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

Tae Woong Kim; Juan B. Valdés; Javier Aparicio

doi:10.1080/02508060608691914

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

Tae Woong Kim, Juan B. Valdés, Javier Aparicio

Hydrology and Water Resources

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

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.

Original language	English (US)
Pages (from-to)	50-58
Number of pages	9
Journal	Water International
Volume	31
Issue number	1
DOIs	https://doi.org/10.1080/02508060608691914
State	Published - Mar 2006

Keywords

Bivariate frequency analysis
Conchos River Basin
Nonparametric approaches
Palmer Drought Index
Spatial drought characterization

ASJC Scopus subject areas

Water Science and Technology
Management, Monitoring, Policy and Law

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10.1080/02508060608691914

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title = "Spatial characterization of droughts in the Conchos River Basin based on bivariate frequency analysis",

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.",

keywords = "Bivariate frequency analysis, Conchos River Basin, Nonparametric approaches, Palmer Drought Index, Spatial drought characterization",

author = "Kim, {Tae Woong} and Vald{\'e}s, {Juan B.} and Javier Aparicio",

note = "Funding Information: This study is based upon works supported by SAHRA (Sustainability of semi-Arid Hydrology and Riparian Areas) at the University of Arizona under the STC Program of the National Science Foundation, Agreement No. EAR-9876800. We are grateful to Drs. Bart Nijssen and Donald Davis at the University of Arizona for valuable comments.",

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doi = "10.1080/02508060608691914",

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AU - Kim, Tae Woong

AU - Valdés, Juan B.

AU - Aparicio, Javier

N1 - Funding Information: This study is based upon works supported by SAHRA (Sustainability of semi-Arid Hydrology and Riparian Areas) at the University of Arizona under the STC Program of the National Science Foundation, Agreement No. EAR-9876800. We are grateful to Drs. Bart Nijssen and Donald Davis at the University of Arizona for valuable comments.

PY - 2006/3

Y1 - 2006/3

N2 - 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.

AB - 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.

KW - Bivariate frequency analysis

KW - Conchos River Basin

KW - Nonparametric approaches

KW - Palmer Drought Index

KW - Spatial drought characterization

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

Abstract

Keywords

ASJC Scopus subject areas

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