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Sea-Level Rise Vulnerability Assessment of Bicycle and Trail Networks
| 题名： | Sea-Level Rise Vulnerability Assessment of Bicycle and Trail Networks |
| 正文语种： | 英文 |
| 作者： | Michelle R. Oswald Beiler, M.ASCE1; Greg Miller2 |
| 作者单位： | 1Associate Professor, Dept. of Civil and Environmental Engineering, Bucknell Univ., 1 Dent Dr., Lewisburg, PA 17837 (corresponding author). 2Undergraduate Research Assistant, Bucknell Univ., 1 Dent Dr., Lewisburg, PA 17837. |
| 关键词： | Climate change; Bicycles; Geographic information systems; Adaptive systems; Spatial analysis; Risk management |
| 摘要： | Transportation infrastructure continues to be at risk to climate change impacts including sea-level rise (SLR) inundation. Past studies have primarily focused on motorized facilities; however, nonmotorized systems also are vulnerable, especially in urban areas where bicycle mobility is essential to commuting and accessibility. This research investigates the SLR vulnerability of bicycle facilities using geographic information systems (GIS) and related economic impacts. GIS is used to map the facilities and inundation layers based on the National Oceanic and Atmospheric Administration’s (NOAA) SLR data. A vulnerability classification hierarchy is developed to showcase the level of impact for network links. A case study on Philadelphia, Pennsylvania, is provided as an example for how agencies can investigate bicycle facilities in their jurisdiction. Results show that at the 1.83 m (6 ft) inundation level, 57% of the offstreet trail mileage is part of a SLR affected link (at least one portion of the link is inundated) with 17% directly inundated, while 12% of the onstreet bike network mileage is considered a SLR affected link or a nonfunctional connector link. |
| 出版年： | 2019 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 145 |
| 期： | 2 |
| 页码： | 1-11 |
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