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Articles 2551 - 2580 of 2981
Full-Text Articles in Entire DC Network
Parameterization Of Pharmaceutical Emissions And Removal Rates For Use In Uk Predictive Exposure Models: Steroid Estrogens As A Case Study, Jd Heffley, Sdw Comber, Bw Wheeler, Ch Redshaw
Parameterization Of Pharmaceutical Emissions And Removal Rates For Use In Uk Predictive Exposure Models: Steroid Estrogens As A Case Study, Jd Heffley, Sdw Comber, Bw Wheeler, Ch Redshaw
School of Geography, Earth and Environmental Sciences
Using local population characteristics and prescription data to predict pharmaceutical concentrations in sewage influent and effluent.
Parameterization Of Pharmaceutical Emissions And Removal Rates For Use In Uk Predictive Exposure Models: Steroid Estrogens As A Case Study., J. D. Heffley, S. D.W. Comber, B. W. Wheeler, C. H. Redshaw
Parameterization Of Pharmaceutical Emissions And Removal Rates For Use In Uk Predictive Exposure Models: Steroid Estrogens As A Case Study., J. D. Heffley, S. D.W. Comber, B. W. Wheeler, C. H. Redshaw
School of Geography, Earth and Environmental Sciences
Newly available prescription data has been used along with census data to develop a localised method for predicting pharmaceutical concentrations in sewage influent and effluent for England, and applied to a case study: the steroid estrogens estrone, 17β-estradiol, and 17α-ethinylestradiol in a selected catchment. The prescription data allows calculation of the mass consumed of synthetic estrogens, while use of highly localised census data improves predictions of naturally excreted estrogens by accounting for regional variations in population demographics. This serves two key purposes; to increase the accuracy of predictions in general, and to call attention to the need for more accurate …
Distributed And Dynamic Modelling Of Hydrology, Phosphorus And Ecology In The Hampshire Avon And Blashford Lakes: Evaluating Alternative Strategies To Meet Wfd Standards, P. G. Whitehead, L. Jin, J. Crossman, S. Comber, P. J. Johnes, P. Daldorph, N. Flynn, A. L. Collins, D. Butterfield, R. Mistry, R. Bardon, L. Pope, R. Willows
Distributed And Dynamic Modelling Of Hydrology, Phosphorus And Ecology In The Hampshire Avon And Blashford Lakes: Evaluating Alternative Strategies To Meet Wfd Standards, P. G. Whitehead, L. Jin, J. Crossman, S. Comber, P. J. Johnes, P. Daldorph, N. Flynn, A. L. Collins, D. Butterfield, R. Mistry, R. Bardon, L. Pope, R. Willows
School of Geography, Earth and Environmental Sciences
No abstract provided.
Industry Engagement With Tourism And Hospitality Education: An Examination Of The Students’ Perspective, Rong Huang
Industry Engagement With Tourism And Hospitality Education: An Examination Of The Students’ Perspective, Rong Huang
Plymouth Business School
No abstract provided.
From Services To Civilian: The Geographies Of Veterans' Post-Military Lives, Agatha Herman, Richard Yarwood
From Services To Civilian: The Geographies Of Veterans' Post-Military Lives, Agatha Herman, Richard Yarwood
School of Geography, Earth and Environmental Sciences
No abstract provided.
The Impact Of Changing Surface Ocean Conditions On The Dissolution Of Aerosol Iron, Matthew P. Fishwick, Peter N. Sedwick, Maeve C. Lohan, Paul J. Worsfold, Kristen N. Buck, Thomas M. Church, Simon J. Ussher
The Impact Of Changing Surface Ocean Conditions On The Dissolution Of Aerosol Iron, Matthew P. Fishwick, Peter N. Sedwick, Maeve C. Lohan, Paul J. Worsfold, Kristen N. Buck, Thomas M. Church, Simon J. Ussher
School of Geography, Earth and Environmental Sciences
The proportion of aerosol iron (Fe) that dissolves in seawater varies greatly and is dependent on aerosol composition and the physicochemical conditions of seawater, which may change depending on location or be altered by global environmental change. Aerosol and surface seawater samples were collected in the Sargasso Sea and used to investigate the impact of these changing conditions on aerosol Fe dissolution in seawater. Our data show that seawater temperature, pH, and oxygen concentration, within the range of current and projected future values, had no significant effect on the dissolution of aerosol Fe. However, the source and composition of aerosols …
'It's All A Question Of Business': Investment Identities, Networks And Decision-Making In The Cleantech Economy, Lucien Georgeson, Federico Caprotti, Ian Bailey
'It's All A Question Of Business': Investment Identities, Networks And Decision-Making In The Cleantech Economy, Lucien Georgeson, Federico Caprotti, Ian Bailey
School of Geography, Earth and Environmental Sciences
No abstract provided.
