Resistivity imaging in steep and weathered terrains

References

1. ApparaoA. and RoyA.1973. Field results for direct current resistivity profiling with two‐electrode array. Geoexploration11, 21–44.
   [Google Scholar]
2. BarongoJ.O. and PalackyG.J.1991. Investigations of electrical properties of weathered layers in the Yala Area, Western Kenya, using resistivity soundings. Geophysics56, 133–138.
   [Google Scholar]
3. BataynehA.T.2001. Resistivity imaging for near‐surface resistive dyke using two‐dimensional DC resistivity techniques. Journal of Applied Geophysics48, 25–32.
   [Google Scholar]
4. DahlinT.1996. 2D resistivity surveying for environmental and engineering applications. First Break14, 275–283.
   [Google Scholar]
5. DahlinT.2001. The development of electrical imaging techniques. Computers and Geosciences27, 1019–1029.
   [Google Scholar]
6. DahlinT. and ZhouB.2004. A numerical comparison of 2D resistivity imaging with 10 electrode arrays. Geophysical Prospecting52, 379–398.
   [Google Scholar]
7. DahlinT. and ZhouB.2006. Multiple gradient array measurements for multi‐channel 2D resistivity imaging. Near Surface Geophysics4, 113–123.
   [Google Scholar]
8. DarceM.1990. Mineralogic alteration patterns in volcanic rocks of the La Libertad gold mining district and its surroundings, Nicaragua. Economic Geology85, 1059–1071.
   [Google Scholar]
9. DoyleH.A. and LindemanF.W.1985. The effect of deep weathering on geophysical exploration in Australia – a review. Australian Journal of Earth Sciences32, 125–135.
   [Google Scholar]
10. EhrenborgJ.1996. A new stratigraphy for the Tertiary volcanic rocks of Nicaraguan Highlands. Geological Society of America Bulletin108, 830–842.
    [Google Scholar]
11. FurnessP.1993. Gradient array profiles over thin resistive veins. Geophysical Prospecting41, 113–130.
    [Google Scholar]
12. HodgsonG.1972. Geological map of La Libertad. Catastro e Inventario de Recursos Naturales, Managua, Nicaragua (in Spanish).
    [Google Scholar]
13. KellettR. and BaumanP.2004. Mapping groundwater in regolith and fractured bedrock using ground geophysics: A case study from Malawi, SE Africa. Recorder29, 24–32
    [Google Scholar]
14. KemnaA., BinleyA., RamirezA. and DailyW.2000. Complex resistivity tomography for environmental applications. Chemical Engineering Journal77, 11–18.
    [Google Scholar]
15. LechlerP.J., MillerJ.R., LacerdaL.D., VinsonD., BonzongoJ.C., LyonsW.B.et al. 2000. Elevated mercury concentrations in soils, sediments, water and fish of the Madeira River basin, Brazilian Amazon: A function of natural enrichments?The Science of the Total Environment260, 87–96.
    [Google Scholar]
16. LokeM.H.1997. Rapid 2D resistivity inversion using the least‐squares method, Manual for RES2DINV. Geolectrical Imaging 2D and 3D.
    [Google Scholar]
17. LokeM.H., AcworthI. and DahlinT.2003. A comparison of smooth and blocky inversion methods in 2D electrical imaging surveys. Exploration Geophysics34, 182–187.
    [Google Scholar]
18. LokeM.H. and BarkerR.D.1996. Rapid least‐squares inversion of apparent resistivity pseudosections by a quasi‐Newton method. Geophysical Prospecting44, 131–152.
    [Google Scholar]
19. MendozaJ.A.2002. Geophysical and Hydrogeological Investigations in the Rio Sucio Watershed, Nicaragua. Lund University. ISBN 919724060X
    [Google Scholar]
20. MendozaJ.A., DahlinT. and BarmenG.2005. Hydrogeological and hydrochemical features of an area polluted by heavy metals in central Nicaragua. Hydrogeology Journal14, 1052–1059.
    [Google Scholar]
21. PalackyG.J. and KadekaruK.1979. Effect of tropical weathering on electrical and electromagnetic measurements. Geophysics44, 69–88.
    [Google Scholar]
22. PellerinL.2002. Applications of electrical and electromagnetic methods for environmental and geotechnical investigations. Surveys in Geophysics23, 101–132.
    [Google Scholar]
23. PousJ., QueraltP. and ChavezR.1996. Lateral and topographical effects in geoelectric soundings. Journal of Applied Geophysics35, 237–248.
    [Google Scholar]
24. RitzM., ParisotJ.C., DioufS., BeauvaisA., DioneF. and NiangM.1999. Electrical imaging of lateritic weathering mantles over granitic and metamorphic basement of eastern Senegal, West Africa. Journal of Applied Geophysics41, 335–344.
    [Google Scholar]
25. SandbergS.K., SlaterL.D. and VersteegR.2002. An integrated geophysical investigation of the hydrogeology of an anisotropic unconfined aquifer. Journal of Hydrology267, 227–243.
    [Google Scholar]
26. SchulzR.1985. Interpretation and depth of investigation of gradient measurements in direct current geoelectrics. Geophysical Prospecting33, 1240–1253.
    [Google Scholar]
27. SeatonW.J. and BurbeyT.J.2002. Evaluation of two‐dimensional resistivity methods in a fractured crystalline‐rock terrain. Journal of Applied Geophysics51, 21–41.
    [Google Scholar]
28. ShettigaraV.K. and AdamsW.M.1989. Detection of lateral variations in geological structures using electrical‐resistivity gradient profiling. Geophysical Prospecting37, 293–310.
    [Google Scholar]
29. TimmsW. and AcworthI.2002. Origin, lithology and weathering characteristics of Upper Tertiary – Quaternary clay aquitard units on the Lower Murrumbidgee alluvial fan. Australian Journal of Earth Sciences49, 525–537.
    [Google Scholar]
30. TsourlosP., SzymanskyJ. and TsokasG.1999. The effect of terrain topography on commonly used resistivity arrays. Geophysics64, 1357–1363.
    [Google Scholar]
31. VermaR. and BandyopadhyayT.1983. Use of the resistivity methods in geological mapping‐case histories from Raniganj Coalfield, India. Geophysical Prospecting31, 490–507.
    [Google Scholar]