02480oam 2200553 450 991070745770332120160819123724.0(CKB)5470000002464951(OCoLC)891382909(EXLCZ)99547000000246495120140926d1975 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAutomatic interpretation of Schlumberger sounding curves, using modified Dar Zarrouk functions /by Adel A.R. Zohdy[Washington, D.C.] :United States Department of the Interior, Geological Survey,1975.Washington :United States Government Printing Office.1 online resource (39 pages) illustrationsGeological Survey bulletin ;1313-ETitle from title screen (viewed September 15, 2014)."New techniques in direct-current resistivity exploration.""Formulas defining two types of modified Dar Zarrouk curves are used to invert Schlumberger sounding curves, uring an iterative procedure. The number of layers, which is equal to the number of points on the inverted curve, is reduced by automatically smoothing the corresponding DZ curve."Includes bibliographical references (pages 37-39).New techniques in direct-current resistivity exploration, interpretation of Schlumberger sounding curvesEarth resistance (Geophysics)Data processingElectric currentsElectric prospectingData processingEarth resistance (Geophysics)Data processingfastElectric currentsfastElectric prospectingData processingfastEarth resistance (Geophysics)Data processing.Electric currents.Electric prospectingData processing.Earth resistance (Geophysics)Data processing.Electric currents.Electric prospectingData processing.Zohdy Adel A. R.1935-2014,1387198Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707457703321Automatic interpretation of Schlumberger sounding curves, using modified Dar Zarrouk functions3436764UNINA