Richard S. Keiffer

A model for variations in the range and depth dependence of the sound speed and attenuation induced by bubble clouds under wind-driven sea surfaces

Jorge C. Novarini, Richard S. Keiffer, Guy V. Norton · IEEE Journal of Oceanic Engineering · 1998 · 42 citations

Natural Sciences, Marine Sciences, Oceanography +15

The impact of the background bubble layer on reverberation-derived scattering strengths in the low to moderate frequency range

Richard S. Keiffer, Jorge C. Novarini, Guy V. Norton · The Journal of the Acoustical Society of America · 1995 · 39 citations

Natural Sciences, Meteorology, Oceanography +16

Intense source of spin-polarized electrons using laser-induced optical pumping

L. G. Gray, Karl Giberson, Chu Cheng et al. · Review of Scientific Instruments · 1983 · 32 citations

Natural Sciences, Chemistry, Physics +15

A time domain rough surface scattering model based on wedge diffraction: Application to low-frequency backscattering from two-dimensional sea surfaces

Richard S. Keiffer, Jorge C. Novarini · The Journal of the Acoustical Society of America · 2000 · 19 citations

Engineering, Ocean Engineering, Computational Acoustics +11

Modeling the propagation from a horizontally directed high-frequency source in shallow water in the presence of bubble clouds and sea surface roughness

Guy V. Norton, Jorge C. Novarini, Richard S. Keiffer · The Journal of the Acoustical Society of America · 1998 · 18 citations

Natural Sciences, Oceanography, Acoustics +15