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Articles 751 - 780 of 1483
Full-Text Articles in Entire DC Network
Unravelling Mass Transport In Hierarchically Porous Catalysts, Mark A. Isaacs, Neil Robinson, Brunella Barbero, Lee J. Durndell, Jinesh C. Manayil, Christopher M.A. Parlett, Carmine D'Agostino, Karen Wilson, Adam F. Lee
Unravelling Mass Transport In Hierarchically Porous Catalysts, Mark A. Isaacs, Neil Robinson, Brunella Barbero, Lee J. Durndell, Jinesh C. Manayil, Christopher M.A. Parlett, Carmine D'Agostino, Karen Wilson, Adam F. Lee
School of Geography, Earth and Environmental Sciences
Hierarchical porous catalysts offer highly connected architectures for enhanced transport of bulky molecules and the sustainable manufacturing of bio-derived platform chemicals and fuels.
Structure‐Reactivity Relations In Ru Catalysed Furfural Hydrogenation, Lee J. Durndell, Guchu Zou, Wenfeng Shangguan, Adam F. Lee, Karen Wilson
Structure‐Reactivity Relations In Ru Catalysed Furfural Hydrogenation, Lee J. Durndell, Guchu Zou, Wenfeng Shangguan, Adam F. Lee, Karen Wilson
School of Geography, Earth and Environmental Sciences
No abstract provided.
Aliphatic Amines At The Cape Verde Atmospheric Observatory: Abundance, Origins And Sea-Air Fluxes, Mark F. Fitzsimons, Charlotte H.L. Cree
Aliphatic Amines At The Cape Verde Atmospheric Observatory: Abundance, Origins And Sea-Air Fluxes, Mark F. Fitzsimons, Charlotte H.L. Cree
School of Geography, Earth and Environmental Sciences
No abstract provided.
Meteoric Fluid‐Rock Interaction In Variscan Shear Zones, Camille Dusséaux, Aude Gébelin, Philippe Boulvais, Véronique Gardien, Stephen Grimes, Andreas Mulch
Meteoric Fluid‐Rock Interaction In Variscan Shear Zones, Camille Dusséaux, Aude Gébelin, Philippe Boulvais, Véronique Gardien, Stephen Grimes, Andreas Mulch
School of Geography, Earth and Environmental Sciences
No abstract provided.
In-Situ Trace Metal (Cd, Pb, Cu) Speciation Along The Po River Plume (Northern Adriatic Sea) Using Submersible Systems, S Illuminati, A Annibaldi, C Truzzi, M-L Tercier-Waeber, Et Al
In-Situ Trace Metal (Cd, Pb, Cu) Speciation Along The Po River Plume (Northern Adriatic Sea) Using Submersible Systems, S Illuminati, A Annibaldi, C Truzzi, M-L Tercier-Waeber, Et Al
School of Geography, Earth and Environmental Sciences
Information on the distribution and speciation of trace metals is of critical importance for our ability to interpret the links between the bioavailability and uptake of an element, and its biogeochemical cycle in coastal environments. Within the framework of the European Project “In-situ automated Monitoring of Trace metal speciation in Estuaries and Coastal zones in relation with the biogeochemical processes (IMTEC)”, the chemical speciation of Cd, Pb and Cu was carried out along the Po River plume in the period 27 October – 2 November 2002. During the cruise, five Voltammetric In-situ Profiling systems and one Multi Physical Chemical Profiler, …
Women’S Gainful Employment In ‘Gher’ Farming System (Prawn–Carp–Rice Integrated Culture) In Bangladesh: Trends And Determinants, S Rahman, Bk Barmon
Women’S Gainful Employment In ‘Gher’ Farming System (Prawn–Carp–Rice Integrated Culture) In Bangladesh: Trends And Determinants, S Rahman, Bk Barmon
School of Geography, Earth and Environmental Sciences
© 2019, Springer Nature Switzerland AG. The paper examines trends in women’s gainful employment in ‘prawn-carp’ and ‘high yield variety (HYV) rice’ enterprises of the ‘gher’ farming system and jointly identifies the determinants of employing female and male labor in these enterprises using a farm-level panel data of 90 producers covering a 14-year period (2002–2015) from southwest Bangladesh by applying a multivariate Tobit approach. Results revealed that women’s gainful employment and real wage increased significantly with a substantial reduction in wage gap between female and male labor. The decision to employ female and male labor was found to be positively …
