PhD Defence Dikman Maheng
On Monday 28 October 2024, the PhD Defence and Awarding Ceremony of Mr. Dikman Maheng from Indonesia, will take place. His promotor is Professor Chris Zevenbergen and his copromotors Dr. Biswa Bhattacharya & Dr. Assela Pathirana.
The title of his thesis is:
Impact of Land Use and Land Cover Changes on Urban Temperature, Rainfall, and Flooding: A Case Study of Jakarta
Research Summary:
The increasing global population and economic development have a significant impact on global land use and land cover (LULC) changes. LULC changes are affecting the quantity of green spaces and their patterns. Both influence urban ecosystem services (ES). The higher temperatures in urban areas compared to that in non-urban areas, modify atmospheric circulation and precipitation, triggering extreme rainfall leading to urban flooding. Those hazards happening in the same place at different times have not been given any special attention as many existing studies are mainly focusing on the quantity of green spaces. They have not paid special attention to different LULC transformation processes, and combined hazard events such as high urban temperatures and urban flooding. The reduction in Urban ES is evident from changes in the hydrological cycle in the form of an increase of the urban temperature and frequency and extent of urban flooding. This research aims to improve our understanding of the role of green spaces in urban temperature, rainfall, and flooding. It considers the pattern of green spaces, models LULC changes influenced on daily urban temperature, daily rainfall patterns and their potential relationship with urban flooding. The results derived from the city of Jakarta provide new and essential insights for further research to enhance flood resilience and climate adaptation, advocating a holistic approach required to mitigate the risks associated with these multi-hazards.
Livestream
Below you can find the schedule:
12.00 – 12.15 Presentation
12.30 – 14.00 Public defence & Awarding ceremony
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