Paleohydrologic reconstruction of flood frequency on the Escalante River, south-central Utah

R. H. Webb, J. E. O'Connor, Victor Baker

Research output: Chapter in Book/Report/Conference proceedingChapter

43 Citations (Scopus)

Abstract

Typical of many streams in the arid or semi-arid western United States, Escalante River floods have heretofore been documented by a fragmentary, short-term systematic record. Here in contrast, historical data, tree ring data, and SWD-PSI data is given for as many as 20 paleofloods. Hydraulic flow modeling procedures are used to calculate paleoflood discharges. Of particular interest are the silt lines that are interpreted as precise paleostage indicators for ancient floods. Channel stability for bedrock reaches of the Escalante River is demonstrated with historic photographs. Of considerable importance for the Escalante River is the apparent clustering of flood events. Large floods occurred approximately 1000 years ago, about 500 years ago, and in historic times. The largest flows in the last 2000 years were comparable to the largest floods observed on similar-sized drainage basins in the region. -from Editors

Original languageEnglish (US)
Title of host publicationFlood geomorphology
EditorsV.R. Baker
PublisherWiley-Interscience
Pages403-418
Number of pages16
StatePublished - 1988
Externally publishedYes

Fingerprint

flood frequency
paleoflood
river
flow modeling
tree ring
drainage basin
photograph
bedrock
silt
hydraulics

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Webb, R. H., O'Connor, J. E., & Baker, V. (1988). Paleohydrologic reconstruction of flood frequency on the Escalante River, south-central Utah. In V. R. Baker (Ed.), Flood geomorphology (pp. 403-418). Wiley-Interscience.

Paleohydrologic reconstruction of flood frequency on the Escalante River, south-central Utah. / Webb, R. H.; O'Connor, J. E.; Baker, Victor.

Flood geomorphology. ed. / V.R. Baker. Wiley-Interscience, 1988. p. 403-418.

Research output: Chapter in Book/Report/Conference proceedingChapter

Webb, RH, O'Connor, JE & Baker, V 1988, Paleohydrologic reconstruction of flood frequency on the Escalante River, south-central Utah. in VR Baker (ed.), Flood geomorphology. Wiley-Interscience, pp. 403-418.
Webb RH, O'Connor JE, Baker V. Paleohydrologic reconstruction of flood frequency on the Escalante River, south-central Utah. In Baker VR, editor, Flood geomorphology. Wiley-Interscience. 1988. p. 403-418
Webb, R. H. ; O'Connor, J. E. ; Baker, Victor. / Paleohydrologic reconstruction of flood frequency on the Escalante River, south-central Utah. Flood geomorphology. editor / V.R. Baker. Wiley-Interscience, 1988. pp. 403-418
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