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The Winchcombe Meteorite, A Unique And Pristine Witness From The Outer Solar System, Aj King, L Daly, J Rowe, Et Al Nov 2022

The Winchcombe Meteorite, A Unique And Pristine Witness From The Outer Solar System, Aj King, L Daly, J Rowe, Et Al

School of Geography, Earth and Environmental Sciences

Direct links between carbonaceous chondrites and their parent bodies in the solar system are rare. The Winchcombe meteorite is the most accurately recorded carbonaceous chondrite fall. Its pre-atmospheric orbit and cosmic-ray exposure age confirm that it arrived on Earth shortly after ejection from a primitive asteroid. Recovered only hours after falling, the composition of the Winchcombe meteorite is largely unmodified by the terrestrial environment. It contains abundant hydrated silicates formed during fluid-rock reactions, and carbon- and nitrogen-bearing organic matter including soluble protein amino acids. The near-pristine hydrogen isotopic composition of the Winchcombe meteorite is comparable to the terrestrial hydrosphere, providing …


Visualisation Of Exhaled Breath Metabolites Reveals Distinct Diagnostic Signatures For Acute Cardiorespiratory Breathlessness, Michael J. Wilde, Wadah Ibrahim, Rebecca L. Cordell, Matthew Richardson, Robert C. Free, Bo Zhao, Amisha Singapuri, Beverley Hargadon, Erol A. Gaillard, Toru Suzuki, Leong L. Ng, Tim Coats, Paul Thomas, Paul S. Monks, Christopher E. Brightling, Neil J. Greening, Salman Siddiqui Nov 2022

Visualisation Of Exhaled Breath Metabolites Reveals Distinct Diagnostic Signatures For Acute Cardiorespiratory Breathlessness, Michael J. Wilde, Wadah Ibrahim, Rebecca L. Cordell, Matthew Richardson, Robert C. Free, Bo Zhao, Amisha Singapuri, Beverley Hargadon, Erol A. Gaillard, Toru Suzuki, Leong L. Ng, Tim Coats, Paul Thomas, Paul S. Monks, Christopher E. Brightling, Neil J. Greening, Salman Siddiqui

School of Geography, Earth and Environmental Sciences

Acute cardiorespiratory breathlessness accounts for one in eight of all emergency hospitalizations. Early, noninvasive diagnostic testing is a clinical priority that allows rapid triage and treatment. Here, we sought to find and replicate diagnostic breath volatile organic compound (VOC) biomarkers of acute cardiorespiratory disease and understand breath metabolite network enrichment in acute disease, with a view to gaining mechanistic insight of breath biochemical derangements. We collected and analyzed exhaled breath samples from 277 participants presenting acute cardiorespiratory exacerbations and aged-matched healthy volunteers. Topological data analysis phenotypes differentiated acute disease from health and acute cardiorespiratory exacerbation subtypes (acute heart failure, acute …


Hazardous Chemical Elements In Cleaning Cloths, A Potential Source Of Microfibres, Montserrat Filella, Johanna Brazard, Takuji B.M. Adachi, Andrew Turner Nov 2022

Hazardous Chemical Elements In Cleaning Cloths, A Potential Source Of Microfibres, Montserrat Filella, Johanna Brazard, Takuji B.M. Adachi, Andrew Turner

School of Geography, Earth and Environmental Sciences

No abstract provided.


Microfibers: Environmental Problems And Textile Solutions, Js Weis, Francesca De Falco Nov 2022

Microfibers: Environmental Problems And Textile Solutions, Js Weis, Francesca De Falco

School of Geography, Earth and Environmental Sciences

Microplastics have become a topic of considerable concern and intensive study over the past decade. They have been found everywhere in the oceans, including the deepest trenches and remotest parts of the Arctic. They are ingested by many animals and some are incorporated into tissues. There is considerable effort in studying what effects they have on marine life. It has become clear that when water samples are collected in ways that prevent most long thin particles from escaping through pores of a net, the most abundant type of microplastics found in water and sediments are microfibers (fibers with dimensions less …


