May-June 2019

GIM International May-June 2019

This issue of GIM International has a focus on land administration, reflected by an interview with Professor Christiaan Lemmen and an overview article on geomatics and land administration written by our senior editor, Mathias Lemmens. The illustration on the front cover of the magazine shows a cadastral map of Aarle-Rixtel, a village in the Dutch province of North Brabant. 

This edition of our magazine contains the following articles:

- Geospatial Data in Support of 3D Cadastre
- High-quality Aerial Imagery Helps to Unlock 5G Networks 
- Interview: Prof Christiaan Lemmen (Standards Are a Great Help for Establishing Land Administration)
- Towards Cadastral Intelligence?
- Building a 3D Virtual Forest 
- Land Administration Census: A Plea for a Bottom-up, Brute-force Solution

Interview with Professor Christiaan Lemmen

Professor Christiaan LemmenIn 2017 Dr Christiaan Lemmen, a former contributing editor of GIM International, was appointed as professor of land administration modelling at Twente University’s Faculty ITC for Geo-Information Science and Earth Observation. He is the leading designer of the ISO 19152 international standard for geographic information – Land Administration Domain Model (LADM), the second edition of which has been in development since 2018. In this interview, he discusses the importance of LADM standards, poverty and tenure security, and the long and winding road to put well-functioning land administration into place in developing countries. Read on...

3D Cadastre

Geospatial Data in Support of 3D CadastreThe urbanization trend is leading to an increasing number of people living in cities, thus also placing new demands on cadastral registration. To be able to register the complex infrastructures and built-up areas properly, the cadastre will need to consider the third spatial dimension. The 3D cadastre is based on 3D parcels (spatial units) which are single volumes (or multiple volumes) of space. Although the technology offers numerous possibilities for implementation of the 3D cadastre, there are still some open issues, as this article explains. Read on...

Aerial Imagery and 5G Networks

High-quality Aerial Imagery Helps to Unlock 5G NetworksTelecom-munication operators are working at full speed to bring a 5G network to life in the early 2020s. Most operators are currently at the signal propagation planning stage and are defining optimal locations for the network nodes. Although widely used for the planning of 3G/4G networks, digital surface models generated from satellite images are insufficient for 5G antenna positioning. Another source, with required high-resolution data, is now available for the USA and large parts of Europe and Canada. Read on...

Land Administration Census: A Plea for a Bottom-up, Brute-force Solution

Land Administration CensusThe battle against poverty in developing countries has always been associated with the issue of land. Since the turn of the millennium, the focus has been on facilitating the official registration of land rights by the poor and the vulnerable. Many countries in sub-Saharan Africa still lack a well-functioning land administration system, notwithstanding many dedicated aid programmes. Such programmes were designed by Western institutions and often copied Western land administration architectures. In this article, the author advocates a bottom-up approach using census-taking as a paradigm. First the capabilities of advanced technologies are identified, then the way aid is brought to the vulnerable is explored and lastly an approach based on conducting population and housing censuses in sub-Saharan Africa is considered. Read on...

 
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