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Graduation of Max Berning

Graduation of Max Berning 29 June 2023 14:00 till 16:00 - Location: CEG - Lecture Hall F | Add to my calendar Upscaling Observations to Unravel Drivers of Morphological Change at the Prins Hendrik Sand Dike Professor of graduation: Dr. ir. M.A. de Schipper Supervisors: Dr. ir. B.C van Prooijen, Ir. M.A. van der Lugt Within sandy coastal environments, nature-based solutions are often in the form of sand- or dune nourishment. Natural forcing interacts with sediment and results in transport, determining the short- and long-term performance of sand nourishments. This is seen through morphological development. As sandy coastal environments make up 40% of the world’s coasts, which are often densely populated, understanding that interaction between forcing and sediment is important for successful sandy coastal protection strategies. Most sandy coastal interventions have been performed on wave dominated open-coast systems. Correspondingly, most coastal research has focused on these open-coast and primarily wave-driven systems. Therefore, behavior of open-coast systems is generally well-understood; larger swell waves dominate morphological processes showing distinct periods of erosion and accretion under storm- and calm-conditions respectively. In contrast, only a few studies have been performed on sheltered, low-energy coasts. This results in a lack of knowledge on physical processes and morphodynamics of low-energy coasts. Despite the importance of low-energy beaches as coastal protection, recreation possibility and as ecological hubs (A. Ton, 2020). Previous studies performed on the PHSD have focused on creating a conceptual understanding through data analysis (M. Klein Obbink 2021, J. Woerdman 2021) or numerical modelling (R. Hoegen, 2022). Through numerical modelling, it was possible to distinguish the importance of different hydrodynamic drivers and calculate transport quantities, however, these models require large computational effort. Therefore, the need arises to upscale local observations to macro-morphological changes and compare to observed morphological development.

Lilika Markatou joins Cybersecurity at TU Delft as Assistant Professor.

Evangelia Anna (Lilika) Markatou is appointed Assistant Professor of Cybersecurity at TU Delft, effective September 15, 2023. Lilika is working at the intersection of privacy and security, aiming to develop secure and private protocols that enable users to utilize cloud computing resources without sacrificing their privacy. She will join us from Brown University in the USA where she is currently a final-year Ph.D. student under the supervision of Roberto Tamassia. Lilika graduated with a Bachelor's degree in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology (MIT) in 2016. In 2018, she received a Master of Engineering from MIT advised by Nancy Lynch. She also holds a Master in Computer Science from Brown University. Lilika worked as an intern at Google in the US and UK, and research assistant at MIT’s Computational Reactor Physics Group, MIT’s Planetary Astronomy Laboratory, and Harvard University’s Cosmic Microwave Background group. She has also been involved in education, supervision, and volunteer work activities at Brown and MIT. Lilika’s research was presented at top security, systems, and theory venues such as ACM CCS, PETS, VLDB, ACM PODC, and SIROCCO. Lilika was awarded the Best Student Paper Award in ISC 2019 for "Full Database Reconstruction with Access and Search Pattern Leakage", the Best Paper Award in SIROCCO 2017 for "Leader Election in SINR Model with Arbitrary Power Control", and the Licklider UROP Award for her work during her Masters. She was also a Paris Kanellakis fellow at Brown University. Lilika, welcome to the Cybersecurity section at TU Delft! Lilika’s personal webpage: https://markatou.github.io/