Out Of Phase Quaternary Uplift-Rate Changes Reveal Normal Fault Interaction, Implied By Deformed Marine Palaeoshorelines, M. Meschis, G. P. Roberts, J. Robertson, Z. K. Mildon, D. Sahy, R. Goswami, C. Sgambato, J. Faure Walker, A. M. Michetti, F. Iezzi Nov 2022

Out Of Phase Quaternary Uplift-Rate Changes Reveal Normal Fault Interaction, Implied By Deformed Marine Palaeoshorelines, M. Meschis, G. P. Roberts, J. Robertson, Z. K. Mildon, D. Sahy, R. Goswami, C. Sgambato, J. Faure Walker, A. M. Michetti, F. Iezzi

School of Geography, Earth and Environmental Sciences

We have mapped and constrained the timing of tectonically deformed uplifted Late Quaternary palaeoshorelines in the Messina Strait, southern Italy, an area above a subduction zone containing active normal faults. The palaeoshorelines are preserved from up to thirteen Late Quaternary sea-level highstands, providing a record of the deformation over this timescale (~500 ka) for the Messina-Taormina Fault, the Reggio Calabria Fault and the Armo Fault. The palaeoshorelines reveal spatial patterns of uplift through time along the strike of these normal faults, and, given the across strike arrangement of the faults, also reveal how the contribution of each fault to the …


Assessing The Impact Of Wastewater Treatment Works Effluent On Downstream Water Quality, S. D.W. Comber, M. J. Gardner, L. Ansell, B. Ellor Nov 2022

Assessing The Impact Of Wastewater Treatment Works Effluent On Downstream Water Quality, S. D.W. Comber, M. J. Gardner, L. Ansell, B. Ellor

School of Geography, Earth and Environmental Sciences

No abstract provided.


Incorporating Conceptual Site Models Into National-Scale Environmental Risk Assessments For Legacy Waste In The Coastal Zone, Alex L. Riley, Jaime Amezaga, Ian T. Burke, Patrick Byrne, Nick Cooper, Richard A. Crane, Sean D.W. Comber, Catherine J. Gandy, Karen A. Hudson-Edwards, Elin Jennings, Elizabeth Lewis, Stephen Lofts, John M. Macdonald, Heath Malcolm, William M. Mayes, Patrizia Onnis, Justyna Olszewska, Bryan Spears, Adam P. Jarvis Oct 2022

Incorporating Conceptual Site Models Into National-Scale Environmental Risk Assessments For Legacy Waste In The Coastal Zone, Alex L. Riley, Jaime Amezaga, Ian T. Burke, Patrick Byrne, Nick Cooper, Richard A. Crane, Sean D.W. Comber, Catherine J. Gandy, Karen A. Hudson-Edwards, Elin Jennings, Elizabeth Lewis, Stephen Lofts, John M. Macdonald, Heath Malcolm, William M. Mayes, Patrizia Onnis, Justyna Olszewska, Bryan Spears, Adam P. Jarvis

School of Geography, Earth and Environmental Sciences

Solid wastes deposited in the coastal zone that date from an era of lax environmental regulations continue to pose significant challenges for regulators and coastal managers worldwide. The increasing risk of contaminant release from these legacy disposal sites, due to a range of factors including rising sea levels, associated saline intrusion, and greater hydrological extremes, have been highlighted by many researchers. Given this widespread challenge, and the often-limited remedial funds available, there is a pressing need for the development of new advanced site prioritization protocols to limit potential pollution risks to sensitive ecological or human receptors. This paper presents a …


