Influence of climate variation on seasonal precipitation in the Colorado River Basin

Tae Woong Kim, Chulsang Yoo, Jae Hyun Ahn

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


This study analyzed the influence of large-scale climate pattern on precipitation in the Colorado River Basin. Large-scale climatic oscillations, like ENSO, PDO, NAO, and the global warming trend are associated with regional hydrologic variation. Ten types of climate indices were gathered and analyzed to investigate their influence on seasonal precipitation variation in the basin based on a linear correlation analysis and an influence index analysis. The influence index was developed in this study to measure the effect of climate variation on the seasonal precipitation in the basin. The statistical evidence achieved in this study confirms that the Colorado River Basin is subjected to the phase of climate variation. The strength of the seasonal response of precipitation to the climate variation varies in different localities in the basin. The methods of analysis used in this study were proposed in the hope that progress in understanding and modeling dynamic climatic systems can result in developing a valuable long-term forecasting model for water resources management.

Original languageEnglish
Pages (from-to)411-420
Number of pages10
JournalStochastic Environmental Research and Risk Assessment
Issue number3
Publication statusPublished - 2008 Apr

Bibliographical note

Funding Information:
This study was supported by the research fund of Hanyang University (HY-2005-N). The authors would like to thank anonymous reviewers for their helpful comments and suggestions that contribute to improve the manuscripts.

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Safety, Risk, Reliability and Quality
  • Water Science and Technology
  • General Environmental Science


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