Detection of Subsurface Flow Phenomena

Effect of leaks in dams and trials to detect leakages by geophysikal means....Pages 1-17
The project of the volkswagen foundation "geoelectrics/thermometry"....Pages 19-29
The application of geoelectrical and thermal measurements to locate dam leakages....Pages 31-47
Data quality for engineering self-potential surveys....Pages 49-72
Numerical modeling of self-potential anomalies due to leaky dams: Model and field examples....Pages 73-89
Mathematical models of self-potential fields (geoelectrical or geothermal) for detection of subsurface flow phenomena....Pages 91-97
Streaming potential in nature....Pages 99-107
Self-potential surveys on waste dumps theory and practice....Pages 109-120
Self-potential generation by subsurface water flow through electrokinetic coupling....Pages 121-131
Fundamentals of streaming potentials in geophysics: Laboratory methods....Pages 133-144
Copper-copper sulfate electrodes for self-potential and magnetotelluric measurements....Pages 145-146
Self-potential measurements to determine preferred waterflow in fractured rocks....Pages 147-156
Laboratory studies on the characteristics of electrodes used for streaming-potential measurements....Pages 157-170
Long-term self-potential data acquisition and processing....Pages 171-196
Model experiments on a small test channel. Empirical correlations between flow potentials and the hydraulic field....Pages 197-210
Aspects concerning the results of laboratory geoelectric measurements for the study of hydrogeological phenomena....Pages 211-221
Modelling of streaming potentials and thermometrical measurements at a big laboratory channel....Pages 223-249
Geoelectrical mapping and groundwater contamination....Pages 251-260
Complex resistivity measurements on granites....Pages 261-278
The MIMAFO direct current cross-hole method: A support to hydraulic investigations....Pages 279-294
Geoelectrical measurements at the salt mine asse to observe an underground barrier construction....Pages 295-312
Geoelectrical measurements at the KTB location....Pages 313-316
Some problems concerning the measurement of near-surface streaming potentials as well as of surface temperatures for the detection of near-surface flow phenomena....Pages 317-338
Temperature disturbance in a dam due to leakage....Pages 339-347
Data processing by temperature measurements....Pages 349-357
Application of thermal ir-techniques for reconnaissance of dam and barrage defects in an early state, analysis of dump sites and tunnel condition surveys....Pages 359-369
Detection of river-infiltrated water flow by evaluation of hydrogeologic, hydrochemical and hydrothermal data using numerical groundwater models....Pages 371-383
Geophysical methodology for subsurface fluid flow detection, mapping and monitoring: An overview and selected case history....Pages 385-400
Electrical surveys using the method of the natural electrical field; new investigations....Pages 401-462
An attempt to determine the earth embankment conditions by resistivity investigation....Pages 463-471
Aspects concerning the detection by geoelectrical methods of seepage at some romanian dams....Pages 473-487
Main topics of the round table discussion....Pages 487-495
Some detection methods used for the storage reservoir at iffezheim, FRG....Pages 499-509
The black forest observatory Schiltach....Pages 511-514