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From Cathedral Peak to your tap: the role of mountains in providing water

05 July 2022 | Story Mandi Smallhorne

Why mountain research matters

“I don’t think South Africa is prepared for the possibility of a Gauteng Day Zero drought,” said Professor Francois Engelbrecht, director of the Global Change Institute at the University of the Witwatersrand.

Professor Engelbrecht was a keynote speaker at a session of the Southern African Mountain Conference 2022, held in the Drakensberg in mid-March this year and supported by, among others, the Afromontane Research Unit at the University of the Free State (UFS). The session, hosted by international network, GEO Mountains, looked at Long-term monitoring activities and associated data availability for climate change-related applications across Africa’s mountains: status quo and next steps.

The professor went on to say we came very, very close in the 2015-2016 drought, when the Vaal Dam dropped to 25% of capacity. Had it dropped just a bit more, to 20%, the most densely populated province in South Africa, our economic hub, would have been in serious trouble, as there would have been too little water to enable pumping the last dregs into the province.

What’s the link between a Day Zero event in Gauteng and data about mountain environments?

Think of the water towers that dot the Highveld landscape in Gauteng, very visible to residents of the suburbs. Mountains can be seen as massive ‘water towers’ that provide water to people hundreds, even thousands, of kilometres from their foothills. As Dr James Thornton of GEO Mountains, co-host of the session, explained, mountains provide a flow of ecosystem services; water provision is just one of them, but it is of critical importance. “The mountains are crucial for this, due to the orographic enhancement of precipitation.” The shape and topography of mountains (their orography), forces moist air upwards into cooler air at higher elevations – an effect called ‘orographic uplift’ – so that vapour held in the air condenses into water.

So as moisture-laden air sweeps in from the warm Indian Ocean to the east of us, it encounters the upward thrust of the long Drakensberg chain of mountains, from the Eastern Cape through Lesotho and KwaZulu-Natal and on, up to the Wolksberg Mountains in Limpopo. The upward movement of the air into colder regions triggers precipitation – rain, mist, sometimes snow.

And that moisture, falling on the soil and rocks in cool mountain air, is also less likely to evaporate and return rapidly to the atmosphere, as it might do on the coastal plains and lowlands.

The result? The most obvious consequence is waterfalls glittering in the mountain cliffs and swollen streams rushing down the slopes. Look at maps and you’ll see rivers springing from mountain sources everywhere in the world, like the Tugela heading east and the Orange flowing west from the Drakensberg in South Africa and Lesotho, or the Ganges and Indus rising in the Himalayas and the Rhine and Rhône rising in the Alps.

Mountain water also seeps into the ground, making its way through soil and rocks and recharging the groundwater within and beyond the mountains and their foothills. This recharge of the water table from high up in the mountains also contributes to streams and rivers that supply so much of our water needs, scientists have shown.

Mountain water in Gauteng

Gauteng residents are well aware of the role of the Vaal River in the Vaal Water Supply System, but do we understand just how much of our water originates in the Drakensberg? According to the Water Research Commission “transfers from the Maloti Drakensberg (34.4%) and the Northern Drakensberg SWSA (18.9%)” are critical to our water supply. That’s a little more than half our water in Gauteng coming from the Drakensberg.

Engelbrecht and his co-authors wrote a few years ago: “Except for the Southern Cape, the Drakensberg is the single most important source of water in Southern Africa and supplies regions where the bulk of the population resides.” (The Drakensberg Escarpment as the Great Supplier of Water to South Africa, S.J. Taylor, et al, in Developments in Earth Surface Processes Volume 21, Mountain Ice and Water, Investigations of the Hydrologic Cycle in Alpine Environments.) But, they added, due to population growth and other pressures, “In South Africa, it is now expected that demand for water will exceed supply by 2025 if nothing is done to supplement current water resources.”

That in itself is reason enough to focus on monitoring our mountains, and to support scientists observing and gathering data there. But add that to Professor Engelbrecht’s prediction that “multiyear El Nino-type droughts may plausibly occur from the mid-century (2030-2060) onwards” due to the climate change crisis, and it’s clear that we desperately need to understand the detail of how our mountains provide us with water; we urgently need to understand what is changing in the mountains.