Disturbances In North American Boreal Forest And Arctic Tundra: Impacts, Interactions, And Responses, Adrianna C. Foster, Jonathan A. Wang, Gerald V. Frost, Scott J. Davidson, Elizabeth Hoy, Kevin W. Turner, Oliver Sonnentag, Howard Epstein, Logan T. Berner, Amanda H. Armstrong, Mary Kang, Brendan M. Rogers, Elizabeth Campbell, Kimberley R. Miner, Kathleen M. Orndahl, Laura L. Bourgeau-Chavez, David A. Lutz, Nancy French, Dong Chen, Jinyang Du, Tatiana A. Shestakova, Jacquelyn K. Shuman, Ken Tape, Anna Maria Virkkala, Christopher Potter, Scott Goetz Oct 2022

Disturbances In North American Boreal Forest And Arctic Tundra: Impacts, Interactions, And Responses, Adrianna C. Foster, Jonathan A. Wang, Gerald V. Frost, Scott J. Davidson, Elizabeth Hoy, Kevin W. Turner, Oliver Sonnentag, Howard Epstein, Logan T. Berner, Amanda H. Armstrong, Mary Kang, Brendan M. Rogers, Elizabeth Campbell, Kimberley R. Miner, Kathleen M. Orndahl, Laura L. Bourgeau-Chavez, David A. Lutz, Nancy French, Dong Chen, Jinyang Du, Tatiana A. Shestakova, Jacquelyn K. Shuman, Ken Tape, Anna Maria Virkkala, Christopher Potter, Scott Goetz

School of Geography, Earth and Environmental Sciences

Abstract Ecosystems in the North American Arctic-Boreal Zone (ABZ) experience a diverse set of disturbances associated with wildfire, permafrost dynamics, geomorphic processes, insect outbreaks and pathogens, extreme weather events, and human activity. Climate warming in the ABZ is occurring at over twice the rate of the global average, and as a result the extent, frequency, and severity of these disturbances are increasing rapidly. Disturbances in the ABZ span a wide gradient of spatiotemporal scales and have varying impacts on ecosystem properties and function. However, many ABZ disturbances are relatively understudied and have different sensitivities to climate and trajectories of recovery, …


Timing Of Tectonic And Magmatic Events In The Philippine Sea Plate Since 50 Ma From High‐Resolution Magnetostratigraphy Of Iodp Site U1438, M Maffione, A Morris Oct 2022

Timing Of Tectonic And Magmatic Events In The Philippine Sea Plate Since 50 Ma From High‐Resolution Magnetostratigraphy Of Iodp Site U1438, M Maffione, A Morris

School of Geography, Earth and Environmental Sciences

No abstract provided.


The Influence Of Creeping Slope Failure On Turbidity Current Behaviour, Ashley J.M. Ayckbourne, Rhodri M. Jerrett, M Poyatos‐Moré, Matthew P. Watkinson, Ian A. Kane, Kevin G. Taylor Oct 2022

The Influence Of Creeping Slope Failure On Turbidity Current Behaviour, Ashley J.M. Ayckbourne, Rhodri M. Jerrett, M Poyatos‐Moré, Matthew P. Watkinson, Ian A. Kane, Kevin G. Taylor

School of Geography, Earth and Environmental Sciences

No abstract provided.


Editorial: Plastics In The Environment: Understanding Impacts And Identifying Solutions, Volume Ii, Montserrat Filella, Andrew Turner, John Scott Oct 2022

Editorial: Plastics In The Environment: Understanding Impacts And Identifying Solutions, Volume Ii, Montserrat Filella, Andrew Turner, John Scott

School of Geography, Earth and Environmental Sciences

Our first collection of Frontiers articles highlighted the broad diversity of environmental problems caused by the mismanagement of plastics in different settings, and the many challenges that scientists, managers, regulators and stakeholders face in addressing these problems (Filella et al., 2021). This, second series essentially deals with plastics in soils and the degradation of plastic (and in particular, expanded polystyrene). Improving the circularity and management of plastics in soils requires an understanding of their presence, impacts and degradation pathways.


