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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

Kovsies included in national team for 2015 World Cup in Australia
2015-06-30

Karla Mostert
Photo: Johan Roux

The success of netballers Adele Niemand (former Kovsie) and Karla Mostert (captain of the Kovsie netball team) continues - they represent Kovsies, the provincial Crinums, as well as the national SPAR Proteas as goal-keeper and goal defender, respectively. The UFS is also very proud of their inclusion in the national team for the upcoming 2015 World Cup in Australia.
 
On 6 June 2015, Niemand and Mostert played for the Free State Crinums, who overpowered the Gauteng Jaguars in the Brutal Fruit Netball Premier League (NPL). This win secured the championship title for the Crinums for the second time in a row.
 
“Our aim was to improve with each game. We did this throughout the league. The final game against the Jaguars was definitely our best game, so we are very satisfied. The NPL prepared us and gave us game time, which I think, is great preparation for the Diamond Challenge,” said Mostert.
 
Niemand and Mostert represented South Africa at the Diamond Challenge in Margate from 14 to 18 June 2015.
 
Prior to the event, Burta de Kock, Head Coach of the university’s team, said, “The Diamond Challenge in Margate will be hard, because Zambia, Uganda and Malawi want to be the best in Africa. But SA has enough brilliant players to do the trick for us, and we also have a great leader as captain.”
 
Niemand and Mostert form part of the national squad selected for the upcoming 2015 World Cup in Australia. Kovsie Lauren-Lee Christians from the UFS is the only non-travelling substitute for the World Cup. In their group, the team will compete from 7 to 16 August 2015 against Malawi, Singapore and Sri Lanka.
 
For the upcoming games against the world’s best in Sydney, Niemand has set a personal goal, namely to be the best by playing every game as if it's her last, and in so doing, aims to maintain the high standard of the team.
 
Their coach’s words of encouragement for the World Cup are: “Just go out with passion and enjoy every second. Never forget you are our CHAMPS!!”
 
The SPAR Proteas have indeed proven to be champions by beating Zambië 63 - 38 in the opening match of the challenge on 16 June 2015 at the UGU Sports Centre. They continued to beat Malawi convincingly by 43 - 33, and thrashed Uganda with a score of 56 - 39 to maintain their unbeaten run. The Proteas managed to uphold their lead to the end and thereby secured the tournament trophy win a win of 40 - 35.  In the first two games against Zambia and Malawi, Mostert and Niemand was respectively Player of the Match.
 
The UFS is also proud of Maryka Holtzhausen, a former Kovsie now captaining the Proteas. Ilze du Pisanie, also a former Kovsie, is the conditioning coach for the Proteas.

 

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