1887

Abstract

Geophysical methods provide non-invasive means of probing buried waste disposal sites.<br>Using a small composite waste site in northern Switzerland as an example, we obtain accurate<br>images of the host sedimentary succession and structure from 3-D seismic reflection and ground<br>penetrating radar (GPR) surveys. Lateral boundaries of the disposal site are clearly visible in<br>detailed images of the magnetic gradient field and in various maps constructed from conductivity<br>data. Tomographic inversion techniques applied to seismic refraction data provide information on<br>waste pit thickness variations. While individual geophysical methods are quite powerful for<br>mapping aspects of the shallow subsurface, our study highlights the need to acquire diverse data<br>sets. Only with independent subsurface constraints is it possible to obtain reliable models of the<br>earth so essential for environmental and engineering studies.

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/content/papers/10.3997/2214-4609-pdb.203.1998_046
1998-03-22
2020-04-01
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.203.1998_046
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