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Articles 1051 - 1080 of 2987
Full-Text Articles in Entire DC Network
Hyper-Accumulation Of Legacy Fallout Radionuclides In Cryoconite On Isfallsglaciären (Arctic Sweden) And Their Downstream Distribution, C Clason, W Blake, N Selmes, A Taylor, P Boeckx, J Kitch, S Mills, G Baccolo, G Millward
Hyper-Accumulation Of Legacy Fallout Radionuclides In Cryoconite On Isfallsglaciären (Arctic Sweden) And Their Downstream Distribution, C Clason, W Blake, N Selmes, A Taylor, P Boeckx, J Kitch, S Mills, G Baccolo, G Millward
School of Geography, Earth and Environmental Sciences
No abstract provided.
In Vitro Bioaccessibility Assessment As A Tool To Predict The Toxicity Of Bioremediation Products, N. Jebril, R. Boden, C. Braungardt
In Vitro Bioaccessibility Assessment As A Tool To Predict The Toxicity Of Bioremediation Products, N. Jebril, R. Boden, C. Braungardt
School of Biological and Marine Sciences
The demand for the development of bioremediation processes designed to maintain healthy environments has increased; however, evaluation of the toxicity of its products is needed. Therefore, the toxicity of the Cd-loaded beads of the bioremediation approach developed in this paper was evaluated by using in vitro human gastrointestinal simulation (BARGE method). Cd-loaded beads were obtained from adsorption experiments of Cd from artificial groundwater (AGW) and natural river water (NRW, Walkham River, England) using Ca-alginate beads containing live cells of the mutant Brevibacillus agri C15 CdR and its wild type B. agri C15, in batch flasks. The results showed that the …
A Humanist University In A Posthuman World: Relations, Responsibilities, And Rights, Jocey Quinn
A Humanist University In A Posthuman World: Relations, Responsibilities, And Rights, Jocey Quinn
Plymouth Institute of Education
This paper explores the entanglement of humanism and posthumanism within the Western European University, focusing on ethical implications and the role of the university in protecting the marginalised. To illustrate its arguments, it draws on a small study conducted in an ancient Italian university which specialises in Humanities and Social Sciences. The paper focuses on two key knotty issues: relationships between university aspirations to posthumanism and the colonial legacies of humanism, and the implications of holding on to humanism as a guarantor of human rights for marginalised people. It concludes by discussing the limitations of a posthuman ethics of responsibility …
Chemical And Biological Enhancement Effects Of Biochar On Wheat Growth And Yield Under Arid Field Conditions, Z Khan, Mhu Rahman, G Haider, R Amir, Et Al
Chemical And Biological Enhancement Effects Of Biochar On Wheat Growth And Yield Under Arid Field Conditions, Z Khan, Mhu Rahman, G Haider, R Amir, Et Al
School of Geography, Earth and Environmental Sciences
Nitrogen (N) losses are prevalent under South East Asia’s due to high N fertilizer inputs, but low N fertilizer use efficiency. This leaves a large quantity of reactive N at risk of loss to the environment. Biochar has been found to reduce N losses across a variety of soil types, however, there is limited data available for semi-arid climates, particularly at a field-scale. Herein we present an exploration of the biological and chemical enhancement effects observed of a cotton stalk-based biochar on wheat growth and yield under arid field conditions. The biochar was treated with urea-N and biofertilizer (bio-power) in …
Editorial: Plastics In The Environment: Understanding Impacts And Identifying Solutions, Montserrat Filella, Andrew Turner, Hans Peter H. Arp
Editorial: Plastics In The Environment: Understanding Impacts And Identifying Solutions, Montserrat Filella, Andrew Turner, Hans Peter H. Arp
School of Geography, Earth and Environmental Sciences
Plastics are one of the most widely used materials in the world which society will always be dependent on. This dependency has been clearly highlighted by the requirements for hygiene and protection during the recent global COVID pandemic (Adyel, 2020; Prata et al., 2020). Plastics are broadly integrated into today’s lifestyle and are present in almost all consumer and industrial sectors and their production continues to increase (Geyer et al., 2017). Unfortunately, one of the characteristics of plastics that make them so useful—their durability—also ensures that they persist in the environment for very long periods of time. Additionally, and because …
