Sporadic hotspots for physico-chemical retention of aquatic organic carbon: from peatland headwater source to sea (2015)
Journal Article
Palmer, S., Evans, C., Chapman, P., Burden, A., Jones, T., Allott, T., …Holden, J. (2016). Sporadic hotspots for physico-chemical retention of aquatic organic carbon: from peatland headwater source to sea. Aquatic Sciences - Research Across Boundaries, 78(3), 491-504. https://doi.org/10.1007/s00027-015-0448-x

Few studies have quantified the role of in-stream processes on net dissolved and particulate organic carbon (DOC and POC, respectively) export from peatland catchments, and those that have offer conflicting evidence. In this study, we evaluated evide... Read More about Sporadic hotspots for physico-chemical retention of aquatic organic carbon: from peatland headwater source to sea.

Identifying DOC gains and losses during a 20-year record in the Trout Beck catchment, Moor House, UK (2015)
Journal Article
Moody, C., Worrall, F., & Burt, T. (2016). Identifying DOC gains and losses during a 20-year record in the Trout Beck catchment, Moor House, UK. Ecological Indicators, 68, 102-114. https://doi.org/10.1016/j.ecolind.2015.11.033

The turnover of organic carbon in rivers could represent a large source of greenhouse gases to the atmosphere and studies have suggested that of the order of 70% of the dissolved organic carbon exported from soils could be lost in rivers before it fl... Read More about Identifying DOC gains and losses during a 20-year record in the Trout Beck catchment, Moor House, UK.

Sub-daily rates of degradation of fluvial carbon from a peat headwater stream (2015)
Journal Article
Moody, C., & Worrall, F. (2016). Sub-daily rates of degradation of fluvial carbon from a peat headwater stream. Aquatic Sciences - Research Across Boundaries, 78(3), 419-431. https://doi.org/10.1007/s00027-015-0456-x

In-stream processing of allochthonous dissolved organic carbon (DOC) and particulate organic carbon (POC) in peat-sourced headwaters has been shown to be a significant part of the terrestrial carbon cycle, through photo- and bio-degradation, with bot... Read More about Sub-daily rates of degradation of fluvial carbon from a peat headwater stream.

Was millennial scale climate change during the Last Glacial triggered by explosive volcanism? (2015)
Journal Article
Baldini, J., Brown, R., & McElwaine, J. (2015). Was millennial scale climate change during the Last Glacial triggered by explosive volcanism?. Scientific Reports, 5, Article 17442. https://doi.org/10.1038/srep17442

The mechanisms responsible for millennial scale climate change within glacial time intervals are equivocal. Here we show that all eight known radiometrically-dated Tambora-sized or larger NH eruptions over the interval 30 to 80 ka BP are associated w... Read More about Was millennial scale climate change during the Last Glacial triggered by explosive volcanism?.

The impact of fertilizer management on the oxidation status of terrestrial organic matter (2015)
Journal Article
Worrall, F., Clay, G., & Macdonald, A. (2016). The impact of fertilizer management on the oxidation status of terrestrial organic matter. Soil Use and Management, 32(1), 45-52. https://doi.org/10.1111/sum.12228

The oxidative ratio (the ratio of moles of O2 produced per mole CO2 sequestered – OR) of the organic matter in the terrestrial biosphere governs the ability of the terrestrial biosphere to uptake CO2. The value of OR is known to vary between environm... Read More about The impact of fertilizer management on the oxidation status of terrestrial organic matter.

Simulation of muon radiography for monitoring CO2 stored in a geological reservoir. (2015)
Journal Article
Klinger, J., Clark, S., Coleman, M., Gluyas, J., Kudryavtsev, V., Lincoln, D., …Woodward, D. (2015). Simulation of muon radiography for monitoring CO2 stored in a geological reservoir. International Journal of Greenhouse Gas Control, 42, 644-654. https://doi.org/10.1016/j.ijggc.2015.09.010

Current methods of monitoring subsurface CO2, such as repeat seismic surveys, are episodic and require highly skilled personnel to acquire the data. Simulations based on simplified models have previously shown that muon radiography could be automated... Read More about Simulation of muon radiography for monitoring CO2 stored in a geological reservoir..

Feldspar dissolution, authigenic clays and quartz cement in open and closed geochemical systems during diagenesis; Typical examples from two rift sags in Bohai Bay, East China (2015)
Journal Article
Yuan, G., Cao, Y., Gluyas, J., Li, X., Xi, K., Wang, Y., …Oxtoby, N. (2015). Feldspar dissolution, authigenic clays and quartz cement in open and closed geochemical systems during diagenesis; Typical examples from two rift sags in Bohai Bay, East China. AAPG Bulletin, 99(11), 2121-2154. https://doi.org/10.1306/07101514004

Feldspar dissolution and precipitation of clays and quartz cements are important diagenetic reactions affecting reservoir quality evolution in sandstones with detrital feldspars. We examined two sets of sandstone reservoirs to determine whether the s... Read More about Feldspar dissolution, authigenic clays and quartz cement in open and closed geochemical systems during diagenesis; Typical examples from two rift sags in Bohai Bay, East China.