Palaeoenvironmental And Tectonic Significance Of Miocene Lacustrine And Palustrine Carbonates (Aït Kandoula Formation) In The Ouarzazate Foreland Basin, Morocco, Sarah J. Boulton, Justin H. Vandevelde, Stephen T. Grimes
Palaeoenvironmental And Tectonic Significance Of Miocene Lacustrine And Palustrine Carbonates (Aït Kandoula Formation) In The Ouarzazate Foreland Basin, Morocco, Sarah J. Boulton, Justin H. Vandevelde, Stephen T. Grimes
School of Geography, Earth and Environmental Sciences
The Ouarzazate Basin is the southern foreland basin to the High Atlas Mountains in Morocco. The sedimentary fill records a sequence dating from the Eocene to Pleistocene that records the interplay between tectonics and climate. This study presents the first stable isotope and facies analyses of the Middle to Late Miocene Aït Ibrirn lacustrine Member (Aït Kandoula Formation). These data test whether the basin was internally draining and enable the development of palaeoenvironmental models for the Middle to Late Miocene. Five sedimentary facies of lacustrine and palustrine limestones are interbeddded with extensive sequences of palaeosols and fluvial sandstones and conglomerates, …
Using Glue To Pull Apart The Provenance Of Atmospheric Dust, Reza Dahmardeh Behrooz, Hamid Gholami, Matt W. Telfer, John D. Jansen, Aboalhasan Fathabadi
Using Glue To Pull Apart The Provenance Of Atmospheric Dust, Reza Dahmardeh Behrooz, Hamid Gholami, Matt W. Telfer, John D. Jansen, Aboalhasan Fathabadi
School of Geography, Earth and Environmental Sciences
© 2018 Identifying the sources of aeolian dust is a crucial step in mitigating the associated hazards. We apply a Generalized Likelihood Uncertainty Estimation (GLUE) model to constrain the uncertainties associated with sediment fingerprinting of atmospheric dust in the Sistan region on the Iran-Afghanistan border, one of the world's dustiest places. 57 dust samples were collected from the rooftop of the Zabol Department of Environmental Protection during a summer dusty period from June to October 2014, in addition to 31 surface soil samples collected from potential sources nearby, including cultivated land (n = 8), uncultivated rangeland (n = 7), and …
Morphometric Characteristics Of Alluvial Fans In Southern Turkey: Implications For Fault Activity In The Anatolia, Arabia, Africa Triple Junction Region., A Karatas, S Boulton
Morphometric Characteristics Of Alluvial Fans In Southern Turkey: Implications For Fault Activity In The Anatolia, Arabia, Africa Triple Junction Region., A Karatas, S Boulton
School of Geography, Earth and Environmental Sciences
Although, there are numerous studies investigating the boundary between the Anatolian, African and Arabian plates, there are still no definitive results on this topic. Continuing intense tectonic deformation in the area has caused tectonic lines composed of various types of faults to interact and it is necessary to accurately identify the plate borders in the convergence area which is globally and regionally important. Therefore, the impact of tectonic deformation on the current alluvial fans was measured through morphometric analysis methods such as concavity index, best fitted ellipse and sinuosity index to define the relationship between fault lines by presenting their …
Impact Of The Wastewater-Mixing Zone On Attenuation Of Pharmaceuticals In Natural Waters: Implications For An Impact Zone Inclusive Environmental Risk Assessment, Sean Comber, Simone Bagnis, Alan Tappin, Mark F. Fitzsimons, Jason Snape
Impact Of The Wastewater-Mixing Zone On Attenuation Of Pharmaceuticals In Natural Waters: Implications For An Impact Zone Inclusive Environmental Risk Assessment, Sean Comber, Simone Bagnis, Alan Tappin, Mark F. Fitzsimons, Jason Snape
School of Geography, Earth and Environmental Sciences
No abstract provided.
