Exploring Network Analysis for Urban Planning and Disaster Risk Reduction in Informal Settlements: Cases From Honduras, Jamaica, and Peru

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Exploring Network Analysis for Urban Planning and Disaster Risk Reduction in Informal Settlements: Cases From Honduras, Jamaica, and Peru

Sandoval, V; Sarmiento, JP; Mazariegos, EA; Oviedo, D; (2020) Exploring Network Analysis for Urban Planning and Disaster Risk Reduction in Informal Settlements: Cases From Honduras, Jamaica, and Peru. International Journal of Disaster Response and Emergency Management , 3 (1) pp. 30-45. 10.4018/ijdrem.2020010103. Green open access

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Abstract

The work explores the use of street network analysis on informal settlements and discusses the potential and limitations of this methodology to advance disaster risk reduction and urban resilience. The urban network analysis tool is used to conduct graph analysis measures on street networks in three informal settlements in the LAC region: Portmore, Jamaica; Tegucigalpa, Honduras; and Lima, Peru. Authors incorporate risk variables identified by these communities and combine them with prospective scenarios in which street networks are strategically intervened to improve performance. Authors also compute one graph index named Reach centrality. Results are presented spatially through thematic maps, and statistically by plotting cumulative distributions. Findings show that centrality measures of settlements' networks helped identify key nodes or roads that may be critical for people's daily life after disasters, and strategic to improve accessibility. The proposed methodology shows potential to inform decisions on urban planning and disaster risk reduction.

Type:	Article
Title:	Exploring Network Analysis for Urban Planning and Disaster Risk Reduction in Informal Settlements: Cases From Honduras, Jamaica, and Peru
Open access status:	An open access version is available from UCL Discovery
DOI:	10.4018/ijdrem.2020010103
Publisher version:	https://doi.org/10.4018/ijdrem.2020010103
Language:	English
Additional information:	This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords:	Cities, Disaster Risk Management, Disasters, Informality, Latin America and the Caribbean, Neighborhood Scale, Urban Development, Urban Informality, Urban Network Analysis
UCL classification:	UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Development Planning Unit
URI:	https://discovery.ucl.ac.uk/id/eprint/10104181