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Water Research Commission publication

Water Research CommissionRef: https://www.wrc.org.za/water-sa-issue/05-no-4-october-1979/

Official source

Source domain: wrc.org.za

Collected on 17 September 2026

Always confirm details on the official source before acting.

What this means

This is the Water Research Commission's website page for Volume 5, Number 4 of its journal Water SA, dated October 1979. It lists the six articles in that issue, each with its authors and 'View PDF' and 'Download' links, and points to an archive of all Water SA issues. The rest of the page is the WRC's site navigation, showing its research, programmes, procurement, media and contact information, including its Tshwane address and telephone number. Nothing is being applied for, decided or closed here; it is a back-issue contents page offering free access to the published articles.

What this document offers

Read out of this document by Govermate's AI, in its own words. Each one quotes the line it came from — confirm on the official source before acting.

open-access journal article (PDF)Ongoing

Gas concentrations and ages of groundwaters in Beaufort Group Sediments, South Africa

A research article by Heaton THE and Vogel JC on gas concentrations and the ages of groundwaters in Beaufort Group Sediments in South Africa, published in Water SA Vol. 5 No. 4 of October 1979. The PDF is available to view or download.

Who it is for
groundwater and water-resource researchers and scientists
How to act on it
Open the article on the Water SA issue page and click 'View PDF' or 'Download'.
Show the line this came from
Gas concentrations and ages of groundwaters in Beaufort Group Sediments, South Africa Heaton THE, Vogel JC View PDF
open-access journal article (PDF)Ongoing

The significance of the mean velocity gradient and its calculation in devices for water treatment

A research article by Polasek P on the significance of the mean velocity gradient and how it is calculated in devices used for water treatment, published in Water SA Vol. 5 No. 4 of October 1979. The PDF is available to view or download.

Who it is for
water treatment engineers and scientists
How to act on it
Open the article on the Water SA issue page and click 'View PDF' or 'Download'.
Show the line this came from
The significance of the mean velocity gradient and its calculation in devices for water treatment Polasek P View PDF
open-access journal article (PDF)Ongoing

An improved weighing lysimeter facility for citrus evapotranspiration studies

A research article by Green GC and Bruwer W on an improved weighing lysimeter facility used for citrus evapotranspiration studies, published in Water SA Vol. 5 No. 4 of October 1979. The PDF is available to view or download.

Who it is for
agricultural and irrigation researchers and water scientists
How to act on it
Open the article on the Water SA issue page and click 'View PDF' or 'Download'.
Show the line this came from
An improved weighing lysimeter facility for citrus evapotranspiration studies Green GC, Bruwer W View PDF
online journal back-issue archiveOngoing

All Water SA issues

An archive link giving access to every issue of Water SA published by the Water Research Commission, of which Vol. 5 No. 4 of October 1979 is one.

Who it is for
anyone looking for past issues of the journal Water SA
How to act on it
Click the 'All Water SA issues' link on the Water SA Vol. 5 No. 4, October 1979 page.
Show the line this came from
All Water SA issues
free back-issue of a research journal available for online reading and PDF downloadOngoing

Water SA Vol. 5 No. 4, October 1979

The full October 1979 issue of the Water Research Commission's journal Water SA is made available online, containing six articles on water and sanitation science. Each article is listed with its authors and a 'View PDF' link and a 'Download' link so anyone can read or save a copy at no charge. There is no deadline or application; the issue stays available on the website and the page also links to the archive of all Water SA issues.

Who it is for
anyone interested in water research and science - researchers, engineers, students and water-sector professionals
How to act on it
Go to the Water SA Vol. 5 No. 4, October 1979 page on the Water Research Commission website and click 'View PDF' or 'Download' next to any of the six articles; the 'All Water SA issues' link leads to the wider back-issue archive.
Show the line this came from
Vol. 5 No. 4, October 1979 October 1, 1979 · 6 articles All Water SA issues
open-access journal article (PDF)Ongoing

Disinfection of sewage sludge with gamma radiation

A research article by Melmed LN and Comninos DK on disinfecting sewage sludge using gamma radiation, published in Water SA Vol. 5 No. 4 of October 1979. The PDF can be viewed online or downloaded free of charge.

Who it is for
water and sanitation researchers, engineers and scientists
How to act on it
Open the article on the Water SA issue page and click 'View PDF' or 'Download'.
Show the line this came from
Disinfection of sewage sludge with gamma radiation Melmed LN, Comninos DK View PDF — Disinfection of sewage sludge with gamma radiation
open-access journal article (PDF)Ongoing

The placing of the disinfection stage in a reclamation plant to reduce Haloform formation

A research article by Hart OO on where the disinfection stage should be placed in a water reclamation plant in order to reduce haloform formation, published in Water SA Vol. 5 No. 4 of October 1979. The PDF is available to view or download.

Who it is for
water treatment and reclamation engineers and scientists
How to act on it
Open the article on the Water SA issue page and click 'View PDF' or 'Download'.
Show the line this came from
The placing of the disinfection stage in a reclamation plant to reduce Haloform formation Hart OO View PDF
open-access journal article (PDF)Ongoing

Investigations into the effects of volume of water flow, quality of feed and type of feeding on the production of the Aischgrund Common Carp, Cyprinus Carpio in circular concrete ponds under high stocking density rates

A research article by Brandt De W F and Schoonbee HJ on how water flow, feed quality and feeding type affect production of the Aischgrund Common Carp in circular concrete ponds at high stocking densities, published in Water SA Vol. 5 No. 4 of October 1979. The PDF is available to view or download.

Who it is for
aquaculture and fisheries researchers and water scientists
How to act on it
Open the article on the Water SA issue page and click 'View PDF' or 'Download'.
Show the line this came from
Investigations into the effects of volume of water flow, quality of feed and type of feeding on the production of the Aischgrund Common Carp, Cyprinus Carpio in circular concrete ponds under high stocking density rates Brandt De W F, Schoonbee HJ View PDF

Facts

Places

City of Tshwane, Gauteng

Reference

https://www.wrc.org.za/water-sa-issue/05-no-4-october-1979/

Key Takeaways

  • Water SA Vol. 5 No. 4, October 1979
  • October 1, 1979
  • 6 articles
  • Water Research Commission (WRC)
  • Melmed LN
  • Comninos DK
  • Heaton THE
  • Vogel JC
  • Brandt De W F
  • Schoonbee HJ
  • Hart OO
  • Green GC
  • Bruwer W
  • Polasek P
  • 1609 Michael Thackeray Street, The Innovation Hub, Persequor, Tshwane 0020
  • +27 12 761 9300
  • View PDF / Download links per article
  • All Water SA issues
  • Water Research Commission
  • Metsi (WRC AI Assistant)
  • Melmed LN
  • Comninos DK
  • Heaton THE
  • Vogel JC
  • Brandt De W F
  • Schoonbee HJ
  • Hart OO
  • Green GC
  • Bruwer W
  • Polasek P