Walking With Technology: Understanding Mobility-Technology Assemblages, Mark Holton
Walking With Technology: Understanding Mobility-Technology Assemblages, Mark Holton
School of Geography, Earth and Environmental Sciences
No abstract provided.
Cadmium Pigments In Consumer Products And Their Health Risks, Andrew Turner
Cadmium Pigments In Consumer Products And Their Health Risks, Andrew Turner
School of Geography, Earth and Environmental Sciences
© 2018 Elsevier B.V. Cadmium is a toxic heavy metal that has been increasingly regulated over the past few decades. The main exposure routes for the general public are the consumption of certain foods and the inhalation of cigarette smoke. However, additional exposure may occur through the current and historical use of the metal in consumer products. In this paper, the uses of Cd in consumer goods are reviewed, with the focus on brightly-coloured Cd sulphide and sulphoselenide pigments, and measurements of Cd in historical and contemporary products ascertained by XRF are reported. Cadmium is encountered across a wide range …
Evaluation Of Combined Sewer Overflow Impacts On Short-Term Pharmaceutical And Illicit Drug Occurrence In A Heavily Urbanised Tidal River Catchment (London, Uk), Kelly Munro, Claudia P.B. Martins, Matthew Loewenthal, Sean Comber, David A. Cowan, Luisa Pereira, Leon P. Barron
Evaluation Of Combined Sewer Overflow Impacts On Short-Term Pharmaceutical And Illicit Drug Occurrence In A Heavily Urbanised Tidal River Catchment (London, Uk), Kelly Munro, Claudia P.B. Martins, Matthew Loewenthal, Sean Comber, David A. Cowan, Luisa Pereira, Leon P. Barron
School of Geography, Earth and Environmental Sciences
No abstract provided.
Abiotic Degradation Of Highly Branched Isoprenoid Alkenes And Other Lipids In The Water Column Off East Antarctica, Jean François Rontani, Lukas Smik, Simon T. Belt, Frédéric Vaultier, Linda Armbrecht, Amy Leventer, Leanne K. Armand
Abiotic Degradation Of Highly Branched Isoprenoid Alkenes And Other Lipids In The Water Column Off East Antarctica, Jean François Rontani, Lukas Smik, Simon T. Belt, Frédéric Vaultier, Linda Armbrecht, Amy Leventer, Leanne K. Armand
School of Geography, Earth and Environmental Sciences
© 2019 In some previous studies, the ratio between a di-unsaturated highly branched isoprenoid (HBI) lipid termed IPSO 25 and a structurally related tri-unsaturated counterpart (HBI III) (viz. IPSO 25 /HBI III) has been used as a proxy measure of variable sea ice cover in the Antarctic owing to their production by certain sea ice algae and open water diatoms, respectively. To investigate this further, we quantified selected lipids and their photo- and autoxidation products in samples of suspended particulate matter (SPM) collected at different water depths in the polynya region west of the Dalton Iceberg Tongue (East Antarctica). The …
On The Geographies Of Hair: Exploring The Entangled Margins Of The Bordered Body, Mark Holton
On The Geographies Of Hair: Exploring The Entangled Margins Of The Bordered Body, Mark Holton
School of Geography, Earth and Environmental Sciences
No abstract provided.
