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Spatial characterization of droughts in the Conchos River Basin based on bivariate frequency analysis

Title
Spatial characterization of droughts in the Conchos River Basin based on bivariate frequency analysis
Author
김태웅
Keywords
spatial drought characterization; Conchos River Basin; bivariate frequency analysis; Palmer Drought Index; nonparametric approaches
Issue Date
2006-03
Publisher
INT WATER RESOURCES ASSOC
Citation
WATER INTERNATIONAL, v. 31, No. 1, Page. 50-58
Abstract
The spatial characterization of droughts in the Conchos River Basin, which includes the regional drought recurrence and areal coverage, was performed to provide information for integrated water resources management in the basin. The application presented in this study was based on the semi-nonparametric model and the nonparametric bivariate frequency analysis developed for characterizing droughts in a basin. The drought characterization curves constructed in this study describe the spatial and recurrent pattern of droughts in the basin with respect to drought severities and return periods. Based on the synthetic Palmer Drought Severity Index, historical droughts were evaluated The results show that the 1990s drought has affected large areas with longer durations and greater severities than the 1960s drought.
URI
https://www.tandfonline.com/doi/abs/10.1080/02508060608691914https://repository.hanyang.ac.kr/handle/20.500.11754/107816
ISSN
0250-8060
DOI
10.1080/02508060608691914
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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