Parents and caregivers: a conversation with three colleagues

DEWIS talked with three young parents about combining parenting with pursuing an academic career. What can we do to create a more inclusive working environment where parents can grow and flourish in their careers? An academic career and a family: can you have both? Samuel Kernan Freire is a PhD-student at the faculty of Industrial Design Engineering. He has a two-year-old daughter and is expecting his second child in August. Samuel: “I wasn’t quite sure if the two were compatible. The positive reaction of my supervisor reassured me. Of course, I need to manage my time well but the most important thing is to have a supportive supervisor.” When I got pregnant during my PhD studies, I was privileged with a supportive promotor. His attitude was very clear: becoming a parent is a fact of life. He supported me in my wish that my children could attend my PhD defence. The youngest was two. I remember my son walking towards me and a family member picked him under his raised arms. All the committee members loved it! Prof. Zofia Lukszo, DEWIS Chair Ema Gusheva moved from North Macedonia to the Netherlands with her husband to do a PhD at the faculty of Technology, Policy and Management and has a one-year-old daughter. Ema : “Having a baby during PhD studies is totally acceptable at my department. I have to say that combining parenting with my academic career is easier than I thought. I work fewer hours but I am very productive. I spend less time on social interactions; less time on my laptop, reading and doubting myself; less time on introspection and I do not have writer’s block. I sit behind my computer typing away and sending drafts full of typos [smile]. I don’t have time to be very self-critical.” Michal Shemesh is from Israel and started working as an Operational Manager after her postdoctoral research at the faculty of Applied Sciences. Her children are eight and twelve years old. Michal : “I never had conscious deliberations about whether to start a family. This decision is very personal to me. Having children is encouraged in Israeli society, so this might be a cultural difference. Children are part of life and you organise your life around the family. During my PhD, when my babies were small, they accompanied me whenever necessary, i.e. when studying or doing labwork. I would take them to the research institute in cases of emergency or after day-care was closed and it was never considered strange.” How do you balance work and private life? Samuel: “People are mostly speaking from a perspective without caregiving responsibilities. I think there could be more awareness around this, so we can be more mindful and inclusive. My supervisor and colleagues have been very accommodating but, in general, there is room for improvement. For example, be more mindful when planning social events. Ema: “My supervisor told me about conferences with day-care facilities but they don’t seem to be in my field. Where are they!? It would be great to have that option. Last time, my mother came with me to take care of my daughter. I can be more proactive in searching for networking opportunities and suggesting collaborations. I already have some ideas for shifting meetings and social gatherings so they better fit my schedule. In addition, I’m inspired to bring my daughter to work if necessary.” Michal: “Social interactions can be important for scientific careers. New collaborations might start or an interesting foreign visitor might attend. Inclusion gives you the freedom to be an excellent scientist. Inclusion means having a mind-set in the working environment where parenting is accepted as an important part of life. Accept mothers bringing their babies to conferences. Plan social events when parents are available.” "Universities are amazing places full of role-models and inspiration for children. It would be great if we had more welcoming spaces, where children could drop by and feel comfortable and not be intimidated by the huge amount of locked doors and unwelcoming messages. Showing our workplaces to our children is an educational experience for them and gives them examples of future possibilities. Flexible work balance is important, but so is the opportunity to bring your children to work because they are part of your life.”

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Graduation of Max Berning

Graduation of Max Berning 29 June 2023 14:00 till 16:00 - Location: CEG - Lecture Hall F | Add to my calendar Upscaling Observations to Unravel Drivers of Morphological Change at the Prins Hendrik Sand Dike Professor of graduation: Dr. ir. M.A. de Schipper Supervisors: Dr. ir. B.C van Prooijen, Ir. M.A. van der Lugt Within sandy coastal environments, nature-based solutions are often in the form of sand- or dune nourishment. Natural forcing interacts with sediment and results in transport, determining the short- and long-term performance of sand nourishments. This is seen through morphological development. As sandy coastal environments make up 40% of the world’s coasts, which are often densely populated, understanding that interaction between forcing and sediment is important for successful sandy coastal protection strategies. Most sandy coastal interventions have been performed on wave dominated open-coast systems. Correspondingly, most coastal research has focused on these open-coast and primarily wave-driven systems. Therefore, behavior of open-coast systems is generally well-understood; larger swell waves dominate morphological processes showing distinct periods of erosion and accretion under storm- and calm-conditions respectively. In contrast, only a few studies have been performed on sheltered, low-energy coasts. This results in a lack of knowledge on physical processes and morphodynamics of low-energy coasts. Despite the importance of low-energy beaches as coastal protection, recreation possibility and as ecological hubs (A. Ton, 2020). Previous studies performed on the PHSD have focused on creating a conceptual understanding through data analysis (M. Klein Obbink 2021, J. Woerdman 2021) or numerical modelling (R. Hoegen, 2022). Through numerical modelling, it was possible to distinguish the importance of different hydrodynamic drivers and calculate transport quantities, however, these models require large computational effort. Therefore, the need arises to upscale local observations to macro-morphological changes and compare to observed morphological development.

Lilika Markatou joins Cybersecurity at TU Delft as Assistant Professor.

Evangelia Anna (Lilika) Markatou is appointed Assistant Professor of Cybersecurity at TU Delft, effective September 15, 2023. Lilika is working at the intersection of privacy and security, aiming to develop secure and private protocols that enable users to utilize cloud computing resources without sacrificing their privacy. She will join us from Brown University in the USA where she is currently a final-year Ph.D. student under the supervision of Roberto Tamassia. Lilika graduated with a Bachelor's degree in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology (MIT) in 2016. In 2018, she received a Master of Engineering from MIT advised by Nancy Lynch. She also holds a Master in Computer Science from Brown University. Lilika worked as an intern at Google in the US and UK, and research assistant at MIT’s Computational Reactor Physics Group, MIT’s Planetary Astronomy Laboratory, and Harvard University’s Cosmic Microwave Background group. She has also been involved in education, supervision, and volunteer work activities at Brown and MIT. Lilika’s research was presented at top security, systems, and theory venues such as ACM CCS, PETS, VLDB, ACM PODC, and SIROCCO. Lilika was awarded the Best Student Paper Award in ISC 2019 for "Full Database Reconstruction with Access and Search Pattern Leakage", the Best Paper Award in SIROCCO 2017 for "Leader Election in SINR Model with Arbitrary Power Control", and the Licklider UROP Award for her work during her Masters. She was also a Paris Kanellakis fellow at Brown University. Lilika, welcome to the Cybersecurity section at TU Delft! Lilika’s personal webpage: https://markatou.github.io/