Variations in dissolved organic carbon concentrations across peatland hillslopes (2015)
Journal Article
Boothroyd, I., Worrall, F., & Allott, T. (2015). Variations in dissolved organic carbon concentrations across peatland hillslopes. Journal of Hydrology, 530, 372-383. https://doi.org/10.1016/j.jhydrol.2015.10.002

Peatlands are important terrestrial carbon stores and dissolved organic carbon (DOC) is one of the most important contributors to carbon budgets in peatland systems. Many studies have investigated factors affecting DOC concentration in peatland syste... Read More about Variations in dissolved organic carbon concentrations across peatland hillslopes.

The fluvial flux of particulate organic matter from the UK: the emission factor of soil erosion (2015)
Journal Article
Worrall, F., Burt, T., & Howden, N. (2016). The fluvial flux of particulate organic matter from the UK: the emission factor of soil erosion. Earth Surface Processes and Landforms, 41(1), 61-71. https://doi.org/10.1002/esp.3795

Soil erosion has been identified as a potential global carbon sink since eroded organic matter is replaced at source and eroded material is readily buried. However, this argument has relied on poor estimates of the total fate of in-transit particulat... Read More about The fluvial flux of particulate organic matter from the UK: the emission factor of soil erosion.

The problem of self-correlation in fluvial flux data - the case of nitrate flux from UK rivers (2015)
Journal Article
Worrall, F., Burt, T., & Howden, N. (2015). The problem of self-correlation in fluvial flux data - the case of nitrate flux from UK rivers. Journal of Hydrology, 530, 328-335. https://doi.org/10.1016/j.jhydrol.2015.09.068

This study proposes a general method for testing for self-correlation (also known as spurious or induced correlation) in comparisons where there is a common variable, e.g. the comparison of the fluvial flux of a component with water yield. We conside... Read More about The problem of self-correlation in fluvial flux data - the case of nitrate flux from UK rivers.

Can grain size sensitive flow lubricate faults during the initial stages of earthquake propagation? (2015)
Journal Article
De Paola, N., Holdsworth, R., Viti, C., Collettini, C., & Bullock, R. (2015). Can grain size sensitive flow lubricate faults during the initial stages of earthquake propagation?. Earth and Planetary Science Letters, 431, 48-58. https://doi.org/10.1016/j.epsl.2015.09.002

Recent friction experiments carried out under upper crustal P–T conditions have shown that microstructures typical of high temperature creep develop in the slip zone of experimental faults. These mechanisms are more commonly thought to control aseism... Read More about Can grain size sensitive flow lubricate faults during the initial stages of earthquake propagation?.

Disruption of Tephra Fall Deposits Caused by Lava Flows during Basaltic Eruptions (2015)
Journal Article
Brown, R., Thordarson, T., Self, S., & Blake, S. (2015). Disruption of Tephra Fall Deposits Caused by Lava Flows during Basaltic Eruptions. Bulletin of Volcanology, 77(10), Article 90. https://doi.org/10.1007/s00445-015-0974-3

Observations in the USA, Iceland and Tenerife, Canary Islands reveal how processes occurring during basaltic eruptions can result in complex physical and stratigraphic relationships between lava and proximal tephra fall deposits around vents. Observa... Read More about Disruption of Tephra Fall Deposits Caused by Lava Flows during Basaltic Eruptions.

Rootless cone eruption processes informed by dissected tephra deposits and conduits (2015)
Journal Article
Reynolds, P., Brown, R., Thordarson, T., Llewellin, E., & Fielding, K. (2015). Rootless cone eruption processes informed by dissected tephra deposits and conduits. Bulletin of Volcanology, 77(9), Article 72. https://doi.org/10.1007/s00445-015-0958-3

Rootless cones result from the explosive interaction between lava flows and underlying water-saturated sediment or volcaniclastic deposits. Rootless explosions can represent a significant far-field hazard during basaltic eruptions, but there are few... Read More about Rootless cone eruption processes informed by dissected tephra deposits and conduits.

Towards a Mechanistic Understanding of Carbon Stabilization in Manganese Oxides (2015)
Journal Article
Johnson, K., Purvis, G., Lopez-Capel, E., Peacock, C., Gray, N., Wagner, T., …Greenwell, C. (2015). Towards a Mechanistic Understanding of Carbon Stabilization in Manganese Oxides. Nature Communications, 6, Article 7628. https://doi.org/10.1038/ncomms8628

Minerals stabilize organic carbon (OC) in sediments, thereby directly affecting global climate at multiple scales, but how they do it is far from understood. Here we show that manganese oxide (Mn oxide) in a water treatment works filter bed traps dis... Read More about Towards a Mechanistic Understanding of Carbon Stabilization in Manganese Oxides.