Post-Rift Geomorphological Evolution Of A Passive Continental Margin (Paraíba Region, Northeastern Brazil): Insights From River Profile And Drainage Divide Analysis, Fabio Corrêa Alves, Martin Stokes, Sarah J. Boulton, Fátima Rossetti D De, Morisson Valeriano M De Oct 2022

Post-Rift Geomorphological Evolution Of A Passive Continental Margin (Paraíba Region, Northeastern Brazil): Insights From River Profile And Drainage Divide Analysis, Fabio Corrêa Alves, Martin Stokes, Sarah J. Boulton, Fátima Rossetti D De, Morisson Valeriano M De

School of Geography, Earth and Environmental Sciences

The post-rift erosional history of elevated passive continental margins (EPCMs) has been considered of low-rate tectonics across many regions worldwide. However, research in the northeastern Brazilian passive continental margin suggests variations in the post-rift tectonic styles, timing and rates. This is especially the case of the Paraíba region, where there are reports of uplift affecting Quaternary strata. However, transient fluvial features potentially developed during this event remain to be investigated. In this study, we document transient responses of a fluvial landscape promoted by variations in Quaternary tectonic uplift in the Paraíba region, where outcrops are scarce. The aim was to …


Constraining A Model Of Punctuated River Incision For Quaternary Strath Terrace Formation, Jesse R. Zondervan, Martin Stokes, Matt W. Telfer, Sarah J. Boulton, Anne E. Mather, Jan Pieter Buylaert, Mayank Jain, Andrew S. Murray, Mhamed A. Belfoul Oct 2022

Constraining A Model Of Punctuated River Incision For Quaternary Strath Terrace Formation, Jesse R. Zondervan, Martin Stokes, Matt W. Telfer, Sarah J. Boulton, Anne E. Mather, Jan Pieter Buylaert, Mayank Jain, Andrew S. Murray, Mhamed A. Belfoul

School of Geography, Earth and Environmental Sciences

In the small fraction of Earth's surface with the highest erosion rates such as the Alps and Himalayas quantifying rates of incision, rock uplift and inferring climatic controls on the landscape can be relatively straightforward once the ages of river terraces cut in bedrock (strath terraces) are constrained. However, in many mid to lower relief settings that are more typical of mountain belts worldwide, periods of net river incision and riverbed lowering are relatively short (punctuated), interrupted by long periods of sediment aggradation or stasis. We define a conceptual model of punctuated river incision and strath terrace formation for the …


Remote Sensing Of Boat Abandonment Using Google Earth, Millicent R. Payne, Andrew Turner Sep 2022

Remote Sensing Of Boat Abandonment Using Google Earth, Millicent R. Payne, Andrew Turner

School of Geography, Earth and Environmental Sciences

Abandoned boats represent a pervasive and growing problem in the coastal zone that has received little regulatory or scientific attention. In this study, we show how Google Earth can be employed to remotely identify abandoned boats and provide information on their size, age and condition. Based on specified criteria for abandonment, a survey of southern England (1700 km in length) revealed the presence of 266 boats that were mainly located in the intertidal zones of estuaries and inlets and that were often contained within clusters. Boat length ranged from 2.6 to 60 m (median = 10.5 m), and since 2004 …


Anthropogenic Contaminants In Glacial Environments Ii: Release And Downstream Consequences, Dylan B. Beard, Caroline C. Clason, Sally Rangecroft, Ewa Poniecka, Kim J. Ward, Will H. Blake Sep 2022

Anthropogenic Contaminants In Glacial Environments Ii: Release And Downstream Consequences, Dylan B. Beard, Caroline C. Clason, Sally Rangecroft, Ewa Poniecka, Kim J. Ward, Will H. Blake

School of Geography, Earth and Environmental Sciences

Anthropogenic contamination has been detected in glacial and proglacial environments around the globe. Through mechanisms of secondary release, these contaminants are finding their way into glacial hydrological systems and downstream environments, with potential to impact hundreds of millions of people who rely on glacial meltwater for water, food and energy security worldwide. The first part of our progress report outlined the sources and accumulation mechanisms of contaminants in glacial environments (Part I: Inputs and accumulation). Here we assess processes of contaminant release, pathways to downstream environments, and socio-environmental consequences. We reflect on the potential impacts these contaminants could have for …