Fulfilling Careers In The Sail Training Sector: Charting A Course For Professionals And Volunteers – It’S Not About The Boat!, A Morgan, S Langford, T Vassallo
Fulfilling Careers In The Sail Training Sector: Charting A Course For Professionals And Volunteers – It’S Not About The Boat!, A Morgan, S Langford, T Vassallo
Plymouth Institute of Education
Sail Training has emerged from the work and leisure sailing traditions as a particular sector focused on ‘training through the sea’, or personal and social development. This paper is focused on those drawn to work in this sector as either volunteer or paid workers. It explores the socio historical context from which sail training emerged to account for the character and diversity of the contemporary sector, the variety of routes into the sector and the particular challenges associated with it including the dangers of burnout and drop out. Subsequently we consider the various 'careers' or development trajectories implicated in working …
Hardground, Gap And Thin Black Shale: Spatial Heterogeneity Of Arrested Carbonate Sedimentation During The Jenkyns Event (T-Oae) In A Tethyan Pelagic Basin (Gerecse Mts, Hungary), Tamás Müller, Gregory D. Price, Emanuela Mattioli, Máté Zs Leskó, Ferenc Kristály, József Pálfy
Hardground, Gap And Thin Black Shale: Spatial Heterogeneity Of Arrested Carbonate Sedimentation During The Jenkyns Event (T-Oae) In A Tethyan Pelagic Basin (Gerecse Mts, Hungary), Tamás Müller, Gregory D. Price, Emanuela Mattioli, Máté Zs Leskó, Ferenc Kristály, József Pálfy
School of Geography, Earth and Environmental Sciences
AbstractThe Jenkyns Event or Toarcian Oceanic Anoxic Event was an episode of severe environmental perturbations reflected in carbon isotope and other geochemical anomalies. Although well studied in the epicontinental basins in NW Europe, its effects are less understood in open marine environments. Here we present new geochemical (carbon isotope, CaCO3, [Mn]) and nannofossil biostratigraphic data from the Tölgyhát and Kisgerecse sections in the Gerecse Hills (Hungary). These sections record pelagic carbonate sedimentation near the margin of the Tethys Ocean. A negative carbon isotope excursion of c. 6‰ is observed in the Tölgyhát section, in a condensed clay and black shale …
Disentangling The Complexity Of Socio-Cultural Values Of Temporary Rivers, Dídac Jorda-Capdevila, Irene Iniesta-Arandia, Cristina Quintas-Soriano, Aikaterini Basdeki, Eman J. Calleja, Anna Maria Degirolamo, David Gilvear, Maria Ilhéu, Jūratė Kriaučiūniene, Ivana Logar, Luis Loures, Tomasz Padło
Disentangling The Complexity Of Socio-Cultural Values Of Temporary Rivers, Dídac Jorda-Capdevila, Irene Iniesta-Arandia, Cristina Quintas-Soriano, Aikaterini Basdeki, Eman J. Calleja, Anna Maria Degirolamo, David Gilvear, Maria Ilhéu, Jūratė Kriaučiūniene, Ivana Logar, Luis Loures, Tomasz Padło
School of Geography, Earth and Environmental Sciences
In the last decade, an awareness towards temporary rivers has increased globally in response to drying climates and growing human demand for water. However, social perceptions of temporary rivers have rarely been incorporated in their science and management. In this study, we advance an understanding of the socio-cultural values of temporary rivers principally in a European context. We used an ecosystem services-based approach for a participatory and deliberative exercise with 16 researchers and managers. Our results point out to two important aspects of socio-cultural values in temporary rivers. First, cultural ecosystem services have high socio-cultural values and usually represent the …
Averting A Public Health Crisis In England’S Coastal Communities: A Call For Public Health Research And Policy, Sheena Asthana, Alex Gibson
Averting A Public Health Crisis In England’S Coastal Communities: A Call For Public Health Research And Policy, Sheena Asthana, Alex Gibson
Peninsula Medical School