Parents and caregivers: a conversation with three colleagues

DEWIS talked with three young parents about combining parenting with pursuing an academic career. What can we do to create a more inclusive working environment where parents can grow and flourish in their careers? An academic career and a family: can you have both? Samuel Kernan Freire is a PhD-student at the faculty of Industrial Design Engineering. He has a two-year-old daughter and is expecting his second child in August. Samuel: “I wasn’t quite sure if the two were compatible. The positive reaction of my supervisor reassured me. Of course, I need to manage my time well but the most important thing is to have a supportive supervisor.” When I got pregnant during my PhD studies, I was privileged with a supportive promotor. His attitude was very clear: becoming a parent is a fact of life. He supported me in my wish that my children could attend my PhD defence. The youngest was two. I remember my son walking towards me and a family member picked him under his raised arms. All the committee members loved it! Prof. Zofia Lukszo, DEWIS Chair Ema Gusheva moved from North Macedonia to the Netherlands with her husband to do a PhD at the faculty of Technology, Policy and Management and has a one-year-old daughter. Ema : “Having a baby during PhD studies is totally acceptable at my department. I have to say that combining parenting with my academic career is easier than I thought. I work fewer hours but I am very productive. I spend less time on social interactions; less time on my laptop, reading and doubting myself; less time on introspection and I do not have writer’s block. I sit behind my computer typing away and sending drafts full of typos [smile]. I don’t have time to be very self-critical.” Michal Shemesh is from Israel and started working as an Operational Manager after her postdoctoral research at the faculty of Applied Sciences. Her children are eight and twelve years old. Michal : “I never had conscious deliberations about whether to start a family. This decision is very personal to me. Having children is encouraged in Israeli society, so this might be a cultural difference. Children are part of life and you organise your life around the family. During my PhD, when my babies were small, they accompanied me whenever necessary, i.e. when studying or doing labwork. I would take them to the research institute in cases of emergency or after day-care was closed and it was never considered strange.” How do you balance work and private life? Samuel: “People are mostly speaking from a perspective without caregiving responsibilities. I think there could be more awareness around this, so we can be more mindful and inclusive. My supervisor and colleagues have been very accommodating but, in general, there is room for improvement. For example, be more mindful when planning social events. Ema: “My supervisor told me about conferences with day-care facilities but they don’t seem to be in my field. Where are they!? It would be great to have that option. Last time, my mother came with me to take care of my daughter. I can be more proactive in searching for networking opportunities and suggesting collaborations. I already have some ideas for shifting meetings and social gatherings so they better fit my schedule. In addition, I’m inspired to bring my daughter to work if necessary.” Michal: “Social interactions can be important for scientific careers. New collaborations might start or an interesting foreign visitor might attend. Inclusion gives you the freedom to be an excellent scientist. Inclusion means having a mind-set in the working environment where parenting is accepted as an important part of life. Accept mothers bringing their babies to conferences. Plan social events when parents are available.” "Universities are amazing places full of role-models and inspiration for children. It would be great if we had more welcoming spaces, where children could drop by and feel comfortable and not be intimidated by the huge amount of locked doors and unwelcoming messages. Showing our workplaces to our children is an educational experience for them and gives them examples of future possibilities. Flexible work balance is important, but so is the opportunity to bring your children to work because they are part of your life.”
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Tracing ancient settlements in Colombia with remote sensing

A team of the LDE alliance (Leiden University, TU Delft, and Erasmus University Rotterdam) asked whether it might be possible to search for signs of ancient settlements in the jungle with affordable remote sensing techniques. For an expedition in a Colombian dense forest, the team, including remote sensing expert Felix Dahle of TU Delft, joined forces with archaeologists and drone experts from Colombia. In mountainous forests, drones provide affordable access to areas that would otherwise be unreachable from the ground. A LiDAR laser scanner already proved its value in coastal observation . The big question was whether LiDAR could bypass the many treetops. Trees reflect the laser, so it was crucial to fly close so it found its way through the foliage. The team mounted a highly portable LiDAR laser scanner to a drone and went on expedition nearby ancient terraces of the Tairona culture in the Sierra Nevada of Santa Marta. “We had to find the sweet spot. Close to the archaeological sites and still secure above the canopy”, says Felix Dahle. And it passed the test. The LiDAR laser scanner create a point cloud and a detailed 3D model of the landscape. “We were able to detect ancient terraces in the jungle. We discovered that we can scan through the forest when it is not too dense, but some areas remained unfathomable. We could also distinguish several types of vegetation, which might be of great use too to find undiscovered archaeological sites.”

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