Ecological Consequences Of Historic Moorland ‘Improvement’, Francis M. Rowney, Ralph M. Fyfe, Philip Anderson, Robert Barnett, William Blake, Tim Daley, Katie Head, Alison Macleod, Ian Matthews, David N. Smith Sep 2022

Ecological Consequences Of Historic Moorland ‘Improvement’, Francis M. Rowney, Ralph M. Fyfe, Philip Anderson, Robert Barnett, William Blake, Tim Daley, Katie Head, Alison Macleod, Ian Matthews, David N. Smith

School of Geography, Earth and Environmental Sciences

No abstract provided.


Sequential Lonsdaleite To Diamond Formation In Ureilite Meteorites Via In Situ Chemical Fluid/Vapor Deposition, Andrew G. Tomkins, Nicholas C. Wilson, Colin Macrae, Alan Salek, Matthew R. Field, Helen E.A. Brand, Andrew D. Langendam, Natasha R. Stephen, Aaron Torpy, Zsanett Pintér, Lauren A. Jennings, Dougal G. Mcculloch Sep 2022

Sequential Lonsdaleite To Diamond Formation In Ureilite Meteorites Via In Situ Chemical Fluid/Vapor Deposition, Andrew G. Tomkins, Nicholas C. Wilson, Colin Macrae, Alan Salek, Matthew R. Field, Helen E.A. Brand, Andrew D. Langendam, Natasha R. Stephen, Aaron Torpy, Zsanett Pintér, Lauren A. Jennings, Dougal G. Mcculloch

School of Geography, Earth and Environmental Sciences

Ureilite meteorites are arguably our only large suite of samples from the mantle of a dwarf planet and typically contain greater abundances of diamond than any known rock. Some also contain lonsdaleite, which may be harder than diamond. Here, we use electron microscopy to map the relative distribution of coexisting lonsdaleite, diamond, and graphite in ureilites. These maps show that lonsdaleite tends to occur as polycrystalline grains, sometimes with distinctive fold morphologies, partially replaced by diamond + graphite in rims and cross-cutting veins. These observations provide strong evidence for how the carbon phases formed in ureilites, which, despite much conjecture …


Integration Of Remote Sensing And Offshore Geophysical Data For Monitoring The Short-Term Morphological Evolution Of An Active Volcanic Flank: A Case Study From Stromboli Island, Daniele Casalbore, Traglia F Di, Claudia Romagnoli, Massimiliano Favalli, Teresa Gracchi, Stefanelli C Tacconi, Teresa Nolesini, Guglielmo Rossi, Soldato M Del, Irene Manzella, Paul Cole, Nicola Casagli, Francesco Latino Chiocci Sep 2022

Integration Of Remote Sensing And Offshore Geophysical Data For Monitoring The Short-Term Morphological Evolution Of An Active Volcanic Flank: A Case Study From Stromboli Island, Daniele Casalbore, Traglia F Di, Claudia Romagnoli, Massimiliano Favalli, Teresa Gracchi, Stefanelli C Tacconi, Teresa Nolesini, Guglielmo Rossi, Soldato M Del, Irene Manzella, Paul Cole, Nicola Casagli, Francesco Latino Chiocci

School of Geography, Earth and Environmental Sciences

The Sciara del Fuoco (SdF) collapse scar at Stromboli is an active volcanic area affected by rapid morphological changes due to explosive/effusive eruptions and mass-wasting processes. The aim of this paper is to demonstrate the importance of an integrated analysis of multi-temporal remote sensing (photogrammetry, COSMO-SkyMed Synthetic Aperture Radar amplitude image) and marine geophysical data (multibeam and side scan sonar data) to characterize the main morphological, textural, and volumetric changes that occurred along the SdF slope in the 2020–2021 period. The analysis showed the marked erosive potential of the 19 May 2021 pyroclastic density current generated by a crater rim …