Coastal communities have received little attention in the public health literature, perhaps because our mental maps tend to associate socio-economic deprivation and health inequalities with inner cities. Mapping a range of key health indicators at small area level, this paper reveals a distinct core-periphery pattern in disease prevalence, with coastal communities experiencing a high burden of ill health across almost all conditions included in the Quality and Outcomes Framework dataset. Other sources suggest poor outcomes for children and young people living in coastal areas. Low rates of participation in higher education contrast with high rates of hospitalisation for self-harm, alcohol …
It’S The Attraction Of Winning That Draws You In” – A Qualitative Investigation Of Reasons And Facilitators For Videogame Loot Box Engagement In Uk Gamers, Laura Louise Nicklin, Stuart Gordon Spicer, James Close, Jonathan Parke, Oliver Smith, Thomas Rayman, H Lloyd, J Lloyd
It’S The Attraction Of Winning That Draws You In” – A Qualitative Investigation Of Reasons And Facilitators For Videogame Loot Box Engagement In Uk Gamers, Laura Louise Nicklin, Stuart Gordon Spicer, James Close, Jonathan Parke, Oliver Smith, Thomas Rayman, H Lloyd, J Lloyd
Peninsula Medical School
Excessive engagement with (increasingly prevalent) loot boxes within games has consistently been linked with disordered gambling and/or gaming. The importance of recognising and managing potential risks associated with loot box involvement means understanding contributing factors is a pressing research priority. Given that motivations for gaming and gambling have been informative in understanding risky engagement with those behaviours, this qualitative study investigated motivations for buying loot boxes, through in-depth interviews with 28 gamers from across the UK. A reflexive thematic analysis categorised reasons for buying into seven “themes”; opening experience; value of box contents; game-related elements; social influences; emotive/impulsive influences; fear …
Quantification Of Particulate Ag In Rainbow Trout Organs Following Dietary Exposure To Silver Nitrate, Or Two Forms Of Engineered Silver Nanoparticles, Nathaniel J. Clark, Robert Clough, David Boyle, Richard D. Handy
Quantification Of Particulate Ag In Rainbow Trout Organs Following Dietary Exposure To Silver Nitrate, Or Two Forms Of Engineered Silver Nanoparticles, Nathaniel J. Clark, Robert Clough, David Boyle, Richard D. Handy
School of Health Professions
Following exposure to a diet containing a control (no added Ag), AgNO3, Ag NPs or Ag2S NPs, Ag-containing particles were found in organs of all treatments, with the highest concentrations following exposure to AgNO3 or Ag NP.
A Creative Response To Food Issues During The Covid-19 Lockdown: Singing Over The Anger, C Pettinger
A Creative Response To Food Issues During The Covid-19 Lockdown: Singing Over The Anger, C Pettinger
School of Health Professions
Introduction. Food is an identifier and maker of class, culture and civilization (Coveney, 2014, p2) and its symbolic potential is powerful, both individually and collectively within society. Yet, because food sits at the intersection of multifarious disciplines, it feeds into a highly complex and often contradictory, nuanced and politically-driven social justice discourse. COVID-19 and the 2020 “lockdown” has ‘shone a light’ on all that is precarious within our food and health systems. The pandemic, which has been termed a ‘crisis on a crisis’, has forced yet more people into food insecurity (Loopstra, 2020) suggesting a further accentuation of social and …
Environmental Dna Reveals Links Between Abundance And Composition Of Airborne Grass Pollen And Respiratory Health, Fm Rowney, Gl Brennan, Ca Skjøth, The Pollergen Consortium, Et Al
Environmental Dna Reveals Links Between Abundance And Composition Of Airborne Grass Pollen And Respiratory Health, Fm Rowney, Gl Brennan, Ca Skjøth, The Pollergen Consortium, Et Al
School of Geography, Earth and Environmental Sciences
Grass (Poaceae) pollen is the most important outdoor aeroallergen,1 exacerbating a range of respiratory conditions, including allergic asthma and rhinitis ("hay fever").2-5 Understanding the relationships between respiratory diseases and airborne grass pollen with a view to improving forecasting has broad public health and socioeconomic relevance. It is estimated that there are over 400 million people with allergic rhinitis6 and over 300 million with asthma, globally,7 often comorbidly.8 In the UK, allergic asthma has an annual cost of around US$ 2.8 billion (2017).9 The relative contributions of the >11,000 (worldwide) grass species (C. Osborne et al., 2011, Botany Conference, abstract) to …
