All Outputs (1789)

Comparisons of magnetic and electrical resistivity surveys over simulated clandestine graves in contrasting burial environments (2010)
Journal Article
Juerges, A., Pringle, J., Jervis, J., & Masters, P. (2010). Comparisons of magnetic and electrical resistivity surveys over simulated clandestine graves in contrasting burial environments. Near Surface Geophysics, 8(6), 529 -539. https://doi.org/10.3997/1873-0604.2010041

Determining the effectiveness and limitations of near-surface, non-invasive geophysical techniques is imperative when attempting to locate clandestine burials. Unlike in archaeology, there has been limited forensic research with regard to optimum met... Read More about Comparisons of magnetic and electrical resistivity surveys over simulated clandestine graves in contrasting burial environments.

Interpreting complex, three-dimensional, near-surface GPR surveys: An integrated modelling and inversion approach (2010)
Journal Article
Millington, T., Cassidy, N., Nuzzo, L., Crocco, L., Soldovieri, F., & Pringle, J. (2011). Interpreting complex, three-dimensional, near-surface GPR surveys: An integrated modelling and inversion approach. Near Surface Geophysics, 9(3), 297-304. https://doi.org/10.3997/1873-0604.2010010

With the increasing computational power of modern personal computers, sophisticated modelling and inversion techniques are becoming popular tools for the interpretation of high-resolution, fully three-dimensional GPR surveys. In this paper, we presen... Read More about Interpreting complex, three-dimensional, near-surface GPR surveys: An integrated modelling and inversion approach.

Preliminary soilwater conductivity analysis to date clandestine burials of homicide victims (2010)
Journal Article
Pringle, J. K., Cassella, J. P., & Jervis, J. R. (2010). Preliminary soilwater conductivity analysis to date clandestine burials of homicide victims. Forensic Science International, 198(1-3), 126 - 133. https://doi.org/10.1016/j.forsciint.2010.02.005

This study reports on a new geoscientific method to estimate the post-burial interval (PBI) and potential post-mortem interval (PMI) date of homicide victims in clandestine graves by measuring decomposition fluid conductivities. Establishing PBI/PMI... Read More about Preliminary soilwater conductivity analysis to date clandestine burials of homicide victims.

Origin of CEMP stars: What helium and lithium can tell us about CEMP stars? (2010)
Journal Article
Meynet, G., Hirschi, R., Ekstrom, S., Maeder, A., Georgy, C., Eggenberger, P., & Chiappini, C. (2010). Origin of CEMP stars: What helium and lithium can tell us about CEMP stars?. Proceedings of the International Astronomical Union, 268, 141-146. https://doi.org/10.1017/S1743921310003984

We show that the peculiar surface abundance patterns of Carbon Enhanced Metal Poor (CEMP) stars has been inherited from material having been processed by H- and He-burning phases in a previous generation of stars (hereafter called the ``Source Stars'... Read More about Origin of CEMP stars: What helium and lithium can tell us about CEMP stars?.

Ice chemistry in embedded young stellar objects in the Large Magellanic Cloud (2009)
Journal Article
Oliveira, J. M., van Loon, J. T., Chen, C. R., Tielens, A. G. G. M., Sloan, G. C., Woods, P. M., …Marengo, M. (2009). Ice chemistry in embedded young stellar objects in the Large Magellanic Cloud. Astrophysical Journal, 707(1269), https://doi.org/10.1088/0004-637X/707/2/1269

We present spectroscopic observations of a sample of 15 embedded young stellar objects (YSOs) in the Large Magellanic Cloud (LMC). These observations were obtained with the Spitzer Infrared Spectrograph (IRS) as part of the SAGE-Spec Legacy program.... Read More about Ice chemistry in embedded young stellar objects in the Large Magellanic Cloud.

Exact and approximate relations for the spin-dependence of the exchange energy in high magnetic fields (2009)
Journal Article
(2009). Exact and approximate relations for the spin-dependence of the exchange energy in high magnetic fields. International Journal of Modern Physics B, 3004 - 3008. https://doi.org/10.1142/S0217979209062712

The exchange energy of an arbitrary collinear-spin many-body system in an external magnetic field is a functional of the spin-resolved charge and current densities. Within the framework of density-functional theory (DFT), we show that the dependence... Read More about Exact and approximate relations for the spin-dependence of the exchange energy in high magnetic fields.