Research matters

The ongoing and rapid changes we’re seeing in these very sensitive environments, from changing precipitation patterns, to changing land-use, to increases in population, is why we really need to “monitor and track these changes, to understand the biophysical processes and their interaction with society, and to be able to better estimate the chance, for instance, of future extreme droughts on a more local scale so we can develop measures for mitigation and adaptation,” said Dr Thornton. Better management of upstream water resources – such as the massive ‘water tower’ in the Drakensberg and elsewhere – is one tactic we should be vigorously pursuing.

There is a paucity of data about our precious mountainous areas across the world, but especially in Africa, and one of the messages of this workshop and of the conference as a whole was the importance of not just doing the monitoring and gathering of data, but making it readily accessible to all.

Dr Susan Janse van Rensburg (of the South African Environment Observation Network or SAEON, a national facility of the National Research Foundation) spoke about the in situ environmental monitoring that is being done in important mountain areas, including Cathedral Peak, the heart of the Central Drakensberg where the conference was being held. She introduced SAEON’s new Data Portal for researchers to access and share data about mountains – and not just in South Africa, but across the whole continent.

Omar Seidu gave a presentation on an initiative called Digital Earth Africa which collates and curates satellite data – including data on mountains. And GEO Mountains itself runs inventories which “seek to identify, link up, and make accessible existing data and information resources across the world’s mountains”.

“We’re trying to make it straightforward for researchers on the ground to make their datasets available to anybody if they choose to do so,” said Dr Thornton.

Research, observations and data-gathering on the ground (and from satellites) is the foundation for intelligent analysis, which results in solid evidence that can guide policymakers and the public to make the best choices. Mountains, our water towers, have perhaps not been enough of a focus for society in the past; information about their vital role in something as basic as water provision, and better understanding of the processes that furnish us with water, will surely help us to both mitigate and adapt to a future in which water scarcity looms so large.

News Archive

Questions about racial integration in residences answered

2007-07-31

Answers to frequently asked questions about the racial integration of student residences at the UFS

1. Why does the UFS want to change the current situation in the student residences?

There are many reasons why a new approach to placement in the student residences is necessary. However, the main reason is of an educational nature. As a university, the UFS should create an environment in its residences where students can learn to appreciate and respect the rich diversity that is on offer at the university. A university accommodates students from many different backgrounds in terms of race, language, religion, economic status, culture and other aspects. If a student can learn to appreciate the value in this rich diversity at university, he or she will also be able to appreciate the value of this diversity in the workplace and broader society.

The current situation of predominantly white and predominantly black residences has not been able to cultivate such an appreciation for diversity and respect for one another as human beings, and will not equip students with the knowledge and skills required to manage diversity.

Besides this, there are many other areas of life in the residences that need attention. For one, we need to urgently establish a human rights culture in the residences so that the rights of all students can be respected. We need to address the abuse of alcohol, provide disabled students with their rightful place, and last but not least, really entrench a culture of learning in student residences.

Let us make the residences places we can be proud of – places of learning, of diversity, of respect; places of growth and development. This is the ideal we should all strive to achieve.

2. Why does the management want to force us to integrate?

It is a false argument to debate the issue in terms of “force”. Any decision by a University, or any other organisation, regarding matters of policy, rules and regulations implies a restriction on the choice of an individual and an obligation to comply. What we should focus on is whether this decision of the Council is in the best interests of our students.

The management of the university believes that it has a responsibility to give students the best education possible, not only in terms of what you learn in the lecture rooms, but especially in the residences as well. The residences can be very powerful places of learning about matters of great importance, both academic and non-academic.

The parallel-medium language policy separates students into largely white/Afrikaans and black/English classes. Efforts are being made to bridge this divide in the classroom, but we can also try to eliminate it in the residences.

The university is committed to building a new culture for the entire institution that is based on values and principles – such as an academic culture, non-racialism, respect for human rights and diversity – among staff and students.

In the context of student residences, the application of these values and principles still allows substantial room for the voluntary exercising of choice by individuals as well as by Residence Committees, notably with regard to the placement of students (they can still place 50 percent of first-year students), as well as the determination of the future character and traditions of a diverse residence.

Furthermore, students can still choose their residences (subject to availability of places), can choose a roommate, and so forth.

3. What about freedom of association?

The rights we enjoy in a democracy must be balanced against other rights, as well as the laws of the country. This means that the right to freedom of association must be balanced against laws that make it illegal to discriminate against other people on the basis of race, language or religion, for instance.