Microplastics In The Lut And Kavir Deserts, Iran, Sajjad Abbasi, Andrew Turner, Mohammad Hoseini, Hoda Amiri
Microplastics In The Lut And Kavir Deserts, Iran, Sajjad Abbasi, Andrew Turner, Mohammad Hoseini, Hoda Amiri
School of Geography, Earth and Environmental Sciences
Although microplastics (MPs) are ubiquitous environmental contaminants, little is known about their occurrence and behavior in the terrestrial setting. In this study, MPs have been isolated from soils collected from various geomorphological features (yardangs, sand dunes, moving sands, seasonal lakes) of the Kavir and Lut Deserts on the Iranian plateau. The number of MPs identified in 300 g samples ranged from zero (not detected) in several yardang tops to 25 on some yardang hillsides, with an overall average abundance of about 0.02 MP g–1. The majority of MPs were of a fibrous nature with a size distribution (≤100 μm to …
Towards A Greater Understanding Of The Psychosocial Impact Of The Symptoms Of Pituitary Conditions, Alyson Norman, Sue Jackson, Hannah Ferrario, Nena Percuklievska, Pat Mcbride
Towards A Greater Understanding Of The Psychosocial Impact Of The Symptoms Of Pituitary Conditions, Alyson Norman, Sue Jackson, Hannah Ferrario, Nena Percuklievska, Pat Mcbride
School of Psychology
No abstract provided.
Dataset For Paper Pair 'Soil Erosion And Sediment Transport In Tanzania', Maarten Wynants, Patrick Aloyce, Linus Munishi, Kelvin Mtei, Samuel Bodé, Alex Taylor, Geoffrey Millward, Neil Roberts, David Gilvear, Patrick Ndakidemi, Pascal Boeckx, Will Blake
Dataset For Paper Pair 'Soil Erosion And Sediment Transport In Tanzania', Maarten Wynants, Patrick Aloyce, Linus Munishi, Kelvin Mtei, Samuel Bodé, Alex Taylor, Geoffrey Millward, Neil Roberts, David Gilvear, Patrick Ndakidemi, Pascal Boeckx, Will Blake
Faculty of Science and Engineering Datasets
Soil resources in Tanzania are rapidly being depleted by increased rates of soil erosion and downstream sediment transport, threatening ecosystem health, water- and livelihood security in the region. However, a lack of understanding into the dynamics of soil erosion and sediment transport is undermining the mitigation of this type of soil degradation. By integrating geochemical and biochemical fingerprints in sediment source tracing techniques, this study demonstrated links between land use, soil erosion and downstream sediment transport in Tanzania. Such evidence can guide stakeholders and policy makers in targeted management interventions to safeguard future soil health and water quality. Data Description: …
Fluorosurfactant Retention In The Foam Blanket During Gravitational Drainage Of An Aqueous Film-Forming Foam, Hk Schofield, Dp Megson, J Da Costa, Et Al
Fluorosurfactant Retention In The Foam Blanket During Gravitational Drainage Of An Aqueous Film-Forming Foam, Hk Schofield, Dp Megson, J Da Costa, Et Al
School of Geography, Earth and Environmental Sciences
A model aqueous film-forming foam (AFFF) comprising a fluorocarbon surfactant (6:2 FTSaB), hydrocarbon surfactant, solvent, and water was deployed on a heptane fire with the gravimetrically-drained foam solution collected at regular time intervals and analysed for surfactant concentration. Foam drainage behaviour within the model foam system was non-linear for both control (no fire exposure) and fire-exposed tests, as would be expected. However, the concentration of fluorosurfactant within the drainage solution was initially lower, increasing with time. This suggests that the fluorosurfactants are retained within the foam blanket for longer than other constituents of the model foam. This is proposed to …
Effects Of Iron Dosing Used For Phosphorus Removal At Wastewater Treatment Works; Impacts On Forms Of Phosphorus Discharged And Secondary Effects On Concentrations And Fate Of Other Contaminants, S. D.W. Comber, M. J. Gardner, B. Ellor
Effects Of Iron Dosing Used For Phosphorus Removal At Wastewater Treatment Works; Impacts On Forms Of Phosphorus Discharged And Secondary Effects On Concentrations And Fate Of Other Contaminants, S. D.W. Comber, M. J. Gardner, B. Ellor
School of Geography, Earth and Environmental Sciences
No abstract provided.
