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03 October 2019 | Story Eugene Seegers | Photo Charl Devenish
Pieter Hoogenboezem
Pieter Hoogenboezem with his proud parents, dad Hans and mom Eldi, and Prof Francis Petersen, Rector and Vice-Chancellor of the UFS.


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At a gala event held on the University of the Free State (UFS) Bloemfontein Campus, on 28 September 2019, the top 14 entrants in the 39th UFS-Volksblad Matriculant of the Year competition were given an opportunity to share their vision with invited guests.

In his introductory speech, Pieter Hoogenboezem, deputy head boy of Pietersburg High School in Polokwane, Limpopo, said: “I think the Matriculant of the Year should strive to do their best in everything they attempt, and they should be good at communicating with others.” Pieter will be studying medicine at the UFS next year. He was crowned the winner of the 2019 Matriculant of the Year competition and also received the Sparkling Personality award, as decided by his fellow finalists. 

Pieter says of this achievement: “I am humbled and so blessed with the talents my heavenly Father has given me. I believe that the training and knowledge that I will receive at the UFS will empower me to make a worthwhile contribution to the medical field and society at large. It is going to be a great privilege for me to make Kovsies proud and to move others to become part of this university that promotes transformation, diversity, and inclusivity!”

Several other prizes were also awarded during the evening. Mandie de Wet from the Hoër Meisieskool Oranje in Bloemfontein walked away with the prize for best achievement in sport for her prowess on the hockey field, and Runé Edeling (Eunice High School) was rewarded for her accomplishments in dressage on a national level, as well as her extensive scientific knowledge and ability shown at the Eskom Expo, the Eskom Science Fair, and an international science expo in Arizona, USA. Each of these winners received R5 000 from the Kovsie Alumni Trust.

Dr Pieter Rademan, Matriculant of the Year 2009, had this to say to the finalists — many of whom will start studying next year to become doctors: “I’m delighted to see that so many here are interested in medicine; there is a desperate need for more doctors and good doctors in the country.” Using an example from the Norsemen, he told the matriculants: “Despite being shipbuilders and seafarers, the Vikings would set fire to their ships when they reached their destination.” He said this ensured that they would be motivated to overcome difficulties before rebuilding their vessels to continue the voyage. He exhorted: “Burn your ships! Calm seas do not make for good sailors. Get out of your comfort zone and get comfortable with being uncomfortable.”


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Water erosion research help determine future of dams
2017-03-07

Description: Dr Jay le Roux Tags: Dr Jay le Roux

Dr Jay le Roux, one of 31 new NRF-rated
researchers at the University of the Free State,
aims for a higher rating from the NRF.
Photo: Rulanzen Martin

“This rating will motivate me to do more research, to improve outcomes, and to aim for a higher C-rating.” This was the response of Dr Jay le Roux, who was recently graded as an Y2-rated researcher by the National Research Foundation (NRF).

Dr Le Roux, senior lecturer in the Department of Geography at the University of the Free State (UFS), is one of 31 new NRF-rated researchers at the UFS. “This grading will make it possible to focus on more specific research during field research and to come in contact with other experts. Researchers are graded on their potential or contribution in their respective fields,” he said.

Research assess different techniques
His research on water erosion risk in South Africa (SA) is a methodological framework with three hierarchal levels presented. It was done in collaboration with the University of Pretoria (UP), Water Research Commission, Department of Agriculture, Forestry and Fisheries, and recently Rhodes University and the Department of Environmental Affairs. Dr Le Roux was registered for 5 years at UP, while working full-time for the Agricultural Research Council – Institute for Soil, Climate and Water (ARC-ISCW).

Water erosion risk assessment in South Africa: towards a methodological framework
, illustrates the most feasible erosion assessment techniques and input datasets that can be used to map water erosion features in SA. It also emphasises the simplicity required for application at a regional scale, with proper incorporation of the most important erosion-causal factors.

The main feature that distinguishes this approach from previous studies is the fact that this study interprets erosion features as individual sediment sources. Modelling the sediment yield contribution from gully erosion (also known as dongas) with emphasis on connectivity and sediment transport, can be considered as an important step towards the assessment of sediment produce at regional scale. 
 
Dams a pivotal element in river networks

Soil is an important, but limited natural resource in SA. Soil erosion not only involves loss of fertile topsoil and reduction of soil productivity, but is also coupled with serious off-site impacts related to increased mobilisation of sediment and delivery to rivers.

The siltation of dams is a big problem in SA, especially dams that are located in eroded catchment areas. Dr Le Roux recently developed a model to assess sediment yield contribution from gully erosion at a large catchment scale. “The Mzimvubu River Catchment is the only large river network in SA on record without a dam.” The flow and sediment yield in the catchment made it possible to estimate dam life expectancies on between 43 and 55 years for future dams in the area.
 
Future model to assess soil erosion
“I plan to finalise a soil erosion model that will determine the sediment yield of gully erosion on a bigger scale.” It will be useful to determine the lifespan of dams where gully erosion is a big problem. Two of his PhD students are currently working on project proposals to assess soil erosion with the help of remote sensing techniques.

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