Opportunities
Browse government tenders, quotations, vacancies and documents across South Africa.
Showing opportunities with a recorded closing date that has not passed. Choose another status to browse historical records.
The article 'An approach to the mathematical expression of recession curves' by Petras I appears in Water SA Vol. 12 No. 3 of July 1986 and can be viewed or downloaded as a PDF.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
The article 'A biological process for sulphate removal from industrial effluents' by Maree JP, Gerber A and Strydom WF is listed in Water SA Vol. 12 No. 3 of July 1986 and can be viewed or downloaded as a PDF from the archive page.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
The second sludge dewaterability article by Smollen M, on sludge characterisation and behaviour in terms of SRF and CST parameters, appears in Water SA Vol. 12 No. 3 of July 1986 and can be viewed or downloaded as a PDF.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
The Afrikaans article on modelling groundwater levels in the Grootfontein compartment in the Western Transvaal, by van Tonder GJ, Janse van Rensburg H, Botha JF and Bredenkamp DB, is listed in Water SA Vol. 12 No. 3 of July 1986 and can be viewed or downloaded as a PDF.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
The article 'The Hybrid Method for seasonal streamflow forecasting' by Phien HN and Wei-Haw J, listed in Water SA Vol. 12 No. 3 of July 1986, can be viewed or downloaded as a PDF from the Water Research Commission's Water SA archive page.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
The first sludge dewaterability article by Smollen M, comparing specific resistance to filtration with capillary suction time, appears in Water SA Vol. 12 No. 3 of July 1986 and can be viewed or downloaded as a PDF.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
The article 'The Palmiet Estuary: A model for water circulation using salinity and temperature measurements over a tidal cycle' by Taljaard S, Eagle GA and Hennig HFKO, from Water SA Vol. 12 No. 3 of July 1986, can be viewed or downloaded as a PDF from the archive page.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
The Afrikaans article on an electronic flow-through meter for irrigation water based on a plate nozzle, by Wessels WPJ and Steyn WH, appears in Water SA Vol. 12 No. 3 of July 1986 and can be viewed or downloaded as a PDF.
- Who it is for:
- readers and researchers using the Water SA archive
- How to act on it:
- Go to the Water SA Vol. 12 No. 3, July 1986 page and use the 'View PDF' or 'Download' link next to the article.
A research article from Water SA Vol. 10 No. 2, April 1984, by Phien HN and Jivajirajah T, that fits annual rainfall and annual streamflow data using two transformed gamma distributions. The full article is available from the Water Research Commission's Water SA archive as a PDF to read online or download.
- Who it is for:
- readers and researchers interested in water science and hydrology
- How to act on it:
- Open the Water SA Vol. 10 No. 2, April 1984 page and select 'View PDF' to read the article or 'Download' to save it
A technical discussion article by Hughes DA and Guthrie BK on the continuous monitoring of rainfall, published in Water SA Vol. 10 No. 2, April 1984. The full article is available as a PDF to view online or download from the Water Research Commission archive.
- Who it is for:
- readers and researchers interested in rainfall measurement and hydrology
- How to act on it:
- Open the Water SA Vol. 10 No. 2, April 1984 page and select 'View PDF' or 'Download' next to the article title
A research article by Kelbe BE on cumulus cloud characteristics of the Eastern Transvaal Lowveld, published in Water SA Vol. 10 No. 2, April 1984. The full article is available as a PDF to read online or download from the Water Research Commission archive.
- Who it is for:
- readers and researchers interested in meteorology and water science
- How to act on it:
- Open the Water SA Vol. 10 No. 2, April 1984 page and select 'View PDF' or 'Download' next to the article title
An article by Kruger EJ and Polling L reporting first attempts at artificial breeding and larval rearing of the butter catfish, published in Water SA Vol. 10 No. 2, April 1984. The full article is available as a PDF to read online or download from the Water Research Commission archive.
- Who it is for:
- readers and researchers interested in fish biology and aquaculture
- How to act on it:
- Open the Water SA Vol. 10 No. 2, April 1984 page and select 'View PDF' or 'Download' next to the article title