. The synoptic view afforded by orbiting earth sensors can be' extremely valuable for resource evaluation, environmental monitoring and development planning. For many regions of the world, however, cloud cover has prevented the acquisition of remotely sensed data during the most environmentally stressed periods of t…
The seismic-reflection method, a powerful geophysical exploration technique that has been in widespread use in the petroleum industry for more than 60 years, has been used increasingly since 1980 in applications shallower than 30 m. The seismic-reflection method measures different parameters than other geophysical methods, and …