An inorganic water chemistry dataset (1972-2011) of rivers, dams and lakes in South Africa
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Date
2013Author
Huizenga, Jan Marten
Dennis, Rainier
Dennis, Ingrid
Silberbauer, Michael
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A national dataset of inorganic chemical data of surface waters (rivers, lakes, and dams) in South Africa is presented and
made freely available. The dataset comprises more than 500 000 complete water analyses from 1972 up to 2011, collected
from more than 2 000 sample monitoring stations in South Africa. The dataset includes the major ion chemical composition
and numerous calculated variables that can, amongst others, be used to determine accuracy of the analysis. The methods
described here have potential for improving quality control measures in water chemistry laboratories by detecting anomalous
samples. The processed data are available in Excel spreadsheets and can be downloaded from the website of the Centre
for Water Science and Management based at the North-West University (www.waterscience.co.za/waterchemistry/data.html)