The Architecture And Evolution Of Shallow Water Delta Mouth Bars: Examples From The Lower Cretaceous Of Spain, Matthew Watkinson, Grant Cole, Rhodri M. Jerrett
The Architecture And Evolution Of Shallow Water Delta Mouth Bars: Examples From The Lower Cretaceous Of Spain, Matthew Watkinson, Grant Cole, Rhodri M. Jerrett
School of Geography, Earth and Environmental Sciences
Improved understanding of delta mouth bar morphodynamics, and the resulting stratigraphic architectures, is important for predicting the loci of deposition of different sediment fractions, coastal geomorphic change and heterogeneity in mouth bar reservoirs. Facies and architectural analysis of exceptionally well-exposed shallow water (ca. 5 m depth) mouth bars and associated distributaries, from the Xert Formation (Lower Cretaceous), of the Maestrat Basin (east-central Spain), reveal that they grew via a succession of repeated autogenic cycles. The formation is part of a mixed clastic-carbonate succession deposited during a time of active faulting and incipient salt tectonism, but in an area away from …
Workshop Report: Exploring Deep Oceanic Crust Off Hawai‘I, S Umino, Gf Moore, B Boston, R Coggon, L Crispini, S D'Hondt, M Garcia, T Hanyu, F Klein, N Seama, D Teagle, M Tominaga, M Yamashita, M Harris, B Ildefonse, I Katayama, Y Kusano, E Trembath-Reichert, Y Yamada, N Abe, F Inagaki
Workshop Report: Exploring Deep Oceanic Crust Off Hawai‘I, S Umino, Gf Moore, B Boston, R Coggon, L Crispini, S D'Hondt, M Garcia, T Hanyu, F Klein, N Seama, D Teagle, M Tominaga, M Yamashita, M Harris, B Ildefonse, I Katayama, Y Kusano, E Trembath-Reichert, Y Yamada, N Abe, F Inagaki
School of Geography, Earth and Environmental Sciences
For more than half a century, exploring a complete sequence of the oceanic crust from the seafloor through the Mohorovičić discontinuity (Moho) and into the uppermost mantle has been one of the most challenging missions of scientific ocean drilling. Such a scientific and technological achievement would provide humankind with profound insights into the largest realm of our planet and expand our fundamental understanding of Earth's deep interior and its geodynamic behavior. The formation of new oceanic crust at mid-ocean ridges and its subsequent aging over millions of years, leading to subduction, arc volcanism, and recycling of some components into the …
Tectonic Geomorphology Of The Yatağan Fault (Muğla, Sw Turkey): Implications For Quantifying Vertical Slip Rates Along Active Normal Faults, Mehran Basmenji, T Sancar, A Dikbas, Sarah J. Boulton, Hs Akyuz
Tectonic Geomorphology Of The Yatağan Fault (Muğla, Sw Turkey): Implications For Quantifying Vertical Slip Rates Along Active Normal Faults, Mehran Basmenji, T Sancar, A Dikbas, Sarah J. Boulton, Hs Akyuz
School of Geography, Earth and Environmental Sciences
No abstract provided.