Sequential Lonsdaleite To Diamond Formation In Ureilite Meteorites Via In Situ Chemical Fluid/Vapor Deposition, Ag Tomkins, Nc Wilson, C Macrae, A Salek, Et Al Sep 2022

Sequential Lonsdaleite To Diamond Formation In Ureilite Meteorites Via In Situ Chemical Fluid/Vapor Deposition, Ag Tomkins, Nc Wilson, C Macrae, A Salek, Et Al

School of Geography, Earth and Environmental Sciences

Ureilite meteorites are arguably our only large suite of samples from the mantle of a dwarf planet and typically contain greater abundances of diamond than any known rock. Some also contain lonsdaleite, which may be harder than diamond. Here, we use electron microscopy to map the relative distribution of coexisting lonsdaleite, diamond, and graphite in ureilites. These maps show that lonsdaleite tends to occur as polycrystalline grains, sometimes with distinctive fold morphologies, partially replaced by diamond + graphite in rims and cross-cutting veins. These observations provide strong evidence for how the carbon phases formed in ureilites, which, despite much conjecture …


Microplastics In Agricultural Soils From A Semi-Arid Region And Their Transport By Wind Erosion, Mahrooz Rezaei, Sajjad Abbasi, Haniye Pourmahmood, Patryk Oleszczuk, Coen Ritsema, Andrew Turner Sep 2022

Microplastics In Agricultural Soils From A Semi-Arid Region And Their Transport By Wind Erosion, Mahrooz Rezaei, Sajjad Abbasi, Haniye Pourmahmood, Patryk Oleszczuk, Coen Ritsema, Andrew Turner

School of Geography, Earth and Environmental Sciences

Despite the importance of agricultural soils, little is known about the fate of microplastics (MPs) in this environment. In the present study, MPs have been determined in soils and wind-eroded sediments from two vegetable-growing fields in the Fars province of Iran, one using plastic mulch for water retention (Field 1) and the other using wastewater for irrigation (Field 2). MPs were heterogeneously distributed in the surface (0–5 cm) and subsurface (5–15 cm) soils of both fields, with a maximum concentration overall of about 1.1 MP g−1 and no significant differences in concentrations between either fields or depths. Fibres represented the …


Towards The Geographies Of Loneliness: Interpreting The Spaces Of Loneliness In Farming Contexts, Mark Holton, Mark Riley, Gina Kallis Aug 2022

Towards The Geographies Of Loneliness: Interpreting The Spaces Of Loneliness In Farming Contexts, Mark Holton, Mark Riley, Gina Kallis

School of Geography, Earth and Environmental Sciences

No abstract provided.


Soils, Science And Community Action (Soilscan): A Citizen Science Tool To Empower Community-Led Land Management Change In East Africa, C Kelly, M Wynants, A Patrick, A Taylor, F Mkilema, M Nasseri, S Lewin, L Munishi, K Mtei, P Ndakidemi, W Blake Aug 2022

Soils, Science And Community Action (Soilscan): A Citizen Science Tool To Empower Community-Led Land Management Change In East Africa, C Kelly, M Wynants, A Patrick, A Taylor, F Mkilema, M Nasseri, S Lewin, L Munishi, K Mtei, P Ndakidemi, W Blake

School of Geography, Earth and Environmental Sciences

Pastoralist communities worldwide face complex challenges regarding food and feed productivity. Primary production systems are under stress, nutritional choices are changing and the relationship between development and agriculture is undergoing profound transformation. Under increasing pressure from climate and land use change, East African agro-pastoral systems are approaching a tipping point in terms of land degradation. There is an urgent need for evidence-led sustainable land management interventions to reverse degradation of natural resources that support food and water security. A key barrier, however, is a lack of high spatial resolution soil health data wherein collecting such information for each individual community …


