40 research outputs found
Land tenure and housing: a policy framework for meeting the needs of Indigenous Australians living in remote communities
This thesis presents a policy framework for improving outcomes for remote Indigenous land tenure and housing policy in Australia. The framework is developed from an analysis of related policies and programs in several pioneer settler societies with similar historical characteristics to Australia. The number of pioneer settler societies in the world is small. Originating in the 16th through 18th centuries, these societies grew out of European colonization practices that displaced indigenous societies, and made indigenous people a minority in their own land. The four societies examined in this thesis are Australia, Canada, New Zealand, and The United States of America. This thesis is presented in three parts. Part 1 (Chapters 1-3) scopes the problem being addressed in this thesis: the gap(s) in well being between Indigenous and Non-Indigenous people as measured by indicators of wellbeing such as housing, health, education, and employment. These quality of life gaps can be seen as the result of two inadvertent and compounding impacts on indigenous people from colonial dispossession: 1) removal of livelihoods through a lack of access to land-based resources, and 2) loss of cultural identity I caused by being separated from the land Elements of successes in different pioneer settler societies are later used to formulate a framework for improved land tenure and housing policy outcomes for remote Indigenous Australia. Part 1 also presents an overview of the research design used in the case studies of ! the four pioneer settler societies. Part 2 (Chapters 4-7) presents the case studies of indigenous housing and land tenure in the four pioneer settler societies. The policy factors that are analyzed illustrate the various methods used by governments in an attempt improve Indigenous quality of life. Part 3 (Chapters 8-10) draws upon the data in the four case studies to develop a policy framework for use in Australia. Chapter 8 presents a meta-analysis of the four case studies, which identifies a wide range of lessons potentially relevant to Australian context from the other three nations. Similarities and differences in policy approaches and outcomes for pioneer settler societies are identified, compared, and contrasted. A synthesis of the lessons from the meta-analysis is used to identify two themes and eight 'building blocks' to frame policymaking. These themes are: 'Experiencing the Land and People', and The Policy Process These 'building blocks' and principles can make sure that the actors, activities and practices used in the policymaking process facilitate the exchange of relevant information, redress potential conflict and maximize opportunities for collaboration among stakeholders in policymaking. The framework for policymaking is an insightful tool for making sense of the complexities associated with particular policy decisions, thus expediting improved policy outcomes on land tenure and housing issues. As such, the policy 'building blocks' and supporting principles provide a road map for developing a policy framework that can bridge 'the gap' in well being between Indigenous and Non-Indigenous people
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Variable Energy 2-MeV S-Band Linac for X-ray and Other Applications
This paper describes the design and operation of a compact, 2-MeV, S-band linear accelerator (linac) with variable energy tuning and short-pulse operation down to 15 ps with 100-A peak current. The design consists of a buncher cavity for short-pulse operation and two coupled resonator sections for acceleration. Single-pulse operation is accomplished through a fast injector system with a 219-MHz subharmonic buncher. The machine is intended to support a variety of applications, such as x-ray and electron beam diagnostic development, and recently, electron diffraction studies of phase transitions in shocked materials
Three-photon detachment of electrons from the fluorine negative ion
Absolute three-photon detachment cross sections are calculated for the
fluorine negative ion within the lowest-order perturbation theory. The Dyson
equation of the atomic many-body theory is used to obtain the ground-state 2p
wavefunction with correct asymptotic behaviour, corresponding to the true
(experimental) binding energy. We show that in accordance with the adiabatic
theory (Gribakin and Kuchiev 1997 {Phys. Rev. A} {\bf 55} 3760) this is crucial
for obtaining absolute values of the multiphoton cross sections. Comparisons
with other calculations and experimental data are presented.Comment: 10 pages, two figures, Latex, IOP styl
Observation of full ponderomotive shift for the photodetachment threshold in a strong laser field
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Isotope shift in the electron affinity of chlorine
The specific mass shift in the electron affinity between ^{35}Cl and ^{37}Cl
has been determined by tunable laser photodetachment spectroscopy to be
-0.51(14) GHz. The isotope shift was observed as a difference in the onset of
the photodetachment process for the two isotopes. In addition, the electron
affinity of Cl was found to be 29138.59(22) cm^{-1}, giving a factor of 2
improvement in the accuracy over earlier measurements. Many-body calculations
including lowest-order correlation effects demonstrates the sensitivity of the
specific mass shift and show that the inclusion of higher-order correlation
effects would be necessary for a quantitative description.Comment: 16 pages, 6 figures, LaTeX2e, amsmat
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High Bandwidth Data Recording Systems for Pulsed Power and Laser Produced Plasma Experiments.
We present two high bandwidth data transmission and recording systems for the measurement of transient signals during pulsed power and laser produced plasmas. These systems use fiber optic cables to transmit analog data over long distances to high bandwidth digitizing oscilloscopes. One system is based on the direct modulation of a laser diode and has a bandwidth of 1.5 GHz. The other system is based upon a fiber-optic Mach-Zehnder modulator and has a bandwidth of 12 GHz, and is limited by the photo receiver. The signals are recorded on commercial digitizing oscilloscopes that have approximately 6 effective bits. The transmission systems use many off-the-shelf components from the telecommunications industry and thus have a high reliability and a moderate cost. Results from recent measurements will be presented. Investigation of the reduction in optical transmission by the fibers during exposure to high dose radiation will also be discussed