Improved Isotopic Model Based On 15N Tracing And Rayleigh‐Type Isotope Fractionation For Simulating Differential Sources Of N2O Emissions In A Clay Grassland Soil, A Castellano‐Hinojosa, N Loick, E Dixon, Gp Matthews, Et Al
Improved Isotopic Model Based On 15N Tracing And Rayleigh‐Type Isotope Fractionation For Simulating Differential Sources Of N2O Emissions In A Clay Grassland Soil, A Castellano‐Hinojosa, N Loick, E Dixon, Gp Matthews, Et Al
School of Geography, Earth and Environmental Sciences
Rationale Isotopic signatures of N2O can help distinguish between two sources (fertiliser N or endogenous soil N) of N2O emissions. The contribution of each source to N2O emissions after N-application is difficult to determine. Here, isotopologue signatures of emitted N2O are used in an improved isotopic model based on Rayleigh-type equations. Methods The effects of a partial (33% of surface area, treatment 1c) or total (100% of surface area, treatment 3c) dispersal of N and C on gaseous emissions from denitrification were measured in a laboratory incubation system (DENIS) allowing simultaneous measurements of NO, N2O, N2 and CO2 over a …
Achieving Inclusive Field-Based Education: Results And Recommendations From An Accessible Geoscience Field Trip, Ad Feig, Cl Atchison, A Stokes, B Gilley
Achieving Inclusive Field-Based Education: Results And Recommendations From An Accessible Geoscience Field Trip, Ad Feig, Cl Atchison, A Stokes, B Gilley
School of Geography, Earth and Environmental Sciences
No abstract provided.
Marine Parks For Coastal Cities: A Concept For Enhanced Community Well-Being, Prosperity And Sustainable City Living, S. J. Pittman, L. D. Rodwell, R. J. Shellock, M. Williams, M. J. Attrill, J. Bedford, K. Curry, S. Fletcher, S. C. Gall, J. Lowther, A. Mcquatters-Gollop, K. L. Moseley, S. E. Rees
Marine Parks For Coastal Cities: A Concept For Enhanced Community Well-Being, Prosperity And Sustainable City Living, S. J. Pittman, L. D. Rodwell, R. J. Shellock, M. Williams, M. J. Attrill, J. Bedford, K. Curry, S. Fletcher, S. C. Gall, J. Lowther, A. Mcquatters-Gollop, K. L. Moseley, S. E. Rees
School of Geography, Earth and Environmental Sciences
No abstract provided.
The Paleolimnologist's Guide To Compound-Specific Stable Isotope Analysis – An Introduction To Principles And Applications Of Csia For Quaternary Lake Sediments, J Holtvoeth, Jh Whiteside, S Engels, Fs Freitas, Et Al
The Paleolimnologist's Guide To Compound-Specific Stable Isotope Analysis – An Introduction To Principles And Applications Of Csia For Quaternary Lake Sediments, J Holtvoeth, Jh Whiteside, S Engels, Fs Freitas, Et Al
School of Geography, Earth and Environmental Sciences
the stable isotope composition of key chemical elements for life on Earth (e.g., carbon, hydrogen, nitrogen, oxygen, sulfur) tracks changes in fluxes and turnover of these elements in the biogeosphere. Over the past 15–20 years, the potential to measure these isotopic compositions for individual, source-specific organic molecules (biomarkers) and to link them to a range of environmental conditions and processes has been unlocked and amplified by increasingly sensitive, affordable and wide-spread analytical technology. Paleoenvironmental research has seen enormous step-changes in our understanding of past ecosystem dynamics. Vital to these paradigm shifts is the need for well-constrained modern and recent analogues. …
Hazardous Plastics In Swiss Lakes?, Montserrat Filella, Andrew Turner
Hazardous Plastics In Swiss Lakes?, Montserrat Filella, Andrew Turner
School of Geography, Earth and Environmental Sciences
The accumulation and impacts of plastic litter in marine environments has received an extensive attention over the past decade. In contrast, littering in the freshwater environment has received relatively little study, despite the presence of plastics on the shores and beds of lakes and suspended in the lentic water column that are likely to pose the same problems to wildlife as marine plastics. Regardless of the type of water system, the majority of research in this area has targeted the presence of plastics themselves and, sometimes, their accumulation of persistent organic micropollutants (e.g., PCBs, PAHs). Only very recently attention has …
Nasty, Brutish And Short? The Life Cycle Of An Iron Age Round House At Black Loch Of Myrton, Sw Scotland., A Crone, G Cavers, E Allison, K Davies, Et Al
Nasty, Brutish And Short? The Life Cycle Of An Iron Age Round House At Black Loch Of Myrton, Sw Scotland., A Crone, G Cavers, E Allison, K Davies, Et Al
