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Imaging of groundwater with nuclear magnetic resonance
M Hertrich - Progress in Nuclear Magnetic Resonance …, 2008 - Elsevier
The method of surface nuclear magnetic resonance (SNMR) is a relatively new geophysical
technique that exploits the NMR-phenomenon for a quantitative determination of the sub …
technique that exploits the NMR-phenomenon for a quantitative determination of the sub …
Theory of surface nuclear magnetic resonance with applications to geophysical imaging problems
The general theory of nuclear magnetic resonance (NMR) imaging of large
electromagnetically active systems is considered. We emphasize particularly noninvasive …
electromagnetically active systems is considered. We emphasize particularly noninvasive …
Pore size distributions and hydraulic conductivities of rocks derived from magnetic resonance sounding relaxation data using multi-exponential decay time inversion
O Mohnke, U Yaramanci - Journal of Applied Geophysics, 2008 - Elsevier
In hydrogeology there is a variety of empirical formulae available for determination of
hydraulic conductivity of porous media, all based on the analysis of grain size distributions of …
hydraulic conductivity of porous media, all based on the analysis of grain size distributions of …
Smooth and block inversion of surface NMR amplitudes and decay times using simulated annealing
O Mohnke, U Yaramanci - Journal of Applied Geophysics, 2002 - Elsevier
This paper introduces a new 1-D inversion scheme for surface nuclear magnetic resonance
(SNMR) amplitudes and decay times, using the optimized random search algorithm …
(SNMR) amplitudes and decay times, using the optimized random search algorithm …
Magnetic resonance soundings with separated transmitter and receiver loops
Triggered by an extended mathematical formulation of the response signal for magnetic
resonance soundings (MRS), which allows the treatment of individual transmitter and …
resonance soundings (MRS), which allows the treatment of individual transmitter and …
Study on complex inversion of magnetic resonance sounding signals
Magnetic resonance sounding (MRS), also known as surface nuclear magnetic resonance
(SNMR), is used for non‐invasive direct groundwater determination and aquifer …
(SNMR), is used for non‐invasive direct groundwater determination and aquifer …
Application of magnetic resonance sounding to tunnels for advanced detection of water-related disasters: A case study in the Dadushan Tunnel, Guizhou, China
Abstract The Dadushan Tunnel, which is located in the southwestern karst region of China in
Guizhou Province, is one of the key elements of the Hukun High-Speed Railway. Cavities …
Guizhou Province, is one of the key elements of the Hukun High-Speed Railway. Cavities …
Two‐dimensional distribution of relaxation time and water content from surface nuclear magnetic resonance
Development in instrumentation and data analysis of surface nuclear magnetic resonance
has recently moved on from one‐dimensional (1D) soundings to two‐dimensional (2D) …
has recently moved on from one‐dimensional (1D) soundings to two‐dimensional (2D) …
Study of surface nuclear magnetic resonance inverse problems
Motivated by the recent application of the Earth-field nuclear magnetic resonance (NMR)
technique to the detection and map** of subsurface groundwater (to depths of 100 m or …
technique to the detection and map** of subsurface groundwater (to depths of 100 m or …
Low‐frequency electromagnetic exploration for groundwater on Mars
RE Grimm - Journal of Geophysical Research: Planets, 2002 - Wiley Online Library
Water with even a small amount of dissolved solids has an electrical conductivity orders of
magnitude higher than dry rock and is therefore a near‐ideal exploration target on Mars for …
magnitude higher than dry rock and is therefore a near‐ideal exploration target on Mars for …