Petrology, geochemistry and low-temperature alteration of lavas and pyroclastic rocks of the kimberlitic Igwisi Hills volcanoes, Tanzania. (2015)
Journal Article
Willcox, A., Buisman, I., Sparks, R., Brown, R., Manya, S., Schumacher, J., & Tuffen, H. (2015). Petrology, geochemistry and low-temperature alteration of lavas and pyroclastic rocks of the kimberlitic Igwisi Hills volcanoes, Tanzania. Chemical Geology, 405, 82-101. https://doi.org/10.1016/j.chemgeo.2015.04.012

Geochemical data are presented for the kimberlitic Holocene Igwisi Hills volcanoes (IHV), Tanzania, which preserve extra-crater lavas and pyroclastic rocks. Their young age and exceptional preservation enable investigation of kimberlite magma composi... Read More about Petrology, geochemistry and low-temperature alteration of lavas and pyroclastic rocks of the kimberlitic Igwisi Hills volcanoes, Tanzania..

Seasonality of westerly moisture transport in the East Asian Summer Monsoon and its implications for interpreting precipitation δ18O (2015)
Journal Article
Baker, A., Sodemann, H., Baldini, J., Breitenbach, S., Johnson, K., van Hunen, J., & Pingzhong, Z. (2015). Seasonality of westerly moisture transport in the East Asian Summer Monsoon and its implications for interpreting precipitation δ18O. Journal of Geophysical Research: Atmospheres, 120(12), 5850-5862. https://doi.org/10.1002/2014jd022919

East Asian summer monsoon (EASM) rainfall impacts the world's most populous regions. Accurate EASM rainfall prediction necessitates robust paleoclimate reconstructions from proxy data and quantitative linkage to modern climatic conditions. Many preci... Read More about Seasonality of westerly moisture transport in the East Asian Summer Monsoon and its implications for interpreting precipitation δ18O.

Geothermal Energy – the Global Opportunity (2015)
Journal Article
Adams, C., Auld, A., Gluyas, J., & Hogg, S. I. (2015). Geothermal Energy – the Global Opportunity. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 229(7), 747-754. https://doi.org/10.1177/0957650915590704

Exploitation of geothermal energy offers a consistent and secure low carbon energy supply. Geothermal energy resources are associated with a variety of geological settings, are available at temperatures ranging from a few tens of degrees to several h... Read More about Geothermal Energy – the Global Opportunity.

Advantages of a conservative velocity interpolation (CVI) scheme for particle-in-cell methods with application in geodynamic modeling (2015)
Journal Article
Wang, H., Agrusta, R., & van Hunen, J. (2015). Advantages of a conservative velocity interpolation (CVI) scheme for particle-in-cell methods with application in geodynamic modeling. Geochemistry, Geophysics, Geosystems, 16(6), 2015-2023. https://doi.org/10.1002/2015gc005824

The particle-in-cell method is generally considered a flexible and robust method to model the geodynamic problems with chemical heterogeneity. However, velocity interpolation from grid points to particle locations is often performed without consideri... Read More about Advantages of a conservative velocity interpolation (CVI) scheme for particle-in-cell methods with application in geodynamic modeling.

Quantifying the influence of sill intrusion on the thermal evolution of organic-rich sedimentary rocks in non-volcanic passive margins: an example from ODP 210-1276, offshore Newfoundland, Canada (2015)
Journal Article
Peace, A., McCaffrey, K., Imber, J., Hobbs, R., Van Hunen, J., & Gerdes, K. (2015). Quantifying the influence of sill intrusion on the thermal evolution of organic-rich sedimentary rocks in non-volcanic passive margins: an example from ODP 210-1276, offshore Newfoundland, Canada. Basin Research, 29(3), 249-265. https://doi.org/10.1111/bre.12131

Intrusive magmatism is an integral and understudied component in both volcanic and non-volcanic passive margins. Here, we investigate the thermal effects of widespread (c. 20,000 km2) intrusive magmatism on the thermal evolution of organic-rich sedim... Read More about Quantifying the influence of sill intrusion on the thermal evolution of organic-rich sedimentary rocks in non-volcanic passive margins: an example from ODP 210-1276, offshore Newfoundland, Canada.

An experimental investigation into the role of phyllosilicate content on earthquake propagation during seismic slip in carbonate faults (2015)
Journal Article
Bullock, R., De Paola, N., & Holdsworth, R. (2015). An experimental investigation into the role of phyllosilicate content on earthquake propagation during seismic slip in carbonate faults. Journal of Geophysical Research. Solid Earth, 120(5), 3187-3207. https://doi.org/10.1002/2015jb011914

Carbonate faults commonly contain small amounts of phyllosilicate in their slip zones, due to pressure solution and/or clay smear. To assess the effect of phyllosilicate content on earthquake propagation in carbonate faults, friction experiments were... Read More about An experimental investigation into the role of phyllosilicate content on earthquake propagation during seismic slip in carbonate faults.