Uptake, Accumulation And Impact Of Antiretroviral And Antiviral Pharmaceutical Compounds In Lettuce, Preston Akenga, Antony Gachanja, Mark F. Fitzsimons, Alan Tappin, Sean Comber
Uptake, Accumulation And Impact Of Antiretroviral And Antiviral Pharmaceutical Compounds In Lettuce, Preston Akenga, Antony Gachanja, Mark F. Fitzsimons, Alan Tappin, Sean Comber
School of Geography, Earth and Environmental Sciences
No abstract provided.
Spatial Distribution Of Sediment Phosphorus In A Ramsar Wetland, Ry Crocker, William H. Blake, Thomas H. Hutchinson, Sean Comber
Spatial Distribution Of Sediment Phosphorus In A Ramsar Wetland, Ry Crocker, William H. Blake, Thomas H. Hutchinson, Sean Comber
School of Geography, Earth and Environmental Sciences
No abstract provided.
Mapping Past Human Land Use Using Archaeological Data: A New Classification For Global Land Use Synthesis And Data Harmonization, Kd Morrison, E Hammer, O Boles, Et Al
Mapping Past Human Land Use Using Archaeological Data: A New Classification For Global Land Use Synthesis And Data Harmonization, Kd Morrison, E Hammer, O Boles, Et Al
School of Geography, Earth and Environmental Sciences
In the 12,000 years preceding the Industrial Revolution, human activities led to significant changes in land cover, plant and animal distributions, surface hydrology, and biochemical cycles. Earth system models suggest that this anthropogenic land cover change influenced regional and global climate. However, the representation of past land use in earth system models is currently oversimplified. As a result, there are large uncertainties in the current understanding of the past and current state of the earth system. In order to improve representation of the variety and scale of impacts that past land use had on the earth system, a global effort …
Firewalls As A Resource For Resistance: Separating Border Policing From Social Service Provision In Sweden And The Uk, A Jolly, J Lind
Firewalls As A Resource For Resistance: Separating Border Policing From Social Service Provision In Sweden And The Uk, A Jolly, J Lind
School of Health Professions
Firewalls separate rights provision for undocumented migrants from the border policing of migration authorities. In this article, we compare how firewalls have been negotiated during recent years in Sweden and the UK. Firewalls have been partly strengthened in the UK as a result of the ‘Windrush scandal’. Simultaneously, firewalls have been increasingly contested in Sweden after the 2015 ‘long summer of migration’ as a result of continuously more repressive migration policies. On the basis of this detailed comparison, we argue that firewalls are a useful conceptual lens to understand migrant struggles and the development of migration policies. Moreover, we suggest …
Predicting The Severity Of The Grass Pollen Season And The Effect Of Climate Change In Northwest Europe, A Kurganskiy, S Creer, N De Vere, The Pollergen Consortium, Et Al
Predicting The Severity Of The Grass Pollen Season And The Effect Of Climate Change In Northwest Europe, A Kurganskiy, S Creer, N De Vere, The Pollergen Consortium, Et Al
School of Geography, Earth and Environmental Sciences
Hay fever patients can be helped in managing their symptoms by predicting the severity of the upcoming grass pollen seasons.