Port Sustainability Management System For Smaller Ports In Cornwall And Devon, Andrei Kuznetsov
Port Sustainability Management System For Smaller Ports In Cornwall And Devon, Andrei Kuznetsov
Plymouth Business School Theses
Many smaller ports in Cornwall and Devon (CAD) are situated in environmentally sensitive habitats and generate benefits for stakeholders and local communities. Such ports are often embedded in tourist based economies. Increasing environmental legislation is placing a strain on the resources of smaller ports making compliance a threat to profitability and thus the future of some ports and local economies. Over-reliance on environmental management systems (EMS) across the ports industry has predominated over the importance of holistic sustainability. This project develops and disseminates a port sustainability management system (PSMS) in CAD, assisting ports to plan marine and maritime operations more …
A New Framework For Strategic Information Systems In Airline Industry, Abdulrahman Aljefri
A New Framework For Strategic Information Systems In Airline Industry, Abdulrahman Aljefri
Plymouth Business School Theses
Stiff competition in the Airline sector mandates airlines to innovate ways to gain a competitive advantage over their rivals; however, without a strong IT the mission to attain this would be arduous. Large airlines do their best to maximise the use of enterprise systems to stream their business processes. Nonetheless, some airlines are not up to date with technology and are left with few choices when attempting to secure their existence in today’s harsh market. One option is to implement bleeding edge systems concurrently (which is our focus in this paper) due to the fact that very scant research exists …
Cadmium Contamination Of Agricultural Soils And Crops Resulting From Sphalerite Weathering., T. C. Robson, C. B. Braungardt, J. Rieuwerts, P. Worsfold
Cadmium Contamination Of Agricultural Soils And Crops Resulting From Sphalerite Weathering., T. C. Robson, C. B. Braungardt, J. Rieuwerts, P. Worsfold
School of Geography, Earth and Environmental Sciences
The biogeochemistry and bioavailability of cadmium, released during sphalerite weathering in soils, were investigated under contrasting agricultural scenarios to assess health risks associated with sphalerite dust transport to productive soils from mining. Laboratory experiments (365 d) on temperate and sub-tropical soils amended with sphalerite (<63 μm, 0.92 wt.% Cd) showed continuous, slow dissolution (0.6-1.2% y(-1)). Wheat grown in spiked temperate soil accumulated ≈38% (29 μmol kg(-1)) of the liberated Cd, exceeding food safety limits. In contrast, rice grown in flooded sub-tropical soil accumulated far less Cd (0.60 μmol kg(-1)) due to neutral soil pH and Cd bioavailability was possibly also controlled by secondary sulfide formation. The results demonstrate long-term release of Cd to soil porewaters during sphalerite weathering. Under oxic conditions, Cd may be sufficiently bioavailable to contaminate crops destined for human consumption; however flooded rice production limits the impact of sphalerite contamination.
Modelling Particle Residence Times In Agricultural River Basins Using A Sediment Budget Model And Fallout Radionuclide Tracers, Hugh G. Smith, William H. Blake, Alex Taylor
Modelling Particle Residence Times In Agricultural River Basins Using A Sediment Budget Model And Fallout Radionuclide Tracers, Hugh G. Smith, William H. Blake, Alex Taylor
School of Geography, Earth and Environmental Sciences
No abstract provided.
Biogeochemical Cycling Of Dissolved Zinc Along The Geotraces South Atlantic Transect Ga10 At 40 S, N. J. Wyatt, A. Milne, E. M.S. Woodward, A. P. Rees, T. J. Browning, H. A. Bouman, P. J. Worsfold, M. C. Lohan
Biogeochemical Cycling Of Dissolved Zinc Along The Geotraces South Atlantic Transect Ga10 At 40 S, N. J. Wyatt, A. Milne, E. M.S. Woodward, A. P. Rees, T. J. Browning, H. A. Bouman, P. J. Worsfold, M. C. Lohan
School of Geography, Earth and Environmental Sciences
No abstract provided.