Payment For Ecosystem Services In Peru: Assessing The Socio-Ecological Dimension Of Water Services In The Upper Santa River Basin, Rm Dextre, Ml Eschenhagen, M Camacho Hernández, S Rangecroft, Et Al Aug 2022

Payment For Ecosystem Services In Peru: Assessing The Socio-Ecological Dimension Of Water Services In The Upper Santa River Basin, Rm Dextre, Ml Eschenhagen, M Camacho Hernández, S Rangecroft, Et Al

School of Geography, Earth and Environmental Sciences

Increasing pressures on ecosystems in the Latin American region, as well as the adoption of multilateral conservation commitments, have led to the implementation of instruments that are economic in nature but oriented towards the recovery, conservation, and functioning of ecosystems such as Payment for Ecosystem Services (PES). In the Peruvian Andes, hydro-climatic factors and land-use changes are affecting the capacity of the ecosystems of the glaciated Cordillera Blanca to provide water services, in terms of both quality and quantity, to the main users of the Santa River basin. Thus, this study analyses how the socio-ecological interactions affect, and are affected …


Summary Of Data From The Ukwir Chemical Investigations Programme And A Comparison Of Data From The Past Ten Years' Monitoring Of Effluent Quality, M. J. Gardner, S. D.W. Comber, B. Ellor Aug 2022

Summary Of Data From The Ukwir Chemical Investigations Programme And A Comparison Of Data From The Past Ten Years' Monitoring Of Effluent Quality, M. J. Gardner, S. D.W. Comber, B. Ellor

School of Geography, Earth and Environmental Sciences

No abstract provided.


Distribution And Transport Of Microplastics In Groundwater (Shiraz Aquifer, Southwest Iran), Atefeh Esfandiari, Sajjad Abbasi, Ahmad Behrouj Peely, Dariush Mowla, Mohammad Ali Ghanbarian, Patryk Oleszczuk, Andrew Turner Jul 2022

Distribution And Transport Of Microplastics In Groundwater (Shiraz Aquifer, Southwest Iran), Atefeh Esfandiari, Sajjad Abbasi, Ahmad Behrouj Peely, Dariush Mowla, Mohammad Ali Ghanbarian, Patryk Oleszczuk, Andrew Turner

School of Geography, Earth and Environmental Sciences

Despite the significance of groundwater to the hydrological cycle and as a source of potable water, very little information exists on microplastics (MPs) in this environment. In the present study, MPs have been determined in ten well samples obtained from an alluvial aquifer in a semi-arid region (Shiraz, Iran) following filtration, digestion and inspection under a binocular microscope. A total of 96 MPs were identified, and concentrations ranged from 0.1 to 1.3 MP L−1 (mean and median = 0.48 and 0.43 MP L−1, respectively) and exhibited a complex distribution across the area that reflected differences in land use and local …


An Integrated Analysis And Comparison Of Serum, Saliva And Sebum For Covid-19 Metabolomics, Matt Spick, Holly May Lewis, Cecile F. Frampas, Katie Longman, Catia Costa, Alexander Stewart, Deborah Dunn-Walters, Danni Greener, George Evetts, Michael J. Wilde, Eleanor Sinclair, Perdita E. Barran, Debra J. Skene, Melanie J. Bailey Jul 2022

An Integrated Analysis And Comparison Of Serum, Saliva And Sebum For Covid-19 Metabolomics, Matt Spick, Holly May Lewis, Cecile F. Frampas, Katie Longman, Catia Costa, Alexander Stewart, Deborah Dunn-Walters, Danni Greener, George Evetts, Michael J. Wilde, Eleanor Sinclair, Perdita E. Barran, Debra J. Skene, Melanie J. Bailey

