Catherine Johnson

Professor/Researcher

Room: Munk Lab 320

Institute of Geophysics and Planetary Physics,
Scripps Institution of Oceanography,
University of California San Diego,
La Jolla, CA 92093-0225, USA.

Telephone: (858) 822-4077

Email: cljohnson@ucsd.edu

Website: http://igpphome.ucsd.edu/~cljohnson/

Research Summary for 2006: Download PDF (224.988KB)

Research Interests:

• Planetary geophysics: thermal and tectonic evolution of the planets
• Geomagnetism and paleomagnetism

Courses Taught:

• ERTH1 (The Planets)
• ERTH130 (Geodynamic/Terrestrial Planets)
• SIO239 (Special Topics in Geophysics)
• SIO249 (Spec Topics in Marine Geology)
• SIO299 (Research)

Recent publications: ^†

• Zuber, M. T., D. E. Smith, J. B. Abshire, R. S. Azfal, O. Aharonson, K. Fishbaugh, P. G. Ford, H. V. Frey, J. B. Garvin, J. W. Head, A. B. Ivanov, C. L. Johnson, D. O. Muhleman, G. A. Neumann, G. H. Pettengill, R. J. Phillips, S. C. Solomon, X. Sun, H. J. Zwally, W. B. Banerdt, T. C. Duxbury, Observations of the North Polar Region of Mars from the Mars Orbiter Laser Altimeter, Science, 282, 2053-2060, 1998.
• Ziegler, L., C. G. Constable & C. L. Johnson, Testing the Robustness and Limitations of 0-1Ma Absolute Paleointensity Data, Physics of the Earth and Planetary Interiors, 170, 34-45, 2008.
• Weber**, R., B.G. Bills, C.L. Johnson, Constraints on deep moonquake focal mechanisms through analyses of tidal stress, submitted to J. Geophys. Res. Planets, Oct. 2008
• Watters, T. & C. L. Johnson, Lunar Tectonism, in press, Cambridge University Press, in press, 2009.
• Uno, H., C. L. Johnson, H. Korth, B. J. Anderson & S. C. Solomon, Mercury’s Internal Magnetic Field: Constraints from Regularized Inversions, submitted to special MESSENGER mission issue of Earth and Planetary Science Letters, August 1, 2008.
• Solomon, S. C, O. Aharonson, J. M. Aurnou, W. B. Banerdt, M. H. Carr, A. J. Dombard, H. V. Frey, M. P. Golombek, S. A. Hauck, J. W. Head, B. Jakosky, C. L. Johnson, P. J. McGovern, G. A. Neumann, R. J. Phillips, D. E. Smith, M. T. Zuber. New Perspectives on Ancient Mars, Science, 307, 1214-1220, 2005.
• Smith, D. E., M. T. Zuber, H, V, Frey, J. B. Garvin, J. W. Head, D. O. Muhleman, G. H. Pettengill, R. J. Phillips, S. C. Solomon, H. J. Zwally, W. B. Banerdt, T. C. Duxbury, M. P. Golombek, F. G. Lemoine, G. A. Neumann, D. D. Rowlands, O. Aharonson, P. G. Ford, A. B. Ivanov, C. L. Johnson, P. J. McGovern, J. B. Abshire, R S. Azfal & X. Sun, Mars Orbiter Laser Experiment, J. Geophys. Res., 106, 23,689 – 23,732, 2001
• Schwehr, K., C. Johnson, D. Kilb, A. Nayak, C. Nishimura. Visualization tools facilitate geological investigations of Mars exploration rover landing sites. IS&T/SPIE Paper Number 5669-15, San Jose, CA., 17-Jan-2005.
• Mohit, S., C. L. Johnson, M. T. Zuber, O. Barnouin-Jha & S. C. Solomon. Visco-elastic Relaxation and the Thickness of Mercury’s Crust, submitted to special MESSENGER mission issue of Earth and Planetary Science Letters, August 1, 2008.
• Lognonne, P. and C. L. Johnson. Planetary Seismology, in Treatise on Geophysics, vol. 10, ch. 4, 2007.
• Lawrence, K. L., L. Tauxe, H. Staudigel, C. G. Constable, A. Koppers, W. McIntosh, and C. L. Johnson Paleomagnetic Field Properties near the Southern Hemisphere Tangent Cylinder, in press, Geochemistry, Geophysics, Geosystems, 2009
• Lawrence, K. L., C. L. Johnson, J. S. Gee, L. Tauxe, Lunar Paleointensity Measurements: Implications for Lunar Magnetic Evolution, in press (available on-line), Physics of the Earth and Planetary Interiors, 168, 71–87, 2008
