Land use, transport and the environment for a polycentric city:Continuum modeling approach
主讲人：Prof. S.C. Wong, The University of Hong Kong
Air pollution has become a pressing issue, and the transport sector is an important source of emissions. For example, global warming has become one of the most acute problems of our time, and it is reported that the transport sector is responsible for about a quarter of global CO2emissions, in which about three quarters of transport-related CO2 emissions are generated by road surface transport. On the other hand, other pollutants, such as nitrogen oxides, sulfur oxides, particulates, affect people’s quality of life and health. Because of the strong interactions between land use and transport, it is useful to develop an integrated model for the land use, transport, and the environment (ILUTE), which helps to devise sustainable land use and transport policies that are environmentally compatible. The prediction of housing location choices is important for making decisions on how to allocate resources for land use developments, and the spatial analysis of air pollution and housing location choice in urban cities becomes an interesting but challenging problem. Traditionally, this problem is studied using a discrete modeling approach, in which a detailed network is constructed, and linked to an environmental sub-model to estimate the environmental impacts. In this study, we adopt an alternative continuum modeling approach, which focuses on the general trends and patterns of distribution and the travel choices of road users at the macroscopic rather than microscopic level. In this approach, we consider a city with several central business districts (CBDs) serving several classes of road users. The road network is relatively dense and can be approximated as a continuum. Transport demand and housing provision are continuously distributed outwards from the CBDs, and the commercial activities are concentrated in the CBDs. People travel between their homes and the CBDs along the least costly route during rush hours. Their choice of destination is determined by their perception of the travel cost and the externalities of the CBDs. We establish a bi-level model to determine the transport demand, traffic intensity, and CO2 emissions with an optimized housing development pattern that minimizes total greenhouse gas emissions. In addition, we also attempt to develop a model that takes explicit account of the dispersion pattern of pollutants in the city, and the effect of air quality on housing location choice. People who live in different locations or belong to different user classes are assumed to have different perceptions of travel time, air quality, and housing rent.
黄仕进教授现为香港大学土木工程系系主任及讲座教授，并获颁龐述英基金教授席（工程学），并担任香港交通研究学会副会长，并曾任香港运输物流学会会长及英国特许公路和运输学会（香港分会）会长，香港特区政府城市规划委员会副主席，并曾任交通咨询委员会成员、共建维港委员会成员和屯门公路交通事故独立专家小组成员，并于2015年获香港特区政府颁发的铜紫荆星章。黄教授获得香港大学学士和硕士学位，伦敦大学学院运输研究博士学位，是国际交通运输领域的知名学者，迄今为止，黄教授共发表国际著名SCI/SSCI期刊论文280篇，其论文被引用4000余次，H指数值为34，以及超过70余次的特邀报告，各项数据均在国际交通运输学界名列前茅。目前，黄教授担任国际著名期刊Transportmetrica A: Transport Science与International Journal of Sustainable Transportation总主编，以及多个国际学术期刊的编委，其中包括IEEE Transactions on Intelligent Transportation Systems, Transportation Research Part B, Accident Analysis and Prevention, Transport Reviews等。
Professor S.C. Wong is Chair Professor and Head of the Department of Civil Engineering, and was conferred the Francis Y S Bong Professorship in Engineering, at the University of Hong Kong. He received his BSc(Eng) and MPhil degrees from the University of Hong Kong and a PhD in Transport Studies from University College London. Professor Wong has published extensively in reputable international journals with high impact factors. He has published more than 280 papers in refereed journals, in addition to numerous conference papers and presentations, including 70 keynote and invited talks. His journal articles have attracted more than 4,000 citations, garnering him an h-index of 34 according to the ISI Web of Science. He is currently Editor-in-Chief of Transportmetrica A: Transport Science, and International Journal of Sustainable Transportation, and serves on the editorial boards of other sixteen journals, including IEEE Transactions on Intelligent Transportation Systems, Transportation Research Part B, Accident Analysis and Prevention, Transport Reviews, etc. Locally, Professor Wong is currently a Justice of the Peace, and Vice-Chairman of the Town Planning Board of the Hong Kong SAR Government. In 2015, Professor Wong was awarded the Bronze Bauhinia Star by the Hong Kong SAR Government.