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Bill Hammond

W. C. Hammond and W. Thatcher,
Northwest Basin and Range tectonic deformation observed with the Global Positioning, Journal of Geophysical Research, in press, 2005.
[Printable article (7.7 Mb)]
K. Kreemer, G. Blewitt, W.C. Hammond, H.-P. Plag,
Global Deformation from the Great 2004 Sumatra-Andaman Earthquake Observed by GPS: Implications for Rupture Process and Global Reference Frame, 2005, Earth Planets Space, submitted, 2005.
G. Blewitt, W.C., Hammond, and C. Kreemer,
Relating Geothermal Resources to Great Basin Tectonics using GPS, Transactions Geothermal Resources Council, submitted, 2005.
W. C. Hammond and W. Thatcher,
Contemporary tectonic deformation of the Basin and Range province, western United States: 10 years of observation with the Global Positioning System, Journal of Geophysical Research, 109, B08403, doi:10.1029/2003JB002746, 2004
[Online summary] [Printable article (1.0 Mb)]
W. C. Hammond,
Constraints on Basin and Range lithospheric dynamics from the Global Positioning System, Earthscope Workshop: Great BREAK, Reno, NV, June 2004.
W. C. Hammond,
Recognizing Postseismic relaxation at the Central Nevada Seismic Belt, Basin and Range Seismic Hazard Summit, II, Reno, NV, May 2004.
W. C. Hammond,
Vertical motion of the Basin and Range, western United States from 10 Years of Campaign GPS, Cahiers du Centre Européen de Géodynamique et de Séismologie, Proceedings of the workshop: The state of GPS vertical positioning precision: Seperation of earth processes by space geodesy, ed T. van Dam, v.23, 2004.
[Online abstract]
W. Thatcher and W. C. Hammond
Present-day deformation of the Great Basin and its implications for seismic hazard assessment, Reno Basin and Range Seismic Hazards Summit II, Reno, NV, May 2004.  
W. C. Hammond,
How well can GPS data constrain variations in lithospheric rheology?  A Basin and Range case study, to be presented at the UNAVCO Annual Meeting, Boulder CO, February 26-27, 2004.
W. C. Hammond and W. Thatcher,
Crustal Deformation of the Northern Basin and Range [Northern California, Oregon, Northern Nevada] from Measurement with the Global Positioning System, Eos Trans. AGU, 84, Fall Meet. Suppl., 2003.
M. Poland, D. Dzurisin, W. C. Hammond, E. Endo, E. Iwatsubo, M. Lisowski,
New results from a proposed PBO Cascade volcano cluster I: Deformation in the Medicine Lake region of northeast California from leveling, GPS, and INSAR, Geol. Soc. Am. Abstr. with Progr., vol 35, 2003.
W. C. Hammond and W. Thatcher,
Crustal deformation across the Basin and Range province [Nevada and Utah], western United States, measured with the Global Positionsing System, 1992-2002, EGS-AGU-EUG Joint Assembly, Nice, France. Geophys. Res. Abs., vol. 5, 2003.
W. C. Hammond and W. Thatcher,
Contemporary tectonic deformation of the Basin and Range province, western United States: 10 years of observation with the Global Positioning System, J. Geophys. Res. in review, 2003.
W. C. Hammond,
Vertical motion of the Basin and Range, western United States from 10 Years of Campaign GPS, in The State of GPS Vertical Positioning Precision: Separation of Earth Processes by Space Geodesy: Proceedings of the International Association of Geodesy, European Center for Geodynamics and Seismology, Luxembourg, in review, 2003.
W. C. Hammond and D. R. Toomey,
Seismic velocity anisotropy and heterogeneity beneath the Mantle Electromagnetic and Tomography Experiment (MELT) region of the East Pacific Rise from analysis of P and S body waves, J. Geophys Res., VOL. 108, NO. B4, 2176, doi:10.1029/2002JB001789, 2003.
[Printable article (1.6 Mb)]
W. C. Hammond, W. Thatcher,
GPS Measurement of deformation of the Basin and Range province, western United States, to be submitted to Eos Trans. AGU, 83, Fall Meet Suppl., 2002.
[Online abstract]
M. Nyst, W. C. Hammond,
Present-Day kinematics of the Walker Lane, Nevada, derived GPS data, to be submitted to Eos Trans. AGU, 83, Fall Meet Suppl., 2002.
[Online abstract]
W. C. Hammond, W. Thatcher,
Integrated kinematic analysis of GPS and fault slip data in the Eastern California Shear Zone, Walker Lane and Sierra Nevada., Eos Trans. AGU, 82, Fall Meet Suppl., 2001.
[Online abstract]
W. C. Hammond, W. Thatcher,
The dynamics of western United States tectonism, Earthscope Workshop, Making and Breaking a Continent, Snowbird, UT, October, 2001.
A. H. Barclay, D. R. Toomey, W. S. D. Wilcock, W. C. Hammond,
Barclay, A.H., D.R. Toomey, W.S.D. Wilcock, W.C. Hammond, Geodynamic and seismic modeling of the MELT region of the East Pacific Rise: An example of plate scale hotspot-ridge interaction, Eos Trans. AGU, 82, Fall Meet Suppl., 2001.
W. C. Hammond and E. D. Humphreys,
Upper mantle seismic wave attenuation: the effect of realistic partial melt distribution, J. Geophys. Res., 105, pp. 10,987-10,999, 2000.
[Printable article (360 kb)]
W. C. Hammond and E. D. Humphreys,
Upper mantle seismic wave attenuation: the effect of realistic partial melt geometries, J. Geophys. Res., 105, pp. 10,975-10,986, 2000.
[Printable article (688 kb)]
D. R. Toomey, S. C. Solomon, W. S. D. Wilcock, D. K. Blackman, J. A. Orcutt and W. C. Hammond,
Asymmetric Mantle Dynamics in the MELT Region of the East Pacific Rise: A Result of Hot, Asthenospheric Return Flow, EOS, Transactions AGU, 80, pp., 1999.
W. C. Hammond and D. R. Toomey,
Seismic Anisotropy Beneath the MELT Region of the East Pacific Rise From Tomography and Shear Wave Splitting, EOS, Transactions AGU, 80, pp., 1999.
D. R. Toomey, W. S. D. Wilcock, S. C. Solomon, W. C. Hammond and J. A. Orcutt,
Mantle Seismic Structure Beneath the MELT Region of the East Pacific Rise from P and S Wave Tomography, Science, 280, pp. 1,224-1,227, 1998.
D. R. Toomey, A. H. Barclay, R. A. Dunn and W. C. Hammond,
Tomographic Imaging in Anisotropic Media: Results From Studies of Mid-ocean Ridges, Annales Geophysicae,, pp., 1997.
W. C. Hammond and E. D. Humphreys,
Gravity and Bathymetry of the Hawaiian Hotspot Predicted from 3D Finite Element Modeling with Surface and Sub-surface Loading, EOS, Transactions AGU, 77, pp. 701, 1996.
W. C. Hammond and E. D. Humphreys,
Finite Element Modeling of the Effect of Partial Melt on the Velocity and Attenuation of Seismic Waves, EOS, Transactions AGU, 76, pp. 384, 1995.