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20 March 2018 Photo Pexels
Water footprint important but misunderstood indicator
Water footprinting is the future of water conservation
The Water Footprint (WF) of a product, process or person provides an indication of how much fresh water is used, both direct and indirect, to produce a product, drive the process or lead a lifestyle. Although it is a very important indicator it is often misunderstood. Popular media contribute to this misunderstanding as they often use the WF to illustrate the large quantities of water used to produce a product without explaining what the footprint actually means.  

An example is a single kilogram of beef that has an average global WF 15 415 litres. This indeed sounds scary, but when one places it in context, the total WF includes 14 414 litres green water, 550 litres blue water and 451 litres grey water. Green water is the evapotranspiration of precipitation (rain), blue water is the fresh water from dams, rivers and underground sources, while grey water is the amount of fresh water required to dilute polluted water to acceptable levels.

According to Frikkie Maré, a lecturer at the Department of Agricultural Economics at the University of the Free State (UFS), the WF concept provides a new look at water conservation and sustainability. “Although the WF is not an indicator of sustainable water use, it is a useful tool to calculate total water demand and is used in the estimation of sustainability. Traditionally, water conservation was focused on the direct water use of individuals (time taken to shower, leaking taps etc.), but the WF now provides a tool to focus attention on total water demand.”

The Water Footprint Network assists individuals with this new trajectory on the water conservation front with the personal water footprint calculator that allows individuals globally to determine their personal water demand through their direct and indirect water usage. Maré believes this can cause the necessary paradigm shift in the aqua status quo by creating awareness among consumers on their total water demand.

With Water Week underway from 17-23 March 2018, UFS students and staff members are urged to make use of the personal water footprint calculator in order to become aware of the real importance of fresh water in our everyday lives.

News Archive

PSP allows Dr Thom Wium to develop as an academic
2016-12-26

Description: Matildie PSP Tags: Matildie PSP 

For Dr Matildie Thom Wium, the
rewarding part of teaching is “the
moments of synergy with a group of
students” and when she senses that she
could, for instance, help them to better
understand a music selection.
Photo: Sonia Small

Being part of the Vice-Chancellor’s Prestige Scholars Programme (PSP) has opened doors for Dr Matildie Thom Wium. She is able to better plan her research, and the overseas trips she has to undertake for this helps to develop her skills.

The senior lecturer in the Odeion School of Music (OSM) at the University of the Free State (UFS) says these are some of the advantages the PSP holds for her.

She attended two international conferences this year – in London in January, and in New York in August. Furthermore, she is working on musical analysis with Prof Timothy Jackson at the University of North Texas, US from 12 September 2016 to 31 December 2016. Prof Jackson is a research professor and was one of her PhD promoters.

Conferences contribute to her vision
“I think the PSP is a fantastic initiative,” says Dr Thom Wium, whose husband Daniël Wium is a lecturer in Astrophysics at the UFS. She says the reseach support from the PSP is amazing. “In addition, the writing retreats offered by the PSP help to set time aside during the busy semester to work on articles.”

“I think the PSP is a fantastic initiative.”

The conference in London was on operatic practice in the 19th century. In the US, Dr Thom Wium, who has been working at the UFS since 2007, also participated in a panel discussion on this topic. “It means a lot for my vision as an academic to participate in conferences where I have the opportunity to meet and exchange thoughts with the people whose work I read and cite.”

Involvement in SA equally important
However, she believes that it is equally important to stay involved locally. At the conference of the South African Society for Research in Music, which was hosted by the OSM from 25 to 27 August 2016, she presented a paper on composer Arnold van Wyk and performed a song cycle by him. She did research on Van Wyk for her PhD.

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