Counting the drops – SA’s water resource assessment project completed

Abstract

Water resource management Counting the drops – SA’s water resource assessment project completed Each water resource assessment study builds on the technology and knowledge gained from the one that preceded it. The latest study, which covers South Africa, Lesotho and Swaziland, builds on the previous assessment (WR2005) by using updated and new data and information as well as new tools and technology. A significant feature of WR2012 is the fact that, for the first time, a publicly-accessible water resources website was created ( which allows for Web-based and interactive reporting on both surface and groundwater. The website contains all the GIS maps, WRSM/ Pitman (previously known as WRSM2000 or the Pitman catchment model) and other hydrological models, time series data, spreadsheets and WRSM/Pitman associated networks containing all data. This is a big step forward for water resource practitioners. GIS maps Rainfall, runoff, water quality (in terms of total dissolved solids), WRSM/Pitman calibration parameters, land use and population maps have all been updated in the WR2012 study.

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