Mobile scanning for stockpile volume reporting

by André Oberholzer, EPA Survey The versatility and speed of mobile lidar scanning as well as its ability to survey large and difficult areas has seen the technology being used extensively on mines for stockpile volume reporting. This article compares mobile laser scanning with conventional methods and highlights the advantages of employing a mobile lidar […]

Satellite for early fire detection

by Robert Sanders, University of California As firefighters emerge from another record wildfire season in the Western United States, University of California, Berkeley, scientists believe it is time to give them a 21st century tool: a fire-spotting satellite. Such a satellite could view the Western states almost continuously, snapping pictures of the ground every few […]

Using geospatial analysis to support targeted sales strategies

by Judy Cronje and Chris Davies, TNS TNS South Africa, one of the world’s largest insight, information and consultancy groups, was recently approached by a prominent South African business to investigate the purchase specific incidence of their product versus that of their competitor to gain insight into areas where marketing could be more impactful. A […]

A pro-poor land adjudication procedure for communal land

  by Edward Kurwakumire, Tshwane University of Technology Current studies within the land administration domain require that all sorts of rights whether formal or informal be registered. This is in line with pro-poor land management practices in which the poor and people dwelling in communal areas are often excluded from the formal land administration system. […]

Land tenure administration and GIS: trends and challenges

by Dr. Michael Barry, University of Calgary, Canada The article describes the current state of the GIS market and some of the major trends in land tenure administration. While GIS has become a multi-billion dollar market, the majority of land interests around the world are yet to be recorded. The article describes some of the […]

Probabilistic graphical models for feature-based detection

by Wisdom Dlamini, Swaziland National Trust Commission This article describes the use of probabilistic graphical models, in particular Bayesian networks (BN), for the detection of four problem invasive alien plants, Chromolaena odorata, Eucalyptus grandis, Lantana camara, and Pinus patula from 8-band WorldView-2 satellite imagery acquired over two characteristically different sites in Swaziland. Download the PDF

Target audiences, media and messages for SDI training

by Victoria Rautenbach and Serena Coetzee, University of Pretoria; Julian Smit, University of Cape Town; Heindrich du Plessis, Department of Rural Development and Land Reform; and Ivan Farayi Muzondo, Tshwane University of Technology This article aims to report on research conducted to identify the different target audiences and corresponding SDI education and training media and […]

GNSS applications for agricultural practices

by Guy Blanchard Ikokou, University of Cape Town   Global positioning systems are relatively new technologies when it comes to applications in agriculture. Applications in tractor guidance, variable rate supply of chemical inputs and field monitoring of crop yield were recently tested using GPS. This article studies the basic concepts of GPS as they apply […]

GOCE mission comes to an end

Information from European Space Agency After nearly tripling its planned lifetime, the Gravity field and steady-state Ocean Circulation Explorer – GOCE – has completed its mission and disintegrated on its reentry to Earth’s atmosphere. Dubbed the “Ferrari of space” because of its sleek, aerodynamic design, the European Space Agency’s GOCE has mapped variations in Earth’s […]

Vehicle tracking trial results for SBAS in South Africa

Information from SANSA The SATSA (SBAS Awareness and Training for South Africa) project was established to facilitate SBAS (satellite based augmentation system) deployment in South Africa by increasing technological navigation capacity in the region. During the course of the project, three trials were conducted to evaluate SBAS applications using a test platform to produce realistic […]