Articles

Link

Laser Excitation of a Fracture Source for Elastic Waves (with Thomas E. Blum, Roel Snieder, and Mark E. Willis), Physical Review Letters (2011)

We show that elastic waves can be excited at a fracture inside a transparent sample...

 

Link

Seismic Refraction Interferometry with a Semblance Analysis on the Crosscorrelation Gather (with Dylan Mikesell), Geophysics (2011)

Crosscorrelating wavefields recorded at two receivers to produce data as if one receiver was a...

 

PDF

Theory and Laboratory Experiments of Elastic Wave Scattering by Dry Planar Fractures (with Thomas E. Blum, Roel Snieder, and Mark E. Willis), Journal of Geophysical Research B: Solid Earth (2011)

Remote sensing of fractures with elastic waves is important in fields ranging from seismology to...

 

PDF

Estimating the Rayleigh-Wave Impulse Response Between Seismic Stations with the Cross Terms of the Green Tensor (with Dylan Mikesell, Vera Schulte-Pelkum, and Josh Stachnik), Geophysical Research Letters (2011)

The development of ambient noise tomography has provided a powerful tool to investigate the Earth's...

 

Link

The Establishment of a Geophysics Field Camp in Northern Thailand (with Lee Liberty, Spencer H. Wood, Emily A. Hinz, Dylan Mikesell, Fongsaward Singharajwarapan, and Jeffrey Shragge), The Leading Edge (2011)

As a participant in SEG's Geoscientists Without Borders program, we have developed a geophysics field...

 

Geophysical Assessment of the Mount Princeton Geothermal Area, Colorado (with M. Batzle, André Revil, Lee Liberty, R. Raynolds, Thomas E. Blum, A. Lamb, K. Richards, A. Hass, A. Jardani, and F. Henderson), SME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference (2011)

The upper Arkansas basin has some of the greatest potential for geothermal development in Colorado....

 

Link

Application of the Virtual Refraction to Near-Surface Characterization at the Boise Hydrogeophysical Research Site (with Josh Nichols and Dylan Mikesell), Geophysical Prospecting (2010)

Seismic interferometry is a relatively new technique to estimate the Green's function between receivers. Spurious...

 

Link

Multicomponent Wavefield Characterization with a Novel Scanning Laser Interferometer (with Thomas E. Blum, Bruno Pouet, and Alexis Wartelle), Review of Scientific Instruments (2010)

The in-plane component of the wavefield provides valuable information about media properties from seismology to...

 

PDF

Seismic Wave Attenuation in Carbonates (with L. Adam, M. Batzle, and K. T. Lewallen), Journal of Geophysical Research (2009)

The effect of pore fluids on seismic wave attenuation in carbonate rocks is important for...

 

PDF

Observation and Modeling of Source Effects in Coda Wave Interferometry at Pavlof Volcano (with Matthew M. Haney, Leiph A. Preston, and David F. Aldridge), The Leading Edge (2009)

We examine seismic records of repeating explosions from Pavlof volcano, Alaska, during its 2007 eruption....

 

PDF

The Virtual Refraction: Useful Spurious Energy in Seismic Interferometry (with Dylan Mikesell, Alexander Calvert, and Matt Haney), Geophysics (2009)

Seismic interferometry is rapidly becoming an established technique to recover the Green’s function between receivers,...

 

PDF

Cancellation of Spurious Arrivals in Green’s Function Extraction (with Roel Snieder, Matt Haney, and Rodney Calvert), Physical Review E (2008)

The extraction of the Green's function by cross correlation of waves recorded at two receivers...

 

PDF

Modified Kubelka-Munk Equations for Localized Waves Inside a Layered Medium (with Matthew M. Haney), Physical Review E (2007)

We present a pair of coupled partial differential equations to describe the evolution of the...

 

PDF

Physical Modeling and Analysis of P-Wave Attenuation Anisotropy (with Yaping Zhu, Ilya Tsvankin, and Pawan Dewangan), Geophysics (2007)

Anisotropic attenuation can provide sensitive attributes for fracture detection and lithology discrimination. This paper analyzes...

 

PDF

1D Energy Transport in a Strongly Scattering Laboratory Model (with Matt M. Haney and John A. Scales), Physical Review E (2004)

Radiative transfer (RT) theory is often invoked to describe energy propagation in strongly scattering media....

 

Presentations

Departmental Colloquium, Invited Presentation, Stanford University (2011)
 

Link

Earthquakes, Idaho Public Television - D4K - Dialogue for Kids (2011)

Every 30 seconds, somewhere in the world the ground shakes. Most earthquakes are too tiny...

 

The Virtual Refraction for Noisy Data and Elastic Media (with Dylan Mikesell and Alexander Calvert), 71st European Association of Geoscientists and Engineers Conference and Exhibition (2009)

In this work we explain the origin of spurious energy related to refracted waves, but...