Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/nhess-2018-41
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
01 Mar 2018
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Natural Hazards and Earth System Sciences (NHESS).
Mapping Accessibility for Earthquake Hazard Response in the Historic Urban Center of Bucharest
Cristina Merciu1, Ioan Ianoș1, George-Laurențiu Merciu2, Roy Jones3, and George Pomeroy4 1Interdisciplinary Center of Advanced Research on Territorial Dynamics, University of Bucharest, Blvd. Regina Elisabeta, 4–12, code 030018, Romania
2Faculty of Geography, University of Bucharest, Blvd. Nicolae Bălcescu, 1, code 030018, Romania
3Geography Discipline Group, Curtin University, Perth, Western Australia 6845, Australia
4Geography – Earth Science Department, Shippensburg University of Pennsylvania, 1871 Old Main Drive, Shippensburg PA 17257
Abstract. Planning for post-disaster accessibility is essential for the provision of emergency and other services to protect life and property in impacted areas. Such planning is particularly important in congested historic districts where narrow streets and at-risk structures are more common and may even prevail. Indeed, a standard method of measuring accessibility, through the use of isochrones, may be particularly inappropriate in these congested historic areas. Bucharest, Romania, is a city with a core of historic buildings and narrow streets. Furthermore, Bucharest ranks second only to Istanbul among large European cities in terms of its seismic risk. This paper provides an accessibility simulation for central Bucharest using mapping and GIS technologies. It hypothesizes that all buildings in the Risk 1 class would collapse in an earthquake of a similar magnitude to those of 1940 and 1977. The authors then simulate accessibility impacts in the historic center of Bucharest, such as the isolation of certain areas, and blockages of some street sections. In this simulation, accessibility will be substantially compromised by anticipated and extensive building collapse. Therefore, policy makers and planners need to fully understand and incorporate the serious implications of this compromised accessibility when planning emergency services and disaster recovery responses.
Citation: Merciu, C., Ianoș, I., Merciu, G.-L., Jones, R., and Pomeroy, G.: Mapping Accessibility for Earthquake Hazard Response in the Historic Urban Center of Bucharest, Nat. Hazards Earth Syst. Sci. Discuss., https://doi.org/10.5194/nhess-2018-41, in review, 2018.
Cristina Merciu et al.
Cristina Merciu et al.
Cristina Merciu et al.

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Short summary
Bucharest is subject to major seismic events and the next is overdue. This study uses GIS to evaluate accessibility levels of ambulances and firefighters in the city's historic core. It analyses the influence of urban morphology, building collapse risk, emergency service facility location and vehicle and pedestrian traffic intensity by street section to determine local accessibility, and thus the speed and potential effectiveness of disaster response in the event of the next powerful earthquake.
Bucharest is subject to major seismic events and the next is overdue. This study uses GIS to...
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