1. 1 Underwater surveys with mobile arrays

2. 2 Imaging with electrostatic arrays

3. 3 2D 3D 2D and 3D models

4. 4 3D resistivity imaging

5. 5 3D electrode configurations

6. 6 3D survey strategies

7. 7 3D survey of a Roman villa, Orbe-Boscéaz (Switzerland)

8. 8

9. 9 Photos: P. Martínez Pagán, Universidad Politécnica de Cartagena Organic pollutants

10. 10 Organic pollutants Source: Martinez Pagan, 2006, PhD thesis

11. 11 3D imaging of a waste site

12. 12 3. Survey strategies and interpretation Borehole and cross-hole surveys

13. 13 Measurements in boreholes

14. 14 Electrical well-logging Source: www-ig.unil.ch/cours

15. 15 Source: Leroux, Palma Lopes, LCPC Electrostatic measurements in a single borehole

16. 16 Source: Leroux, Palma Lopes, LCPC Electrostatic measurements in a single borehole (pseudosection)

17. 17 2D cross-hole electrical tomography

18. 18 Cross-hole configurations Source: Bing and Greenhalgh, 2000, Geophysical Prospecting 48 One remote current electrodeOne remote potential electrode Four- electrode systems

19. 19 Anomaly effect Source: Marescot, 2002, EEGS meeting, Aveiro, Portugal Pole-pole pseudosection

20. 20 2D cross-hole inversion