In January 2017, the CGA provided a 2 m-resolution Stellenbosch University digital elevation model (SUDEM) (“Level 3 product”) of the Berg River and the surrounding area of Paarl for a pilot project modelling flood lines in Paarl with an Integrated Water Platform approach. “These flood lines are reliable due to the accuracy [...]
The CGA would like to say farewell to GIS & Earth Observation Specialist Gerhard Myburgh, who is leaving to take up a position as a GIS Programmer at Optron (PTY) Ltd. It has been a great pleasure working with Gerhard and the CGA would like to thank him for his time and [...]
On-line registration for our short courses is now open. Click here to register and avoid disappointment*. Scheduled courses: Introduction to Geographical Information Systems (GIS) 08 May – 12 May 2017 & 16 October – 20 October 2017 Introduction to Earth Observation (Remote Sensing) 14 August – 18 August 2017 & 13 November – 17 [...]
The CGA is proud to congratulate three of its staff members on their recent graduations. Jacques Vermeulen (right) obtained a National Diploma in Cartography and GIS from the Cape Peninsula University of Technology (CPUT), while a Postgraduate Diploma in Civil Engineering: Geotechnical Engineering was conferred on Naajidah Lagardien (middle). Jascha Muller’s (left) research on the [...]
Changes in surface water area of Voëlvlei Dam near Gouda from October 2016 to 22 March 2017 as represented by a normalized difference moisture index (NDMI). The images, captured by the Sentinel-2 satellite, show relative moisture levels with dark blue representing wet areas (water) and red/orange shades representing dry areas. Voëlvlei Dam is one [...]
In September 2016, Stellenbosch Municipality and the Centre for Geographical Analysis (CGA) at Stellenbosch University embarked on a collaborative effort to share GIS data and services. As part of this collaboration, a comprehensive land audit for all properties within the Stellenbosch Municipal Area will be carried out. Phase 1 of this project commenced [...]
The CGA, in partnership with eLEAF ®, Agricultural Research Council, GeoTerra Image and several independent consultants, is currently carrying out research funded by the Water Research Commission (WRC) and the Department of Agriculture, Forestry and Fisheries (DAFF) to estimate the total water used by irrigated agriculture. Earth observation data (e.g. satellite imagery) is [...]
Trimble Navigation Limited, the owners and developers of geographic object-based image analysis (GEOBIA) software eCognition Developer, eCognition Essentials and eCognition Server, has appointed the Centre for Geographical Analysis (CGA) of Stellenbosch University (SU) as an innovation partner in their Trimble Imaging Innovation Program. The first agreement of this type in South Africa, the [...]
We are excited about the successful launch of the Sentinel-2B satellite which will join Sentinel-2A to provide us with a 5 day revisiting period. Check it out: Sentinel-2B is the second satellite in the Sentinel-2 mission for Europe’s Copernicus environment monitoring programme. Designed as a two-satellite constellation – Sentinel-2A and -2B – the Sentinel-2 [...]
The CGA, in collaboration with the Department of Civil Engineering at Stellenbosch University, recently completed a web mapping project for the Provincial Government of the Western Cape (PGWC) relating to accident hotspots on provincial roads. The aim was to integrate data on road conditions and characteristics provided by PGWC’s Road Network Information System (RNIS) [...]