4,516 research outputs found
A Holistic Analysis of Internet of Things (IoT) Security : Principles, Practices, and New Perspectives
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Planetary Hinterlands:Extraction, Abandonment and Care
This open access book considers the concept of the hinterland as a crucial tool for understanding the global and planetary present as a time defined by the lasting legacies of colonialism, increasing labor precarity under late capitalist regimes, and looming climate disasters. Traditionally seen to serve a (colonial) port or market town, the hinterland here becomes a lens to attend to the times and spaces shaped and experienced across the received categories of the urban, rural, wilderness or nature. In straddling these categories, the concept of the hinterland foregrounds the human and more-than-human lively processes and forms of care that go on even in sites defined by capitalist extraction and political abandonment. Bringing together scholars from the humanities and social sciences, the book rethinks hinterland materialities, affectivities, and ecologies across places and cultural imaginations, Global North and South, urban and rural, and land and water
The Pragmatic Development of a Carbon Management Framework for UK SMEs
The UK's commitment to net-zero emissions by 2050 is challenged by critics citing current government strategies as inadequate, marked by a lack of concrete action and aspirational guidelines. Notably, businesses, including small and medium-sized enterprises (SMEs) which constitute about half of all business emissions, are pivotal to this goal. Yet, existing policies and standards often neglect the significant role of SMEs, who face barriers such as limited knowledge and resources in implementing carbon management practices.
This thesis explores the development of a novel carbon management framework specifically designed for medium-sized organisations in the UK to address these problems. The research adopts a practical approach through collaboration with an industry partner, facilitating a case study for real-world application.
Adopting a mixed-methods research design grounded in pragmatism, the study commenced with a qualitative study in the form of a focus group. This exploratory phase, critical for understanding SME challenges, yielded rich data revealing key management themes in strategy, energy, and data. The framework design was supported by a materiality assessment and input from key stakeholders on three major iterations. The final framework comprises three phases: establishing a baseline carbon footprint, creating a carbon reduction plan, and strategically implementing this plan. The validation process, conducted at Knowsley Safari, successfully tested the initial two phases but faced constraints in fully assessing the third phase due to time limitations.
While the research achieved its primary aim of developing a novel carbon management framework for SMEs, it encountered limitations, notably in time and the generalisability of findings due to reliance on a single case study. Future research could test the framework across diverse SME settings to establish its broader applicability and effectiveness in aiding the UK's net-zero emission goals
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Methane Production by Methanogens In Simulated Subsurface Martian Environments
Methane has a typical atmospheric photochemical lifetime of ∼300 years on Mars, making contemporary reported detections (and non-detections) of methane a fiercely debated topic, due to the potential need for a present-day source. On Earth, most methane is produced by methanogenic microbes present in, e.g., ruminants, wetlands, lakes and permafrost. Of the four metabolic pathways on Earth, the hydrogenotrophic pathway is the most common, utilising CO2 and H2 as substrates. Both gases are present on Mars, plus liquid water and essential elements (CHNOPS) that are requirements for life, and organics. Surface conditions on Mars are sterilising, however, the temperature and pressure of the subsurface are potentially favourable to life and provide a shield to sterilising surface conditions, and are thus a possible habitat for methanogens. A meta-analysis was
conducted, motivated by these subsurface parameters, that redefined the statistical representation for several growth parameters for all type-strains of methanogens and analysed multiple parameters
simultaneously across multiple categories (e.g. metabolism), showing that the optimal average conditions in which to grow methanogens would be a meso-temperate (20 to 39â—¦C), hypersaline and slightly acidic environment. Two martian subsurface environments were simulated to determine whether environmental or chemical factors are inhibitory to methanogenesis. (1) Methanoculleus marisnigri was grown in a custom-built, high-pressure manifold at 60 bar and 25â—¦C to simulate the subsurface of Mars, although no methane was produced, due to a technical issue resulting in oxygenated medium. However, some cells survived five weeks of oxygenation. (2) Methanothermococcus okinawensis was grown in a simulated chemical environment at 1 bar and 60â—¦C, that included a regolith simulant, a proposed martian brine and a Mars-relevant organic source (carbonaceous chondrite). The simulated parameters of the chemical environment of subsurface Mars were not inhibitory to hydrogenotrophic methanogenesis, suggesting it is feasible (from a metabolic perspective) that subsurface methanogens could be producing contemporary methane on Mars
Posthuman Creative Styling can a creative writer’s style of writing be described as procedural?
