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03 November 2022 | Story Leonie Bolleurs | Photo Supplied
Dr Liezel Rudolph
Dr Liezel Rudolph, a lecturer in the Department of Geography, recently returned from an expedition to Gough Island in the South Atlantic Ocean, where she was involved in research that aims to better understand the landscape evolution of some subantarctic islands and their response to long-term climate change.

A study of subantarctic islands tells us that, in general, the Southern Hemisphere is experiencing a rise in temperature, with an increase in rainfall in some locations, and other areas becoming drier. The annual temperature and rainfall average remain the same in some places, but there is a change in seasonality and synoptic weather events.

This is according to Dr Liezel Rudolph, a lecturer in the Department of Geography at the University of the Free State (UFS). She recently returned from an expedition to Gough Island in the South Atlantic Ocean, supported by the South African National Department of Forestry, Fisheries and the Environment, the National Research Foundation, and the Royal Society for the Protection of Birds.

This teacher of modules on Process Geomorphology and fieldwork techniques at the UFS, says the objective of her work on the island was to do a geomorphological survey of the island and explore the suitability of geochronological dating techniques on the island’s substrate. 

She explains that with geochronological methods one can determine the age of rock material as well as the rate of landscape change on the island. “In other words, dating when the volcano was formed and determining how long it takes for weathering to break down the rock material, and erosional processes to remove soil material.”
 
The research she is involved in, forms part of a SANAP-NRF-funded project, Sub-Antarctic Landscape Climate Interactions, which aims to better understand the landscape evolution of some subantarctic Islands and their response to long-term climate change. 

Studying the past to understand the present

According to her, studying landscape change enables one to better understand climate change over a long period of time. 

She states that the more regions are investigated, the clearer the picture of climate change will become. “The Earth is a large, complex system. By studying climate change in one location, one cannot simply assume that the same type and rate of change is occurring everywhere else. It would be like imaging a 1 000-piece puzzle by building with 10 pieces. The Southern Hemisphere is predominantly ocean, which makes it difficult to pin down land-atmosphere interactions – but the subantarctic islands give us the opportunity to create data points for the Southern Hemisphere, which would otherwise be a very large missing piece of the puzzle,” explains Dr Rudolph.

She says the interaction between ocean, atmosphere, and land remains complex and it is important to study the entire picture in order to fully understand how this is happening. Especially since the climate is changing at a drastic rate.

Dr Rudolph, whose research at the UFS is focused on constraining the last glaciation of subantarctic Marion Island though various proxies and dating techniques, says the subantarctic islands are very sensitive to changes in climate. 

A clearer picture of climate change

She was part of previous expeditions to the island. Although all these expeditions had different goals, according to her, they all aimed to answer the same questions, which are how the island’s landscape has developed throughout history and what the climatic drivers were during its evolution. 

“The landscape responds to changes in temperature and precipitation. Under colder, wetter conditions – when the island’s surface is subject to a freeze-thaw process – a range of peri-glacial landforms will develop. These landforms will still be evident in the landscape years later under a different climate, for example, warmer or drier conditions. We can study these landforms in real-time and establish whether they are actively forming or are relict features that formed under different climatic environments,” remarks Dr Rudolph.

The research, which is taking place in collaboration with the British Antarctic Survey, is co-led by Prof Werner Nel from the University of Fort Hare, and Prof David Hedding from the University of South Africa. 

• Dr Rudolph is grateful to the Government of Tristan da Cunha, which is responsible for managing the conservation of Gough Island, for permitting them to do scientific work on the island. 

News Archive

UFS takes lead in improving quality of training in economics in schools
2006-06-20

The fourth international workshop for trainers in the National Council on Economic Education’s (NCEE) outreach programme for Africa, Latin America, Asia and the Middle East will be presented in Bloemfontein from 18-24 June 2006.

 “Because of the rapid success we achieved in the Free State with similar workshops in Economics education that were presented by the NCEE the past year, we have now invited representatives from education departments and universities of five other provinces to attend the international workshop for trainers,” said Prof Klopper Oosthuizen, lecturer at the University of the Free State’s (UFS) Department of Agricultural Economics and initiator of the cooperative agreement with the NCEE.

 The UFS and the Free State Department of Education are the NCEE’s first partners in Africa who received this training.  “The attendance of the five provinces and universities is the first step in the extension of the programme to the rest of the country,” said Prof Oosthuizen. 

 The NCEE is based in the United States of America (USA) and the workshop forms part of the council’s effort to improve the quality of the training of Economics teachers and lecturers across the world. 

 “South Africa is urgently in need of efforts to improve the integration of black people into the market economy.  An understanding of how markets work is one of the pillars of democracy.  Equipping young people with economic understanding and skills will help empower them for responsible roles as individuals and citizens,” said Prof Oosthuizen.

 According to Prof Oosthuizen representatives from the education departments of the Northern Cape, Western Cape, Eastern Cape, KwaZulu-Natal and North West will also be attending the international workshop for trainers.  Representatives from the Universities of Rhodes, of KwaZulu-Natal, North West and the Durban University of Technology as well as the Cape Peninsula University of Technology will also attend the workshop.

 During this workshop teachers and lecturers in Economics will receive certificates. 

 Various subjects will be covered during the workshop such as world trade patterns, cost and benefits of free trade, exchange rates and international finance.  The training will be done by representatives from the NCEE by using methods such as direct instruction and role play.

 The NCEE is also in the process of training teachers and learning facilitators in the Free State in an effort to improve the quality of Economics classes in secondary schools. 

 “A group of 84 teachers and learning facilitators were trained in December 2005, 50 were trained in January 2006 and the last group of 40 will be trained at the UFS Main Campus in Bloemfontein from 26 June - 1 July 2006,” said Prof Oosthuizen.

 During this seminar the teachers will be trained in issues such as broad social goals in an economy, economic decision making, government’s role in a market economy and fiscal policy.  The training will also be done by representatives from the NCEE.

 The NCEE has been working together with international partners since 1992 to strengthen their Economics teaching systems.  They have already succeeded in increasing literacy in Economics at schools in the USA and more than 20 East Block countries.  More than 1,5 million learners in the East Block countries have already been served by this initiative.  Since 2004 the NCEE’s focus has moved away from the East Block countries to Africa, Asia, Latin America and the Middle East.

 “Our future plans include strengthening the growing partnership between the UFS, the Free State Department of Education and the NCEE.  We also want to establish a council and centres for economic education which will serve as an umbrella for our joint efforts,” said Prof Oosthuizen.

Media release
Issued by: Lacea Loader
Media Representative
Tel:   (051) 401-2584
Cell:  083 645 2454
E-mail:  loaderl.stg@mail.uovs.ac.za 
20 June 2006

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