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http://dx.doi.org/10.5389/KSAE.2013.55.1.031

A Study on the Vulnerability Assessment for Agricultural Infrastructure using Principal Component Analysis  

Kim, Sung Jae ((주)그린텍아이엔시 시스템사업부 R&D팀)
Kim, Sung Min (경상대학교 대학원 농공학과)
Kim, Sang Min (경상대학교 지역환경기반공학과 (농업생명과학연구원))
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.55, no.1, 2013 , pp. 31-38 More about this Journal
Abstract
The purpose of this study was to evaluate climate change vulnerability over the agricultural infrastructure in terms of flood and drought using principal component analysis. Vulnerability was assessed using vulnerability resilience index (VRI) which combines climate exposure, sensitivity, and adaptive capacity. Ten flood proxy variables and six drought proxy variables for the vulnerability assessment were selected by opinions of researchers and experts. The statistical data on 16 proxy variables for the local governments (Si, Do) were collected. To identify major variables and to explain the trend in whole data set, principal component analysis (PCA) was conducted. The result of PCA showed that the first 3 principal components explained approximately 83 % and 89 % of the total variance for the flood and drought, respectively. VRI assessment for the local governments based on the PCA results indicated that provinces where having the relatively large cultivation areas were categorized as vulnerable to climate change.
Keywords
Climate change; vulnerability assessment; vulnerability resilience index; principal component analysis; agricultural infrastructure;
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Times Cited By KSCI : 2  (Citation Analysis)
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