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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

Lots of inspiration at Autumn Graduation Ceremony
2013-04-18

 

Graduates celebrate the results of years of study at the graduation ceremony on the Bloemfontein Campus.
Photo: Hannes Pieterse
17 April 2013

Live streaming of ceremonies available from 16 April - 19 April 2013: http://www.ufs.ac.za/ufslivestreaming/

Joshua Johnson YouTube video

The university’s Autumn Graduation Ceremony got off to a vibrant start with energetic performances and inspiring messages for graduates.

Joshua Johnson, an American student who uses his talent for tap-dancing to fund his tertiary education, mesmerised the audience on the first of the four-day graduation ceremony with his story of hope and perseverance. The student from Penn State University travels five hours by bus to New York every weekend where he tap-dances on the subway trains to earn money for his tuition fees.

Delivering a keynote address, Joshua told graduates that, in order to achieve their goals, they have to understand and work diligently with the 24 hours they get to live daily. “Start with a bang and end with a bang,” he said, encouraging the audience in the nearly-packed Callie Human Centre to join him in a rhythmic tap-dancing beat.

“Don’t follow in the footsteps of someone else. Take the beat of life, but add your rhythm to it," his wise words resonating with the exhilarated graduates.

Joshua will be the guest speaker at the ceremonies on 16, 17 and 19 April 2013 and will deliver a dance item during each occasion.

Dr Khotso Mokhele, Chancellor of the University, echoed Joshua‘s message, telling graduates not to be discouraged by life’s difficulties.

“Take what you have learned over the last three or four years and use that knowledge to reach your goal,” he advised.

Prof Jonathan Jansen, Rector and Vice-Chancellor, encouraged them to continue to study. “To break the cycle of poverty, get an education, get a degree.” He told them that as graduates they are ten times more likely to get a job, with the odds rising as they continue their postgraduate studies.

Well-known radio host and Idols South Africa judge, Gareth Cliff, will be the guest speaker at two ceremonies on 18 April 2013. He will be joined by Vicus Visser, the South African YouTube singing sensation. Dubbed Bloemfontein’s Justin Bieber, Vicus and his brother Vincent will perform during these two ceremonies.

The programme for the respective ceremonies is:

Wednesday 17 April

09:30 Diplomas and certificates up to and including honours degrees in the Faculty of Education.
14:30 Diplomas and certificates up to and including honours degrees in the Faculties of Health Sciences, Law and Theology.

Thursday 18 April

09:30 Diplomas and certificates up to and including honours degrees in the Faculty of Natural and Agricultural Sciences: only Agricultural Sciences and Architecture.
14:30 Diplomas and certificates up to and including honours degrees in the Faculty of Natural and Agricultural Sciences: only Natural Sciences.

Friday 19 April

09:30 Diplomas and certificates up to and including honours degrees in the Faculty of Economic and Management Sciences: all diplomas and degrees in the Faculty, except BCom and BComHons.
14:30 Diplomas and certificates up to and including honours degrees in the Faculty of Economic and Management Sciences: only BCom and BComHons.

The Qwaqwa Campus’ graduation ceremony will take place on 8 June 2013. Diplomas/certificates up to and including doctorates will be awarded at this ceremony.

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