Infrastructure Engineering - Research Publications

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    Establishing coordinated cadastres: Australian experiences
    Williamson, Ian P. ( 1996)
    Australian cadastral systems have been strongly influenced by the historical settlement of the Australian states and territories. An important consequence is that no cadastral office was ever established and as a result a coordinated cadastre never developed. Departments of Lands or Surveyors General departments administered the ever decreasing Crown lands as a result of rapid alienation, as well as the jurisdictions' surveying and mapping infrastructure. As a result Australia lacked a European style cadastral office providing a complete cadastral record which could be used for land administration purposes. Land Titles Offices historically had the responsibility for all freehold or private lands, which now comprise the vast majority of land parcels in the states. These Offices have been responsible for examining all cadastral surveys and ensuring appropriate regulations for such surveys, however they have only ever been concerned with individual transactions in support of an efficient land market. The maintenance of the cadastral map for each jurisdiction however has usually remained under the control of the Surveyor General or in recent years a geographic information coordination agency. Increasingly the title register in each jurisdiction is including all Crown and government lands and is assuming the role of a European cadastre, albeit the cadastral index has legal significance since it is based on actual land titles. Due to computerisation of the titles register and the establishment of digital cadastral data bases (DCDB), the trend in Australia is for the textual and spatial components of the cadastre to come together technically and administratively. This has allowed Australian jurisdictions for the first time to have a complete cadastral record to support land administration. The resulting model has permitted Australia to move from a land administration structure that was conceptually well behind that of most developed and many developing countries to a position at the forefront of developments due to innovation and computerisation. The development of coordinated cadastres formed by upgrading the now complete DCDBs in Australia is the key in the future improvement of Australia's cadastral systems. This paper reviews this development and shows how the Australian systems differ from their European counterparts. It concludes by attempting to describe a future conceptual model for an Australian state wide geographic information system based on a legal cadastre. Australian states and territories are well advanced to achieving this vision.
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    A land information vision for Victoria
    WILLIAMSON, IAN ( 1996)
    Objective: To develop a vision and milestones to achieve the vision, for the use and management of land parcel related spatial data (here after termed land information) in Victoria in ten years. While the primary focus of the vision is on land parcel data, the vision recognises that to be useful and effective, land parcel data needs to be integrated with or utilise other appropriate components of the State's digital map base (SDMB), and particularly the topographic data. This vision must complement the other visions being prepared by the Victorian Government as part of the development of a holistic vision for the management of spatial information in Victoria. The other visions include: • Environment and Heritage • Industry Development • Socio-Economic Planning • Intermodal Transport • Emergency Response
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    Appropriate cadastral systems
    WILLIAMSON, IAN ( 1996)
    Cadastral systems are not ends in themselves and support effective land markets, increased agricultural productivity, sustainable economic development, environmental management, political stability and social justice, although it is absolutely essential that each cadastral system is designed appropriately to serve the needs of the individual country.
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    Understanding cadastral maps
    WILLIAMSON, IAN ; ENEMARK, STIG ( 1996)
    Cadastral maps are generally regarded as an essential part of the land management infrastructure in most countries yet there is often misunderstanding about their characteristics and role. Due to the vast range of different cadastral systems and resulting cadastral maps, it is very difficult to describe a “typical” cadastral map. It is the authors’ view that it is also very difficult, if not impossible, to understand the characteristics and functions of a cadastral map without understanding the respective cadastral system. As a result this paper endeavours to examine the characteristics and functions of cadastral maps by examining the cadastral mapping systems in Denmark and Australia. The Danish system is a typical “old world” European system which had its history in land taxation. The Australian systems could be considered “new world” systems which have been more heavily influenced by land market considerations. Even though the Australian and Danish cadastral systems are very similar, understanding the characteristics and functions of cadastral maps in the two systems remains difficult. This study discusses the different characteristics of cadastral maps which have been designed for different users or functions. In particular the paper concentrates on the issues concerned with developing digital multi-purpose cadastral maps. The major conclusions from the paper are that the creation and maintenance of multi-purpose digital cadastral maps is a difficult and complex task. This complexity arises to a large degree because the characteristics of a cadastral map designed to serve traditional land markets or land registration purposes are quite different from the characteristics of a modern multi-purpose cadastral map.
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    Appropriate cadastral systems
    Williamson, Ian P. ( 1996)
    This paper discusses the role of cadastres in developing countries, reviews why cadastral systems have become much more important in the eyes of policy makers over the last ten years, particularly in developing worlds, and finally highlights some important lessons arising from establishing cadastral systems in developing countries over the past decade.
