[Webinar] Urban Climate in the Planning Process


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Global climate change poses challenges for sustainable urban development, and it has a significant impact on urban climate, particularly with the growth of urban heat islands (UHI) and with decreased ventilation inside urban areas. Climate change-related city action and policy development in different Asian cities, including Phnom Penh, will be introduced. The intensity and rate of the UHI within Phnom Penh will be analyzed. Information and data on the nature, scale and distribution of potential urban risks in the urban climate of Asian cities will be introduced. Developing tools for analyzing urban climate and urban planning are needed for more sustainable urban development.

Phnom Penh was chosen as a case study for looking at urban climate, especially the UHI. The city morphology has become more impervious-surfaced and building-dominant, which increases the UHI-intensity and directly affects wind movement at the city scale. The central business districts (CBDs) of Phnom Penh in particular have reduced-urban ventilation as a result of their high building density. We found that the difference in the increased intensity and rate of UHI between CBDs and suburban areas in Phnom Penh were 1.3°C and 0.15% on average. The difference in wind velocity between CBDs and suburban areas was 1.9 m s−1 on average. This effect may be responsible for the lower UHI intensity in suburban areas compared to that in CBDs.

Dr. Lutz Katzschner is a meteorologist and Professor Emeritus of Environmental Meteorology at the University of Kassel (Germany) in the Faculty of Architecture and Urban Planning. He is currently working as the head of the Institute for Climate and Energy Strategies (INKEK).

Dr. Chao Ren is Associate Professor in The Faculty of Architecture at The University of Hong Kong. She has lectured widely in leading institutions on topics of environmental design and urban climatic application. Her research interest is Sustainable Urban and Environmental Design and Urban Climatic Application in Urban Planning. She has published widely in highly-ranked journals and peer-reviewed conferences, focusing primarily on examining the relationship between urban climate and urban morphological characteristics, developing an urban climatic mapping system, and analyzing urbanization-induced human thermal comfort and public health risk impacts for high-density/compact cities.


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Mr. Bunleng Se is a lecturer and group leader of the Climate Change and Water Group in the Department of Geography and Land Management, Royal University of Phnom Penh (RUPP), since 2012. He is a CKS Dissertation Research Fellow and Ph.D. candidate at RUPP in the Khmer Studies Program. He is currently working on the research pattern of the Build4People project in the working package 5: Urban Climate. His main science interests focus on the influence of urban heat island intensity under urbanization and climate change on precipitation patterns and on the impacts of resultant urban flooding on socio-economic development in the urban setting.

Dr. Nyda Chhinh graduated from Flinders University, Australia with a major in Environmental Risk Management. His research interests include climate change adaptation, and agricultural and rural development. Currently, Nyda is conducting research projects on 1) Promotion of Social Entrepreneurship in Disaster Risk Reduction to Build Community Resilience & 2) Market Research in Agricultural Machineries, and Agricology.

Dr. Alan L. Kolata is currently the Bernard E. and Ellen C. Sunny Distinguished Service Professor of Anthropology at the University of Chicago. Prof. Kolata received his Ph.D. from Harvard University in 1978. Subsequently he was a Fellow at Dumbarton Oaks, before joining the Field Museum of Natural History and the University of Illinois at Chicago. He moved to the University of Chicago in 1987 where he has served as Professor and Chair in the Department of Anthropology, in the Committee on Southern Asian Studies and the Committee on Environment, Geography and Urbanization of which he is a member of the Executive Committee.
Prof. Kolata serves as Trustee, Senior Scholar, and Chair of the Program Committee of the Center for Khmer Studies.

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