School of Geography, Earth and Environmental Sciences
Excavations at Black Loch of Myrton, Dumfries & Galloway are revealing the very well-preserved remains of an Iron Age settlement, the wetland context ensuring that the timber structures have remained intact and that the detritus of daily occupation survives for us to pick apart and understand. One of the structures in this settlement is an exceptionally well-preserved roundhouse, the material remains of which have been subjected to a barrage of analyses encompassing the insect, macroplant, bone and wood assemblages, soil micromorphology, faecal steroids, radiocarbon-dating and dendrochronology. These will enable us to address some of the key issues regarding the life …
Seasonal Variation Of Contaminant Concentrations In Wastewater Treatment Works Effluents And River Waters., S. D.W. Comber, M. J. Gardner, B. Ellor
Seasonal Variation Of Contaminant Concentrations In Wastewater Treatment Works Effluents And River Waters., S. D.W. Comber, M. J. Gardner, B. Ellor
School of Geography, Earth and Environmental Sciences
Results are presented for 170 wastewater treatment works sites (20 per substance in influent, effluent and 36 per substance in river water upstream and downstream of the WwTW discharge) over a period of two years between 2015 and 2017; this comprises data for approximately 3000 samples for effluent and 6000 for river samples taken downstream of effluent discharges. Seasonal trends in contaminant concentrations for several substances are reported. Two clear patterns of seasonal variation are proposed over and above all of the variables associated with environmental data including process technology, dilution and geography. Firstly, variation of riverine concentrations caused by …
The Changing Face Of The Mediterranean–Land Cover, Demography And Environmental Change: Introduction And Overview, Andrew Bevan, Alessio Palmisano, Jessie Woodbridge, Ralph Fyfe, Neil Roberts, Stephen Shennan
The Changing Face Of The Mediterranean–Land Cover, Demography And Environmental Change: Introduction And Overview, Andrew Bevan, Alessio Palmisano, Jessie Woodbridge, Ralph Fyfe, Neil Roberts, Stephen Shennan
School of Geography, Earth and Environmental Sciences
This paper introduces a special issue on The Changing Face of the Mediterranean: Land Cover, Demography, and Environmental Change, which brings together up-to-date regional or thematic perspectives on major long-term trends in Mediterranean human–environment relations. Particularly, important insights are provided by palynology to reconstruct past vegetation and land cover, and archaeology to establish long-term demographic trends, but with further significant input from palaeoclimatology, palaeofire research and geomorphology. Here, we introduce the rationale behind this pan-Mediterranean research initiative, outline its major sources of evidence and method, and describe how individual submissions work to complement one another.
Autoxidation Of The Sea Ice Biomarker Proxy Ipso 25 In The Near-Surface Oxic Layers Of Arctic And Antarctic Sediments, Jean François Rontani, Lukas Smik, Simon T. Belt
Autoxidation Of The Sea Ice Biomarker Proxy Ipso 25 In The Near-Surface Oxic Layers Of Arctic And Antarctic Sediments, Jean François Rontani, Lukas Smik, Simon T. Belt
School of Geography, Earth and Environmental Sciences
© 2019 Over the last decade or so, the mono- and di-unsaturated highly branched isoprenoid (HBI) lipids IP 25 (Ice Proxy with 25 carbon atoms) and IPSO 25 (Ice Proxy for the Southern Ocean with 25 carbon atoms) have emerged as useful proxies for sea ice in the Arctic and Antarctic, respectively. A more complete understanding of their respective proxy signatures, however, requires more detailed knowledge of their stability in the water column and in sediments. In the current study, we focused on the autoxidation of IPSO 25 , first by performing laboratory-based oxidation reactions on a purified sample and …
What Do Variable Magnetic Fabrics In Gabbros Of The Oman Ophiolite Reveal About Lower Oceanic Crustal Magmatism At Fast Spreading Ridges?, Antony Morris, Matthew Meyer, Mark W. Anderson, Christopher J. Macleod
What Do Variable Magnetic Fabrics In Gabbros Of The Oman Ophiolite Reveal About Lower Oceanic Crustal Magmatism At Fast Spreading Ridges?, Antony Morris, Matthew Meyer, Mark W. Anderson, Christopher J. Macleod
School of Geography, Earth and Environmental Sciences
No abstract provided.
