A systematic analysis of the constraints to urban stream enhancements

Amanda J. Hess, Peggy Ann Johnson

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The environment surrounding urban streams imposes constraints upon stream enhancement projects. Constraints include bridges, culverts, highways, sewer and water lines, lack of easements, and other floodplain structures. The consequences of failure of these infrastructure constraints can be significant and should be considered in the design process. Fault tree analysis provides a systematic technique for analyzing the interactions of events that could lead to infrastructure failure. A case study of a stream in Pittsburgh, Pennsylvania, shows that fault tree analysis can effectively model the interactions between the stream system and the infrastructure constraints and predict the most likely modes of failure. In addition, the relative success of alternative designs and failure mitigation techniques can be assessed using this analysis tool, lending insight into the urban stream enhancement design process. The method could also provide justification in the design permitting process and input for risk assessment.

Original languageEnglish (US)
Pages (from-to)213-221
Number of pages9
JournalJournal of the American Water Resources Association
Volume37
Issue number1
DOIs
StatePublished - Jan 1 2001

Fingerprint

infrastructure
floodplain
shoreline
risk assessment
mitigation
analysis
road
method
easement
project

All Science Journal Classification (ASJC) codes

  • Ecology
  • Water Science and Technology
  • Earth-Surface Processes

Cite this

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A systematic analysis of the constraints to urban stream enhancements. / Hess, Amanda J.; Johnson, Peggy Ann.

In: Journal of the American Water Resources Association, Vol. 37, No. 1, 01.01.2001, p. 213-221.

Research output: Contribution to journalArticle

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