A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona

Jim E. O'Connor, Lisa L. Ely, Ellen E. Wohl, Lawrence E. Stevens, Theodore S. Melis, Vishwas S. Kale, Victor Baker

Research output: Contribution to journalArticle

100 Citations (Scopus)

Abstract

A sequence of flood deposits suggests at least 15 floods with peak discharges greater than 5500 m3sec-1 over the last 4500 yr. Ten floods during the last 2000-2300 yr had discharges greater than 6800 m3sec-1. One flood, 1600-1200 yr ago, had a discharge exceeding 14 000 m3sec-1, a flow rate more than twice the largest gaged flood. This record of flooding is one of the longest for a major US river and, combined with the gaged record of twentieth century floods, allows determination of the frequency and history of large floods that have affected key aspects of Colorado River geomorphology. -from Authors

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalJournal of Geology
Volume102
Issue number1
StatePublished - 1994

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canyon
river
flood deposit
peak discharge
twentieth century
geomorphology
flooding
history

ASJC Scopus subject areas

  • Geology

Cite this

O'Connor, J. E., Ely, L. L., Wohl, E. E., Stevens, L. E., Melis, T. S., Kale, V. S., & Baker, V. (1994). A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona. Journal of Geology, 102(1), 1-9.

A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona. / O'Connor, Jim E.; Ely, Lisa L.; Wohl, Ellen E.; Stevens, Lawrence E.; Melis, Theodore S.; Kale, Vishwas S.; Baker, Victor.

In: Journal of Geology, Vol. 102, No. 1, 1994, p. 1-9.

Research output: Contribution to journalArticle

O'Connor, JE, Ely, LL, Wohl, EE, Stevens, LE, Melis, TS, Kale, VS & Baker, V 1994, 'A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona', Journal of Geology, vol. 102, no. 1, pp. 1-9.
O'Connor JE, Ely LL, Wohl EE, Stevens LE, Melis TS, Kale VS et al. A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona. Journal of Geology. 1994;102(1):1-9.
O'Connor, Jim E. ; Ely, Lisa L. ; Wohl, Ellen E. ; Stevens, Lawrence E. ; Melis, Theodore S. ; Kale, Vishwas S. ; Baker, Victor. / A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona. In: Journal of Geology. 1994 ; Vol. 102, No. 1. pp. 1-9.
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