Is Neolithic Land Use Correlated With Demography? An Evaluation Of Pollen-Derived Land Cover And Radiocarbon-Inferred Demographic Change From Central Europe, Jutta Lechterbeck, Kevan Edinborough, Tim Kerig, Ralph Fyfe, Neil Roberts, Stephen Shennan
Is Neolithic Land Use Correlated With Demography? An Evaluation Of Pollen-Derived Land Cover And Radiocarbon-Inferred Demographic Change From Central Europe, Jutta Lechterbeck, Kevan Edinborough, Tim Kerig, Ralph Fyfe, Neil Roberts, Stephen Shennan
School of Geography, Earth and Environmental Sciences
No abstract provided.
Territorial Tactics: The Socio-Spatial Significance Of Private Policing Strategies In Cape Town, Till F. Paasche, Richard Yarwood, James D. Sidaway
Territorial Tactics: The Socio-Spatial Significance Of Private Policing Strategies In Cape Town, Till F. Paasche, Richard Yarwood, James D. Sidaway
School of Geography, Earth and Environmental Sciences
No abstract provided.
Western Leveraged Pedagogy Of Central And Eastern Europe: Discourses Of Homophobia, Tolerance, And Nationhood, R Kulpa
School of Law, Humanities and Social Sciences
This article focuses on the relations between the two geo-temporal categories - Central and Eastern Europe (CEE) and West/Europe - in discussions about sexual politics, homophobia, tolerance, and nationhood. It contributes to the existing literature about homonationalism and sexual nationalisms by introducing CEE to the debate's geographical loci, so far mostly invested in West/Europe and its relations to Islam. It argues that it is important to consider CEE in sexual nationalism debates because of its framing as the European (homophobic) Other in the emerging discourses of 'homoinclusive Europe'. This article introduces the concept of leveragedpedagogy, which captures the specificity of …
A Developmental Approach To Predicting Neuronal Connectivity From Small Biological Datasets: A Gradient-Based Neuron Growth Model., R Borisyuk, Ak Al Azad, D Conte, A Roberts, Sr Soffe
A Developmental Approach To Predicting Neuronal Connectivity From Small Biological Datasets: A Gradient-Based Neuron Growth Model., R Borisyuk, Ak Al Azad, D Conte, A Roberts, Sr Soffe
School of Engineering, Computing and Mathematics
Relating structure and function of neuronal circuits is a challenging problem. It requires demonstrating how dynamical patterns of spiking activity lead to functions like cognitive behaviour and identifying the neurons and connections that lead to appropriate activity of a circuit. We apply a "developmental approach" to define the connectome of a simple nervous system, where connections between neurons are not prescribed but appear as a result of neuron growth. A gradient based mathematical model of two-dimensional axon growth from rows of undifferentiated neurons is derived for the different types of neurons in the brainstem and spinal cord of young tadpoles …
Functional Diversity Of Marine Ecosystems After The Late Permian Mass Extinction Event, Wj Foster, Rj Twitchett
Functional Diversity Of Marine Ecosystems After The Late Permian Mass Extinction Event, Wj Foster, Rj Twitchett
School of Geography, Earth and Environmental Sciences
The Late Permian mass extinction event was the most severe such crisis of the past 500 million years and occurred during an episode of global warming. It is assumed to have had significant ecological impact, but its effects on marine ecosystem functioning are unknown and the patterns of marine recovery are debated. We analysed the fossil occurrences of all known Permian-Triassic benthic marine genera and assigned each to a functional group based on their inferred life habit. We show that despite the selective extinction of 62-74% of marine genera there was no significant loss of functional diversity at the global …
The Green Economy: Functional Domains And Theoretical Directions Of Enquiry, Ian Bailey, Federico Caprotti
The Green Economy: Functional Domains And Theoretical Directions Of Enquiry, Ian Bailey, Federico Caprotti
School of Geography, Earth and Environmental Sciences
No abstract provided.
Making Sense Of The Gren Economy, Federico Caprotti, Ian Bailey
Making Sense Of The Gren Economy, Federico Caprotti, Ian Bailey
School of Geography, Earth and Environmental Sciences
No abstract provided.
