Paleohydraulic interpretation of Quaternary alluvium near Golden, Colorado

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

Quaternary terraces and pediments along Ralston Creek and Clear Creek, near Golden, Colorado, are associated with Verdos, Slocum, Louviers, and Broadway Alluviums. Terrace deposits can be locally correlated on the basis of elevation and relict paleosols. The terrace sediments probably represent aggradation by braided streams flowing from glaciated drainage basins. Engineering hydraulic calculation procedures suggest that flood flows were 2-3 m deep on steep gradients (0.008-0.01). Discharges were as great as 1400 m3/sec, nearly an order of magnitude greater than modern flood discharges. The most useful paleohydraulic calculation techniques were found to be the dimensionless shear approach applied to stream competence and bedload function theory applied to stream capacity.

Original languageEnglish (US)
Pages (from-to)94-112
Number of pages19
JournalQuaternary Research
Volume4
Issue number1
DOIs
StatePublished - Mar 1974
Externally publishedYes

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Earth-Surface Processes
  • Earth and Planetary Sciences(all)

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