This thesis is about creative styling — the styling a creative writer might use to make their writing
unique. It addresses the question as to whether such styling can be described as procedural. Creative
styling is part of the technique a creative writer uses when writing. It is how they make the text more
‘lively’ by use of tips and tricks they have either learned or discovered. In essence these are rules, ones
the writer accrues over time by their practice. The thesis argues that the use and invention of these
rules can be set as procedures. and so describe creative styling as procedural.
The thesis follows from questioning why it is that machines or algorithms have, so far, been
incapable of producing creative writing which has value. Machine-written novels do not abound on
the bookshelves and writing styled by computers is, on the whole, dull in comparison to human-crafted
literature. It came about by thinking how it would be possible to reach a point where writing by people
and procedural writing are considered to have equal value. For this reason the thesis is set in a
posthuman context, where the differences between machines and people are erased.
The thesis uses practice to inform an original conceptual space model, based on quality dimensions
and dynamic-inter operation of spaces. This model gives an example of the procedures which a
posthuman creative writer uses when engaged in creative styling. It suggests an original formulation
for the conceptual blending of conceptual spaces, based on the casting of qualities from one space to
another. In support of and informing its arguments are ninety-nine examples of creative writing
practice which show the procedures by which style has been applied, created and assessed. It provides
a route forward for further joint research into both computational and human-coded creative writing
Archaeological palaeoenvironmental archives: challenges and potential
This Arts and Humanities Research Council (AHRC) sponsored collaborative doctoral project represents one of
the most significant efforts to collate quantitative and qualitative data that can elucidate practices related to
archaeological palaeoenvironmental archiving in England. The research has revealed that archived
palaeoenvironmental remains are valuable resources for archaeological research and can clarify subjects that
include the adoption and importation of exotic species, plant and insect invasion, human health and diet, and
plant and animal husbandry practices. In addition to scientific research, archived palaeoenvironmental remains
can provide evidence-based narratives of human resilience and climate change and offer evidence of the
scientific process, making them ideal resources for public science engagement. These areas of potential have
been realised at an imperative time; given that waterlogged palaeoenvironmental remains at significant sites
such as Star Carr, Must Farm, and Flag Fen, archaeological deposits in towns and cities are at risk of decay due
to climate change-related factors, and unsustainable agricultural practices. Innovative approaches to collecting
and archiving palaeoenvironmental remains and maintaining existing archives will permit the creation of an
accessible and thorough national resource that can service archaeologists and researchers in the related fields
of biology and natural history. Furthermore, a concerted effort to recognise absences in archaeological
archives, matched by an effort to supply these deficiencies, can produce a resource that can contribute to an
enduring geographical and temporal record of England's biodiversity, which can be used in perpetuity in the
face of diminishing archaeological and contemporary natural resources.
To realise these opportunities, particular challenges must be overcome. The most prominent of these include
inconsistent collection policies resulting from pressures associated with shortages in storage capacity and
declining specialist knowledge in museums and repositories combined with variable curation practices. Many of
these challenges can be resolved by developing a dedicated storage facility that can focus on the ongoing
conservation and curation of palaeoenvironmental remains. Combined with an OASIS + module designed to
handle and disseminate data pertaining to palaeoenvironmental archives, remains would be findable,
accessible, and interoperable with biological archives and collections worldwide. Providing a national centre for
curating palaeoenvironmental remains and a dedicated digital repository will require significant funding.