Characterisation Of The Porous Structure Of Gilsocarbon Graphite Using Pycnometry, Cyclic Porosimetry And Void-Network Modeling, Giuliano M. Laudone, Christopher M. Gribble, G. Peter Matthews
Characterisation Of The Porous Structure Of Gilsocarbon Graphite Using Pycnometry, Cyclic Porosimetry And Void-Network Modeling, Giuliano M. Laudone, Christopher M. Gribble, G. Peter Matthews
School of Geography, Earth and Environmental Sciences
The cores of the fourteen Advanced Gas-cooled nuclear Reactors (AGRs) within the UK comprise Gilsocarbon graphite, a manufactured material surrounded predominantly by CO2 at high pressure and temperature to provide heat exchange. The intense ionising radiation within the reactors causes radiolytic oxidation, and the resulting mass loss is a primary factor in determining reactor lifetime. The void structure of the porous Gilsocarbon graphite affects the permeability and diffusion of the carbon dioxide, and the sites of oxidation. To model this void structure, the porosities and densities of ten virgin Gilsocarbon graphite samples have been measured by powder and helium pycnometry. …
Talking On The Move: Place‐Based Interviewing With Undergraduate Students, Mark Holton, Mark Riley
Talking On The Move: Place‐Based Interviewing With Undergraduate Students, Mark Holton, Mark Riley
School of Geography, Earth and Environmental Sciences
Recent research has begun to pay attention to the importance of place to the research encounter. This paper makes a contribution to these discussions through an investigation into the lived experiences of higher education students. Although there is a burgeoning literature on what has been termed ‘student geographies’, there has been relatively little attention focused on the methods that we might employ in exploring these geographies. Here we consider ‘walking interviews’ as an approach to helping better comprehend students’ experiences and understandings of University towns and cities. Accompanying students ‘in the field’ allowed us to explore students’ narratives ‘in place’ …
Atomic Spectrometry Updates. Review Of Advances In Elemental Speciation, Robert Clough, Chris F. Harrington, Steve J. Hill, Yolanda Madrid, Julian F. Tyson
Atomic Spectrometry Updates. Review Of Advances In Elemental Speciation, Robert Clough, Chris F. Harrington, Steve J. Hill, Yolanda Madrid, Julian F. Tyson
School of Geography, Earth and Environmental Sciences
No abstract provided.
Strain Field Analysis On Montserrat (W.I.) As Tool For Assessing Permeable Flow Paths In The Magmatic System Of Soufrière Hills Volcano, Stefanie Hautmann, Fred Witham, Thomas Christopher, Paul Cole, Alan T. Linde, I. Selwyn Sacks, R. Stephen J. Sparks
Strain Field Analysis On Montserrat (W.I.) As Tool For Assessing Permeable Flow Paths In The Magmatic System Of Soufrière Hills Volcano, Stefanie Hautmann, Fred Witham, Thomas Christopher, Paul Cole, Alan T. Linde, I. Selwyn Sacks, R. Stephen J. Sparks
School of Geography, Earth and Environmental Sciences
AbstractStrain dilatometers have been operated on the volcanic island of Montserrat (West Indies) for more than a decade and have proven to be a powerful technique to approach short‐term dynamics in the deformational field in response to pressure changes in the magmatic system of the andesitic dome‐building Soufrière Hills Volcano (SHV). We here demonstrate that magmatic activity in each of the different segments of the SHV magmatic system (shallow dyke‐conduit, upper and lower magma chambers) generates a characteristic strain pattern that allows the identification of operating sources in the plumbing system based on a simple scheme of amplitude ratios. We …
Chapter 10 The Effect Of Topography On Ash-Cloud Surge Generation And Propagation, Se Ogburn, Es Calder, Pd Cole, Aj Stinton
Chapter 10 The Effect Of Topography On Ash-Cloud Surge Generation And Propagation, Se Ogburn, Es Calder, Pd Cole, Aj Stinton
School of Geography, Earth and Environmental Sciences
No abstract provided.