Winter Carnivory And Diapause Counteract The Reliance On Ice Algae By Barents Sea Zooplankton, Doreen Kohlbach, Katrin Schmidt, Haakon Hop, Anette Wold, Amalia Keck Al-Habahbeh, Simon T. Belt, Matthias Woll, Martin Graeve, Lukas Smik, Angus Atkinson, Philipp Assmy
Winter Carnivory And Diapause Counteract The Reliance On Ice Algae By Barents Sea Zooplankton, Doreen Kohlbach, Katrin Schmidt, Haakon Hop, Anette Wold, Amalia Keck Al-Habahbeh, Simon T. Belt, Matthias Woll, Martin Graeve, Lukas Smik, Angus Atkinson, Philipp Assmy
School of Geography, Earth and Environmental Sciences
jats:p>The Barents Sea is a hotspot for environmental change due to its rapid warming, and information on dietary preferences of zooplankton is crucial to better understand the impacts of these changes on food-web dynamics. We combined lipid-based trophic marker approaches, namely analysis of fatty acids (FAs), highly branched isoprenoids (HBIs) and sterols, to compare late summer (August) and early winter (November/December) feeding of key Barents Sea zooplankters; the copepods Calanus glacialis, C. hyperboreus and C. finmarchicus and the amphipods Themisto libellula and T. abyssorum. Based on FAs, copepods showed a stronger reliance on a diatom-based diet. Phytosterols, produced mainly …
Eukaryotic Community Composition In The Sea Surface Microlayer Across An East–West Transect In The Mediterranean Sea, Birthe Zäncker, Michael Cunliffe, Anja Engel
Eukaryotic Community Composition In The Sea Surface Microlayer Across An East–West Transect In The Mediterranean Sea, Birthe Zäncker, Michael Cunliffe, Anja Engel
School of Biological and Marine Sciences
Abstract. The sea surface microlayer (SML) represents the boundary layer at the air–sea interface. Microbial eukaryotes in the SML potentially influence air–sea gas exchange directly by taking up and producing gases and indirectly by excreting and degrading organic matter, which may modify the viscoelastic properties of the SML. However, little is known about the distribution of microbial eukaryotes in the SML. We studied the composition of the microbial community, transparent exopolymer particles and polysaccharides in the SML during the PEACETIME cruise along a west–east transect in the Mediterranean Sea, covering the western basin, Tyrrhenian Sea and Ionian Sea. At the …
The Earthquake Cycle In The Dry Lower Continental Crust: Insights From Two Deeply Exhumed Terranes (Musgrave Ranges, Australia And Lofoten, Norway), L Menegon, L Campbell, N Mancktelow, A Camacho, Et Al
The Earthquake Cycle In The Dry Lower Continental Crust: Insights From Two Deeply Exhumed Terranes (Musgrave Ranges, Australia And Lofoten, Norway), L Menegon, L Campbell, N Mancktelow, A Camacho, Et Al
School of Geography, Earth and Environmental Sciences
This paper discusses the results of field-based geological investigations of exhumed rocks exposed in the Musgrave Ranges (Central Australia) and in Nusfjord (Lofoten, Norway) that preserve evidence for lower continental crustal earthquakes with focal depths of approximately 25–40 km. These studies have established that deformation of the dry lower continental crust is characterized by a cyclic interplay between viscous creep (mylonitization) and brittle, seismic slip associated with the formation of pseudotachylytes (a solidified melt produced during seismic slip along a fault in silicate rocks). Seismic slip triggers rheological weakening and a transition to viscous creep, which may be already active …
The Characteristics Of Atmospheric Particles And Metal Elements During Winter In Beijing: Size Distribution, Source Analysis, And Environmental Risk Assessment, Minkang Zhi, X Zhang, K Zhang, Simon J. Ussher, Wenli Lv, Jie Li, Jian Gao, Yuqian Luo, Fan Meng
The Characteristics Of Atmospheric Particles And Metal Elements During Winter In Beijing: Size Distribution, Source Analysis, And Environmental Risk Assessment, Minkang Zhi, X Zhang, K Zhang, Simon J. Ussher, Wenli Lv, Jie Li, Jian Gao, Yuqian Luo, Fan Meng
School of Geography, Earth and Environmental Sciences
In order to investigate the pollution characteristics of size-segregated particles and metal elements (MEs) after the Chinese Air Pollution Prevention Action Plan was released in 2013, an intensive field campaign was conducted in the suburban area of Chaoyang District, Beijing in winter 2016. The size distributions of particle mass concentrations were bimodal, with the first peak in the fine fraction (0.4–2.1 µm) and the second peak in the coarse fraction (3.3–5.8 µm). Moreover, the proportion of fine particles increased and the proportion of coarse particles decreased as the pollution level was more elevated. It was found that the composition of …