Imaging and monitoring tree-induced subsidence using electrical resistivity imaging (2009)
Journal Article
Jones, G., Cassidy, N., Thomas, P., Plante, S., & Pringle, J. (2009). Imaging and monitoring tree-induced subsidence using electrical resistivity imaging. Near Surface Geophysics, 7(3), 191 -206. https://doi.org/10.3997/1873-0604.2009017

Tree-induced subsidence is a natural ground movement phenomenon that arises when tree roots absorb water from clay-rich soils, causing them to shrink. Tree-induced subsidence is particularly problematic for buildings and structures in close proximity... Read More about Imaging and monitoring tree-induced subsidence using electrical resistivity imaging.

Massive Stars as Cosmic Engines through the Ages (2008)
Journal Article
Hirschi, R. (2008). Massive Stars as Cosmic Engines through the Ages. Proceedings of the International Astronomical Union, 3-16. https://doi.org/10.1017/S1743921308020292

Some useful developments in the model physics are briefly presented, followed by model results on chemical enrichments and WR stars. We discuss the expected rotation velocities of WR stars. We emphasize that the (C+O)/He ratio is a better chemical in... Read More about Massive Stars as Cosmic Engines through the Ages.

Time-lapse geophysical investigations over a simulated urban clandestine grave (2008)
Journal Article
Pringle, J. K., Jervis, J., Cassella, J. P., & Cassidy, N. J. (2008). Time-lapse geophysical investigations over a simulated urban clandestine grave. Journal of Forensic Sciences, 53(6), 1405 -1416. https://doi.org/10.1111/j.1556-4029.2008.00884.x

A simulated clandestine shallow grave was created within a heterogeneous, made-ground, urban environment where a clothed, plastic resin, human skeleton, animal products, and physiological saline were placed in anatomically correct positions and re-co... Read More about Time-lapse geophysical investigations over a simulated urban clandestine grave.

Contribution of the second Landau level to the exchange energy of the three-dimensional electron gas in a high magnetic field (2008)
Journal Article
(2008). Contribution of the second Landau level to the exchange energy of the three-dimensional electron gas in a high magnetic field. Physical review B: Condensed matter and materials physics, https://doi.org/10.1103/PhysRevB.78.085107

We derive a closed analytical expression for the exchange energy of the three-dimensional interacting electron gas in strong magnetic fields, which goes beyond the quantum limit (L=0) by explicitly including the effect of the second, L=1, Landau lev... Read More about Contribution of the second Landau level to the exchange energy of the three-dimensional electron gas in a high magnetic field.

Orbital-polarization terms: From a phenomenological to a first-principles description of orbital magnetism in density-functional theory (2008)
Journal Article
(2008). Orbital-polarization terms: From a phenomenological to a first-principles description of orbital magnetism in density-functional theory. International Journal of Quantum Chemistry, 2433 -2441. https://doi.org/10.1002/qua.21784

Phenomenological orbital-polarization (OP) terms have been repeatedly introduced in the single-particle equations of spin-density-functional theory, in order to improve the description of orbital magnetic moments in systems containing transition meta... Read More about Orbital-polarization terms: From a phenomenological to a first-principles description of orbital magnetism in density-functional theory.

The star formation process in the Magellanic Clouds (2008)
Journal Article
M. Oliveira, J. (2008). The star formation process in the Magellanic Clouds. Proceedings of the International Astronomical Union, https://doi.org/10.1017/S1743921308028457

The Magellanic Clouds offer unique opportunities to study star formation both on the global scales of an interacting system of gas-rich galaxies, as well as on the scales of individual star-forming clouds. The interstellar media of the Small and Larg... Read More about The star formation process in the Magellanic Clouds.

Stellar Evolution in the Early Universe (2008)
Journal Article
Hirschi, R., Frischknecht, U., -K. Thielemann, F., Pignatari, M., Chiappini, C., Ekstroem, S., …Maeder, A. (2008). Stellar Evolution in the Early Universe. Proceedings of the International Astronomical Union, 4(S255), https://doi.org/10.1017/S1743921308024976

Massive stars played a key role in the early evolution of the Universe. They formed with the first halos and started the re-ionisation. It is therefore very important to understand their evolution. In this paper, we describe the strong impact of rota... Read More about Stellar Evolution in the Early Universe.

