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20 July 2020 | Story Leonie Bolleurs | Photo Supplied
The view from one of the offices in the Marion Island research station, with fresh snowfall in the interior of the island in the background.

Liezel Rudolph, lecturer and researcher in the Department of Geography at the University of the Free State (UFS), is strongly convinced that the Southern Hemisphere’s past glacial cycles will provide valuable insights to help predict and prepare for future climate change. Climate is changing fast and the magnitude of change we have seen over the last 30 years has taken a hundred or several hundred years to occur in the past. 

It is not only temperatures that are rising, but changes in wind patterns, rain cycles, oceanic circulation, etc., are also observed. As we do not know how the earth will respond or adapt to such rapid and drastic changes in climatic patterns, this poses various threats.

Link between landscape responses and climate change

Rudolph focuses her research on reconstructing the past climate of Marion Island. 

She had the wonderful opportunity to visit the island for the past three years with study and project leaders, Profs Werner Nel from the University of Fort Hare and David Hedding from UNISA, she departed on a ship to Marion Island to conduct fieldwork.They published their research findings of fieldwork conducted in 2017 and 2018.  

According to Rudolph, research in Antarctica, the Southern Ocean, and islands such as Marion Island is very important. South Africa is the only African country with research stations that have the ability to explore these regions.

“Marion Island has many landforms that could only have been created by glacial erosional or depositional processes, with glaciers currently absent from the island. To determine when the island was last in a full glacial period, we date the formation ages of these landforms.”

“In the short time we have been visiting the island, it was impossible to notice any drastic changes in the island climate. That is why we use these very old landforms to tell us more about periods before humans visited the island,” she says. 

Rudolph believes that understanding the link between landscape responses and climate change of the past can help to better predict some of the climate change processes that are currently threatening the planet.

“There’s a principle in geography called ‘uniformitarianism’, whereby we assume that the earth-surface processes we observe today, are the same as those that have been active in the past,” says Rudolph.

As scientists, they thus look at evidence of past geomorphic processes (which remain in the landscape in various forms, e.g. residual landforms, stratigraphic sequences, etc.) to piece together what the past climate was like. In the same way, they also use this principle to predict how certain earth processes will change in the future, along with climate changes.

“In return, we understand how the climate and the earth’s surface interact, and we can better predict how the earth will respond to climate change,” Rudolph adds. 

Society to play its part in climate change

In the long run, we as the public should play our part in readying society for the effects of climate change. 

Rudolph says society can play a positive role in terms of climate change by educating themselves with unbiased, scientifically sound information on the true state of climate change and by responding within their own spheres of influence.

“Don’t leave everything up to politicians and policy. As the public, you can start to make progress by assessing the effects that climate change may have on your industry, business or society, and strategise on how to adapt your processes to deal with these changes.”

“Be responsible with our natural resources, reduce your waste, support local businesses that are sustainable, and volunteer at a local environmental protection/clean-up organisation. All the small efforts will eventually add up to substantial change,” she says. 

News Archive

Investec guest speaker exhorts South Campus students to ‘give it their all’
2017-02-16

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Video clip
Photo Gallery

The South Campus of the University of the Free State (UFS) recently welcomed new first-year and returning senior students during an event in the Madiba Arena. This year marks another highlight for the campus, with the accommodation of 252 students in a brand-new residence named Legae (meaning “Home”) on the property.

Prof Daniella Coetzee, Campus Principal, reminded the gathered students, “You are a fully-fledged Kovsie, and this is the first day of the rest of your life. You are now going to really work on your dreams.”

She went on to relate the life story of Albert Einstein, renowned physicist, making the point, “When you work, when you persist, when you take it one day at a time, you never lose sight of your dreams, and you will reach your dreams. I can promise you one thing, dear Kovsies, that if you work hard, plan hard, and you put your mind to it, it will definitely be worthwhile.”

Setlogane Manchidi, Head of Investec’s Corporate Social Investments division and guest speaker, told his colourful life story and academic journey. He described his ‘a-ha moment’ in high school, “when the penny dropped and everything started making sense” on a visit to his mother’s employer in Johannesburg, after going to the cinema to watch a movie: “This is the life I want to live.”

Description: 'South Campus Opening Tags: South Campus, Opening
Andrew Tlou, Investec Social Investment; Carol Bunn,
UFS Institutional Advancement; Setlogane Manchidi,
Head of Investec’s Corporate Social Investments division;
Tshegofatso Setilo, UAP Programmes Manager; and
Francois Marais, Director: Access Programmes,
at the South Campus opening and orientation day.
Photo: Eugene Seegers


This led to a new resolve in his scholastic efforts at the rural school back home in Ga-Phahla, Limpopo, and he started studying over weekends and by candlelight at night. Mr Manchidi shared this lesson with the students, “At that point, I lost my so-called ‘friends.’ I learnt this: Peer pressure is real. If you want to deal with peer pressure, surround yourself with the right peers! Surround yourself with people who have your best interests at heart. Surround yourself with people who will not turn you back from your path.” He later succeeded in obtaining a bursary to study at the University of Cape Town (UCT).

Mr Manchidi concluded by exhorting students to aspire to greatness, “Every time you settle for what is expected, you rob yourself of the opportunity to prove yourself out of the ordinary. Choose to exceed expectations. Give it your all!”

 

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