NDLI: An analysis of methods for identifying social vulnerability to climate change and sea level rise: a case study of Hampton Roads, Virginia

Content Provider	Springer Nature Link
Author	Stafford, Sarah Abramowitz, Jeremy
Copyright Year	2016
Abstract	This paper examines methods for quantitatively identifying communities that have high social vulnerability to environmental hazards. We first provide an overview of the existing literature on quantifying social vulnerability. We discuss the strengths and weaknesses of the one of the most common methods, composite indexing using principal component analysis (PCA), in more detail. We present a case study of Hampton Roads, Virginia, that compares PCA-based composite indexing to an alternative method using k-means clustering to identify socially vulnerable communities. We find that PCA-based indexing is particularly sensitive to changes in geographic boundaries and the number of input variables while clustering is less so. However, both methods exhibit the highest levels of consistency when vulnerability is measured by a relatively small number of well-established quantitative indicators. While the cluster method is more intuitive and easier to interpret than composite indexing, it is not well suited for large analyses across a disparate geographic area or where one needs to explicitly rank observations.
Starting Page	1089
Ending Page	1117
Page Count	29
File Format	PDF
ISSN	0921030X
Journal	Natural Hazards
Volume Number	85
Issue Number	2
e-ISSN	15730840
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-10-14
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Resilience Sea level rise Principal component analysis Cluster analysis Natural Hazards Hydrogeology Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Civil Engineering Environmental Management
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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