Author:Van Zyl, TDate:Oct 2012The paper presents the problems associated with current geographic information system (GIS) and the need for their integration with other specialised tooling such as statistics in R or matrix algebra of Octave. The authors take the stance ...Read more
Author:Le Maitre, David C; Van Wilgen, BW; Richardson, DMDate:1993Managers of natural areas require a wide variety of up-to-date and accurate information and maps to manage their lands effectively. This paper reviews the objectives of conservation management, and the problems faced by mountain catchment ...Read more
Author:Veramoothea, P; Breytenbach, Andre; Baloyi, EDate:Aug 2015The built environment consists of various land uses and activities connected by a road network. The efficiency and effectiveness of the road network directly impacts economic growth and societal movement. This study involved the functional ...Read more
Author:Villholth, KG; Tøttrup, C; Stendel, M; Maherry, ADate:Jun 2013Groundwater drought denotes the condition and hazard during a prolonged meteorological drought when groundwater resources decline and become unavailable or inaccessible for human use. Groundwater drought risk refers to the combined physical ...Read more
Author:Cooper, Antony K; van Rooyen, MH; Clarke, DG; Liebenberg, ECDate:Sep 1987Geographically referenced (geo-referenced) information consists of all information that refers to the man-environment system and that can be localized in space and time. The basic entity of geo-referenced information is the feature, which has ...Read more
Author:Fairbanks, DHKDate:Jul 2000In an effort to develop more holistic ecosystem approaches to resource assessment and management, landscapes need to be stratified into homogeneous geographic regions. These regions can then be used in a monitoring framework to develop reliable ...Read more
Author:Sililo, OTN; Conrad, JE; Dohse, TE; Tredoux, G; Du Plessis, MHDate:15 Jan 2001A procedure is presented for deriving qualitative contaminant attenuation maps from available soils information. Unfortunately, in South Africa, no soil map with national coverage exists at a scale larger than 1:2 500 000. However, 1:250 000 ...Read more
Author:Schmitz, P; Scheepers, L; de Wit, PWC; De la Rey, ADate:Sep 2007Spatial data such as roads and land parcels is increasingly becoming a commodity that is being created with the aim to sell or to provide spatial information to other institutions for further processing or to decision makers to aid in their ...Read more
Author:Schmitz, PDate:Sep 2008One of the challenges according to Dangermond (1999) and Tomlinson (2000) for GIS units in the 21st century is to be able to manage themselves successfully in order to deliver the right product at the right time to the right customer. Tomlinson ...Read more