Feasibility study on prepolarized surface nuclear magnetic resonance for soil moisture measurements
Sign Up to like & getrecommendations! Published in 2021 at "Vadose Zone Journal"
DOI: 10.1002/vzj2.20138
Abstract: In the past few years, small‐scale (2 m) prepolarized surface nuclear magnetic resonance (SNMR) has gained increasing interest in the research community. As recent studies demonstrated, the application of a strong prepolarization field enhances the… read more here.
Keywords: nuclear magnetic; soil moisture; moisture; prepolarized surface ... See more keywords
Using surface nuclear magnetic resonance and spontaneous potential to investigate the source of water seepage in the JinDeng Temple grottoes, China
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cultural Heritage"
DOI: 10.1016/j.culher.2020.05.006
Abstract: Abstract The JinDeng Temple grottoes are large-scale grottoes that were dug in natural cliffs more than 500 years ago. The grotto art provides an important legacy and is of high historical, cultural, and artistic value.… read more here.
Keywords: nuclear magnetic; surface nuclear; water; magnetic resonance ... See more keywords
A cautionary tale: How phase compensation during surface nuclear magnetic resonance inversion conceals forward modelling errors
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2019.103905
Abstract: Abstract Surface nuclear magnetic resonance (NMR) data are sensitive to key hydrogeological parameters including water content and pore size. The measured data are modelled as a complex sinusoidal exponential decay where the phase is a… read more here.
Keywords: modelling errors; phase; inversion; surface nuclear ... See more keywords
A Rotational Measurement Scheme of Surface Nuclear Magnetic Resonance for Shallow Frozen Lake Characterization in Urban Environments
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3070858
Abstract: Surface nuclear magnetic resonance (sNMR) can directly and quantitatively detect groundwater, but its application in urban environments faces problems, such as low signal-to-noise ratios (SNRs) and difficulties in laying the coils. This study presents a… read more here.
Keywords: nuclear magnetic; frozen lake; water; surface nuclear ... See more keywords
Study on Shortening the Dead Time of Surface Nuclear Magnetic Resonance Instrument Using Bipolar Phase Pulses
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2019.2911755
Abstract: Surface nuclear magnetic resonance (NMR) is a geophysical technique for direct and quantitative detection of underground water sources. In recent years, with the application of lightweight instruments in tunnels and mines, coils with small dimensions… read more here.
Keywords: surface nuclear; surface; time surface; dead time ... See more keywords