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Characterizing three-dimensional drought events and spatio-temporal migration patterns

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dc.contributor.authorYoo, Jiyoung-
dc.contributor.authorKim, Jang-Gyeong-
dc.contributor.authorYoo, Do-Guen-
dc.contributor.authorKim, Tae-Woong-
dc.date.accessioned2024-04-29T05:30:28Z-
dc.date.available2024-04-29T05:30:28Z-
dc.date.issued2019-12-
dc.identifier.issn2799-8746-
dc.identifier.urihttps://scholarworks.bwise.kr/erica/handle/2021.sw.erica/118884-
dc.description.abstractThere are various research works on the spatio-temporal drought analysis because spatio-temporal behaviors of drought are essential for understanding the development and migration patterns of drought events. This study quantified three-dimensional drought events using the 6-month Standard Precipitation Index (SPI6). A total of 45 drought events were found during the analysis period, and the migration patterns of drought event in South Korea were analyzed using the centers of drought events. In South Korea, more droughts were migrated frequently in the north/south direction than in the east/west direction. In addition, droughts moving eastward have decreased since 2000, while droughts moving northward have been found to be longer. The results of spatio-temporal drought analysis may be highly utilized for understanding drought development and migration patterns. © 2019 Korea Water Resources Association.-
dc.description.abstract가뭄의 발달과 이동패턴을 이해하기 위한 기초연구인 가뭄의 시공간적인 해석은 지금까지 다양하게 이루어지고 있다. 본 연구에서는 6개월 누가 강수량을 기반으로 산정하는 표준강수지수(SPI6)를 사용하여 가뭄사상을 3차원적 개념으로 정량화 했다. 분석기간 동안 총 45개 가뭄사상이 발견 되었으며, 가뭄사상별 중심을 이용하여 가뭄사상의 이동패턴을 분석하였다. 그 결과, 우리나라는 동/서 방향에 비해 남/북 방향으로 가뭄사상이 이 동하는 빈도가 높은 것으로 확인되었다. 또한, 2000년 이후 동쪽으로 이동하는 가뭄사상의 발생빈도가 감소한 반면, 북쪽으로 이동하는 가뭄사상 은 더욱 장기화 되는 것으로 확인되었다. 이러한 시공간적 가뭄사상의 특성 분석 결과는 가뭄의 발달과 이동패턴을 이해하는 데 활용도가 높을 것 으로 기대된다-
dc.format.extent7-
dc.language한국어-
dc.language.isoKOR-
dc.publisherKorea Water Resources Association-
dc.titleCharacterizing three-dimensional drought events and spatio-temporal migration patterns-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.doi10.3741/JKWRA.2019.52.12.1025-
dc.identifier.scopusid2-s2.0-85159137347-
dc.identifier.bibliographicCitationJournal of Korea Water Resources Association, v.52, no.12, pp 1025 - 1031-
dc.citation.titleJournal of Korea Water Resources Association-
dc.citation.volume52-
dc.citation.number12-
dc.citation.startPage1025-
dc.citation.endPage1031-
dc.type.docTypeArticle-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
dc.subject.keywordAuthorDrought centroid-
dc.subject.keywordAuthorDrought event-
dc.subject.keywordAuthorMigration pattern-
dc.subject.keywordAuthorSpi-
dc.subject.keywordAuthorThree-dimension-
dc.subject.keywordAuthor3차원-
dc.subject.keywordAuthor가뭄사상-
dc.subject.keywordAuthor가뭄중심-
dc.subject.keywordAuthor표준강수지수-
dc.subject.keywordAuthor이동패턴-
dc.identifier.urlhttps://jkwra.or.kr/articles/article/5ZwD/#Information-
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