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계층화분석 및 엔트로피 가중치 산정 방법에 따른 농업가뭄재해 취약성 평가

Evaluation of Agricultural Drought Disaster Vulnerability Using Analytic Hierarchy Process (AHP) and Entropy Weighting Method

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한국농공학회 (The Korean Society Of Agricultural Engineers)|2021.05|한국농공학회논문집 (Journal of the Korean Society of Agricultural Engineers)|제63권 제3호|pp. 13-26|DOI https://doi.org/10.5389/KSAE.2021.63.3.013

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참고문헌

키워드

AHPvulnerabilityentropyweightAgricultural drought
주제분류농학

초록

Recent drought events in the South Korea and the magnitude of drought losses indicate the continuing vulnerability of the agricultural drought. Variousstudies have been performed on drought hazard assessment at the regional scales, but until recently, drought management has been response orientedwith little attention to mitigation and preparedness. A vulnerability assessment is introduced in order to preemptively respond to agricultural droughtand to predict the occurrence of drought. This paper presents a method for spatial, Geographic Information Systems-based assessment of agriculturaldrought vulnerability in South Korea. It was hypothesized that the key 14 items that define agricultural drought vulnerability were meteorological,agricultural reservoir, social, and adaptability factors. Also, this study is to analyze agricultural drought vulnerability by comparing vulnerabilityassessment according to weighting method. The weight of the evaluation elements is expressed through the Analytic Hierarchy Process (AHP), whichincludes subjective elements such as surveys, and the Entropy method using attribute information of the evaluation items. The agricultural droughtvulnerability map was created through development of a numerical weighting scheme to evaluate the drought potential of the classes within each factor. This vulnerability assessment is calculated the vulnerability index based on the weight, and analyze the vulnerable map from 2015 to 2019. Theidentification of agricultural drought vulnerability is an essential step in addressing the issue of drought vulnerability in the South Korea and can leadto mitigation-oriented drought management and supports government policymaking.

Abstract

Recent drought events in the South Korea and the magnitude of drought losses indicate the continuing vulnerability of the agricultural drought. Variousstudies have been performed on drought hazard assessment at the regional scales, but until recently, drought management has been response orientedwith little attention to mitigation and preparedness. A vulnerability assessment is introduced in order to preemptively respond to agricultural droughtand to predict the occurrence of drought. This paper presents a method for spatial, Geographic Information Systems-based assessment of agriculturaldrought vulnerability in South Korea. It was hypothesized that the key 14 items that define agricultural drought vulnerability were meteorological,agricultural reservoir, social, and adaptability factors. Also, this study is to analyze agricultural drought vulnerability by comparing vulnerabilityassessment according to weighting method. The weight of the evaluation elements is expressed through the Analytic Hierarchy Process (AHP), whichincludes subjective elements such as surveys, and the Entropy method using attribute information of the evaluation items. The agricultural droughtvulnerability map was created through development of a numerical weighting scheme to evaluate the drought potential of the classes within each factor. This vulnerability assessment is calculated the vulnerability index based on the weight, and analyze the vulnerable map from 2015 to 2019. Theidentification of agricultural drought vulnerability is an essential step in addressing the issue of drought vulnerability in the South Korea and can leadto mitigation-oriented drought management and supports government policymaking.

참고문헌 (34)

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