Modelling sea water intrusion in coastal aquifers using heterogeneous computing

The objective of this PhD research program is to investigate numerical methods for simulating variably-saturated flow and sea water intrusion in coastal aquifers in a high-performance computing environment. The work is divided into three overlapping tasks: to develop an accurate and stable finite volume discretisation and numerical solution strategy for the variably-saturated flow and salt transport equations; to implement the chosen approach in a high performance computing environment that may have multiple GPUs or CPU cores; and to verify and test the implementation. The geological description of aquifers is often complex, with porous materials possessing highly variable properties, that are best described using unstructured meshes. The finite volume method is a popular method for the solution of the conservation laws that describe sea water intrusion, and is well-suited to unstructured meshes. In this work we apply a control volume-finite element (CV-FE) method to an extension of a recently proposed formulation (Kees and Miller, 2002) for variably saturated groundwater flow. The CV-FE method evaluates fluxes at points where material properties and gradients in pressure and concentration are consistently defined, making it both suitable for heterogeneous media and mass conservative. Using the method of lines, the CV-FE discretisation gives a set of differential algebraic equations (DAEs) amenable to solution using higher-order implicit solvers. Heterogeneous computer systems that use a combination of computational hardware such as CPUs and GPUs, are attractive for scientific computing due to the potential advantages offered by GPUs for accelerating data-parallel operations. We present a C++ library that implements data-parallel methods on both CPU and GPUs. The finite volume discretisation is expressed in terms of these data-parallel operations, which gives an efficient implementation of the nonlinear residual function. This makes the implicit solution of the DAE system possible on the GPU, because the inexact Newton-Krylov method used by the implicit time stepping scheme can approximate the action of a matrix on a vector using residual evaluations. We also propose preconditioning strategies that are amenable to GPU implementation, so that all computationally-intensive aspects of the implicit time stepping scheme are implemented on the GPU. Results are presented that demonstrate the efficiency and accuracy of the proposed numeric methods and formulation. The formulation offers excellent conservation of mass, and higher-order temporal integration increases both numeric efficiency and accuracy of the solutions. Flux limiting produces accurate, oscillation-free solutions on coarse meshes, where much finer meshes are required to obtain solutions with equivalent accuracy using upstream weighting. The computational efficiency of the software is investigated using CPUs and GPUs on a high-performance workstation. The GPU version offers considerable speedup over the CPU version, with one GPU giving speedup factor of 3 over the eight-core CPU implementation.

Qualitative criminology : Stories from the field

Qualitative researchers in the discipline of criminology perform a wide range of challenging tasks. They interview prisoners, police officers, magistrates and judges. They speak with survivors of domestic violence, and drink tea with the mothers of murdered children. They observe courts and communities, investigate the decision-making processes of juries and immerse themselves in the data they collect. They ask ‘big’ questions – ‘how do we criminalise the producers of toxic toys?’ – as well as ‘little’ questions – ‘what should I wear to conduct this interview?’ Qualitative Criminology: Stories from the Field brings to life the stories behind the research of both emerging and established scholars in Australian criminology. The book’s contributors provided honest, reflective, and decidedly unsanitised accounts of their qualitative research journeys - the lively tales of what really happens when conducting research of this nature, the stories that often make for parenthetical asides in conference papers but tend to be excised from journal articles. This book considers the gap between research methods and the realities of qualitative research. As such, it aims to help researchers and students who conduct qualitative criminological research reflect upon their role as researchers, and the practical, ideological and ethical issues which may arise in the course of their research. It is also a call to criminologists to make public the ‘failures’ and missteps of their research endeavours so that we can learn from one another and become better informed and more reflexive qualitative criminologists.

A Worthwhile Exchange - a Guide to Indigenous Philanthropy: research findings and success stories from philanthropy supporting Aboriginal and Torres Straight Islander People.

The Guide includes research findings from the Australian Centre for Philanthropy and Non Profit Studies at the Queensland University of Technology (QUT). This research probed the experiences of fourteen Indigenous people who have had different degrees of success in seeking funding from philanthropic organisations. This research shows how grantmakers can make a significant difference in the lives of Aboriginal and Torres Strait Islander people.

Sun, sea, sex, sand and soap

A recent issue of Young People Now (November 1995) mentioned the new (UK) Channel 4 television soap opera Hollyoaks by Phil Redmond, which raises the issue of the role of ‘soaps’ in the daily lives of young people. Australian soaps are especially popular in Britain and of interest to those who work with young people, because they have a high proportion of youthful looking actors and actresses and frequently depict scenes involving young people and apparent ‘real’ teenage dilemmas.

Folk opera : stories crossing borders in Papua New Guinea

The Life Drama project is a drama-based sexual health promotion project, developed by a cross-cultural research team in Papua New Guinea (PNG) over the past four years. Recognising the limitations of established theatre-in-education and theatre-for-development approaches when working across cultures, the research team explored ways of tapping into the everyday performativity of PNG participants and their communities in order to communicate more powerfully about the personal and social issues involved in sexual health. Through the Folk Opera form, developed by PNG theatre company Raun Raun Theatre around the time of national Independence, the research explored the importance of ‘story’ in identity formation, maintenance and change, the communication of meaning, and the transmission of tacit local knowledges. In a highly diverse and rapidly-changing country like PNG, enacted stories inherently compel the exchange and exploration of different knowledges, and promote the dialogue and ownership that drives social change. The paper will present and unpack the folk opera form as developed in the Life Drama program, drawing conclusions which may apply to other programs which to promote health and social justice across cultures.

Sun, sea, sex, sand and conservatism in the Australian television soap opera

A recent issue of Young People Now (November 1995) mentioned the new (UK) television soap opera Hollyoaks by Phil Redmond, which raises the issue of the role of ‘soap operas’ (hereafter referred to as soaps) in the daily lives of young people. The term ‘soap’ originates with the sponsorship of radio and television programmes by companies such as Proctor and Gamble who in America in 1932 used a daytime radio domestic comedy, The Puddle Family to advertise Oxydol, a washing powder. The first British television soap was The Grove Family (BBC 1954-7) was followed by Emergency Ward Ten (ATV 1957-67), Coronation Street (Granada Television 1960-present) and Eastenders (BBC 1985-present). Australian soaps are especially popular in Britain and of potential interest to those who work with young people, because they have a high proportion of youthful looking actors and actresses and frequently depict scenes involving young people and apparent ‘real’ teenage dilemmas. On one level it may be commendable that actors who are young(ish) somewhere between the ages of 14 and 25 play roles that are ostensibly about young people and their alleged problems. However, the casting of young, largely unknown, actors reflects more the political economy of soaps in their relative cheapness and dispensability, rather than any genuine attempt to create an oppositional text for, about and by young people (Paterson 1986).

Folk opera : stories crossing borders in Papua New Guinea

The Life Drama project is a drama-based sexual health promotion project, developed by a cross-cultural research team in Papua New Guinea (PNG) over the past four years. Recognising the limitations of established theatre-in-education and theatre-for-development approaches when working across cultures, the research team explored ways of tapping into the everyday performativity of PNG participants and their communities in order to communicate more powerfully about the personal and social issues involved in sexual health. Through the Folk Opera form, developed by PNG theatre company Raun Raun Theatre around the time of national Independence, the research explored the importance of "story" in identity formation, maintenance and change, the communication of meaning, and the transmission of tacit local knowledges. In a highly diverse and rapidly-changing country like PNG, enacted stories inherently compel the exchange and exploration of different knowledges, and promote the dialogue and ownership that drives social change. The paper will present and unpack the Folk Opera form as developed in the Life Drama program, drawing conclusions which may apply to other programs which to promote health and social justice across cultures.

Stories into games (Workshops and digital work)

In the summer of 2012 - 2013, the State Library of Queensland invited us to run a number of workshops for younger participants as part of the Garage Gamer program. The brief was very much about the local games industry and the SLQ community, the core concept was about participant contribution. The 'Stories into Games' series of workshops ran across three Saturdays (January 5 - March 2). The workshops were aimed at younger audiences (ages 6-12) and the concept was to engage this group with games as game makers and designers, rather than players. Each session saw a group of participants create a shared story, illustrate the story and then make game assets and objects out of their illustrative work. These were then put into a raw framework created in the Unity Game Engine so that the stories could be played.

Past 140-year environmental record in the northern South China Sea : evidence from coral skeletal trace metal variations

About 140-year changes in the trace metals in Porites coral samples from two locations in the northern South China Sea were investigated. Results of PCA analyses suggest that near the coast, terrestrial input impacted behavior of trace metals by 28.4%, impact of Sea Surface Temperature (SST) was 19.0%, contribution of war and infrastructure were 14.4% and 15.6% respectively. But for a location in the open sea, contribution of War and SST reached 33.2% and 16.5%, while activities of infrastructure and guano exploration reached 13.2% and 14.7%. While the spatiotemporal change model of Cu, Cd and Pb in seawater of the north area of South China Sea during 1986–1997 were reconstructed. It was found that in the sea area Cu and Cd contaminations were distributed near the coast while areas around Sanya, Hainan had high Pb levels because of the well-developed tourism related activities.

Litigating law of the sea disputes using the UNCLOS Dispute Settlement System

The interpretation and application of the United Nations Convention on the Law of the Sea (UNCLOS) may be the source of many disputes. UNCLOS introduced an à la carte menu for dispute settlement with a number of options for international dispute resolution, including a compulsory procedure entailing binding decisions. While drafting this ambitious and complex system of dispute settlement, the drafters had to negotiate many delicate compromises to secure a system for the uniform interpretation of the Convention. The aim of this paper r is to explore why litigation using the UNCLOS dispute settlement system is, or is not, a preferred mode of settlement for law of the sea disputes.

Recovering from the earthquake : early childhood teachers and children collaboratively telling stories about their experiences

Purpose – Traumatic events can cause post-traumatic stress disorder due to the severity of the often unexpected events. The purpose of this paper is to reveal how conversations around lived experiences of traumatic events, such as the Christchurch earthquake in February 2011, can work as a strategy for people to come to terms with their experiences collaboratively. By encouraging young children to recall and tell of their earthquake stories with their early childhood teachers they can begin to respond, renew, and recover (Brown, 2012), and prevent or minimise more stress being developed. Design/methodology/approach – The study involved collecting data of the participating children taking turns to wear a wireless microphone where their interactions with each other and with teachers were video recorded over one week in November 2011. A total of eight hours and 21 minutes of footage was collected; four minutes and 19 seconds of that footage are presented and analysed in this paper. The footage was watched repeatedly and transcribed using conversation analysis methods (Sacks, 1995). Findings – Through analysing the detailed turn-taking utterances between teachers and children, the orderliness of the co-production of remembering is revealed to demonstrate that each member orients to being in agreement about what actually happened. These episodes of story telling between the teachers and children demonstrate how the teachers encourage the children to tell about their experiences through actively engaging in conversations with them about the earthquake. Originality/value – The conversation analysis approach used in this research was found to be useful in investigating aspects of disasters that the participants themselves remember as important and real. This approach offers a unique insight into understanding how the earthquake event was experienced and reflected on by young children and their teachers, and so can inform future policy and provision in post-disaster situations.

Facilitating local stories in post-disaster regional communities : evaluation in narrative-driven oral history projects

Cyclone Yasi struck the Cassowary Coast of Northern Queensland, Australia, in the early hours of February 3, 2011, destroying many homes and property, including the destruction of the Cardwell and district historical society’s premises. With their own homes flattened, many residents were forced to live in mobile accommodation, with extended family, or leave the area altogether. The historical society members seemed, however, particularly devastated by their flattened foreshore museum and loss of their precious collection of material. A call for assistance was made through the Oral History Association of Australia’s Queensland branch (OHAA Qld), which along with a Queensland University of Technology (QUT) research team sponsored a trip to best plan how they could start to pick up the pieces to rebuild the museum. This chapter highlights the need for communities to gather, preserve and present their own stories, in a way that is sustainable and meaningful to them – whether that be because of a disaster, or as they go about life in their contemporary communities – the key being that good advice, professional support and embedded evaluation practices at crucial moments along the way can be critically important.

It's just an old apron : aprons, artefacts and art - representations of personal and private 'her-stories', as public histories

This paper examines art and artefact in the representation and recollection of deeply personal WWII women’s experiences as POW’s under the Japanese. This kind of treatment of internees in the Tjideng Women and Children’s internment camp (and others) in Batavia under the Japanese in WWII, stands in stark and brutal contrast to the idyllic life lived by many families up to that time in what was then known as the Dutch East Indies (Indonesia). The deprivation and brutality of the Japanese incarceration of these women and children evoked responses - not military, but certainly militant, if muted. Representations of those responses – as both art and artefact - may be found in the most unlikely places and unexpected forms - and are still being unearthed to this day. However close we might personally be to these artists and artisans, can we, as observers from a distance, ever truly comprehend through spoken or written words alone, the day-today realities of those extraordinary times?

Body stories

This research is in the field of arts education. Eisner claims that ‘teachers rarely view themselves as artists’ (Taylor, 1993:21). Situating professional dance artists and teacher-artists (Mc Lean, 2009) in close proximity to classroom dance teachers, spatially, through a shared rehearsal studio and creatively, by engaging them in a co-artistry approach, allows participants to map unique and new creative processes, kinaesthetically and experientially. This pratice encourages teachers to attune and align themselves with artists’ states of mind and enables them to nurture both their teacher-self and their artist-self (Lichtenstein 2009). The research question was: can interactions between professional dance artists, teacher-artists (Mc Lean, 2009) and classroom dance teachers change classroom dance teachers’ self-perceptions? The research found that Artists in Residence projects provide up-skilling in situ for classroom dance teachers, and give credence to the act of art making for classroom dance teachers within their peer context, positively enhancing their self-image and promoting self-identification as ‘teacher-artists’ (Mc Lean, 2009). This project received an Artist in Residence Grant (an Australia Council for the Arts, Education Queensland and Queensland Arts Council partnership). The research findings were chosen for inclusion in the Queensland Performing Arts Complex program, Feet First: an invitation to dance, 2013 and selected for inclusion on the Creative Campus website, http://www.creative-campus.org.uk.

Broadcasting digital stories on Australian community television : the Digistories Anthology

Community-based arts and media movements have been intsrumental in building population-wide creative capacity for cultural development, social participation and social transformation in many parts of the world. Digital storytelling is a form of media practice that was pioneered in the United States at the intersection of these movements. It is described here as a ‘co-creative’ media production method. This description aims to differentiate the approaches to collaborative content creation that are used in community cultural development (CCD) and community media movements from those valued in professional and consumer modes of media production. Yet, the products of co-creative practices, such as digital stories, do not circulate widely through existing media networks or through the newer social media networks that Australian CCD and community media movements anticipated by at least twenty years. The complex politics of story ownership are one of a number of factors that often render ‘publication’ a secondary consideration in the making of digital stories. The possibility of ‘downstream’ use and re-use of stories in other networks is not usually considered in initial planning and development processes. As landmark projects such as Capture Wales indicate, even where stories are made for broadcast outcomes, television can be a problematic window for exhibiting digital stories. Scepticism about the brave new world of reality television and user generated content also circulates in digital storytelling networks, especially when it comes to ethical concerns for managing the risks of harm associated with widespread distribution of digital stories to indiscriminate publics. This publication reports on a collaborative action research project that took a closer look at some of the constraints relating to the problems of re-purposing digital stories for television. It focussed on ‘best practice’ for managing the risks of harm to storytellers in the process of re-purposing digital stories for broadcast on community television.