Chapter 21 Controls On Variations In Cristobalite Abundance In Ash Generated By The Soufrière Hills Volcano, Montserrat In The Period 1997 To 2010, Cj Horwell, Se Hillman, Pd Cole, Sc Loughlin, Ew Llewellin, De Damby, Te Christopher
Chapter 21 Controls On Variations In Cristobalite Abundance In Ash Generated By The Soufrière Hills Volcano, Montserrat In The Period 1997 To 2010, Cj Horwell, Se Hillman, Pd Cole, Sc Loughlin, Ew Llewellin, De Damby, Te Christopher
School of Geography, Earth and Environmental Sciences
No abstract provided.
A Note On The Krone Deposition Equation And Significance Of Floc Aggregation, Aj Mehta, Aj Manning, Yp Khare
A Note On The Krone Deposition Equation And Significance Of Floc Aggregation, Aj Mehta, Aj Manning, Yp Khare
School of Biological and Marine Sciences
No abstract provided.
Impact Of Urea Price Change On The Economic Optimum Level Of N Fertilizer Use In Hyv Rice And Its Yield In Bangladesh, S Rahman, Mmh Kazal, St Hossain
Impact Of Urea Price Change On The Economic Optimum Level Of N Fertilizer Use In Hyv Rice And Its Yield In Bangladesh, S Rahman, Mmh Kazal, St Hossain
School of Geography, Earth and Environmental Sciences
The study estimates the impact of change in urea price on the economic optimum level of N fertilizer use in HYV rice and its yield in Bangladesh using a large set of experimental data of BRRI from 15 regions covering an 11 year period (2001–2011). Results revealed that the level of N fertilizer used in experiments to increase HYV rice yield was far lower than the economic optimum level in Aman and Boro seasons but higher in Aus season. The discrepancy was highest for HYV Boro rice closely followed by HYV Aman rice. Simulation exercise revealed that an increase in …
Diamondoid Diacids ('O4' Species) In Oil Sands Process‐Affected Water, Sk Lengger, Ag Scarlett, Ce West, Sj Rowland
Diamondoid Diacids ('O4' Species) In Oil Sands Process‐Affected Water, Sk Lengger, Ag Scarlett, Ce West, Sj Rowland
School of Geography, Earth and Environmental Sciences
RATIONALE As a by-product of oil sands extraction, large volumes of oil sands process water (OSPW) are generated, which are contaminated with a large range of water-soluble organic compounds. The acids are thought to be derived from hydrocarbons via natural biodegradation pathways such as α- and β-oxidation of alkyl substituents, which could produce mono- and diacids, for example. However, while several monoacids (‘O2’ species) have been identified, the presence of diacids (i.e. 'O4' species) has only been deduced from results obtained via Fourier transform infrared (FTIR) spectroscopy, Fourier transform ion cyclotron resonance high-resolution mass spectrometry (FTICR-HRMS) and nuclear magnetic resonance …
Landsliding On The South East Coast Of The Isle Of Wight: Nature, Characteristics And Causes, Grant Cole
Landsliding On The South East Coast Of The Isle Of Wight: Nature, Characteristics And Causes, Grant Cole
The Plymouth Student Scientist
This comprehensive report conveys the nature, characteristics and causes of landsliding along the south east coast of the Isle of Wight. Landsliding is a major geohazard worldwide and is a major land shaping process on the Isle of Wight especially along its coastline and the island provides a unique opportunity to study this process. This report provides information and data on landsliding in an area of the island which hasn’t received extensive attention compared to other areas such as Ventnor. The report displays a combination of field data involving geological, lithological and geomorphological data and laboratory data in the form …
An Investigation Of The Bioavailability Of Heavy Metals In Tailing Run-Off Sediment At Devon Great Consols, Chan Yin Chi
An Investigation Of The Bioavailability Of Heavy Metals In Tailing Run-Off Sediment At Devon Great Consols, Chan Yin Chi
The Plymouth Student Scientist
This project focuses on the environmental geochemistry of the Devon Great Consols by determination of the concentrations of chromium, copper, nickel, lead, zinc, cadmium, arsenic, manganese and iron. BCR®701 is a certified reference material (CRM) which was treated by Community Bureau of Reference (BCR) sequential extraction to determine the accuracy and precision of the experiment. Moreover, the CRM was also employed to compare performance of instruments, namely ICP-AES and ICP-MS. The T-test was used to determine any significance of difference between experimental values and certified values. The F- test was used to determine any significance of difference between ICP-AES and …