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    The justification of cadastral systems in developing countries
    Williamson, I. P. ( 1997)
    This paper provides a justification for cadastral systems in developing countries. The paper commences with a brief overview of cadastral systems and argues that the debate about such systems should move from whether cadastral systems are important or appropriate for developing countries, to what constitutes an appropriate cadastre for such countries. The paper reviews the reasons for the dramatic increase in interest in cadastral systems over the last decade and highlights some of the lessons and current challenges facing policy makers in the design of appropriate cadastral systems. The role of cadastral systems in both urban and rural situations is considered. In rural areas the paper argues that a secure title is important: in promoting increased investment in agriculture; for more effective husbandry of the land; for improved sustainable development; to support an increase in GNP through an increase in agricultural productivity; and providing significant social and political benefits leading to a more stable society, especially where land is scarce. In densely populated rural areas or areas of high value a cadastral system also permits an effective land market to operate and allows an equitable land taxation system to operate. In urban areas it argues that a cadastral system is essential to support an active land market by permitting land to be bought, sold, mortgaged and leased efficiently, effectively, quickly and at low cost. In addition it argues that a parcel based land information system (not necessarily computerised), based on the cadastre, is essential for the efficient management of cities. Cadastral systems permit land taxes to be raised thereby supporting a wide range of urban services, and allowing the efficient management and delivery of local government services. In promoting the importance of cadastral systems in developing countries, the paper draws heavily on the experiences of the World Bank, the Food and Agriculture Organization of the United Nations (FAO), the United Nations Centre for Human Settlements (Habitat) and several recognised authorities. The paper also argues that an effective cadastral system is important for the support of sustainable economic development and environmental management within the context of Agenda 21 as agreed at the United Nations Conference on Environment and Development (UNCED) in Brazil in 1992. The paper then reviews the trend for cadastral and land information systems to be increasingly justified on rigorous economic grounds, both in the developed and developing worlds. Finally, the paper emphasises that cadastral systems must be appropriate to the circumstances and needs of the individual country, otherwise the cadastral system can do more harm than good!
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    Using the case study methodology to review cadastral reform in Papua New Guinea
    Iatau, Mary D. ; Williamson, Ian P. ( 1997)
    Cadastral reform is generally considered to be complex, costly, high risk, time consuming and often difficult to introduce. This paper reviews the use of a case study methodology to assess its effectiveness in understanding such reforms. Current cadastral reform in Papua New Guinea is used in this paper as an example to evaluate the methodology. Case studies in two different provinces are described to highlight PNG's social, political, economic and cultural background and to assess the performance of recent cadastral reform initiatives, particularly with regard to the registration of customary land.
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    The future of the surveying profession: an Australian perspective
    Williamson, Ian P. ( 1997)
    The surveying profession is currently facing the biggest challenge in its modern history. Rapid technological change, micro-economic reform, de-regulation of the professions, and the Internet are placing pressures on traditional professional operations and structures never previously experienced. Yet issues of environmental degradation, sustainable development, the management of our cities and economic rationalism are presenting opportunities and challenges to our profession never thought possible. Issues central to our profession such as cadastral reform and spatial data infrastructures are grabbing the attention of policy makers as they realise their importance in economic development, environmental management and social stability. Can the surveying profession survive these changes and what does the future hold? This paper endeavours to seek answers to these questions by looking at the past, endeavouring to understand the present and trying to look into the future. The paper focuses on the Australian surveying profession while recognising that many of the issues discussed are relevant to other countries.
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    Adverse possession of Torrens land: Parliamentary inquiry strays out of bounds
    PARK, MALCOLM ; TING, LISA ; WILLIAMSON, IAN ( 1998-12)
    Current Australasian (including Victorian and NSW) schemes regarding adverse possession of land are reviewed in light of a Victorian Parliamentary committee Fences Act inquiry report, due shortly, which may recommend adoption of NSW practice with respect to adverse possession.
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    Development of spatial data infrastructures: lessons learnt from the Australian digital cadastral databases
    Williamson, Ian P. ; Chan, Tai On ; Effenberg, Wolfgang ( 1998)
    Over the last few years governments at state and national levels have given much attention to spatial data infrastructures (SDIs). The development of SDIs is driven by the business needs of and technological developments to support both the government and the rapidly expanding spatial information industry amid myriads of political decisions. The growth in SDIs in many developed countries worldwide is paralleled by a move to economic rationalism and micro-economic reform, both of which have had a major impact on the role of spatial data infrastructures. This paper uses the State of Victoria as a typical case to analyse the interaction of the forces that have shaped the development of SDIs in Australia, particularly the critical digital cadastral databases (DCDB), and to highlight some generic trends and lessons learnt in managing SDIs in the context of economic rationalism.