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Browsing by Author "Smit, Julian"

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A pluralistic, socio-ecological approach to understand the long-term impact of mountain conservation: a counterfactual and place-based assessment of social, ecological and hydrological change in the Groot Winterhoek Mountains of the Cape Floristic Region

Author: Holden, Petra Brigitte Date: 2018 The problem: For protected areas to remain relevant, we need to understand their impact on a wide set of conservation objectives and environmental outcomes. We also need to evaluate how this influence relates to the socio-ecological environment ... Read more
A settlement-level perspective of the spatial relationship between economic performance and population change in South Africa between 2001 and 2011

Author: Arnold, Kathryn Anne Date: 2021 Migration has long been an important phenomenon shaping the demographic profile of South Africa, and migration and labour are often considered to be intrinsically linked. The push–pull theory of migration, which still tends to dominate ... Read more
A technique for optimal selection of segmentation scale parameters for object-oriented classification of urban scenes

Author: Ikokou, Guy Blanchard ; Smit, Julian Date: 2013 Multi-scale image segmentation produces high level object features at more than one level, compared to single scale segmentation. Objects generated from this type of segmentation hold additional attributes such as mean values per spectral ... Read more
A way to use GIS (incl. geomasking) to understand homelessness: a focus on the spatial characteristics of and around sleeping locations of the homeless in Cape Town City Bowl

Author: Kekana, Dime Date: 2020 Background: The homeless individuals/groups are the most vulnerable and less dignified member of the society. The evidences lie in the nature of their sleeping locations in the urban spaces, amongst other aspects. An internationally unique ... Read more
Creating 3D models of cultural heritage sites with terrestrial laser scanning and 3D imaging

Author: Held, Christoph Date: 2012 The advent of terrestrial laser-scanners made the digital preservation of cultural heritage sites an affordable technique to produce accurate and detailed 3D-computermodel representations for any kind of 3D-objects, such as buildings, ... Read more
Developing an accurate close-range photogrammetric technique for extracting 3D information from spherical panoramic images

Author: Tagoe, Naa Dedei Date: 2017 Panoramic images (panoramas) are wide-angle images that provide fields of view of up to 360°. They are acquired with a specialised panoramic camera or by stitching a series of images captured with a conventional digital camera. Panoramas have ... Read more
Development of a land use-based spatial water requirements model for the Berg Water Management Area

Author: Van Der Walt, Marthinus Date: 2017 This study was conducted to investigate the requirements for the spatial modelling of current and future water demand in the Berg River Water Management Area in the Western Cape of South Africa in order to produce a prototype model from which ... Read more
The development of a method for semi-automatic classification of built-up areas from aerial imagery

Author: Duncan, Patricia Date: 2013 It is essential for geospatial and mapping organisations that changes to the landscapeare regularly detected and captured, so that map databases can be updated. The Chief Directorate of National Geospatial Information (CD: NGI), South Africa’s ... Read more
Evaluating the performance of multi-rotor UAV-Sfm imagery in assessing simple and complex forest structures: comparison to advanced remote sensing sensors

Author: Onwudinjo, Kenechukwu Chukwudubem Date: 2021 The implementation of Unmanned Aerial Vehicles (UAVs) and Structure‐from‐Motion (SfM) photogrammetry in assessing forest structures for forest inventory and biomass estimations has shown great promise in reducing costs and labour ... Read more
Flood modelling using data available on the Internet

Author: Pretorius, M J Date: 2011 The aim of this study was to determine if sufficient data at no charge is available on the Internet to use as input to a free and open source hydrological model for use in a flood monitoring system. As such, the monitoring system would be ... Read more
GIS-based analysis of spatial accessibility : an approach to determine public primary healthcare demand in metropolitan areas

Author: Mokgalaka, Hunadi Date: 2015 It is important for health planners to provide health services as effectively and equitably as possible for the development of quality living environments. The provision of adequate healthcare services, particularly in metropolitan areas, is ... Read more
GIS-based decision support approach for selecting a new landfill site for the city of Cape Town

Author: Kimani, Gichobi Justin Date: 2006 Recent studies indicate that the population of Cape Town generates approximately 2.2 milliontons of waste annually. Numerous waste minimization strategies have been developed whichhave not been successful in reducing the amount that needs to ... Read more
GIS-Based Site Suitability Analysis for Wind and Solar Photovoltaics Energy Plants in Central North Region, Namibia

Author: Kamati, Klaudia Date: 2023 Increasing urbanisation and population growth are making it difficult for governments to achieve sustainable development. Provision of clean energy is among the seventeen sustainable development goals, as it reduces reliance on fossil fuels. ... Read more
Incorporating local participation and GIS in assessing flood vulnerability in informal settlements : Masiphumelele case study

Author: Tyler, Rebecca Date: 2011 The case study applies a GIS-based methodology to assess the vulnerability of Masiphumelele, to both wetland flooding and coastal storm surges. This informal settlement, south of Cape Town has rapidly expanded since its inception 20 years ... Read more
The integration of Geographical Information Systems with multicriteria decision making techniques to improve poverty eradication planning

Author: Daniels, Roger Hubert Date: 2014 Poverty eradication as a policy issue has received significant attention since the promulgation of the South African National Development Plan (NDP). The NDP envisages that by 2030 poverty should be eradicated. To do this government must ... Read more
Investigating methodologies for evaluating the effectiveness of Integrated Spatial Information System (ISIS) implementation in the valuation department of the City of Cape Town

Author: Leponesa, Mphepelo Mabesa Date: 2014 The increasing need to develop fully integrated spatial information systems that help improve planning and decision making have led the countries to create partnerships as to facilitate the improved sharing of spatial data and to realise the ... Read more
A new trajectory for spatial data infrastructure evolution in the developing world

Author: Makanga, Prestige Tatenda Date: 2010 Spatial Data is a key resource in the development of cities. There is a lot of socio-economic potential that is locked away in spatial data holdings and this potential is unlocked by making the datasets widely available for use. Spatial Data ... Read more
A participatory GIS approach to flood risk assessment of informal settlements the case of Cape Town

Author: Musungu, Kevin Date: 2012 Rural-urban migrations have contributed to the steady increase in the population of Cape Town. Many of the migrants have settled in informal settlements because they cannot afford to rent or buy decent housing. Many of these settlements are ... Read more
Remote sensing for detecting rapid post-fire recovery as Groundwater-Dependent Ecosystems in the Cape Floristic Region

Author: Chenge, Simcelile Date: 2021 Groundwater Dependent Ecosystems (GDEs) concentrate high levels of biodiversity and several species not found anywhere else. They prevail in the landscape through the ecological contribution of groundwater. They, GDEs, are vulnerable to drastic ... Read more
Remote sensing of water stress in fynbos vegetation

Author: Beckett, Heath Date: 2010 I aim to determine whether or not remote sensing, through multispectral, satellite and digital photography, is a feasible and accurate method for determining drought stress in Fynbos vegetation. I hypothesize that (1) water stress in fynbos ... Read more

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