The Eastern Extent Of Seasonal Iron Limitation In The High Latitude North Atlantic Ocean, A. J. Birchill, N. T. Hartner, K. Kunde, B. Siemering, C. Daniels, D Gonzalez-Santana, A. Milne, S. J. Ussher, P. J. Worsfold, K. Leopold, S. C. Painter, M. C. Lohan
The Eastern Extent Of Seasonal Iron Limitation In The High Latitude North Atlantic Ocean, A. J. Birchill, N. T. Hartner, K. Kunde, B. Siemering, C. Daniels, D Gonzalez-Santana, A. Milne, S. J. Ussher, P. J. Worsfold, K. Leopold, S. C. Painter, M. C. Lohan
School of Geography, Earth and Environmental Sciences
No abstract provided.
“You Don't Want To Peer Over People's Shoulders, It Feels Too Rude!”: The Moral Geographies Of Using Participants’ Personal Smartphones In Research, Mark Holton, Nichola Harmer
“You Don't Want To Peer Over People's Shoulders, It Feels Too Rude!”: The Moral Geographies Of Using Participants’ Personal Smartphones In Research, Mark Holton, Nichola Harmer
School of Geography, Earth and Environmental Sciences
No abstract provided.
Mapping Upland Peat Depth Using Airborne Radiometric And Lidar Survey Data, N. Gatis, D. J. Luscombe, D. Carless, L. E. Parry, R. M. Fyfe, T. R. Harrod, R. E. Brazier, K. Anderson
Mapping Upland Peat Depth Using Airborne Radiometric And Lidar Survey Data, N. Gatis, D. J. Luscombe, D. Carless, L. E. Parry, R. M. Fyfe, T. R. Harrod, R. E. Brazier, K. Anderson
School of Geography, Earth and Environmental Sciences
No abstract provided.
Prehistoric Palaeodemographics And Regional Land Cover Change In Eastern Iberia, Ralph M. Fyfe, J Woodbridge, Alessio Palmisano, Andrew Bevan, Stephen Shennan, Francesc Burjachs, Herrero B Leggaro, Puchol O Garcia, Js Carrion, Jordi Revelles, C. Neil Roberts
Prehistoric Palaeodemographics And Regional Land Cover Change In Eastern Iberia, Ralph M. Fyfe, J Woodbridge, Alessio Palmisano, Andrew Bevan, Stephen Shennan, Francesc Burjachs, Herrero B Leggaro, Puchol O Garcia, Js Carrion, Jordi Revelles, C. Neil Roberts
School of Geography, Earth and Environmental Sciences
No abstract provided.
Global Bioevents And The Cretaceous/Paleogene Boundary In Texas And Alabama: Stratigraphy, Correlation And Ocean Acidification, Malcolm B. Hart, Andrew D. Leighton, Matthew Hampton, Christopher W. Smart
Global Bioevents And The Cretaceous/Paleogene Boundary In Texas And Alabama: Stratigraphy, Correlation And Ocean Acidification, Malcolm B. Hart, Andrew D. Leighton, Matthew Hampton, Christopher W. Smart
School of Geography, Earth and Environmental Sciences
No abstract provided.