Physics – Geophysics
Scientific paper
Jan 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28...45b&link_type=abstract
Geophysical Research Letters, Volume 28, Issue 1, p. 45-48
Physics
Geophysics
6
Exploration Geophysics: Seismic Methods, Exploration Geophysics: Instruments And Techniques, Hydrology: Instruments And Techniques, Seismology: Instruments And Techniques
Scientific paper
We present the results of three different seismic experiments designed to develop and evaluate the use of 3D Ultra Shallow Seismic Reflection for high-resolution near-surface imaging. A feasibility study and the first implementation of a 2D portable geophone mount for fast and cost-effective ultra-shallow 3D seismic data acquisition are discussed. The portable geophone mount is made out of an anelastic base with a frame and an array of 72 geophones spaced with an interval of 0.25 m both in the inline and crossline direction. The array enables acquisition of very high-resolution 3D data cubes with bin size of 12.5×12.5cm and wavelets of 350Hz. The time for re-planting the 72-channels portable geophone mount is about 5min in the field. Thus, we show that high-resolution near-surface 3D images can be obtained fast and in a cost-effective manner. This has the potential of providing effective solutions for many geotechnical and geoenvironmental applications.
Bachrach Ran
Mukerji Tapan
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