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Int. J. Environ. Res. Public Health 2012, 9(6), 2057-2074; doi:10.3390/ijerph9062057
Article

Scenario Simulation-Based Assessment of Trip Difficulty for Urban Residents under Rainstorm Waterlogging

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Received: 20 April 2012; in revised form: 21 May 2012 / Accepted: 23 May 2012 / Published: 31 May 2012
(This article belongs to the Special Issue Preparedness and Emergency Response)
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Abstract: In this study, an experiment was performed to assess the trip difficulty for urban residents of different age groups walking in various depths of water, and the data were corroborated with the real urban rainstorm waterlogging scenarios in downtown (Daoli district) Ha-Erbin (China). Mathematical models of urban rainstorm waterlogging were constructed using scenario simulation methods, aided by the GIS spatial analysis technology and hydrodynamic analysis of the waterway systems in the study area. Then these models were used to evaluate the impact of waterlogging on the safety of residents walking in the affected area. Results are summarized as: (1) for an urban rainstorm waterlogging scenario reoccurring once every 10 years, three grid regions would have waterlogging above 0.5 m moving at a velocity of 1.5 m/s. Under this scenario, waterlogging would accumulate on traffic roads only in small areas, affecting the safety and mobility of residents walking in the neighborhood; (2) for an urban rainstorm waterlogging scenario reoccurring once every 20 years, 13 grids experienced the same waterlogging situation affecting a larger area of the city; (3) for an urban rainstorm waterlogging scenario reoccurring once every 50 years, 86 grid regions were affected (waterlogging above 0.5 m moving at 1.5 m/s), and those areas would become impassable for residents.
Keywords: scenario simulation; urban rainstorm waterlogging; GIS; trip difficulty; Ha-Erbin City scenario simulation; urban rainstorm waterlogging; GIS; trip difficulty; Ha-Erbin City
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Chen, P.; Zhang, J.; Jiang, X.; Liu, X.; Bao, Y.; Sun, Y. Scenario Simulation-Based Assessment of Trip Difficulty for Urban Residents under Rainstorm Waterlogging. Int. J. Environ. Res. Public Health 2012, 9, 2057-2074.

AMA Style

Chen P, Zhang J, Jiang X, Liu X, Bao Y, Sun Y. Scenario Simulation-Based Assessment of Trip Difficulty for Urban Residents under Rainstorm Waterlogging. International Journal of Environmental Research and Public Health. 2012; 9(6):2057-2074.

Chicago/Turabian Style

Chen, Peng; Zhang, Jiquan; Jiang, Xinyu; Liu, Xingpeng; Bao, Yulong; Sun, Yingyue. 2012. "Scenario Simulation-Based Assessment of Trip Difficulty for Urban Residents under Rainstorm Waterlogging." Int. J. Environ. Res. Public Health 9, no. 6: 2057-2074.



Int. J. Environ. Res. Public Health EISSN 1660-4601 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert