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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

Institute launches Human Rights Desk
2013-10-22

 

Attending the launch of the first Human Rights Desk were from left: Prof Teuns Verschoor, former Vice-Rector: Institutional Affairs, Dr Leon Wessels, human rights activist and lawyer, and Dr Choice Makhetha, Vice-Rector: External Relations.
Photo: Huibrecht Hoffman
22 October 2013

The university has created another beacon for social justice and reconciliation with the launch of its first Human Rights Desk (HRD) on the Bloemfontein Campus. The HRD, which falls under the Institute for Reconciliation and Social Justice, will promote, protect and monitor human rights at the university.

Speaking at the launch of the HRD, Prof Andre Keet, Director of the Institute for Reconciliation and Social Justice, said the desk will investigate reported violations of human rights on campus. "It will investigate any cases that require investigation, as well as various other projects that serves the university and national and international imperatives as far as human rights is concerned.”

Prof Keet told students and staff in attendance that the desk is an expression of the university's commitment. "As a university, we have to own this particular desk, as a collective entity we should make it work and be proud of it. Our task is to build a new form of productivity into the language of rights, and build a culture of human rights among our students, which we can already see emerging."

Also speaking at the event, Prof Jonathan Jansen, Vice-Chancellor and Rector, said the HRD will be a place where people can come who are hurt. He encouraged students to speak on human rights anywhere in the world. "I want you to think of yourself as a borderless human being, for human rights are not geographically confined. I want you to also hurt when somebody in a mall in Kenya gets hurt."

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