S.C., 1983. The estimation and removal of a linear drift from stacked data. J. Geophys., 53, 52-58.