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

Tae Woong Kim, Juan B Valdes, Javier Aparicio

Research output: Contribution to journalArticle

6 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)50-58
Number of pages9
JournalWater International
Volume31
Issue number1
DOIs
StatePublished - Mar 2006

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Drought
frequency analysis
Catchments
river basin
Rivers
drought
basin
return period
Water resources

Keywords

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

ASJC Scopus subject areas

  • Water Science and Technology
  • Civil and Structural Engineering

Cite this

Spatial characterization of droughts in the Conchos River Basin based on bivariate frequency analysis. / Kim, Tae Woong; Valdes, Juan B; Aparicio, Javier.

In: Water International, Vol. 31, No. 1, 03.2006, p. 50-58.

Research output: Contribution to journalArticle

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