Freedom of association pertains to the right of individuals to form voluntary organisations such as clubs or private boarding houses, or their right to join or not join existing organisations. You exercise that right when you decide to become a student of the UFS, and again when you choose to live in one of its residences.

However, once you have decided to join an organisation voluntarily, you cannot subsequently demand that that organisation should provide a “club” or residence to your liking where, for instance, you only associate with your choice of co-members. You must accept the policies of that organisation.

In any case, how would that right of yours be balanced against the right of another individual who wishes to associate with a different set of co-members? (For instance – what about the freedom of a student to associate with students NOT from his own background, but indeed from another language, cultural, racial or economic background?)

The constitutional right to freedom of association can, in any case, not be used to exclude or discriminate on the basis of race or religion (Section 18 of the Bill of Rights).

Besides, the new policy guidelines will still make provision for freedom of association. This right can be exercised freely within a diverse residence with regard to friendships, joint academic work, socialising, sport, etc.

4. Will residences not lose their traditions?

The University appreciates that there are many valuable elements of tradition in residences. However, we must bear in mind that the traditions and character of student residences have evolved and changed over time, and they will continue to evolve and to change. In addition, we do not need to accept all aspects of residence life purely on the basis of tradition, including the unacceptably high level of alcohol abuse and unsavoury, humiliating and discriminatory orientation practices. The new approach to integrated residences provides the opportunity to retain the positive aspects of the current traditions and character, but also to develop new traditions and give residences a new character.

We can now establish a tradition and a character for each residence that are reconcilable with the values of the University as a place of scholarship and are aligned with the human rights approach of our country’s Constitution, the laws of our country and the strengths and diversity of the students in a particular residence.

5. Have students been involved in this process? Is there a role for them to play after the decision has been taken by the Council of the UFS?

In the first semester of 2007, during two rounds of consultations, the primes, SRC and student organisations were consulted about the proposed new placement policy to increase diversity in residences. Some residences also made written submissions on the matter (such as Madelief, Soetdoring, Wag-'n-bietjie, Vergeet-my-nie, Emily Hobhouse). Other residences requested and were granted more time, but did not make any submissions in the end (such as Reitz and Armentum).

Management also had several meetings with the above-mentioned structures to hear first-hand from students their concerns and solutions regarding possible challenges presented by integration in residences.

During these interactions, several excellent ideas and proposals were put forward by students. These views had a definite impact on the eventual proposal that was taken to the University Council, in particular regarding the minimum level of diversity (30%) in junior residences and the fact that residences still want to have a say in the placement of students, rather than the placement decision being left in the hands of Management alone (hence the 50% placement portion of residences). Management values the effort that was put into the process by the primes and residence committees, and thanks them for their contributions.

However, it should be stressed that consultation should not be understood as a process of negotiation, nor does it imply that consensus must be reached. What it means is that Management must take a considered decision after hearing the views of stakeholders.

Management would like students to continue to provide input and ideas regarding the implementation details of the policy guidelines. Task teams have been established and students will be informed about how they can interact with the task teams on an ongoing basis.

6. But integration in the residences was tried in the past (in the late 1990s), and then it failed. Why will it work now?

Yes, the University of the Free State did integrate its residences as far back as 1993, and for a few years it worked. The UFS did it at that time and is now doing so again, because it is the right thing to do. Yet it is important to understand why the previous attempt at racial integration in residences was not successful.

Firstly, both black and white students were much polarised because of the apartheid past. Secondly, there was insufficient management support for students in the residences, the student leaders generally as well as residence heads, in terms of dealing with diversity and related issues. Thirdly, the institutional culture of the UFS and the residences in particular was not addressed as part of broader transformation and integration in residences, whereas it is now being addressed.

In addition, the current decision to integrate residences has the benefit of being implemented after several more years of integration in schooling, sport, workplaces and other aspects of life.

This decision is also based on Management’s commitment to give all the possible support it can to this process.

This is a very important initiative that the UFS is undertaking. Management, in co-operation with students, must ensure that it succeeds. Integrated residences that produce high-quality graduates equipped to deal with the challenges of the workplace and our society is a worthwhile ideal we should all strive to achieve.

If you would like to make a proposal regarding the implementation and practical aspects of the new policy, please send it to the following email address: rector@ufs.ac.za

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