Funding sources could be identified through collaboration with other disciplines. If sufficient funding cannot be
identified, options that would require less financial investment, such as high-level archive audits and the
production of guidance documents, will be able to assist all stakeholders with the improved curation,
management, and promotion of the archived resource
SCENARIO DEVELOPMENT FOR URBAN WATER MANAGEMENT PLANNING FOR UNCERTAINTY
The urban water sector is confronted with a multitude of challenges. Rapid population growth, changing political landscapes, aging water infrastructures, and the worsening climate crisis are creating a range of uncertainties in the sector around managing water. Scenarios have been used extensively in the environmental domain to plan for and capture uncertainties to develop plausible futures, including the field of urban water management. Scenarios are key in enabling plans and creating roadmaps to attain desired futures. Despite the advantages and opportunities that scenarios offer for planning, they also have limitations; generally, and within the urban water space. Firstly, the growing uncertainty surrounding urban water management systems necessitates a focused review specifically aimed at the use of scenarios in urban water management. This thesis presents a systematic review to empirically investigate the crucial dimensions of urban water scenarios. Through this review, key knowledge gaps are highlighted, and recommendations are proposed to address these gaps. Secondly, scenarios often depict distressing, almost dystopian futures. Though negative future visions help understand the consequences of present trends and aid in anticipating imminent threats, the limited exploration of positive future visions can make it challenging to find the direction to transform. Optimistic scenarios delve into what people want for the future and capture how their aspirations shape them. Imagining positive visions encourage innovative thinking, creates agency, and creates pathways to desired futures. There is therefore a recognition to move towards more positive, desirable futures. This thesis uses a narrative, participatory scenario process, the SEEDS method, to develop positive visions of urban water futures. The Greater Sydney region in New South Wales, Australia is used as a case study to evaluate the applicability of this approach for urban water management. The urban water sector in the Greater Sydney region faces a multitude of challenges including impacts from climate change, managing diverse water supply sources, and meeting future water demand. These challenges create an increasingly uncertain future for the water sector, where the scale and nature of water services needed in the Greater Sydney region can be unclear. Hence, the Greater Sydney region is selected as the case study region to apply the SEEDS method and develop scenarios for urban water management to plan for future uncertainties. Thirdly, only a few scenario studies include surprises, the unexpected events, which make scenarios useful for planning. Challenges around capturing surprises in scenarios include a lack of structured approaches as well as a lack of evaluation of those methods that have been developed. This thesis discusses the effectiveness and suitability of various surprise methods for scenario development. These methods have been applied in the context of the SEEDS method for urban water management. Finally, there is a lack of evaluation of the tools used to cope with surprises as well as a lack of evaluation efforts of urban water management scenario studies. The assessment of the SEEDS approach for urban water management as well as the different surprise methods for scenario development requires evaluation criteria. This thesis develops and presents an evaluation criteria list based on existing literature that captures key criteria required for adequate assessment of the surprise methods and the scenario process. This thesis contributes to the fields of scenario development and urban water management, and the use of surprises within scenarios. Critical gaps in existing urban water management scenario practices are highlighted and key recommendations are proposed to fill the gaps. Through the pilot study and full-scale implementation of a positive-visioning, narrative-based scenario approach - the SEEDS method, the thesis demonstrates that the SEEDS method is applicable for urban water planning and shows potential for use at different stages of water planning. The positive visions generated through the SEEDS method highlight fundamental aspirations for the urban water sector, possible challenges, and conflicts, and discuss pathways to achieve positive future visions. By using in-situ experimentation and engaging participants with expertise in the relevant field, this thesis provides a realistic evaluation of the scenario process and surprise methods. This thesis thus fills the critical gap about the lack of evaluation in urban water management scenario processes by assessing the scenario method using selected evaluation criteria. Further, the thesis contributes towards the development of quality surprise methods through application and evaluation, thus addressing the gap about the lack of evaluation of the methods used to explore surprise events. Finally, the lack of surprises in scenarios is addressed by presenting different methods that can be used to explore surprise events. Guidance is provided to researchers working with scenario development to understand the different surprise methods available and for choosing the appropriate method(s) to plan for uncertain futures
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