Geophysical characterization of derelict coalmine workings and mineshaft detection: a case study from Shrewsbury, United Kingdom (2008)
Journal Article
Stimpson, Pringle, Pringle, J., Stimpson, I., Toon, S., Caunt, S., …Styles, P. (2008). Geophysical characterization of derelict coalmine workings and mineshaft detection: a case study from Shrewsbury, United Kingdom. Near Surface Geophysics, 6(3), 185 -194. https://doi.org/10.3997/1873-0604.2008014

A study site of derelict coalmine workings near Shrewsbury, United Kingdom was the focus for multi-phase, near-surface geophysical investigations. Investigation objectives were: 1) site characterization for remaining relict infrastructure foundations... Read More about Geophysical characterization of derelict coalmine workings and mineshaft detection: a case study from Shrewsbury, United Kingdom.

Stellar Evolution at Low Metallicity (2007)
Journal Article
Hirschi, R., Chiappini, C., Meynet, G., Maeder, A., & Ekstrom, S. (2007). Stellar Evolution at Low Metallicity. Proceedings of the International Astronomical Union, 3(S250), https://doi.org/10.1017/S1743921308020528

Massive stars played a key role in the early evolution of the Universe. They formed with the first halos and started the re-ionisation. It is therefore very important to understand their evolution. In this review, we first recall the effect of metall... Read More about Stellar Evolution at Low Metallicity.

Mass loss and very low-metallicity stars (2007)
Journal Article
Hirschi, R., Chiappini, C., Meynet, G., Ekstrom, S., & Maeder, A. (2007). Mass loss and very low-metallicity stars. AIP conference proceedings, 948, 397–404. https://doi.org/10.1063/1.2818999

Mass loss plays a dominant role in the evolution of massive stars at solar metallicity. After discussing different mass loss mechanisms and their metallicity dependence, we present the possibility of strong mass loss at very low metallicity. Our mode... Read More about Mass loss and very low-metallicity stars.

GRB progenitors at low metallicities (2007)
Journal Article
Hirschi, R., Meynet, G., & Maeder, A. (2007). GRB progenitors at low metallicities. IL NUOVO CIMENTO B, 10-11, 1183-1187. https://doi.org/10.1393/ncb/i2007-10237-6

We calculated pre-supernova evolution models of single rotating massive stars. These models reproduce observations during the early stages of the evolution very well, in particular Wolf--Rayet (WR) populations and ratio between type II and type Ib,c... Read More about GRB progenitors at low metallicities.

The ultra-compact binary candidate KUV 23182+1007 is a bright quasar (2007)
Journal Article
Southworth, J., Schwope, A., Gaensicke, B., & Schreiber, M. (2007). The ultra-compact binary candidate KUV 23182+1007 is a bright quasar. arXiv,

KUV 23182+1007 was identified as a blue object in the Kiso UV Survey in the 1980s. Classification-dispersion spectroscopy showed a featureless continuum except for a strong emission line in the region of He II 4686 A. This is a hallmark of the rare A... Read More about The ultra-compact binary candidate KUV 23182+1007 is a bright quasar.

The Keele–Exeter young cluster survey – I. Low-mass pre-main-sequence stars in NGC 2169 (2007)
Journal Article
Jeffries, R., Oliveira, J., Naylor, T., Mayne, N., & Littlefair, S. (2007). The Keele–Exeter young cluster survey – I. Low-mass pre-main-sequence stars in NGC 2169. Monthly Notices of the Royal Astronomical Society, 376(2), 580 -598. https://doi.org/10.1111/j.1365-2966.2007.11327.x

We have used R_C I_C CCD photometry from the Isaac Newton telescope and intermediate resolution spectroscopy from the Gemini North telescope to identify and characterise low-mass (0.15<M/M_sun<1.3) pre-main sequence stars in the young open cluster NG...

GPR-derived sedimentary architecture and stratigraphy of outburst flood sedimentation within a bedrock valley system, Hraundalur, Iceland (2007)
Journal Article
Carrivick, J. L., Pringle, J. K., Russell, A. J., & Cassidy, N. J. (2007). GPR-derived sedimentary architecture and stratigraphy of outburst flood sedimentation within a bedrock valley system, Hraundalur, Iceland. Journal of Environmental and Engineering Geophysics, 12(1), 127 -143. https://doi.org/10.2113/JEEG12.1.127

Jökulhlaups and lahars are both types of outburst flood that commonly comprise a glacial meltwater and volcaniclastic sediment mix, and have discharges that are typically several orders of magnitude greater than perennial flows. Both types thus const... Read More about GPR-derived sedimentary architecture and stratigraphy of outburst flood sedimentation within a bedrock valley system, Hraundalur, Iceland.