5 Contents Foreword 9 J.-L. Mari, M. Mendes Introduction 13 J.-L. Mari, M. Mendes Chapter 1 • Wave propagation 17 J.-L. Mari 1.1 Seismic wave equation 19 1.2 Seismic methods 23 1.3 Example of field records 26 1.4 Wave separation 30 1.5 Conclusion 34 References 34 Chapter 2 • Refraction surveying 35 J.-L. Mari 2.1 Refraction surveying: Plus-Minus and GRM methods 36 2.2 Amplitudes of refracted waves 42 2.3 Recommendations for refraction surveying 44 2.4 First example of a seismic refraction application: static corrections 46
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