• Lawrence, K. L., C. G. Constable and C. L. Johnson, The time-averaged field and paleosecular variation at 20° latitude, G-cubed, 7, doi:10.1029/2005GC001181, 2006.
• L. Tauxe, C. G. Constable, C. L. Johnson, W. R. Miller, H. Staudigel. Paleomagnetism of the Southwestern USA Recorded by 0-5 Ma Igneous Rocks, Geochem. Geophys., Geosystems, 4, doi: 10.1029/2002GC000343, 2003.
• Johnson, C. L., S. C. Solomon, J. W. Head, R. J. Phillips, M. T. Zuber & D. E. Smith, Lithospheric Loading by the Northern Polar Cap on Mars, Icarus, 144, 313-328, 2000.
• Johnson, C. L., J. Wijbrans, C. G. Constable, J. Gee, H. Staudigel, L. Tauxe, V. H. Forjaz, & M. Salgueiro, 40Ar/39Ar Dating and Paleomagnetism of Sao Miguel Lavas, Azores, EPSL, 160, 637-649, 1998
• Johnson, C. L., & R. J. Phillips, Evolution of the Tharsis Region of Mars: Insights from Magnetic Field Observations, submitted to Earth and Planet. Sci. Lett., 230, 241-254, 2004
• Johnson, C. L. and P. McFadden, Paleosecular Variation and the Time-Averaged Paleomagnetic Field, in Treatise on Geophysics, vol. 5, ch. 11, 2007.
• Johnson, C. L. and 11 others, Recent Investigations of the 0-5 Ma Geomagnetic Field Recorded by Lava Flows, Geochem. Geophys., Geosystems. doi:10.1029/2007GC001696, 2008
• Johnson, C. L. & M. R. Richards, A Conceptual Model for the Relationship between Coronae and Large-scale Mantle Dynamics on Venus, J. Geophys. Res., 108, doi: 10.1029/2002JE001962, 2003.
• Johnson, C. L. & C. G. Constable, Persistent Anomalous Geomagnetic Fields Beneath the Pacific, Geophys. Res. Lett., 25, 1011-1014, 1998
• Jellinek, M., C. L. Johnson & G. Schubert, Constraints on the elastic thickness and heatflow at Tharsis from topography and magnetic field observations, in press, Journal of Geophysical Research, 113, E09004, doi:10.1029/2007JE003005, 2008
• Dombard, A. J., C. L. Johnson, M. A. Richards & S. C. Solomon, A Magmatic Loading Model for Coronae on Venus, Journal of Geophysical Research Planets, 112, doi:10.1029/2006JE002731
• D. Kilb, C. S. Keen, R. L. Newman, G. M. Kent, D. T.Sandwell, F. L. Vernon, C. L. Johnson, J.A. Orcutt. The Visualization Center at Scripps Institution of Oceanography: Education & Outreach. Seis. Res. Lett., 74, 641-648, 2003.
• Constable, C. G., C. L. Johnson & S. P. Lund, Global Geomagnetic Field Models for 0-3ka: Transient or Permanent Flux Lobes?, Phil. Trans. Royal Soc. London, 358, 991-1008, 2000. Johnson, C. L., The IRIS Education and Outreach Program, GSA Today, April 1999.
• Constable, C. G. & C. L. Johnson. A Paleomagnetic Power Spectrum. Phys. Earth Planet. Int., 2005.
• Constable, C. G. & C. L. Johnson, Anisotropic Paleosecular Variation Models: Implications for Geomagnetic Field Observables, PEPI, 115, 17-34, 1999.
• Bulow, R., C. L. Johnson, B. G. Bills, P. M. Shearer, Temporal and Spatial Properties of Some Deep Moonquake Clusters, Journal of Geophysical Research Planets, 112, E09003, doi:10.1029/2006JE002847 2007.
• Bulow, R., C. L. Johnson, & P. Shearer. New Events Discovered in the Lunar Apollo Seismic Data. J. Geophys. Res. Planets, 110, E10003, doi:10.1029/2005JE002414. 2005.
• Anderson, B., Mario H. Acuña, Haje Korth, Michael E. Purucker, Catherine L. Johnson, James A. Slavin, Sean C. Solomon, & Ralph L. McNutt, Jr. The Magnetic Field of Mercury: New Constraints on Structure from MESSENGER, Science, 321, 82-85, 2008.
• (** R. Weber formerly R. Bulow)