School of Geography, Earth and Environmental Sciences

AbstractThe majority of metabolomics studies to date have utilised blood serum or plasma, biofluids that do not necessarily address the full range of patient pathologies. Here, correlations between serum metabolites, salivary metabolites and sebum lipids are studied for the first time. 83 COVID-19 positive and negative hospitalised participants provided blood serum alongside saliva and sebum samples for analysis by liquid chromatography mass spectrometry. Widespread alterations to serum-sebum lipid relationships were observed in COVID-19 positive participants versus negative controls. There was also a marked correlation between sebum lipids and the immunostimulatory hormone dehydroepiandrosterone sulphate in the COVID-19 positive cohort. The biofluids …


Lithology, Rock Strength And Fracture Controls On Fluvial Erodibility, Jesse Zondervan, Martin Stokes, Sarah J Boulton, Matt W Telfer, Anne E Mather Jun 2022

Lithology, Rock Strength And Fracture Controls On Fluvial Erodibility, Jesse Zondervan, Martin Stokes, Sarah J Boulton, Matt W Telfer, Anne E Mather

School of Geography, Earth and Environmental Sciences

Lithology and its influence on rock mass strength exert a first order control on landscape evolution by affecting the ability of rivers to erode into bedrock, determined by fluvial erodibility. However, fractures complicate the relationship between rock strength and erodibility, as tectonic history affects erodibility through its control on fracture development. Here, we assess the extent to which lithology controls fluvial erodibility through its control on rock strength in the High Atlas Mountains, where the geological age of bedrock and the associated duration of tectonic history in the mountain belt increases from east to west. In this setting bedrock contains …


Sources, Concentrations, Distributions, Fluxes And Fate Of Microplastics In A Hypersaline Lake: Maharloo, South-West Iran, Sajjad Abbasi, Andrew Turner Jun 2022

Sources, Concentrations, Distributions, Fluxes And Fate Of Microplastics In A Hypersaline Lake: Maharloo, South-West Iran, Sajjad Abbasi, Andrew Turner

School of Geography, Earth and Environmental Sciences

Hypersaline lakes support unique ecosystems and biogeochemistries but are often subject to anthropogenic pressures from pollution, water abstraction-diversion and climate change. Less understood, however, are the inputs, distributions and impacts of microplastics (MPs) in hypersaline environments. In this study, MPs are determined in water and sediment cores of Maharloo Lake, south-west Iran, and in the anthropogenically-impacted rivers that recharge the lake. MP concentrations in river water ranged from 0.05 MP L-1 in the headwaters to about 2 MP L-1 downstream of industrial effluents, with intermediate (but elevated) concentrations observed in the lake. The maximum surface concentration in lake sediment cores …


Exploring Local Perceptions Of Water Quality In The Upper Santa River, Peru, Sally Rangecroft, Rosa Maria Dextre, Isabel Richter, Claire Kelly, Beatriz Fuentealba, Claudia V. Grados Bueno, Mirtha Camacho Hernandez, Sergio Morera, John Martin, John Adam Guy, Caroline Clason May 2022

Exploring Local Perceptions Of Water Quality In The Upper Santa River, Peru, Sally Rangecroft, Rosa Maria Dextre, Isabel Richter, Claire Kelly, Beatriz Fuentealba, Claudia V. Grados Bueno, Mirtha Camacho Hernandez, Sergio Morera, John Martin, John Adam Guy, Caroline Clason

School of Geography, Earth and Environmental Sciences

Water quality is an integral part of water security, but water quality itself is complex, due to its multifaceted nature. Measuring the physico-chemical indicators for water quality (e.g. pH, turbidity, heavy metal content) can provide an objective picture of water health, but it does not provide information on how it integrates and expresses the human perspective. Perceptual information and local ecological knowledge on water quality can help to understand the usability of water and support better conservation strategies. Therefore, the aims of the Nuestro Rio project were to investigate local perceptions of water quality in the upper Santa River basin, …


The People Between The Moors: Community And Continuity In A Changing World, C Kelly, M Cowburn, S Mccormack May 2022

The People Between The Moors: Community And Continuity In A Changing World, C Kelly, M Cowburn, S Mccormack

School of Geography, Earth and Environmental Sciences

No abstract provided.